Merge stuefe-new-metaspace-branch
authorstuefe
Wed, 16 Oct 2019 15:31:05 +0200
branchstuefe-new-metaspace-branch
changeset 58645 28c7e6711871
parent 58494 54c1ba464b78 (current diff)
parent 58644 64597a6fd186 (diff)
child 58646 bcdba1c9f1fe
Merge
src/hotspot/share/gc/g1/g1CollectedHeap.cpp
src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
src/hotspot/share/memory/metaspace/virtualSpaceNode.hpp
src/hotspot/share/runtime/compilationPolicy.cpp
src/hotspot/share/runtime/compilationPolicy.hpp
src/hotspot/share/runtime/globals.hpp
src/hotspot/share/runtime/tieredThresholdPolicy.cpp
src/hotspot/share/runtime/tieredThresholdPolicy.hpp
src/java.base/share/native/libjava/verify_stub.c
src/java.base/share/native/libverify/check_format.c
src/java.base/unix/native/libjava/jdk_util_md.c
src/java.desktop/unix/native/common/awt/awt_Font.h
src/jdk.internal.vm.compiler.management/share/classes/org.graalvm.compiler.hotspot.management/src/org/graalvm/compiler/hotspot/management/JMXServiceProvider.java
src/jdk.internal.vm.compiler.management/share/classes/org.graalvm.compiler.hotspot.management/src/org/graalvm/compiler/hotspot/management/package-info.java
test/hotspot/jtreg/compiler/graalunit/EA9Test.java
test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/JLModule.java
test/hotspot/jtreg/vmTestbase/jit/graph/CGTThread.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt0/cgt0.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt1/cgt1.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt10/cgt10.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt11/cgt11.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt2/cgt2.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt3/cgt3.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt4/cgt4.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt5/cgt5.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt6/cgt6.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt7/cgt7.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt8/cgt8.java
test/hotspot/jtreg/vmTestbase/jit/graph/cgt9/cgt9.java
--- a/.hgtags	Mon Oct 07 16:48:42 2019 +0200
+++ b/.hgtags	Wed Oct 16 15:31:05 2019 +0200
@@ -590,3 +590,4 @@
 778fc2dcbdaa8981e07e929a2cacef979c72261e jdk-14+15
 d29f0181ba424a95d881aba5eabf2e393abcc70f jdk-14+16
 5c83830390baafb76a1fbe33443c57620bd45fb9 jdk-14+17
+e84d8379815ba0d3e50fb096d28c25894cb50b8c jdk-14+18
--- a/doc/building.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/doc/building.html	Wed Oct 16 15:31:05 2019 +0200
@@ -281,7 +281,7 @@
 <tbody>
 <tr class="odd">
 <td style="text-align: left;">Linux</td>
-<td style="text-align: left;">gcc 8.2.0</td>
+<td style="text-align: left;">gcc 8.3.0</td>
 </tr>
 <tr class="even">
 <td style="text-align: left;">macOS</td>
@@ -293,14 +293,14 @@
 </tr>
 <tr class="even">
 <td style="text-align: left;">Windows</td>
-<td style="text-align: left;">Microsoft Visual Studio 2017 update 15.9.6</td>
+<td style="text-align: left;">Microsoft Visual Studio 2017 update 15.9.16</td>
 </tr>
 </tbody>
 </table>
 <p>All compilers are expected to be able to compile to the C99 language standard, as some C99 features are used in the source code. Microsoft Visual Studio doesn't fully support C99 so in practice shared code is limited to using C99 features that it does support.</p>
 <h3 id="gcc">gcc</h3>
 <p>The minimum accepted version of gcc is 4.8. Older versions will generate a warning by <code>configure</code> and are unlikely to work.</p>
-<p>The JDK is currently known to be able to compile with at least version 7.4 of gcc.</p>
+<p>The JDK is currently known to be able to compile with at least version 8.3 of gcc.</p>
 <p>In general, any version between these two should be usable.</p>
 <h3 id="clang">clang</h3>
 <p>The minimum accepted version of clang is 3.2. Older versions will not be accepted by <code>configure</code>.</p>
--- a/doc/building.md	Mon Oct 07 16:48:42 2019 +0200
+++ b/doc/building.md	Wed Oct 16 15:31:05 2019 +0200
@@ -323,10 +323,10 @@
 
  Operating system   Toolchain version
  ------------------ -------------------------------------------------------
- Linux              gcc 8.2.0
+ Linux              gcc 8.3.0
  macOS              Apple Xcode 10.1 (using clang 10.0.0)
  Solaris            Oracle Solaris Studio 12.6 (with compiler version 5.15)
- Windows            Microsoft Visual Studio 2017 update 15.9.6
+ Windows            Microsoft Visual Studio 2017 update 15.9.16
 
 All compilers are expected to be able to compile to the C99 language standard,
 as some C99 features are used in the source code. Microsoft Visual Studio
@@ -338,7 +338,7 @@
 The minimum accepted version of gcc is 4.8. Older versions will generate a warning
 by `configure` and are unlikely to work.
 
-The JDK is currently known to be able to compile with at least version 7.4 of
+The JDK is currently known to be able to compile with at least version 8.3 of
 gcc.
 
 In general, any version between these two should be usable.
--- a/make/CreateJmods.gmk	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/CreateJmods.gmk	Wed Oct 16 15:31:05 2019 +0200
@@ -86,16 +86,18 @@
 # from there. These files were explicitly filtered or modified in <module>-copy
 # targets. For the rest, just pick up everything from the source legal dirs.
 LEGAL_NOTICES := \
-    $(SUPPORT_OUTPUTDIR)/modules_legal/common \
+    $(wildcard $(SUPPORT_OUTPUTDIR)/modules_legal/common) \
     $(if $(wildcard $(SUPPORT_OUTPUTDIR)/modules_legal/$(MODULE)), \
       $(wildcard $(SUPPORT_OUTPUTDIR)/modules_legal/$(MODULE)), \
       $(call FindModuleLegalSrcDirs, $(MODULE)) \
     )
 
-LEGAL_NOTICES_PATH := $(call PathList, $(LEGAL_NOTICES))
-DEPS += $(call FindFiles, $(LEGAL_NOTICES))
+ifneq ($(strip $(LEGAL_NOTICES)), )
+  LEGAL_NOTICES_PATH := $(call PathList, $(LEGAL_NOTICES))
+  DEPS += $(call FindFiles, $(LEGAL_NOTICES))
 
-JMOD_FLAGS += --legal-notices $(LEGAL_NOTICES_PATH)
+  JMOD_FLAGS += --legal-notices $(LEGAL_NOTICES_PATH)
+endif
 
 ifeq ($(filter-out jdk.incubator.%, $(MODULE)), )
   JMOD_FLAGS += --do-not-resolve-by-default
--- a/make/RunTestsPrebuilt.gmk	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/RunTestsPrebuilt.gmk	Wed Oct 16 15:31:05 2019 +0200
@@ -230,7 +230,7 @@
   NUM_CORES := $(shell /usr/sbin/sysctl -n hw.ncpu)
   MEMORY_SIZE := $(shell $(EXPR) `/usr/sbin/sysctl -n hw.memsize` / 1024 / 1024)
 else ifeq ($(OPENJDK_TARGET_OS), solaris)
-  NUM_CORES := $(shell LC_MESSAGES=C /usr/sbin/psrinfo -v | $(GREP) -c on-line)
+  NUM_CORES := $(shell /usr/sbin/psrinfo -v | $(GREP) -c on-line)
   MEMORY_SIZE := $(shell \
       /usr/sbin/prtconf 2> /dev/null | $(GREP) "^Memory [Ss]ize" | $(AWK) '{print $$3}' \
   )
--- a/make/RunTestsPrebuiltSpec.gmk	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/RunTestsPrebuiltSpec.gmk	Wed Oct 16 15:31:05 2019 +0200
@@ -27,6 +27,9 @@
 # Fake minimalistic spec file for RunTestsPrebuilt.gmk.
 ################################################################################
 
+# Make sure all shell commands are executed with the C locale
+export LC_ALL := C
+
 define VerifyVariable
   ifeq ($$($1), )
     $$(info Error: Variable $1 is missing, needed by RunTestPrebuiltSpec.gmk)
--- a/make/autoconf/basics.m4	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/autoconf/basics.m4	Wed Oct 16 15:31:05 2019 +0200
@@ -427,7 +427,7 @@
   # Save the path variable before it gets changed
   ORIGINAL_PATH="$PATH"
   AC_SUBST(ORIGINAL_PATH)
-  DATE_WHEN_CONFIGURED=`LANG=C date`
+  DATE_WHEN_CONFIGURED=`date`
   AC_SUBST(DATE_WHEN_CONFIGURED)
   AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.])
 ])
--- a/make/autoconf/build-performance.m4	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/autoconf/build-performance.m4	Wed Oct 16 15:31:05 2019 +0200
@@ -35,7 +35,7 @@
     FOUND_CORES=yes
   elif test -x /usr/sbin/psrinfo; then
     # Looks like a Solaris system
-    NUM_CORES=`LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line`
+    NUM_CORES=`/usr/sbin/psrinfo -v | grep -c on-line`
     FOUND_CORES=yes
   elif test -x /usr/sbin/sysctl; then
     # Looks like a MacOSX system
--- a/make/autoconf/configure	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/autoconf/configure	Wed Oct 16 15:31:05 2019 +0200
@@ -43,6 +43,9 @@
 export CONFIG_SHELL=$BASH
 export _as_can_reexec=no
 
+# Make sure all shell commands are executed with the C locale
+export LC_ALL=C
+
 if test "x$CUSTOM_CONFIG_DIR" != x; then
   custom_hook=$CUSTOM_CONFIG_DIR/custom-hook.m4
   if test ! -e $custom_hook; then
--- a/make/autoconf/spec.gmk.in	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/autoconf/spec.gmk.in	Wed Oct 16 15:31:05 2019 +0200
@@ -51,6 +51,9 @@
 # What make to use for main processing, after bootstrapping top-level Makefile.
 MAKE := @MAKE@
 
+# Make sure all shell commands are executed with the C locale
+export LC_ALL := C
+
 # The default make arguments
 MAKE_ARGS = $(MAKE_LOG_FLAGS) -r -R -I $(TOPDIR)/make/common SPEC=$(SPEC) \
     MAKE_LOG_FLAGS="$(MAKE_LOG_FLAGS)" $(MAKE_LOG_VARS)
--- a/make/autoconf/toolchain_windows.m4	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/autoconf/toolchain_windows.m4	Wed Oct 16 15:31:05 2019 +0200
@@ -209,6 +209,8 @@
   eval SDK_INSTALL_DIR="\${VS_SDK_INSTALLDIR_${VS_VERSION}}"
   eval VS_ENV_ARGS="\${VS_ENV_ARGS_${VS_VERSION}}"
   eval VS_TOOLSET_SUPPORTED="\${VS_TOOLSET_SUPPORTED_${VS_VERSION}}"
+    
+  VS_ENV_CMD="" 
 
   # When using --with-tools-dir, assume it points to the correct and default
   # version of Visual Studio or that --with-toolchain-version was also set.
@@ -227,8 +229,6 @@
     fi
   fi
 
-  VS_ENV_CMD=""
-
   if test "x$VS_COMNTOOLS" != x; then
     TOOLCHAIN_CHECK_POSSIBLE_VISUAL_STUDIO_ROOT([${VS_VERSION}],
         [$VS_COMNTOOLS/../..], [$VS_COMNTOOLS_VAR variable])
--- a/make/common/JavaCompilation.gmk	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/common/JavaCompilation.gmk	Wed Oct 16 15:31:05 2019 +0200
@@ -122,7 +122,7 @@
     $$($1_BIN)$$($1_MODULE_SUBDIR)$$($2_TARGET) : $2
 	$$(call LogInfo, Cleaning $$(patsubst $(OUTPUTDIR)/%,%, $$@))
 	$$(call MakeTargetDir)
-	export LC_ALL=C ; ( $(CAT) $$< && $(ECHO) "" ) \
+	( $(CAT) $$< && $(ECHO) "" ) \
 	    | $(SED) -e 's/\([^\\]\):/\1\\:/g' -e 's/\([^\\]\)=/\1\\=/g' \
 	        -e 's/\([^\\]\)!/\1\\!/g' -e 's/^[ 	]*#.*/#/g' \
 	    | $(SED) -f "$(TOPDIR)/make/common/support/unicode2x.sed" \
--- a/make/conf/jib-profiles.js	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/conf/jib-profiles.js	Wed Oct 16 15:31:05 2019 +0200
@@ -944,11 +944,11 @@
 var getJibProfilesDependencies = function (input, common) {
 
     var devkit_platform_revisions = {
-        linux_x64: "gcc8.2.0-OL6.4+1.0",
+        linux_x64: "gcc8.3.0-OL6.4+1.0",
         macosx_x64: "Xcode10.1-MacOSX10.14+1.0",
         solaris_x64: "SS12u4-Solaris11u1+1.0",
         solaris_sparcv9: "SS12u6-Solaris11u3+1.0",
-        windows_x64: "VS2017-15.9.6+1.0",
+        windows_x64: "VS2017-15.9.16+1.0",
         linux_aarch64: "gcc8.2.0-Fedora27+1.0",
         linux_arm: "gcc8.2.0-Fedora27+1.0",
         linux_ppc64le: "gcc8.2.0-Fedora27+1.0",
--- a/make/data/charsetmapping/SingleByte-X.java.template	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/data/charsetmapping/SingleByte-X.java.template	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -48,7 +48,7 @@
     }
 
     public CharsetDecoder newDecoder() {
-        return new SingleByte.Decoder(this, b2c, $ASCIICOMPATIBLE$);
+        return new SingleByte.Decoder(this, b2c, $ASCIICOMPATIBLE$, $LATIN1DECODABLE$);
     }
 
     public CharsetEncoder newEncoder() {
--- a/make/data/lsrdata/language-subtag-registry.txt	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/data/lsrdata/language-subtag-registry.txt	Wed Oct 16 15:31:05 2019 +0200
@@ -1,4 +1,4 @@
-File-Date: 2019-04-03
+File-Date: 2019-09-16
 %%
 Type: language
 Subtag: aa
@@ -2096,6 +2096,8 @@
 Subtag: ais
 Description: Nataoran Amis
 Added: 2009-07-29
+Deprecated: 2019-04-16
+Comments: see ami, szy
 %%
 Type: language
 Subtag: ait
@@ -2633,6 +2635,7 @@
 Type: language
 Subtag: ant
 Description: Antakarinya
+Description: Antikarinya
 Added: 2009-07-29
 %%
 Type: language
@@ -3094,6 +3097,8 @@
 Subtag: asd
 Description: Asas
 Added: 2009-07-29
+Deprecated: 2019-04-16
+Preferred-Value: snz
 %%
 Type: language
 Subtag: ase
@@ -4135,7 +4140,7 @@
 %%
 Type: language
 Subtag: bck
-Description: Bunaba
+Description: Bunuba
 Added: 2009-07-29
 %%
 Type: language
@@ -6930,7 +6935,7 @@
 %%
 Type: language
 Subtag: bym
-Description: Bidyara
+Description: Bidjara
 Added: 2009-07-29
 %%
 Type: language
@@ -7564,6 +7569,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: cey
+Description: Ekai Chin
+Added: 2019-04-16
+%%
+Type: language
 Subtag: cfa
 Description: Dijim-Bwilim
 Added: 2009-07-29
@@ -9439,6 +9449,7 @@
 Type: language
 Subtag: dif
 Description: Dieri
+Description: Diyari
 Added: 2009-07-29
 %%
 Type: language
@@ -9515,6 +9526,8 @@
 Subtag: dit
 Description: Dirari
 Added: 2009-07-29
+Deprecated: 2019-04-29
+Preferred-Value: dif
 %%
 Type: language
 Subtag: diu
@@ -9560,6 +9573,7 @@
 Type: language
 Subtag: djd
 Description: Djamindjung
+Description: Ngaliwurru
 Added: 2009-07-29
 %%
 Type: language
@@ -9603,6 +9617,7 @@
 %%
 Type: language
 Subtag: djn
+Description: Jawoyn
 Description: Djauan
 Added: 2009-07-29
 %%
@@ -10191,6 +10206,8 @@
 Subtag: dud
 Description: Hun-Saare
 Added: 2009-07-29
+Deprecated: 2019-04-16
+Comments: see uth, uss
 %%
 Type: language
 Subtag: due
@@ -10382,6 +10399,7 @@
 Type: language
 Subtag: dyn
 Description: Dyangadi
+Description: Dhanggatti
 Added: 2009-07-29
 %%
 Type: language
@@ -10396,6 +10414,7 @@
 %%
 Type: language
 Subtag: dyy
+Description: Djabugay
 Description: Dyaabugay
 Added: 2009-07-29
 %%
@@ -11672,7 +11691,7 @@
 %%
 Type: language
 Subtag: gbd
-Description: Karadjeri
+Description: Karajarri
 Added: 2009-07-29
 %%
 Type: language
@@ -12056,7 +12075,7 @@
 %%
 Type: language
 Subtag: gge
-Description: Guragone
+Description: Gurr-goni
 Added: 2009-07-29
 %%
 Type: language
@@ -12169,7 +12188,7 @@
 %%
 Type: language
 Subtag: gia
-Description: Kitja
+Description: Kija
 Added: 2009-07-29
 %%
 Type: language
@@ -12955,7 +12974,7 @@
 %%
 Type: language
 Subtag: gue
-Description: Gurinji
+Description: Gurindji
 Added: 2009-07-29
 %%
 Type: language
@@ -15292,6 +15311,7 @@
 Type: language
 Subtag: jay
 Description: Yan-nhangu
+Description: Nhangu
 Added: 2009-07-29
 %%
 Type: language
@@ -15488,6 +15508,7 @@
 %%
 Type: language
 Subtag: jig
+Description: Jingulu
 Description: Djingili
 Added: 2009-07-29
 %%
@@ -17222,6 +17243,7 @@
 Type: language
 Subtag: kkp
 Description: Gugubera
+Description: Koko-Bera
 Added: 2009-07-29
 %%
 Type: language
@@ -17266,6 +17288,7 @@
 %%
 Type: language
 Subtag: kky
+Description: Guugu Yimidhirr
 Description: Guguyimidjir
 Added: 2009-07-29
 %%
@@ -18320,6 +18343,7 @@
 Type: language
 Subtag: ktd
 Description: Kokata
+Description: Kukatha
 Added: 2009-07-29
 %%
 Type: language
@@ -19341,6 +19365,7 @@
 Subtag: lba
 Description: Lui
 Added: 2009-07-29
+Deprecated: 2019-04-16
 %%
 Type: language
 Subtag: lbb
@@ -19396,7 +19421,7 @@
 %%
 Type: language
 Subtag: lbn
-Description: Lamet
+Description: Rmeet
 Added: 2009-07-29
 %%
 Type: language
@@ -19446,6 +19471,7 @@
 %%
 Type: language
 Subtag: lby
+Description: Lamalama
 Description: Lamu-Lamu
 Added: 2009-07-29
 %%
@@ -20162,6 +20188,8 @@
 Subtag: llo
 Description: Khlor
 Added: 2009-07-29
+Deprecated: 2019-04-16
+Preferred-Value: ngt
 %%
 Type: language
 Subtag: llp
@@ -20654,6 +20682,11 @@
 Macrolanguage: luy
 %%
 Type: language
+Subtag: lsn
+Description: Tibetan Sign Language
+Added: 2019-04-16
+%%
+Type: language
 Subtag: lso
 Description: Laos Sign Language
 Added: 2009-07-29
@@ -20680,6 +20713,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: lsv
+Description: Sivia Sign Language
+Added: 2019-04-16
+%%
+Type: language
 Subtag: lsy
 Description: Mauritian Sign Language
 Added: 2010-03-11
@@ -20848,6 +20886,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: lvi
+Description: Lavi
+Added: 2019-04-16
+%%
+Type: language
 Subtag: lvk
 Description: Lavukaleve
 Added: 2009-07-29
@@ -21454,7 +21497,7 @@
 %%
 Type: language
 Subtag: mec
-Description: Mara
+Description: Marra
 Added: 2009-07-29
 %%
 Type: language
@@ -21523,7 +21566,7 @@
 %%
 Type: language
 Subtag: mep
-Description: Miriwung
+Description: Miriwoong
 Added: 2009-07-29
 %%
 Type: language
@@ -21660,7 +21703,7 @@
 %%
 Type: language
 Subtag: mfr
-Description: Marithiel
+Description: Marrithiyel
 Added: 2009-07-29
 %%
 Type: language
@@ -22853,12 +22896,13 @@
 %%
 Type: language
 Subtag: mpb
+Description: Malak Malak
 Description: Mullukmulluk
 Added: 2009-07-29
 %%
 Type: language
 Subtag: mpc
-Description: Mangarayi
+Description: Mangarrayi
 Added: 2009-07-29
 %%
 Type: language
@@ -22889,6 +22933,7 @@
 Type: language
 Subtag: mpj
 Description: Martu Wangka
+Description: Wangkajunga
 Added: 2009-07-29
 %%
 Type: language
@@ -24015,6 +24060,8 @@
 Subtag: myd
 Description: Maramba
 Added: 2009-07-29
+Deprecated: 2019-04-16
+Preferred-Value: aog
 %%
 Type: language
 Subtag: mye
@@ -24040,6 +24087,7 @@
 Subtag: myi
 Description: Mina (India)
 Added: 2009-07-29
+Deprecated: 2019-04-16
 %%
 Type: language
 Subtag: myj
@@ -24375,7 +24423,7 @@
 %%
 Type: language
 Subtag: nay
-Description: Narrinyeri
+Description: Ngarrindjeri
 Added: 2009-07-29
 %%
 Type: language
@@ -24432,7 +24480,7 @@
 %%
 Type: language
 Subtag: nbj
-Description: Ngarinman
+Description: Ngarinyman
 Added: 2009-07-29
 %%
 Type: language
@@ -24467,7 +24515,7 @@
 %%
 Type: language
 Subtag: nbr
-Description: Numana-Nunku-Gbantu-Numbu
+Description: Numana
 Added: 2009-07-29
 %%
 Type: language
@@ -24559,7 +24607,7 @@
 %%
 Type: language
 Subtag: nck
-Description: Nakara
+Description: Na-kara
 Added: 2009-07-29
 %%
 Type: language
@@ -24931,7 +24979,7 @@
 %%
 Type: language
 Subtag: ngh
-Description: Nǀu
+Description: Nǁng
 Added: 2009-07-29
 %%
 Type: language
@@ -25176,7 +25224,7 @@
 %%
 Type: language
 Subtag: nig
-Description: Ngalakan
+Description: Ngalakgan
 Added: 2009-07-29
 %%
 Type: language
@@ -25798,6 +25846,8 @@
 Subtag: nns
 Description: Ningye
 Added: 2009-07-29
+Deprecated: 2019-04-16
+Preferred-Value: nbr
 %%
 Type: language
 Subtag: nnt
@@ -26658,7 +26708,7 @@
 %%
 Type: language
 Subtag: nyh
-Description: Nyigina
+Description: Nyikina
 Added: 2009-07-29
 %%
 Type: language
@@ -26713,7 +26763,7 @@
 %%
 Type: language
 Subtag: nys
-Description: Nyunga
+Description: Nyungar
 Added: 2009-07-29
 %%
 Type: language
@@ -28707,6 +28757,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: pnd
+Description: Mpinda
+Added: 2019-04-16
+%%
+Type: language
 Subtag: pne
 Description: Western Penan
 Added: 2009-07-29
@@ -28794,6 +28849,7 @@
 %%
 Type: language
 Subtag: pnw
+Description: Banyjima
 Description: Panytyima
 Added: 2009-07-29
 %%
@@ -29251,7 +29307,8 @@
 %%
 Type: language
 Subtag: pti
-Description: Pintiini
+Description: Pindiini
+Description: Wangkatha
 Added: 2009-07-29
 %%
 Type: language
@@ -30133,6 +30190,7 @@
 %%
 Type: language
 Subtag: ril
+Description: Riang Lang
 Description: Riang (Myanmar)
 Added: 2009-07-29
 %%
@@ -30153,7 +30211,7 @@
 %%
 Type: language
 Subtag: rit
-Description: Ritarungo
+Description: Ritharrngu
 Added: 2009-07-29
 %%
 Type: language
@@ -30219,7 +30277,7 @@
 %%
 Type: language
 Subtag: rmb
-Description: Rembarunga
+Description: Rembarrnga
 Added: 2009-07-29
 %%
 Type: language
@@ -30641,6 +30699,7 @@
 Type: language
 Subtag: rxw
 Description: Karuwali
+Description: Garuwali
 Added: 2013-09-10
 %%
 Type: language
@@ -32206,7 +32265,7 @@
 %%
 Type: language
 Subtag: snz
-Description: Sinsauru
+Description: Kou
 Added: 2009-07-29
 %%
 Type: language
@@ -32883,6 +32942,7 @@
 Subtag: suj
 Description: Shubi
 Added: 2009-07-29
+Comments: see also xsj
 %%
 Type: language
 Subtag: suk
@@ -33312,6 +33372,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: szy
+Description: Sakizaya
+Added: 2019-04-16
+%%
+Type: language
 Subtag: taa
 Description: Lower Tanana
 Added: 2009-07-29
@@ -33465,6 +33530,7 @@
 %%
 Type: language
 Subtag: tbh
+Description: Dharawal
 Description: Thurawal
 Added: 2009-07-29
 %%
@@ -33644,6 +33710,7 @@
 Type: language
 Subtag: tcs
 Description: Torres Strait Creole
+Description: Yumplatok
 Added: 2009-07-29
 %%
 Type: language
@@ -34067,6 +34134,7 @@
 %%
 Type: language
 Subtag: thd
+Description: Kuuk Thaayorre
 Description: Thayore
 Added: 2009-07-29
 %%
@@ -34310,6 +34378,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: tjj
+Description: Tjungundji
+Added: 2019-04-16
+%%
+Type: language
 Subtag: tjl
 Description: Tai Laing
 Added: 2012-08-12
@@ -34330,6 +34403,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: tjp
+Description: Tjupany
+Added: 2019-04-16
+%%
+Type: language
 Subtag: tjs
 Description: Southern Tujia
 Added: 2009-07-29
@@ -35679,6 +35757,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: tvx
+Description: Taivoan
+Added: 2019-04-16
+%%
+Type: language
 Subtag: tvy
 Description: Timor Pidgin
 Added: 2009-07-29
@@ -36230,7 +36313,7 @@
 %%
 Type: language
 Subtag: ulk
-Description: Meriam
+Description: Meriam Mir
 Added: 2009-07-29
 %%
 Type: language
@@ -36280,6 +36363,7 @@
 %%
 Type: language
 Subtag: umg
+Description: Morrobalama
 Description: Umbuygamu
 Added: 2009-07-29
 %%
@@ -36550,6 +36634,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: uss
+Description: us-Saare
+Added: 2019-04-16
+%%
+Type: language
 Subtag: usu
 Description: Uya
 Added: 2009-07-29
@@ -36565,6 +36654,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: uth
+Description: ut-Hun
+Added: 2019-04-16
+%%
+Type: language
 Subtag: utp
 Description: Amba (Solomon Islands)
 Added: 2009-07-29
@@ -37178,7 +37272,7 @@
 %%
 Type: language
 Subtag: waq
-Description: Wageman
+Description: Wagiman
 Added: 2009-07-29
 %%
 Type: language
@@ -37301,7 +37395,7 @@
 %%
 Type: language
 Subtag: wbt
-Description: Wanman
+Description: Warnman
 Added: 2009-07-29
 %%
 Type: language
@@ -37448,6 +37542,7 @@
 %%
 Type: language
 Subtag: wgg
+Description: Wangkangurru
 Description: Wangganguru
 Added: 2009-07-29
 %%
@@ -37521,7 +37616,7 @@
 %%
 Type: language
 Subtag: wig
-Description: Wik-Ngathana
+Description: Wik Ngathan
 Added: 2009-07-29
 %%
 Type: language
@@ -37625,6 +37720,11 @@
 Added: 2009-07-29
 %%
 Type: language
+Subtag: wkr
+Description: Keerray-Woorroong
+Added: 2019-04-16
+%%
+Type: language
 Subtag: wku
 Description: Kunduvadi
 Added: 2009-07-29
@@ -37857,10 +37957,12 @@
 Type: language
 Subtag: wny
 Description: Wanyi
+Description: Waanyi
 Added: 2012-08-12
 %%
 Type: language
 Subtag: woa
+Description: Kuwema
 Description: Tyaraity
 Added: 2009-07-29
 %%
@@ -37951,6 +38053,7 @@
 %%
 Type: language
 Subtag: wrb
+Description: Waluwarra
 Description: Warluwara
 Added: 2009-07-29
 %%
@@ -37962,11 +38065,12 @@
 Type: language
 Subtag: wrg
 Description: Warungu
+Description: Gudjal
 Added: 2009-07-29
 %%
 Type: language
 Subtag: wrh
-Description: Wiradhuri
+Description: Wiradjuri
 Added: 2009-07-29
 %%
 Type: language
@@ -38439,6 +38543,7 @@
 %%
 Type: language
 Subtag: xby
+Description: Batjala
 Description: Batyala
 Added: 2013-09-10
 %%
@@ -38998,7 +39103,7 @@
 %%
 Type: language
 Subtag: xmh
-Description: Kuku-Muminh
+Description: Kugu-Muminh
 Added: 2009-07-29
 %%
 Type: language
@@ -39423,8 +39528,7 @@
 Subtag: xsj
 Description: Subi
 Added: 2009-07-29
-Deprecated: 2015-02-12
-Preferred-Value: suj
+Comments: see also suj
 %%
 Type: language
 Subtag: xsl
@@ -40258,6 +40362,7 @@
 %%
 Type: language
 Subtag: yin
+Description: Riang Lai
 Description: Yinchia
 Added: 2009-07-29
 %%
@@ -41562,12 +41667,13 @@
 %%
 Type: language
 Subtag: zml
-Description: Madngele
+Description: Matngala
 Added: 2009-07-29
 %%
 Type: language
 Subtag: zmm
 Description: Marimanindji
+Description: Marramaninyshi
 Added: 2009-07-29
 %%
 Type: language
@@ -43019,6 +43125,13 @@
 Prefix: sgn
 %%
 Type: extlang
+Subtag: lsn
+Description: Tibetan Sign Language
+Added: 2019-04-16
+Preferred-Value: lsn
+Prefix: sgn
+%%
+Type: extlang
 Subtag: lso
 Description: Laos Sign Language
 Added: 2009-07-29
@@ -43041,6 +43154,13 @@
 Prefix: sgn
 %%
 Type: extlang
+Subtag: lsv
+Description: Sivia Sign Language
+Added: 2019-04-16
+Preferred-Value: lsv
+Prefix: sgn
+%%
+Type: extlang
 Subtag: lsy
 Description: Mauritian Sign Language
 Added: 2010-03-11
@@ -43966,6 +44086,11 @@
 Added: 2005-10-16
 %%
 Type: script
+Subtag: Chrs
+Description: Chorasmian
+Added: 2019-09-11
+%%
+Type: script
 Subtag: Cirt
 Description: Cirth
 Added: 2005-10-16
@@ -44002,6 +44127,11 @@
 Added: 2005-10-16
 %%
 Type: script
+Subtag: Diak
+Description: Dives Akuru
+Added: 2019-09-11
+%%
+Type: script
 Subtag: Dogr
 Description: Dogra
 Added: 2017-01-13
@@ -44839,6 +44969,11 @@
 Added: 2005-10-16
 %%
 Type: script
+Subtag: Yezi
+Description: Yezidi
+Added: 2019-09-11
+%%
+Type: script
 Subtag: Yiii
 Description: Yi
 Added: 2005-10-16
@@ -45683,7 +45818,7 @@
 %%
 Type: region
 Subtag: MK
-Description: The Former Yugoslav Republic of Macedonia
+Description: North Macedonia
 Added: 2005-10-16
 %%
 Type: region
--- a/make/devkit/Tools.gmk	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/devkit/Tools.gmk	Wed Oct 16 15:31:05 2019 +0200
@@ -79,20 +79,19 @@
 # Define external dependencies
 
 # Latest that could be made to work.
-GCC_VER := 8.2.0
-ifeq ($(GCC_VER), 8.2.0)
-  gcc_ver := gcc-8.2.0
-  binutils_ver := binutils-2.30
-  ccache_ver := ccache-3.5.1a
-  CCACHE_DIRNAME := ccache-3.5.1
+GCC_VER := 8.3.0
+ifeq ($(GCC_VER), 8.3.0)
+  gcc_ver := gcc-8.3.0
+  binutils_ver := binutils-2.32
+  ccache_ver := 3.7.3
   mpfr_ver := mpfr-3.1.5
   gmp_ver := gmp-6.1.2
   mpc_ver := mpc-1.0.3
-  gdb_ver := gdb-8.2.1
+  gdb_ver := gdb-8.3
 else ifeq ($(GCC_VER), 7.3.0)
   gcc_ver := gcc-7.3.0
   binutils_ver := binutils-2.30
-  ccache_ver := ccache-3.3.6
+  ccache_ver := 3.3.6
   mpfr_ver := mpfr-3.1.5
   gmp_ver := gmp-6.1.2
   mpc_ver := mpc-1.0.3
@@ -100,7 +99,7 @@
 else ifeq ($(GCC_VER), 4.9.2)
   gcc_ver := gcc-4.9.2
   binutils_ver := binutils-2.25
-  ccache_ver := ccache-3.2.1
+  ccache_ver := 3.2.1
   mpfr_ver := mpfr-3.0.1
   gmp_ver := gmp-4.3.2
   mpc_ver := mpc-1.0.1
@@ -111,7 +110,7 @@
 
 GCC := http://ftp.gnu.org/pub/gnu/gcc/$(gcc_ver)/$(gcc_ver).tar.xz
 BINUTILS := http://ftp.gnu.org/pub/gnu/binutils/$(binutils_ver).tar.xz
-CCACHE := https://samba.org/ftp/ccache/$(ccache_ver).tar.xz
+CCACHE := https://github.com/ccache/ccache/releases/download/v$(ccache_ver)/ccache-$(ccache_ver).tar.xz
 MPFR := https://www.mpfr.org/${mpfr_ver}/${mpfr_ver}.tar.bz2
 GMP := http://ftp.gnu.org/pub/gnu/gmp/${gmp_ver}.tar.bz2
 MPC := http://ftp.gnu.org/pub/gnu/mpc/${mpc_ver}.tar.gz
--- a/make/devkit/createWindowsDevkit2017.sh	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/devkit/createWindowsDevkit2017.sh	Wed Oct 16 15:31:05 2019 +0200
@@ -32,10 +32,7 @@
 VS_VERSION_NUM_NODOT="150"
 VS_DLL_VERSION="140"
 SDK_VERSION="10"
-SDK_FULL_VERSION="10.0.16299.0"
 MSVC_DIR="Microsoft.VC141.CRT"
-MSVC_FULL_VERSION="14.12.25827"
-REDIST_FULL_VERSION="14.12.25810"
 
 SCRIPT_DIR="$(cd "$(dirname $0)" > /dev/null && pwd)"
 BUILD_DIR="${SCRIPT_DIR}/../../build/devkit"
--- a/make/gensrc/Gensrc-jdk.internal.vm.compiler.management.gmk	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/gensrc/Gensrc-jdk.internal.vm.compiler.management.gmk	Wed Oct 16 15:31:05 2019 +0200
@@ -73,7 +73,7 @@
 	($(CD) $(GENSRC_DIR)/META-INF/providers && \
 	    p=""; \
 	    impl=""; \
-	    for i in $$($(GREP) '^' * | $(SORT) -t ':' -k 2 | $(SED) 's/:.*//'); do \
+	    for i in $$($(NAWK) '$$0=FILENAME" "$$0' * | $(SORT) -k 2 | $(SED) 's/ .*//'); do \
 	      c=$$($(CAT) $$i | $(TR) -d '\n\r'); \
 	      if test x$$p != x$$c; then \
                 if test x$$p != x; then \
--- a/make/jdk/src/classes/build/tools/charsetmapping/SBCS.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/jdk/src/classes/build/tools/charsetmapping/SBCS.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -46,6 +46,7 @@
         String hisName = cs.hisName;
         String pkgName = cs.pkgName;
         boolean isASCII = cs.isASCII;
+        boolean isLatin1Decodable = true;
 
         StringBuilder b2cSB = new StringBuilder();
         StringBuilder b2cNRSB = new StringBuilder();
@@ -69,6 +70,9 @@
                 c2bOff += 0x100;
                 c2bIndex[e.cp>>8] = 1;
             }
+            if (e.cp > 0xFF) {
+                isLatin1Decodable = false;
+            }
         }
 
         Formatter fm = new Formatter(b2cSB);
@@ -178,6 +182,9 @@
             if (line.indexOf("$ASCIICOMPATIBLE$") != -1) {
                 line = line.replace("$ASCIICOMPATIBLE$", isASCII ? "true" : "false");
             }
+            if (line.indexOf("$LATIN1DECODABLE$") != -1) {
+                line = line.replace("$LATIN1DECODABLE$", isLatin1Decodable ? "true" : "false");
+            }
             if (line.indexOf("$B2CTABLE$") != -1) {
                 line = line.replace("$B2CTABLE$", b2c);
             }
--- a/make/lib/CoreLibraries.gmk	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/lib/CoreLibraries.gmk	Wed Oct 16 15:31:05 2019 +0200
@@ -23,8 +23,6 @@
 # questions.
 #
 
-WIN_VERIFY_LIB := $(SUPPORT_OUTPUTDIR)/native/$(MODULE)/libverify/verify.lib
-
 # Hook to include the corresponding custom file, if present.
 $(eval $(call IncludeCustomExtension, lib/CoreLibraries.gmk))
 
@@ -110,14 +108,14 @@
     LDFLAGS_macosx := -L$(SUPPORT_OUTPUTDIR)/native/$(MODULE)/, \
     LDFLAGS_windows := -delayload:shell32.dll, \
     LIBS := $(BUILD_LIBFDLIBM_TARGET), \
-    LIBS_unix := -ljvm -lverify, \
+    LIBS_unix := -ljvm, \
     LIBS_linux := $(LIBDL), \
     LIBS_solaris := -lsocket -lnsl -lscf $(LIBDL), \
     LIBS_aix := $(LIBDL) $(LIBM),\
     LIBS_macosx := -framework CoreFoundation \
         -framework Foundation \
         -framework SystemConfiguration, \
-    LIBS_windows := jvm.lib $(WIN_VERIFY_LIB) \
+    LIBS_windows := jvm.lib \
         shell32.lib delayimp.lib \
         advapi32.lib version.lib, \
 ))
--- a/make/scripts/compare.sh	Mon Oct 07 16:48:42 2019 +0200
+++ b/make/scripts/compare.sh	Wed Oct 16 15:31:05 2019 +0200
@@ -34,6 +34,9 @@
     exit 1
 fi
 
+# Make sure all shell commands are executed with the C locale
+export LC_ALL=C
+
 if [ "$OPENJDK_TARGET_OS" = "macosx" ]; then
     FULLDUMP_CMD="$OTOOL -v -V -h -X -d"
     LDD_CMD="$OTOOL -L"
@@ -110,7 +113,7 @@
         "
   fi
 elif [ "$OPENJDK_TARGET_OS" = "macosx" ]; then
-  DIS_DIFF_FILTER="LANG=C $SED \
+  DIS_DIFF_FILTER="$SED \
       -e 's/0x[0-9a-f]\{3,16\}/<HEXSTR>/g' -e 's/^[0-9a-f]\{12,20\}/<ADDR>/' \
       -e 's/-20[0-9][0-9]-[0-1][0-9]-[0-3][0-9]-[0-2][0-9]\{5\}/<DATE>/g' \
       -e 's/), built on .*/), <DATE>/' \
@@ -134,7 +137,7 @@
 
     if [[ "$THIS_FILE" = *"META-INF/MANIFEST.MF" ]]; then
         # Filter out date string, ant version and java version differences.
-        TMP=$(LC_ALL=C $DIFF $OTHER_FILE $THIS_FILE | \
+        TMP=$($DIFF $OTHER_FILE $THIS_FILE | \
             $GREP '^[<>]' | \
             $SED -e '/[<>] Ant-Version: Apache Ant .*/d' \
                  -e '/[<>] Created-By: .* (Oracle [Corpatin)]*/d' \
@@ -142,7 +145,7 @@
                  -e '/[<>].*[0-9]\{4\}_[0-9]\{2\}_[0-9]\{2\}_[0-9]\{2\}_[0-9]\{2\}-b[0-9]\{2\}.*/d')
     fi
     if test "x$SUFFIX" = "xjava"; then
-        TMP=$(LC_ALL=C $DIFF $OTHER_FILE $THIS_FILE | \
+        TMP=$($DIFF $OTHER_FILE $THIS_FILE | \
             $GREP '^[<>]' | \
             $SED -e '/[<>] \* from.*\.idl/d' \
                  -e '/[<>] .*[0-9]\{4\}_[0-9]\{2\}_[0-9]\{2\}_[0-9]\{2\}_[0-9]\{2\}-b[0-9]\{2\}.*/d' \
@@ -197,7 +200,7 @@
     fi
     if test "x$SUFFIX" = "xproperties"; then
         # Filter out date string differences.
-        TMP=$(LC_ALL=C $DIFF $OTHER_FILE $THIS_FILE | \
+        TMP=$($DIFF $OTHER_FILE $THIS_FILE | \
             $GREP '^[<>]' | \
             $SED -e '/[<>].*[0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{6\}.*/d')
     fi
@@ -207,7 +210,7 @@
             -e 's/<font size=-1>/<font size=\"-1\">/g'"
         $CAT $THIS_FILE | eval "$HTML_FILTER" > $THIS_FILE.filtered
         $CAT $OTHER_FILE | eval "$HTML_FILTER" > $OTHER_FILE.filtered
-        TMP=$(LC_ALL=C $DIFF $OTHER_FILE.filtered $THIS_FILE.filtered | \
+        TMP=$($DIFF $OTHER_FILE.filtered $THIS_FILE.filtered | \
             $GREP '^[<>]' | \
             $SED -e '/[<>] <!-- Generated by javadoc .* on .* -->/d' \
                  -e '/[<>] <meta name="date" content=".*">/d' )
@@ -554,11 +557,11 @@
     CONTENTS_DIFF_FILE=$WORK_DIR/$ZIP_FILE.diff
     # On solaris, there is no -q option.
     if [ "$OPENJDK_TARGET_OS" = "solaris" ]; then
-        LC_ALL=C $DIFF -r $OTHER_UNZIPDIR $THIS_UNZIPDIR \
+        $DIFF -r $OTHER_UNZIPDIR $THIS_UNZIPDIR \
             | $GREP -v -e "^<" -e "^>" -e "^Common subdirectories:" \
             > $CONTENTS_DIFF_FILE
     else
-        LC_ALL=C $DIFF -rq $OTHER_UNZIPDIR $THIS_UNZIPDIR > $CONTENTS_DIFF_FILE
+        $DIFF -rq $OTHER_UNZIPDIR $THIS_UNZIPDIR > $CONTENTS_DIFF_FILE
     fi
 
     ONLY_OTHER=$($GREP "^Only in $OTHER_UNZIPDIR" $CONTENTS_DIFF_FILE)
@@ -605,11 +608,11 @@
             if [ -n "$SHOW_DIFFS" ]; then
                 for i in $(cat $WORK_DIR/$ZIP_FILE.difflist) ; do
                     if [ -f "${OTHER_UNZIPDIR}/$i.javap" ]; then
-                        LC_ALL=C $DIFF ${OTHER_UNZIPDIR}/$i.javap ${THIS_UNZIPDIR}/$i.javap
+                        $DIFF ${OTHER_UNZIPDIR}/$i.javap ${THIS_UNZIPDIR}/$i.javap
                     elif [ -f "${OTHER_UNZIPDIR}/$i.cleaned" ]; then
-                        LC_ALL=C $DIFF ${OTHER_UNZIPDIR}/$i.cleaned ${THIS_UNZIPDIR}/$i
+                        $DIFF ${OTHER_UNZIPDIR}/$i.cleaned ${THIS_UNZIPDIR}/$i
                     else
-                        LC_ALL=C $DIFF ${OTHER_UNZIPDIR}/$i ${THIS_UNZIPDIR}/$i
+                        $DIFF ${OTHER_UNZIPDIR}/$i ${THIS_UNZIPDIR}/$i
                     fi
                 done
             fi
@@ -642,7 +645,7 @@
     $JMOD list $THIS_JMOD | sort > $THIS_JMOD_LIST
     $JMOD list $OTHER_JMOD | sort > $OTHER_JMOD_LIST
     JMOD_LIST_DIFF_FILE=$WORK_DIR/$JMOD_FILE.list.diff
-    LC_ALL=C $DIFF $THIS_JMOD_LIST $OTHER_JMOD_LIST > $JMOD_LIST_DIFF_FILE
+    $DIFF $THIS_JMOD_LIST $OTHER_JMOD_LIST > $JMOD_LIST_DIFF_FILE
 
     ONLY_THIS=$($GREP "^<" $JMOD_LIST_DIFF_FILE)
     ONLY_OTHER=$($GREP "^>" $JMOD_LIST_DIFF_FILE)
@@ -924,7 +927,7 @@
             > $WORK_FILE_BASE.symbols.this
     fi
 
-    LC_ALL=C $DIFF $WORK_FILE_BASE.symbols.other $WORK_FILE_BASE.symbols.this > $WORK_FILE_BASE.symbols.diff
+    $DIFF $WORK_FILE_BASE.symbols.other $WORK_FILE_BASE.symbols.this > $WORK_FILE_BASE.symbols.diff
     if [ -s $WORK_FILE_BASE.symbols.diff ]; then
         SYM_MSG=" diff  "
         if [[ "$ACCEPTED_SYM_DIFF" != *"$BIN_FILE"* ]]; then
@@ -964,9 +967,9 @@
                     | $UNIQ > $WORK_FILE_BASE.deps.this.uniq)
         (cd $FILE_WORK_DIR && $RM -f $NAME)
 
-        LC_ALL=C $DIFF $WORK_FILE_BASE.deps.other $WORK_FILE_BASE.deps.this \
+        $DIFF $WORK_FILE_BASE.deps.other $WORK_FILE_BASE.deps.this \
               > $WORK_FILE_BASE.deps.diff
-        LC_ALL=C $DIFF $WORK_FILE_BASE.deps.other.uniq $WORK_FILE_BASE.deps.this.uniq \
+        $DIFF $WORK_FILE_BASE.deps.other.uniq $WORK_FILE_BASE.deps.this.uniq \
               > $WORK_FILE_BASE.deps.diff.uniq
 
         if [ -s $WORK_FILE_BASE.deps.diff ]; then
@@ -1016,7 +1019,7 @@
             > $WORK_FILE_BASE.fulldump.this  2>&1 &
         wait
 
-        LC_ALL=C $DIFF $WORK_FILE_BASE.fulldump.other $WORK_FILE_BASE.fulldump.this \
+        $DIFF $WORK_FILE_BASE.fulldump.other $WORK_FILE_BASE.fulldump.this \
             > $WORK_FILE_BASE.fulldump.diff
 
         if [ -s $WORK_FILE_BASE.fulldump.diff ]; then
@@ -1063,7 +1066,7 @@
             | eval "$this_DIS_DIFF_FILTER" > $WORK_FILE_BASE.dis.this  2>&1 &
         wait
 
-        LC_ALL=C $DIFF $WORK_FILE_BASE.dis.other $WORK_FILE_BASE.dis.this > $WORK_FILE_BASE.dis.diff
+        $DIFF $WORK_FILE_BASE.dis.other $WORK_FILE_BASE.dis.this > $WORK_FILE_BASE.dis.diff
 
         if [ -s $WORK_FILE_BASE.dis.diff ]; then
             DIS_DIFF_SIZE=$(ls -n $WORK_FILE_BASE.dis.diff | awk '{print $5}')
--- a/src/hotspot/cpu/aarch64/aarch64.ad	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/aarch64.ad	Wed Oct 16 15:31:05 2019 +0200
@@ -2513,17 +2513,8 @@
     __ INSN(REG, as_Register(BASE));                                    \
   }
 
-typedef void (MacroAssembler::* mem_insn)(Register Rt, const Address &adr);
-typedef void (MacroAssembler::* mem_float_insn)(FloatRegister Rt, const Address &adr);
-typedef void (MacroAssembler::* mem_vector_insn)(FloatRegister Rt,
-                                  MacroAssembler::SIMD_RegVariant T, const Address &adr);
-
-  // Used for all non-volatile memory accesses.  The use of
-  // $mem->opcode() to discover whether this pattern uses sign-extended
-  // offsets is something of a kludge.
-  static void loadStore(MacroAssembler masm, mem_insn insn,
-                         Register reg, int opcode,
-                         Register base, int index, int size, int disp)
+
+static Address mem2address(int opcode, Register base, int index, int size, int disp)
   {
     Address::extend scale;
 
@@ -2542,16 +2533,34 @@
     }
 
     if (index == -1) {
-      (masm.*insn)(reg, Address(base, disp));
+      return Address(base, disp);
     } else {
       assert(disp == 0, "unsupported address mode: disp = %d", disp);
-      (masm.*insn)(reg, Address(base, as_Register(index), scale));
+      return Address(base, as_Register(index), scale);
     }
   }
 
+
+typedef void (MacroAssembler::* mem_insn)(Register Rt, const Address &adr);
+typedef void (MacroAssembler::* mem_insn2)(Register Rt, Register adr);
+typedef void (MacroAssembler::* mem_float_insn)(FloatRegister Rt, const Address &adr);
+typedef void (MacroAssembler::* mem_vector_insn)(FloatRegister Rt,
+                                  MacroAssembler::SIMD_RegVariant T, const Address &adr);
+
+  // Used for all non-volatile memory accesses.  The use of
+  // $mem->opcode() to discover whether this pattern uses sign-extended
+  // offsets is something of a kludge.
+  static void loadStore(MacroAssembler masm, mem_insn insn,
+                        Register reg, int opcode,
+                        Register base, int index, int size, int disp)
+  {
+    Address addr = mem2address(opcode, base, index, size, disp);
+    (masm.*insn)(reg, addr);
+  }
+
   static void loadStore(MacroAssembler masm, mem_float_insn insn,
-                         FloatRegister reg, int opcode,
-                         Register base, int index, int size, int disp)
+                        FloatRegister reg, int opcode,
+                        Register base, int index, int size, int disp)
   {
     Address::extend scale;
 
@@ -2573,8 +2582,8 @@
   }
 
   static void loadStore(MacroAssembler masm, mem_vector_insn insn,
-                         FloatRegister reg, MacroAssembler::SIMD_RegVariant T,
-                         int opcode, Register base, int index, int size, int disp)
+                        FloatRegister reg, MacroAssembler::SIMD_RegVariant T,
+                        int opcode, Register base, int index, int size, int disp)
   {
     if (index == -1) {
       (masm.*insn)(reg, T, Address(base, disp));
@@ -3791,7 +3800,7 @@
     static const int hi[Op_RegL + 1] = { // enum name
       0,                                 // Op_Node
       0,                                 // Op_Set
-      OptoReg::Bad,                       // Op_RegN
+      OptoReg::Bad,                      // Op_RegN
       OptoReg::Bad,                      // Op_RegI
       R0_H_num,                          // Op_RegP
       OptoReg::Bad,                      // Op_RegF
@@ -6923,7 +6932,7 @@
 instruct loadP(iRegPNoSp dst, memory mem)
 %{
   match(Set dst (LoadP mem));
-  predicate(!needs_acquiring_load(n));
+  predicate(!needs_acquiring_load(n) && (n->as_Load()->barrier_data() == 0));
 
   ins_cost(4 * INSN_COST);
   format %{ "ldr  $dst, $mem\t# ptr" %}
@@ -7616,6 +7625,7 @@
 instruct loadP_volatile(iRegPNoSp dst, /* sync_memory*/indirect mem)
 %{
   match(Set dst (LoadP mem));
+  predicate(n->as_Load()->barrier_data() == 0);
 
   ins_cost(VOLATILE_REF_COST);
   format %{ "ldar  $dst, $mem\t# ptr" %}
@@ -8552,6 +8562,7 @@
 instruct compareAndSwapP(iRegINoSp res, indirect mem, iRegP oldval, iRegP newval, rFlagsReg cr) %{
 
   match(Set res (CompareAndSwapP mem (Binary oldval newval)));
+  predicate(n->as_LoadStore()->barrier_data() == 0);
   ins_cost(2 * VOLATILE_REF_COST);
 
   effect(KILL cr);
@@ -8665,7 +8676,7 @@
 
 instruct compareAndSwapPAcq(iRegINoSp res, indirect mem, iRegP oldval, iRegP newval, rFlagsReg cr) %{
 
-  predicate(needs_acquiring_load_exclusive(n));
+  predicate(needs_acquiring_load_exclusive(n) && (n->as_LoadStore()->barrier_data() == 0));
   match(Set res (CompareAndSwapP mem (Binary oldval newval)));
   ins_cost(VOLATILE_REF_COST);
 
@@ -8796,6 +8807,7 @@
 %}
 
 instruct compareAndExchangeP(iRegPNoSp res, indirect mem, iRegP oldval, iRegP newval, rFlagsReg cr) %{
+  predicate(n->as_LoadStore()->barrier_data() == 0);
   match(Set res (CompareAndExchangeP mem (Binary oldval newval)));
   ins_cost(2 * VOLATILE_REF_COST);
   effect(TEMP_DEF res, KILL cr);
@@ -8895,7 +8907,7 @@
 %}
 
 instruct compareAndExchangePAcq(iRegPNoSp res, indirect mem, iRegP oldval, iRegP newval, rFlagsReg cr) %{
-  predicate(needs_acquiring_load_exclusive(n));
+  predicate(needs_acquiring_load_exclusive(n) && (n->as_LoadStore()->barrier_data() == 0));
   match(Set res (CompareAndExchangeP mem (Binary oldval newval)));
   ins_cost(VOLATILE_REF_COST);
   effect(TEMP_DEF res, KILL cr);
@@ -8996,6 +9008,7 @@
 %}
 
 instruct weakCompareAndSwapP(iRegINoSp res, indirect mem, iRegP oldval, iRegP newval, rFlagsReg cr) %{
+  predicate(n->as_LoadStore()->barrier_data() == 0);
   match(Set res (WeakCompareAndSwapP mem (Binary oldval newval)));
   ins_cost(2 * VOLATILE_REF_COST);
   effect(KILL cr);
@@ -9103,8 +9116,8 @@
 %}
 
 instruct weakCompareAndSwapPAcq(iRegINoSp res, indirect mem, iRegP oldval, iRegP newval, rFlagsReg cr) %{
-  predicate(needs_acquiring_load_exclusive(n));
   match(Set res (WeakCompareAndSwapP mem (Binary oldval newval)));
+  predicate(needs_acquiring_load_exclusive(n) && (n->as_LoadStore()->barrier_data() == 0));
   ins_cost(VOLATILE_REF_COST);
   effect(KILL cr);
   format %{
@@ -9154,6 +9167,7 @@
 %}
 
 instruct get_and_setP(indirect mem, iRegP newv, iRegPNoSp prev) %{
+  predicate(n->as_LoadStore()->barrier_data() == 0);
   match(Set prev (GetAndSetP mem newv));
   ins_cost(2 * VOLATILE_REF_COST);
   format %{ "atomic_xchg  $prev, $newv, [$mem]" %}
@@ -9197,7 +9211,7 @@
 %}
 
 instruct get_and_setPAcq(indirect mem, iRegP newv, iRegPNoSp prev) %{
-  predicate(needs_acquiring_load_exclusive(n));
+  predicate(needs_acquiring_load_exclusive(n) && (n->as_LoadStore()->barrier_data() == 0));
   match(Set prev (GetAndSetP mem newv));
   ins_cost(VOLATILE_REF_COST);
   format %{ "atomic_xchg_acq  $prev, $newv, [$mem]" %}
--- a/src/hotspot/cpu/aarch64/abstractInterpreter_aarch64.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/abstractInterpreter_aarch64.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -26,6 +26,7 @@
 #include "precompiled.hpp"
 #include "interpreter/interpreter.hpp"
 #include "oops/constMethod.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/method.hpp"
 #include "runtime/frame.inline.hpp"
 #include "utilities/align.hpp"
--- a/src/hotspot/cpu/aarch64/compiledIC_aarch64.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/compiledIC_aarch64.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, 2018, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -162,16 +162,12 @@
   // Creation also verifies the object.
   NativeMovConstReg* method_holder
     = nativeMovConstReg_at(stub + NativeInstruction::instruction_size);
-#ifndef PRODUCT
-  NativeGeneralJump* jump = nativeGeneralJump_at(method_holder->next_instruction_address());
 
-  // read the value once
-  volatile intptr_t data = method_holder->data();
-  assert(data == 0 || data == (intptr_t)callee(),
-         "a) MT-unsafe modification of inline cache");
-  assert(data == 0 || jump->jump_destination() == entry,
-         "b) MT-unsafe modification of inline cache");
+#ifdef ASSERT
+  NativeGeneralJump* jump = nativeGeneralJump_at(method_holder->next_instruction_address());
+  verify_mt_safe(callee, entry, method_holder, jump);
 #endif
+
   // Update stub.
   method_holder->set_data((intptr_t)callee());
   NativeGeneralJump::insert_unconditional(method_holder->next_instruction_address(), entry);
@@ -189,6 +185,10 @@
   NativeMovConstReg* method_holder
     = nativeMovConstReg_at(stub + NativeInstruction::instruction_size);
   method_holder->set_data(0);
+  if (!static_stub->is_aot()) {
+    NativeJump* jump = nativeJump_at(method_holder->next_instruction_address());
+    jump->set_jump_destination((address)-1);
+  }
 }
 
 //-----------------------------------------------------------------------------
--- a/src/hotspot/cpu/aarch64/gc/z/zBarrierSetAssembler_aarch64.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/gc/z/zBarrierSetAssembler_aarch64.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -24,22 +24,23 @@
 #include "precompiled.hpp"
 #include "asm/macroAssembler.inline.hpp"
 #include "code/codeBlob.hpp"
+#include "code/vmreg.inline.hpp"
 #include "gc/z/zBarrier.inline.hpp"
 #include "gc/z/zBarrierSet.hpp"
 #include "gc/z/zBarrierSetAssembler.hpp"
 #include "gc/z/zBarrierSetRuntime.hpp"
+#include "gc/z/zThreadLocalData.hpp"
 #include "memory/resourceArea.hpp"
+#include "runtime/sharedRuntime.hpp"
+#include "utilities/macros.hpp"
 #ifdef COMPILER1
 #include "c1/c1_LIRAssembler.hpp"
 #include "c1/c1_MacroAssembler.hpp"
 #include "gc/z/c1/zBarrierSetC1.hpp"
 #endif // COMPILER1
-
-#include "gc/z/zThreadLocalData.hpp"
-
-ZBarrierSetAssembler::ZBarrierSetAssembler() :
-    _load_barrier_slow_stub(),
-    _load_barrier_weak_slow_stub() {}
+#ifdef COMPILER2
+#include "gc/z/c2/zBarrierSetC2.hpp"
+#endif // COMPILER2
 
 #ifdef PRODUCT
 #define BLOCK_COMMENT(str) /* nothing */
@@ -66,7 +67,7 @@
   assert_different_registers(rscratch1, rscratch2, src.base());
   assert_different_registers(rscratch1, rscratch2, dst);
 
-  RegSet savedRegs = RegSet::range(r0,r28) - RegSet::of(dst, rscratch1, rscratch2);
+  RegSet savedRegs = RegSet::range(r0, r28) - RegSet::of(dst, rscratch1, rscratch2);
 
   Label done;
 
@@ -206,7 +207,8 @@
 
   // The Address offset is too large to direct load - -784. Our range is +127, -128.
   __ mov(tmp, (long int)(in_bytes(ZThreadLocalData::address_bad_mask_offset()) -
-      in_bytes(JavaThread::jni_environment_offset())));
+              in_bytes(JavaThread::jni_environment_offset())));
+
   // Load address bad mask
   __ add(tmp, jni_env, tmp);
   __ ldr(tmp, Address(tmp));
@@ -294,12 +296,12 @@
   __ prologue("zgc_load_barrier stub", false);
 
   // We don't use push/pop_clobbered_registers() - we need to pull out the result from r0.
-  for (int i = 0; i < 32; i +=2) {
-    __ stpd(as_FloatRegister(i), as_FloatRegister(i+1), Address(__ pre(sp,-16)));
+  for (int i = 0; i < 32; i += 2) {
+    __ stpd(as_FloatRegister(i), as_FloatRegister(i + 1), Address(__ pre(sp,-16)));
   }
 
-  RegSet saveRegs = RegSet::range(r0,r28) - RegSet::of(r0);
-  __ push(saveRegs, sp);
+  const RegSet save_regs = RegSet::range(r1, r28);
+  __ push(save_regs, sp);
 
   // Setup arguments
   __ load_parameter(0, c_rarg0);
@@ -307,98 +309,161 @@
 
   __ call_VM_leaf(ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded_addr(decorators), 2);
 
-  __ pop(saveRegs, sp);
+  __ pop(save_regs, sp);
 
-  for (int i = 30; i >0; i -=2) {
-      __ ldpd(as_FloatRegister(i), as_FloatRegister(i+1), Address(__ post(sp, 16)));
-    }
+  for (int i = 30; i >= 0; i -= 2) {
+    __ ldpd(as_FloatRegister(i), as_FloatRegister(i + 1), Address(__ post(sp, 16)));
+  }
 
   __ epilogue();
 }
 #endif // COMPILER1
 
+#ifdef COMPILER2
+
+OptoReg::Name ZBarrierSetAssembler::refine_register(const Node* node, OptoReg::Name opto_reg) {
+  if (!OptoReg::is_reg(opto_reg)) {
+    return OptoReg::Bad;
+  }
+
+  const VMReg vm_reg = OptoReg::as_VMReg(opto_reg);
+  if (vm_reg->is_FloatRegister()) {
+    return opto_reg & ~1;
+  }
+
+  return opto_reg;
+}
+
 #undef __
-#define __ cgen->assembler()->
+#define __ _masm->
+
+class ZSaveLiveRegisters {
+private:
+  MacroAssembler* const _masm;
+  RegSet                _gp_regs;
+  RegSet                _fp_regs;
+
+public:
+  void initialize(ZLoadBarrierStubC2* stub) {
+    // Create mask of live registers
+    RegMask live = stub->live();
 
-// Generates a register specific stub for calling
-// ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded() or
-// ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded().
-//
-// The raddr register serves as both input and output for this stub. When the stub is
-// called the raddr register contains the object field address (oop*) where the bad oop
-// was loaded from, which caused the slow path to be taken. On return from the stub the
-// raddr register contains the good/healed oop returned from
-// ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded() or
-// ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded().
-static address generate_load_barrier_stub(StubCodeGenerator* cgen, Register raddr, DecoratorSet decorators) {
-  // Don't generate stub for invalid registers
-  if (raddr == zr || raddr == r29 || raddr == r30) {
-    return NULL;
+    // Record registers that needs to be saved/restored
+    while (live.is_NotEmpty()) {
+      const OptoReg::Name opto_reg = live.find_first_elem();
+      live.Remove(opto_reg);
+      if (OptoReg::is_reg(opto_reg)) {
+        const VMReg vm_reg = OptoReg::as_VMReg(opto_reg);
+        if (vm_reg->is_Register()) {
+          _gp_regs += RegSet::of(vm_reg->as_Register());
+        } else if (vm_reg->is_FloatRegister()) {
+          _fp_regs += RegSet::of((Register)vm_reg->as_FloatRegister());
+        } else {
+          fatal("Unknown register type");
+        }
+      }
+    }
+
+    // Remove C-ABI SOE registers, scratch regs and _ref register that will be updated
+    _gp_regs -= RegSet::range(r19, r30) + RegSet::of(r8, r9, stub->ref());
+  }
+
+  ZSaveLiveRegisters(MacroAssembler* masm, ZLoadBarrierStubC2* stub) :
+      _masm(masm),
+      _gp_regs(),
+      _fp_regs() {
+
+    // Figure out what registers to save/restore
+    initialize(stub);
+
+    // Save registers
+    __ push(_gp_regs, sp);
+    __ push_fp(_fp_regs, sp);
   }
 
-  // Create stub name
-  char name[64];
-  const bool weak = (decorators & ON_WEAK_OOP_REF) != 0;
-  os::snprintf(name, sizeof(name), "zgc_load_barrier%s_stub_%s", weak ? "_weak" : "", raddr->name());
+  ~ZSaveLiveRegisters() {
+    // Restore registers
+    __ pop_fp(_fp_regs, sp);
+    __ pop(_gp_regs, sp);
+  }
+};
+
+#undef __
+#define __ _masm->
 
-  __ align(CodeEntryAlignment);
-  StubCodeMark mark(cgen, "StubRoutines", os::strdup(name, mtCode));
-  address start = __ pc();
+class ZSetupArguments {
+private:
+  MacroAssembler* const _masm;
+  const Register        _ref;
+  const Address         _ref_addr;
+
+public:
+  ZSetupArguments(MacroAssembler* masm, ZLoadBarrierStubC2* stub) :
+      _masm(masm),
+      _ref(stub->ref()),
+      _ref_addr(stub->ref_addr()) {
 
-  // Save live registers
-  RegSet savedRegs = RegSet::range(r0,r18) - RegSet::of(raddr);
-
-  __ enter();
-  __ push(savedRegs, sp);
-
-  // Setup arguments
-  if (raddr != c_rarg1) {
-    __ mov(c_rarg1, raddr);
+    // Setup arguments
+    if (_ref_addr.base() == noreg) {
+      // No self healing
+      if (_ref != c_rarg0) {
+        __ mov(c_rarg0, _ref);
+      }
+      __ mov(c_rarg1, 0);
+    } else {
+      // Self healing
+      if (_ref == c_rarg0) {
+        // _ref is already at correct place
+        __ lea(c_rarg1, _ref_addr);
+      } else if (_ref != c_rarg1) {
+        // _ref is in wrong place, but not in c_rarg1, so fix it first
+        __ lea(c_rarg1, _ref_addr);
+        __ mov(c_rarg0, _ref);
+      } else if (_ref_addr.base() != c_rarg0 && _ref_addr.index() != c_rarg0) {
+        assert(_ref == c_rarg1, "Mov ref first, vacating c_rarg0");
+        __ mov(c_rarg0, _ref);
+        __ lea(c_rarg1, _ref_addr);
+      } else {
+        assert(_ref == c_rarg1, "Need to vacate c_rarg1 and _ref_addr is using c_rarg0");
+        if (_ref_addr.base() == c_rarg0 || _ref_addr.index() == c_rarg0) {
+          __ mov(rscratch2, c_rarg1);
+          __ lea(c_rarg1, _ref_addr);
+          __ mov(c_rarg0, rscratch2);
+        } else {
+          ShouldNotReachHere();
+        }
+      }
+    }
   }
 
-  __ ldr(c_rarg0, Address(raddr));
+  ~ZSetupArguments() {
+    // Transfer result
+    if (_ref != r0) {
+      __ mov(_ref, r0);
+    }
+  }
+};
+
+#undef __
+#define __ masm->
 
-  // Call barrier function
-  __ call_VM_leaf(ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded_addr(decorators), c_rarg0, c_rarg1);
+void ZBarrierSetAssembler::generate_c2_load_barrier_stub(MacroAssembler* masm, ZLoadBarrierStubC2* stub) const {
+  BLOCK_COMMENT("ZLoadBarrierStubC2");
+
+  // Stub entry
+  __ bind(*stub->entry());
 
-  // Move result returned in r0 to raddr, if needed
-  if (raddr != r0) {
-    __ mov(raddr, r0);
+  {
+    ZSaveLiveRegisters save_live_registers(masm, stub);
+    ZSetupArguments setup_arguments(masm, stub);
+    __ mov(rscratch1, stub->slow_path());
+    __ blr(rscratch1);
   }
 
-  __ pop(savedRegs, sp);
-  __ leave();
-  __ ret(lr);
-
-  return start;
+  // Stub exit
+  __ b(*stub->continuation());
 }
 
 #undef __
 
-static void barrier_stubs_init_inner(const char* label, const DecoratorSet decorators, address* stub) {
-  const int nregs = 28;              // Exclude FP, XZR, SP from calculation.
-  const int code_size = nregs * 254; // Rough estimate of code size
-
-  ResourceMark rm;
-
-  CodeBuffer buf(BufferBlob::create(label, code_size));
-  StubCodeGenerator cgen(&buf);
-
-  for (int i = 0; i < nregs; i++) {
-    const Register reg = as_Register(i);
-    stub[i] = generate_load_barrier_stub(&cgen, reg, decorators);
-  }
-}
-
-void ZBarrierSetAssembler::barrier_stubs_init() {
-  barrier_stubs_init_inner("zgc_load_barrier_stubs", ON_STRONG_OOP_REF, _load_barrier_slow_stub);
-  barrier_stubs_init_inner("zgc_load_barrier_weak_stubs", ON_WEAK_OOP_REF, _load_barrier_weak_slow_stub);
-}
-
-address ZBarrierSetAssembler::load_barrier_slow_stub(Register reg) {
-  return _load_barrier_slow_stub[reg->encoding()];
-}
-
-address ZBarrierSetAssembler::load_barrier_weak_slow_stub(Register reg) {
-  return _load_barrier_weak_slow_stub[reg->encoding()];
-}
+#endif // COMPILER2
--- a/src/hotspot/cpu/aarch64/gc/z/zBarrierSetAssembler_aarch64.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/gc/z/zBarrierSetAssembler_aarch64.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -24,6 +24,12 @@
 #ifndef CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP
 #define CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP
 
+#include "code/vmreg.hpp"
+#include "oops/accessDecorators.hpp"
+#ifdef COMPILER2
+#include "opto/optoreg.hpp"
+#endif // COMPILER2
+
 #ifdef COMPILER1
 class LIR_Assembler;
 class LIR_OprDesc;
@@ -32,14 +38,13 @@
 class ZLoadBarrierStubC1;
 #endif // COMPILER1
 
+#ifdef COMPILER2
+class Node;
+class ZLoadBarrierStubC2;
+#endif // COMPILER2
+
 class ZBarrierSetAssembler : public ZBarrierSetAssemblerBase {
-private:
-  address _load_barrier_slow_stub[RegisterImpl::number_of_registers];
-  address _load_barrier_weak_slow_stub[RegisterImpl::number_of_registers];
-
 public:
-  ZBarrierSetAssembler();
-
   virtual void load_at(MacroAssembler* masm,
                        DecoratorSet decorators,
                        BasicType type,
@@ -83,10 +88,13 @@
                                              DecoratorSet decorators) const;
 #endif // COMPILER1
 
-  virtual void barrier_stubs_init();
+#ifdef COMPILER2
+  OptoReg::Name refine_register(const Node* node,
+                                OptoReg::Name opto_reg);
 
-  address load_barrier_slow_stub(Register reg);
-  address load_barrier_weak_slow_stub(Register reg);
+  void generate_c2_load_barrier_stub(MacroAssembler* masm,
+                                     ZLoadBarrierStubC2* stub) const;
+#endif // COMPILER2
 };
 
 #endif // CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP
--- a/src/hotspot/cpu/aarch64/gc/z/z_aarch64.ad	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/gc/z/z_aarch64.ad	Wed Oct 16 15:31:05 2019 +0200
@@ -24,155 +24,244 @@
 source_hpp %{
 
 #include "gc/z/c2/zBarrierSetC2.hpp"
+#include "gc/z/zThreadLocalData.hpp"
 
 %}
 
 source %{
 
-#include "gc/z/zBarrierSetAssembler.hpp"
-
-static void z_load_barrier_slow_reg(MacroAssembler& _masm, Register dst, 
-                                    Register base, int index, int scale, 
-                                    int disp, bool weak) {
-  const address stub = weak ? ZBarrierSet::assembler()->load_barrier_weak_slow_stub(dst)
-                            : ZBarrierSet::assembler()->load_barrier_slow_stub(dst);
+static void z_load_barrier(MacroAssembler& _masm, const MachNode* node, Address ref_addr, Register ref, Register tmp, bool weak) {
+  ZLoadBarrierStubC2* const stub = ZLoadBarrierStubC2::create(node, ref_addr, ref, tmp, weak);
+  __ ldr(tmp, Address(rthread, ZThreadLocalData::address_bad_mask_offset()));
+  __ andr(tmp, tmp, ref);
+  __ cbnz(tmp, *stub->entry());
+  __ bind(*stub->continuation());
+}
 
-  if (index == -1) {
-    if (disp != 0) {
-      __ lea(dst, Address(base, disp));
-    } else {
-       __ mov(dst, base);
-    }
-  } else {
-    Register index_reg = as_Register(index);
-    if (disp == 0) {
-      __ lea(dst, Address(base, index_reg, Address::lsl(scale)));
-    } else {
-      __ lea(dst, Address(base, disp));
-      __ lea(dst, Address(dst, index_reg, Address::lsl(scale)));
-    }
-  }
-
-  __ far_call(RuntimeAddress(stub));
+static void z_load_barrier_slow_path(MacroAssembler& _masm, const MachNode* node, Address ref_addr, Register ref, Register tmp) {
+  ZLoadBarrierStubC2* const stub = ZLoadBarrierStubC2::create(node, ref_addr, ref, tmp, false /* weak */);
+  __ b(*stub->entry());
+  __ bind(*stub->continuation());
 }
 
 %}
 
-//
-// Execute ZGC load barrier (strong) slow path
-//
-instruct loadBarrierSlowReg(iRegP dst, memory src, rFlagsReg cr,
-    vRegD_V0 v0, vRegD_V1 v1, vRegD_V2 v2, vRegD_V3 v3, vRegD_V4 v4,
-    vRegD_V5 v5, vRegD_V6 v6, vRegD_V7 v7, vRegD_V8 v8, vRegD_V9 v9,
-    vRegD_V10 v10, vRegD_V11 v11, vRegD_V12 v12, vRegD_V13 v13, vRegD_V14 v14,
-    vRegD_V15 v15, vRegD_V16 v16, vRegD_V17 v17, vRegD_V18 v18, vRegD_V19 v19,
-    vRegD_V20 v20, vRegD_V21 v21, vRegD_V22 v22, vRegD_V23 v23, vRegD_V24 v24,
-    vRegD_V25 v25, vRegD_V26 v26, vRegD_V27 v27, vRegD_V28 v28, vRegD_V29 v29,
-    vRegD_V30 v30, vRegD_V31 v31) %{
-  match(Set dst (LoadBarrierSlowReg src dst));
-  predicate(!n->as_LoadBarrierSlowReg()->is_weak());
+// Load Pointer
+instruct zLoadP(iRegPNoSp dst, memory mem, rFlagsReg cr)
+%{
+  match(Set dst (LoadP mem));
+  predicate(UseZGC && !needs_acquiring_load(n) && (n->as_Load()->barrier_data() == ZLoadBarrierStrong));
+  effect(TEMP dst, KILL cr);
 
-  effect(KILL cr,
-     KILL v0, KILL v1, KILL v2, KILL v3, KILL v4, KILL v5, KILL v6, KILL v7,
-     KILL v8, KILL v9, KILL v10, KILL v11, KILL v12, KILL v13, KILL v14,
-     KILL v15, KILL v16, KILL v17, KILL v18, KILL v19, KILL v20, KILL v21,
-     KILL v22, KILL v23, KILL v24, KILL v25, KILL v26, KILL v27, KILL v28,
-     KILL v29, KILL v30, KILL v31);
+  ins_cost(4 * INSN_COST);
 
-  format %{ "lea $dst, $src\n\t"
-            "call #ZLoadBarrierSlowPath" %}
+  format %{ "ldr  $dst, $mem" %}
 
   ins_encode %{
-    z_load_barrier_slow_reg(_masm, $dst$$Register, $src$$base$$Register,
-                            $src$$index, $src$$scale, $src$$disp, false);
+    const Address ref_addr = mem2address($mem->opcode(), as_Register($mem$$base), $mem$$index, $mem$$scale, $mem$$disp);
+    __ ldr($dst$$Register, ref_addr);
+    if (barrier_data() != ZLoadBarrierElided) {
+      z_load_barrier(_masm, this, ref_addr, $dst$$Register, rscratch2 /* tmp */, false /* weak */);
+    }
   %}
-  ins_pipe(pipe_slow);
+
+  ins_pipe(iload_reg_mem);
 %}
 
-//
-// Execute ZGC load barrier (weak) slow path
-//
-instruct loadBarrierWeakSlowReg(iRegP dst, memory src, rFlagsReg cr,
-    vRegD_V0 v0, vRegD_V1 v1, vRegD_V2 v2, vRegD_V3 v3, vRegD_V4 v4,
-    vRegD_V5 v5, vRegD_V6 v6, vRegD_V7 v7, vRegD_V8 v8, vRegD_V9 v9,
-    vRegD_V10 v10, vRegD_V11 v11, vRegD_V12 v12, vRegD_V13 v13, vRegD_V14 v14,
-    vRegD_V15 v15, vRegD_V16 v16, vRegD_V17 v17, vRegD_V18 v18, vRegD_V19 v19,
-    vRegD_V20 v20, vRegD_V21 v21, vRegD_V22 v22, vRegD_V23 v23, vRegD_V24 v24,
-    vRegD_V25 v25, vRegD_V26 v26, vRegD_V27 v27, vRegD_V28 v28, vRegD_V29 v29,
-    vRegD_V30 v30, vRegD_V31 v31) %{
-  match(Set dst (LoadBarrierSlowReg src dst));
-  predicate(n->as_LoadBarrierSlowReg()->is_weak());
+// Load Weak Pointer
+instruct zLoadWeakP(iRegPNoSp dst, memory mem, rFlagsReg cr)
+%{
+  match(Set dst (LoadP mem));
+  predicate(UseZGC && !needs_acquiring_load(n) && (n->as_Load()->barrier_data() == ZLoadBarrierWeak));
+  effect(TEMP dst, KILL cr);
 
-  effect(KILL cr,
-     KILL v0, KILL v1, KILL v2, KILL v3, KILL v4, KILL v5, KILL v6, KILL v7,
-     KILL v8, KILL v9, KILL v10, KILL v11, KILL v12, KILL v13, KILL v14,
-     KILL v15, KILL v16, KILL v17, KILL v18, KILL v19, KILL v20, KILL v21,
-     KILL v22, KILL v23, KILL v24, KILL v25, KILL v26, KILL v27, KILL v28,
-     KILL v29, KILL v30, KILL v31);
+  ins_cost(4 * INSN_COST);
 
-  format %{ "lea $dst, $src\n\t"
-            "call #ZLoadBarrierSlowPath" %}
+  format %{ "ldr  $dst, $mem" %}
 
   ins_encode %{
-    z_load_barrier_slow_reg(_masm, $dst$$Register, $src$$base$$Register,
-                            $src$$index, $src$$scale, $src$$disp, true);
+    const Address ref_addr = mem2address($mem->opcode(), as_Register($mem$$base), $mem$$index, $mem$$scale, $mem$$disp);
+    __ ldr($dst$$Register, ref_addr);
+    z_load_barrier(_masm, this, ref_addr, $dst$$Register, rscratch2 /* tmp */, true /* weak */);
   %}
-  ins_pipe(pipe_slow);
+
+  ins_pipe(iload_reg_mem);
 %}
 
+// Load Pointer Volatile
+instruct zLoadPVolatile(iRegPNoSp dst, indirect mem /* sync_memory */, rFlagsReg cr)
+%{
+  match(Set dst (LoadP mem));
+  predicate(UseZGC && needs_acquiring_load(n) && n->as_Load()->barrier_data() == ZLoadBarrierStrong);
+  effect(TEMP dst, KILL cr);
 
-// Specialized versions of compareAndExchangeP that adds a keepalive that is consumed
-// but doesn't affect output.
+  ins_cost(VOLATILE_REF_COST);
 
-instruct z_compareAndExchangeP(iRegPNoSp res, indirect mem,
-                               iRegP oldval, iRegP newval, iRegP keepalive,
-                               rFlagsReg cr) %{
-  match(Set res (ZCompareAndExchangeP (Binary mem keepalive) (Binary oldval newval)));
-  ins_cost(2 * VOLATILE_REF_COST);
-  effect(TEMP_DEF res, KILL cr);
-  format %{
-    "cmpxchg $res = $mem, $oldval, $newval\t# (ptr, weak) if $mem == $oldval then $mem <-- $newval"
+  format %{ "ldar  $dst, $mem\t" %}
+
+  ins_encode %{
+    __ ldar($dst$$Register, $mem$$Register);
+    if (barrier_data() != ZLoadBarrierElided) {
+      z_load_barrier(_masm, this, Address($mem$$Register), $dst$$Register, rscratch2 /* tmp */, false /* weak */);
+    }
   %}
-  ins_encode %{
-    __ cmpxchg($mem$$Register, $oldval$$Register, $newval$$Register,
-               Assembler::xword, /*acquire*/ false, /*release*/ true,
-               /*weak*/ false, $res$$Register);
-  %}
-  ins_pipe(pipe_slow);
+
+  ins_pipe(pipe_serial);
 %}
 
-instruct z_compareAndSwapP(iRegINoSp res,
-                           indirect mem,
-                           iRegP oldval, iRegP newval, iRegP keepalive,
-                            rFlagsReg cr) %{
-
-  match(Set res (ZCompareAndSwapP (Binary mem keepalive) (Binary oldval newval)));
-  match(Set res (ZWeakCompareAndSwapP (Binary mem keepalive) (Binary oldval newval)));
+instruct zCompareAndSwapP(iRegINoSp res, indirect mem, iRegP oldval, iRegP newval, rFlagsReg cr) %{
+  match(Set res (CompareAndSwapP mem (Binary oldval newval)));
+  match(Set res (WeakCompareAndSwapP mem (Binary oldval newval)));
+  predicate(UseZGC && !needs_acquiring_load_exclusive(n) && n->as_LoadStore()->barrier_data() == ZLoadBarrierStrong);
+  effect(KILL cr, TEMP_DEF res);
 
   ins_cost(2 * VOLATILE_REF_COST);
 
-  effect(KILL cr);
+  format %{ "cmpxchg $mem, $oldval, $newval\n\t"
+            "cset    $res, EQ" %}
 
- format %{
-    "cmpxchg $mem, $oldval, $newval\t# (ptr) if $mem == $oldval then $mem <-- $newval"
-    "cset $res, EQ\t# $res <-- (EQ ? 1 : 0)"
- %}
-
- ins_encode(aarch64_enc_cmpxchg(mem, oldval, newval),
-            aarch64_enc_cset_eq(res));
+  ins_encode %{
+    guarantee($mem$$index == -1 && $mem$$disp == 0, "impossible encoding");
+    __ cmpxchg($mem$$Register, $oldval$$Register, $newval$$Register, Assembler::xword,
+               false /* acquire */, true /* release */, false /* weak */, rscratch2);
+    __ cset($res$$Register, Assembler::EQ);
+    if (barrier_data() != ZLoadBarrierElided) {
+      Label good;
+      __ ldr(rscratch1, Address(rthread, ZThreadLocalData::address_bad_mask_offset()));
+      __ andr(rscratch1, rscratch1, rscratch2);
+      __ cbz(rscratch1, good);
+      z_load_barrier_slow_path(_masm, this, Address($mem$$Register), rscratch2 /* ref */, rscratch1 /* tmp */);
+      __ cmpxchg($mem$$Register, $oldval$$Register, $newval$$Register, Assembler::xword,
+                 false /* acquire */, true /* release */, false /* weak */, rscratch2);
+      __ cset($res$$Register, Assembler::EQ);
+      __ bind(good);
+    }
+  %}
 
   ins_pipe(pipe_slow);
 %}
 
+instruct zCompareAndSwapPAcq(iRegINoSp res, indirect mem, iRegP oldval, iRegP newval, rFlagsReg cr) %{
+  match(Set res (CompareAndSwapP mem (Binary oldval newval)));
+  match(Set res (WeakCompareAndSwapP mem (Binary oldval newval)));
+  predicate(UseZGC && needs_acquiring_load_exclusive(n) && (n->as_LoadStore()->barrier_data() == ZLoadBarrierStrong));
+  effect(KILL cr, TEMP_DEF res);
 
-instruct z_get_and_setP(indirect mem, iRegP newv, iRegPNoSp prev,
-                        iRegP keepalive) %{
-  match(Set prev (ZGetAndSetP mem (Binary newv keepalive)));
+  ins_cost(2 * VOLATILE_REF_COST);
+
+ format %{ "cmpxchg $mem, $oldval, $newval\n\t"
+           "cset    $res, EQ" %}
+
+  ins_encode %{
+    guarantee($mem$$index == -1 && $mem$$disp == 0, "impossible encoding");
+    __ cmpxchg($mem$$Register, $oldval$$Register, $newval$$Register, Assembler::xword,
+               true /* acquire */, true /* release */, false /* weak */, rscratch2);
+    __ cset($res$$Register, Assembler::EQ);
+    if (barrier_data() != ZLoadBarrierElided) {
+      Label good;
+      __ ldr(rscratch1, Address(rthread, ZThreadLocalData::address_bad_mask_offset()));
+      __ andr(rscratch1, rscratch1, rscratch2);
+      __ cbz(rscratch1, good);
+      z_load_barrier_slow_path(_masm, this, Address($mem$$Register), rscratch2 /* ref */, rscratch1 /* tmp */ );
+      __ cmpxchg($mem$$Register, $oldval$$Register, $newval$$Register, Assembler::xword,
+                 true /* acquire */, true /* release */, false /* weak */, rscratch2);
+      __ cset($res$$Register, Assembler::EQ);
+      __ bind(good);
+    }
+  %}
+
+  ins_pipe(pipe_slow);
+%}
+
+instruct zCompareAndExchangeP(iRegPNoSp res, indirect mem, iRegP oldval, iRegP newval, rFlagsReg cr) %{
+  match(Set res (CompareAndExchangeP mem (Binary oldval newval)));
+  predicate(UseZGC && !needs_acquiring_load_exclusive(n) && n->as_LoadStore()->barrier_data() == ZLoadBarrierStrong);
+  effect(TEMP_DEF res, KILL cr);
 
   ins_cost(2 * VOLATILE_REF_COST);
-  format %{ "atomic_xchg  $prev, $newv, [$mem]" %}
+
+  format %{ "cmpxchg $res = $mem, $oldval, $newval" %}
+
+  ins_encode %{
+    guarantee($mem$$index == -1 && $mem$$disp == 0, "impossible encoding");
+    __ cmpxchg($mem$$Register, $oldval$$Register, $newval$$Register, Assembler::xword,
+               false /* acquire */, true /* release */, false /* weak */, $res$$Register);
+    if (barrier_data() != ZLoadBarrierElided) {
+      Label good;
+      __ ldr(rscratch1, Address(rthread, ZThreadLocalData::address_bad_mask_offset()));
+      __ andr(rscratch1, rscratch1, $res$$Register);
+      __ cbz(rscratch1, good);
+      z_load_barrier_slow_path(_masm, this, Address($mem$$Register), $res$$Register /* ref */, rscratch1 /* tmp */);
+      __ cmpxchg($mem$$Register, $oldval$$Register, $newval$$Register, Assembler::xword,
+                 false /* acquire */, true /* release */, false /* weak */, $res$$Register);
+      __ bind(good);
+    }
+  %}
+
+  ins_pipe(pipe_slow);
+%}
+
+instruct zCompareAndExchangePAcq(iRegPNoSp res, indirect mem, iRegP oldval, iRegP newval, rFlagsReg cr) %{
+  match(Set res (CompareAndExchangeP mem (Binary oldval newval)));
+  predicate(UseZGC && needs_acquiring_load_exclusive(n) && n->as_LoadStore()->barrier_data() == ZLoadBarrierStrong);
+  effect(TEMP_DEF res, KILL cr);
+
+  ins_cost(2 * VOLATILE_REF_COST);
+
+  format %{ "cmpxchg $res = $mem, $oldval, $newval" %}
+
   ins_encode %{
-    __ atomic_xchg($prev$$Register, $newv$$Register, as_Register($mem$$base));
+    guarantee($mem$$index == -1 && $mem$$disp == 0, "impossible encoding");
+    __ cmpxchg($mem$$Register, $oldval$$Register, $newval$$Register, Assembler::xword,
+               true /* acquire */, true /* release */, false /* weak */, $res$$Register);
+    if (barrier_data() != ZLoadBarrierElided) {
+      Label good;
+      __ ldr(rscratch1, Address(rthread, ZThreadLocalData::address_bad_mask_offset()));
+      __ andr(rscratch1, rscratch1, $res$$Register);
+      __ cbz(rscratch1, good);
+      z_load_barrier_slow_path(_masm, this, Address($mem$$Register), $res$$Register /* ref */, rscratch1 /* tmp */);
+      __ cmpxchg($mem$$Register, $oldval$$Register, $newval$$Register, Assembler::xword,
+                 true /* acquire */, true /* release */, false /* weak */, $res$$Register);
+      __ bind(good);
+    }
+  %}
+
+  ins_pipe(pipe_slow);
+%}
+
+instruct zGetAndSetP(indirect mem, iRegP newv, iRegPNoSp prev, rFlagsReg cr) %{
+  match(Set prev (GetAndSetP mem newv));
+  predicate(UseZGC && !needs_acquiring_load_exclusive(n) && n->as_LoadStore()->barrier_data() == ZLoadBarrierStrong);
+  effect(TEMP_DEF prev, KILL cr);
+
+  ins_cost(2 * VOLATILE_REF_COST);
+
+  format %{ "atomic_xchg  $prev, $newv, [$mem]" %}
+
+  ins_encode %{
+    __ atomic_xchg($prev$$Register, $newv$$Register, $mem$$Register);
+    if (barrier_data() != ZLoadBarrierElided) {
+      z_load_barrier(_masm, this, Address(noreg, 0), $prev$$Register, rscratch2 /* tmp */, false /* weak */);
+    }
+  %}
+
+  ins_pipe(pipe_serial);
+%}
+
+instruct zGetAndSetPAcq(indirect mem, iRegP newv, iRegPNoSp prev, rFlagsReg cr) %{
+  match(Set prev (GetAndSetP mem newv));
+  predicate(UseZGC && needs_acquiring_load_exclusive(n) && (n->as_LoadStore()->barrier_data() == ZLoadBarrierStrong));
+  effect(TEMP_DEF prev, KILL cr);
+
+  ins_cost(VOLATILE_REF_COST);
+
+  format %{ "atomic_xchg_acq  $prev, $newv, [$mem]" %}
+
+  ins_encode %{
+    __ atomic_xchgal($prev$$Register, $newv$$Register, $mem$$Register);
+    if (barrier_data() != ZLoadBarrierElided) {
+      z_load_barrier(_masm, this, Address(noreg, 0), $prev$$Register, rscratch2 /* tmp */, false /* weak */);
+    }
   %}
   ins_pipe(pipe_serial);
 %}
--- a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -2132,6 +2132,65 @@
 
   return count;
 }
+
+// Push lots of registers in the bit set supplied.  Don't push sp.
+// Return the number of words pushed
+int MacroAssembler::push_fp(unsigned int bitset, Register stack) {
+  int words_pushed = 0;
+
+  // Scan bitset to accumulate register pairs
+  unsigned char regs[32];
+  int count = 0;
+  for (int reg = 0; reg <= 31; reg++) {
+    if (1 & bitset)
+      regs[count++] = reg;
+    bitset >>= 1;
+  }
+  regs[count++] = zr->encoding_nocheck();
+  count &= ~1;  // Only push an even number of regs
+
+  // Always pushing full 128 bit registers.
+  if (count) {
+    stpq(as_FloatRegister(regs[0]), as_FloatRegister(regs[1]), Address(pre(stack, -count * wordSize * 2)));
+    words_pushed += 2;
+  }
+  for (int i = 2; i < count; i += 2) {
+    stpq(as_FloatRegister(regs[i]), as_FloatRegister(regs[i+1]), Address(stack, i * wordSize * 2));
+    words_pushed += 2;
+  }
+
+  assert(words_pushed == count, "oops, pushed != count");
+  return count;
+}
+
+int MacroAssembler::pop_fp(unsigned int bitset, Register stack) {
+  int words_pushed = 0;
+
+  // Scan bitset to accumulate register pairs
+  unsigned char regs[32];
+  int count = 0;
+  for (int reg = 0; reg <= 31; reg++) {
+    if (1 & bitset)
+      regs[count++] = reg;
+    bitset >>= 1;
+  }
+  regs[count++] = zr->encoding_nocheck();
+  count &= ~1;
+
+  for (int i = 2; i < count; i += 2) {
+    ldpq(as_FloatRegister(regs[i]), as_FloatRegister(regs[i+1]), Address(stack, i * wordSize * 2));
+    words_pushed += 2;
+  }
+  if (count) {
+    ldpq(as_FloatRegister(regs[0]), as_FloatRegister(regs[1]), Address(post(stack, count * wordSize * 2)));
+    words_pushed += 2;
+  }
+
+  assert(words_pushed == count, "oops, pushed != count");
+
+  return count;
+}
+
 #ifdef ASSERT
 void MacroAssembler::verify_heapbase(const char* msg) {
 #if 0
--- a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -442,12 +442,18 @@
   int push(unsigned int bitset, Register stack);
   int pop(unsigned int bitset, Register stack);
 
+  int push_fp(unsigned int bitset, Register stack);
+  int pop_fp(unsigned int bitset, Register stack);
+
   void mov(Register dst, Address a);
 
 public:
   void push(RegSet regs, Register stack) { if (regs.bits()) push(regs.bits(), stack); }
   void pop(RegSet regs, Register stack) { if (regs.bits()) pop(regs.bits(), stack); }
 
+  void push_fp(RegSet regs, Register stack) { if (regs.bits()) push_fp(regs.bits(), stack); }
+  void pop_fp(RegSet regs, Register stack) { if (regs.bits()) pop_fp(regs.bits(), stack); }
+
   // Push and pop everything that might be clobbered by a native
   // runtime call except rscratch1 and rscratch2.  (They are always
   // scratch, so we don't have to protect them.)  Only save the lower
--- a/src/hotspot/cpu/aarch64/nativeInst_aarch64.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/nativeInst_aarch64.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -332,9 +332,14 @@
 
   // We use jump to self as the unresolved address which the inline
   // cache code (and relocs) know about
+  // As a special case we also use sequence movptr(r,0); br(r);
+  // i.e. jump to 0 when we need leave space for a wide immediate
+  // load
 
-  // return -1 if jump to self
-  dest = (dest == (address) this) ? (address) -1 : dest;
+  // return -1 if jump to self or to 0
+  if ((dest == (address)this) || dest == 0) {
+    dest = (address) -1;
+  }
   return dest;
 }
 
@@ -356,9 +361,13 @@
 
   // We use jump to self as the unresolved address which the inline
   // cache code (and relocs) know about
+  // As a special case we also use jump to 0 when first generating
+  // a general jump
 
-  // return -1 if jump to self
-  dest = (dest == (address) this) ? (address) -1 : dest;
+  // return -1 if jump to self or to 0
+  if ((dest == (address)this) || dest == 0) {
+    dest = (address) -1;
+  }
   return dest;
 }
 
--- a/src/hotspot/cpu/aarch64/register_aarch64.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/register_aarch64.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -230,6 +230,11 @@
     return *this;
   }
 
+  RegSet &operator-=(const RegSet aSet) {
+    *this = *this - aSet;
+    return *this;
+  }
+
   static RegSet of(Register r1) {
     return RegSet(r1);
   }
--- a/src/hotspot/cpu/aarch64/sharedRuntime_aarch64.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/aarch64/sharedRuntime_aarch64.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -34,6 +34,7 @@
 #include "logging/log.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/compiledICHolder.hpp"
+#include "oops/klass.inline.hpp"
 #include "runtime/safepointMechanism.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "runtime/vframeArray.hpp"
--- a/src/hotspot/cpu/arm/abstractInterpreter_arm.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/arm/abstractInterpreter_arm.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -27,6 +27,7 @@
 #include "interpreter/bytecode.hpp"
 #include "interpreter/interpreter.hpp"
 #include "oops/constMethod.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/method.hpp"
 #include "prims/methodHandles.hpp"
 #include "runtime/handles.inline.hpp"
--- a/src/hotspot/cpu/arm/compiledIC_arm.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/arm/compiledIC_arm.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -115,16 +115,7 @@
   // Creation also verifies the object.
   NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
   NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
-
-#ifdef ASSERT
-  // read the value once
-  volatile intptr_t data = method_holder->data();
-  volatile address destination = jump->jump_destination();
-  assert(data == 0 || data == (intptr_t)callee(),
-         "a) MT-unsafe modification of inline cache");
-  assert(destination == (address)-1 || destination == entry,
-         "b) MT-unsafe modification of inline cache");
-#endif
+  verify_mt_safe(callee, entry, method_holder, jump);
 
   // Update stub.
   method_holder->set_data((intptr_t)callee());
--- a/src/hotspot/cpu/arm/sharedRuntime_arm.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/arm/sharedRuntime_arm.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 #include "logging/log.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/compiledICHolder.hpp"
+#include "oops/klass.inline.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "runtime/vframeArray.hpp"
 #include "utilities/align.hpp"
--- a/src/hotspot/cpu/ppc/abstractInterpreter_ppc.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/ppc/abstractInterpreter_ppc.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -26,6 +26,7 @@
 #include "precompiled.hpp"
 #include "interpreter/interpreter.hpp"
 #include "oops/constMethod.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/method.hpp"
 #include "runtime/frame.inline.hpp"
 #include "utilities/debug.hpp"
--- a/src/hotspot/cpu/ppc/compiledIC_ppc.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/ppc/compiledIC_ppc.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2012, 2015 SAP SE. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -178,15 +178,7 @@
   NativeMovConstReg* method_holder = nativeMovConstReg_at(stub + IC_pos_in_java_to_interp_stub);
   NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
 
-#ifdef ASSERT
-  // read the value once
-  volatile intptr_t data = method_holder->data();
-  volatile address destination = jump->jump_destination();
-  assert(data == 0 || data == (intptr_t)callee(),
-         "a) MT-unsafe modification of inline cache");
-  assert(destination == (address)-1 || destination == entry,
-         "b) MT-unsafe modification of inline cache");
-#endif
+  verify_mt_safe(callee, entry, method_holder, jump);
 
   // Update stub.
   method_holder->set_data((intptr_t)callee());
--- a/src/hotspot/cpu/ppc/macroAssembler_ppc.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/ppc/macroAssembler_ppc.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 #include "interpreter/interpreter.hpp"
 #include "memory/resourceArea.hpp"
 #include "nativeInst_ppc.hpp"
+#include "oops/klass.inline.hpp"
 #include "prims/methodHandles.hpp"
 #include "runtime/biasedLocking.hpp"
 #include "runtime/icache.hpp"
--- a/src/hotspot/cpu/ppc/sharedRuntime_ppc.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/ppc/sharedRuntime_ppc.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -34,6 +34,7 @@
 #include "interpreter/interp_masm.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/compiledICHolder.hpp"
+#include "oops/klass.inline.hpp"
 #include "runtime/safepointMechanism.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "runtime/vframeArray.hpp"
--- a/src/hotspot/cpu/ppc/templateTable_ppc_64.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/ppc/templateTable_ppc_64.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 #include "interpreter/templateInterpreter.hpp"
 #include "interpreter/templateTable.hpp"
 #include "memory/universe.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/objArrayKlass.hpp"
 #include "oops/oop.inline.hpp"
 #include "prims/methodHandles.hpp"
--- a/src/hotspot/cpu/ppc/vtableStubs_ppc_64.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/ppc/vtableStubs_ppc_64.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -30,6 +30,7 @@
 #include "memory/resourceArea.hpp"
 #include "oops/compiledICHolder.hpp"
 #include "oops/instanceKlass.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/klassVtable.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "vmreg_ppc.inline.hpp"
--- a/src/hotspot/cpu/s390/abstractInterpreter_s390.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/s390/abstractInterpreter_s390.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -26,6 +26,7 @@
 #include "precompiled.hpp"
 #include "interpreter/interpreter.hpp"
 #include "oops/constMethod.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/method.hpp"
 #include "runtime/frame.inline.hpp"
 #include "utilities/debug.hpp"
--- a/src/hotspot/cpu/s390/compiledIC_s390.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/s390/compiledIC_s390.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2016 SAP SE. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -104,19 +104,7 @@
   // Creation also verifies the object.
   NativeMovConstReg* method_holder = nativeMovConstReg_at(stub + NativeCall::get_IC_pos_in_java_to_interp_stub());
   NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
-
-#ifdef ASSERT
-  // A generated lambda form might be deleted from the Lambdaform
-  // cache in MethodTypeForm.  If a jit compiled lambdaform method
-  // becomes not entrant and the cache access returns null, the new
-  // resolve will lead to a new generated LambdaForm.
-  volatile intptr_t data = method_holder->data();
-  volatile address destination = jump->jump_destination();
-  assert(data == 0 || data == (intptr_t)callee() || callee->is_compiled_lambda_form(),
-         "a) MT-unsafe modification of inline cache");
-  assert(destination == (address)-1 || destination == entry,
-         "b) MT-unsafe modification of inline cache");
-#endif
+  verify_mt_safe(callee, entry, method_holder, jump);
 
   // Update stub.
   method_holder->set_data((intptr_t)callee(), relocInfo::metadata_type);
--- a/src/hotspot/cpu/s390/sharedRuntime_s390.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/s390/sharedRuntime_s390.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -33,6 +33,7 @@
 #include "interpreter/interp_masm.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/compiledICHolder.hpp"
+#include "oops/klass.inline.hpp"
 #include "registerSaver_s390.hpp"
 #include "runtime/safepointMechanism.hpp"
 #include "runtime/sharedRuntime.hpp"
--- a/src/hotspot/cpu/s390/vtableStubs_s390.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/s390/vtableStubs_s390.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -30,6 +30,7 @@
 #include "memory/resourceArea.hpp"
 #include "oops/compiledICHolder.hpp"
 #include "oops/instanceKlass.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/klassVtable.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "vmreg_s390.inline.hpp"
--- a/src/hotspot/cpu/sparc/abstractInterpreter_sparc.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/sparc/abstractInterpreter_sparc.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -25,6 +25,7 @@
 #include "precompiled.hpp"
 #include "interpreter/interpreter.hpp"
 #include "oops/constMethod.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/method.hpp"
 #include "runtime/arguments.hpp"
 #include "runtime/frame.inline.hpp"
--- a/src/hotspot/cpu/sparc/compiledIC_sparc.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/sparc/compiledIC_sparc.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -104,16 +104,7 @@
   // Creation also verifies the object.
   NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
   NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
-
-#ifdef ASSERT
-  // read the value once
-  volatile intptr_t data = method_holder->data();
-  volatile address destination = jump->jump_destination();
-  assert(data == 0 || data == (intptr_t)callee(),
-         "a) MT-unsafe modification of inline cache");
-  assert(destination == (address)-1 || destination == entry,
-         "b) MT-unsafe modification of inline cache");
-#endif
+  verify_mt_safe(callee, entry, method_holder, jump);
 
   // Update stub.
   method_holder->set_data((intptr_t)callee());
--- a/src/hotspot/cpu/sparc/sharedRuntime_sparc.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/sparc/sharedRuntime_sparc.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 #include "logging/log.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/compiledICHolder.hpp"
+#include "oops/klass.inline.hpp"
 #include "runtime/safepointMechanism.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "runtime/vframeArray.hpp"
--- a/src/hotspot/cpu/x86/abstractInterpreter_x86.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/abstractInterpreter_x86.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -25,6 +25,7 @@
 #include "precompiled.hpp"
 #include "ci/ciMethod.hpp"
 #include "interpreter/interpreter.hpp"
+#include "oops/klass.inline.hpp"
 #include "runtime/frame.inline.hpp"
 
 
--- a/src/hotspot/cpu/x86/compiledIC_x86.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/compiledIC_x86.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -157,16 +157,7 @@
   // Creation also verifies the object.
   NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
   NativeJump*        jump          = nativeJump_at(method_holder->next_instruction_address());
-
-#ifdef ASSERT
-  Method* old_method = reinterpret_cast<Method*>(method_holder->data());
-  address destination = jump->jump_destination();
-  assert(old_method == NULL || old_method == callee() ||
-         !old_method->method_holder()->is_loader_alive(),
-         "a) MT-unsafe modification of inline cache");
-  assert(destination == (address)-1 || destination == entry,
-         "b) MT-unsafe modification of inline cache");
-#endif
+  verify_mt_safe(callee, entry, method_holder, jump);
 
   // Update stub.
   method_holder->set_data((intptr_t)callee());
--- a/src/hotspot/cpu/x86/gc/z/zArguments_x86.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/gc/z/zArguments_x86.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -23,20 +23,7 @@
 
 #include "precompiled.hpp"
 #include "gc/z/zArguments.hpp"
-#include "runtime/globals.hpp"
-#include "runtime/globals_extension.hpp"
-#include "utilities/debug.hpp"
 
 void ZArguments::initialize_platform() {
-#ifdef COMPILER2
-  // The C2 barrier slow path expects vector registers to be least
-  // 16 bytes wide, which is the minimum width available on all
-  // x86-64 systems. However, the user could have speficied a lower
-  // number on the command-line, in which case we print a warning
-  // and raise it to 16.
-  if (MaxVectorSize < 16) {
-    warning("ZGC requires MaxVectorSize to be at least 16");
-    FLAG_SET_DEFAULT(MaxVectorSize, 16);
-  }
-#endif
+  // Does nothing
 }
--- a/src/hotspot/cpu/x86/gc/z/zBarrierSetAssembler_x86.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/gc/z/zBarrierSetAssembler_x86.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -24,22 +24,22 @@
 #include "precompiled.hpp"
 #include "asm/macroAssembler.inline.hpp"
 #include "code/codeBlob.hpp"
+#include "code/vmreg.inline.hpp"
 #include "gc/z/zBarrier.inline.hpp"
 #include "gc/z/zBarrierSet.hpp"
 #include "gc/z/zBarrierSetAssembler.hpp"
 #include "gc/z/zBarrierSetRuntime.hpp"
 #include "memory/resourceArea.hpp"
-#include "runtime/stubCodeGenerator.hpp"
+#include "runtime/sharedRuntime.hpp"
 #include "utilities/macros.hpp"
 #ifdef COMPILER1
 #include "c1/c1_LIRAssembler.hpp"
 #include "c1/c1_MacroAssembler.hpp"
 #include "gc/z/c1/zBarrierSetC1.hpp"
 #endif // COMPILER1
-
-ZBarrierSetAssembler::ZBarrierSetAssembler() :
-    _load_barrier_slow_stub(),
-    _load_barrier_weak_slow_stub() {}
+#ifdef COMPILER2
+#include "gc/z/c2/zBarrierSetC2.hpp"
+#endif // COMPILER2
 
 #ifdef PRODUCT
 #define BLOCK_COMMENT(str) /* nothing */
@@ -344,137 +344,327 @@
 
 #endif // COMPILER1
 
+#ifdef COMPILER2
+
+OptoReg::Name ZBarrierSetAssembler::refine_register(const Node* node, OptoReg::Name opto_reg) {
+  if (!OptoReg::is_reg(opto_reg)) {
+    return OptoReg::Bad;
+  }
+
+  const VMReg vm_reg = OptoReg::as_VMReg(opto_reg);
+  if (vm_reg->is_XMMRegister()) {
+    opto_reg &= ~15;
+    switch (node->ideal_reg()) {
+      case Op_VecX:
+        opto_reg |= 2;
+        break;
+      case Op_VecY:
+        opto_reg |= 4;
+        break;
+      case Op_VecZ:
+        opto_reg |= 8;
+        break;
+      default:
+        opto_reg |= 1;
+        break;
+    }
+  }
+
+  return opto_reg;
+}
+
+// We use the vec_spill_helper from the x86.ad file to avoid reinventing this wheel
+extern int vec_spill_helper(CodeBuffer *cbuf, bool do_size, bool is_load,
+                            int stack_offset, int reg, uint ireg, outputStream* st);
+
 #undef __
-#define __ cgen->assembler()->
+#define __ _masm->
+
+class ZSaveLiveRegisters {
+private:
+  struct XMMRegisterData {
+    XMMRegister _reg;
+    int         _size;
+
+    // Used by GrowableArray::find()
+    bool operator == (const XMMRegisterData& other) {
+      return _reg == other._reg;
+    }
+  };
+
+  MacroAssembler* const          _masm;
+  GrowableArray<Register>        _gp_registers;
+  GrowableArray<XMMRegisterData> _xmm_registers;
+  int                            _spill_size;
+  int                            _spill_offset;
 
-// Generates a register specific stub for calling
-// ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded() or
-// ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded().
-//
-// The raddr register serves as both input and output for this stub. When the stub is
-// called the raddr register contains the object field address (oop*) where the bad oop
-// was loaded from, which caused the slow path to be taken. On return from the stub the
-// raddr register contains the good/healed oop returned from
-// ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded() or
-// ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded().
-static address generate_load_barrier_stub(StubCodeGenerator* cgen, Register raddr, DecoratorSet decorators) {
-  // Don't generate stub for invalid registers
-  if (raddr == rsp || raddr == r15) {
-    return NULL;
+  static int xmm_compare_register_size(XMMRegisterData* left, XMMRegisterData* right) {
+    if (left->_size == right->_size) {
+      return 0;
+    }
+
+    return (left->_size < right->_size) ? -1 : 1;
+  }
+
+  static int xmm_slot_size(OptoReg::Name opto_reg) {
+    // The low order 4 bytes denote what size of the XMM register is live
+    return (opto_reg & 15) << 3;
+  }
+
+  static uint xmm_ideal_reg_for_size(int reg_size) {
+    switch (reg_size) {
+    case 8:
+      return Op_VecD;
+    case 16:
+      return Op_VecX;
+    case 32:
+      return Op_VecY;
+    case 64:
+      return Op_VecZ;
+    default:
+      fatal("Invalid register size %d", reg_size);
+      return 0;
+    }
+  }
+
+  bool xmm_needs_vzeroupper() const {
+    return _xmm_registers.is_nonempty() && _xmm_registers.at(0)._size > 16;
+  }
+
+  void xmm_register_save(const XMMRegisterData& reg_data) {
+    const OptoReg::Name opto_reg = OptoReg::as_OptoReg(reg_data._reg->as_VMReg());
+    const uint ideal_reg = xmm_ideal_reg_for_size(reg_data._size);
+    _spill_offset -= reg_data._size;
+    vec_spill_helper(__ code(), false /* do_size */, false /* is_load */, _spill_offset, opto_reg, ideal_reg, tty);
+  }
+
+  void xmm_register_restore(const XMMRegisterData& reg_data) {
+    const OptoReg::Name opto_reg = OptoReg::as_OptoReg(reg_data._reg->as_VMReg());
+    const uint ideal_reg = xmm_ideal_reg_for_size(reg_data._size);
+    vec_spill_helper(__ code(), false /* do_size */, true /* is_load */, _spill_offset, opto_reg, ideal_reg, tty);
+    _spill_offset += reg_data._size;
+  }
+
+  void gp_register_save(Register reg) {
+    _spill_offset -= 8;
+    __ movq(Address(rsp, _spill_offset), reg);
+  }
+
+  void gp_register_restore(Register reg) {
+    __ movq(reg, Address(rsp, _spill_offset));
+    _spill_offset += 8;
   }
 
-  // Create stub name
-  char name[64];
-  const bool weak = (decorators & ON_WEAK_OOP_REF) != 0;
-  os::snprintf(name, sizeof(name), "zgc_load_barrier%s_stub_%s", weak ? "_weak" : "", raddr->name());
+  void initialize(ZLoadBarrierStubC2* stub) {
+    // Create mask of caller saved registers that need to
+    // be saved/restored if live
+    RegMask caller_saved;
+    caller_saved.Insert(OptoReg::as_OptoReg(rax->as_VMReg()));
+    caller_saved.Insert(OptoReg::as_OptoReg(rcx->as_VMReg()));
+    caller_saved.Insert(OptoReg::as_OptoReg(rdx->as_VMReg()));
+    caller_saved.Insert(OptoReg::as_OptoReg(rsi->as_VMReg()));
+    caller_saved.Insert(OptoReg::as_OptoReg(rdi->as_VMReg()));
+    caller_saved.Insert(OptoReg::as_OptoReg(r8->as_VMReg()));
+    caller_saved.Insert(OptoReg::as_OptoReg(r9->as_VMReg()));
+    caller_saved.Insert(OptoReg::as_OptoReg(r10->as_VMReg()));
+    caller_saved.Insert(OptoReg::as_OptoReg(r11->as_VMReg()));
+    caller_saved.Remove(OptoReg::as_OptoReg(stub->ref()->as_VMReg()));
 
-  __ align(CodeEntryAlignment);
-  StubCodeMark mark(cgen, "StubRoutines", os::strdup(name, mtCode));
-  address start = __ pc();
+    // Create mask of live registers
+    RegMask live = stub->live();
+    if (stub->tmp() != noreg) {
+      live.Insert(OptoReg::as_OptoReg(stub->tmp()->as_VMReg()));
+    }
+
+    int gp_spill_size = 0;
+    int xmm_spill_size = 0;
+
+    // Record registers that needs to be saved/restored
+    while (live.is_NotEmpty()) {
+      const OptoReg::Name opto_reg = live.find_first_elem();
+      const VMReg vm_reg = OptoReg::as_VMReg(opto_reg);
+
+      live.Remove(opto_reg);
 
-  // Save live registers
-  if (raddr != rax) {
-    __ push(rax);
-  }
-  if (raddr != rcx) {
-    __ push(rcx);
-  }
-  if (raddr != rdx) {
-    __ push(rdx);
-  }
-  if (raddr != rsi) {
-    __ push(rsi);
-  }
-  if (raddr != rdi) {
-    __ push(rdi);
-  }
-  if (raddr != r8) {
-    __ push(r8);
-  }
-  if (raddr != r9) {
-    __ push(r9);
-  }
-  if (raddr != r10) {
-    __ push(r10);
-  }
-  if (raddr != r11) {
-    __ push(r11);
+      if (vm_reg->is_Register()) {
+        if (caller_saved.Member(opto_reg)) {
+          _gp_registers.append(vm_reg->as_Register());
+          gp_spill_size += 8;
+        }
+      } else if (vm_reg->is_XMMRegister()) {
+        // We encode in the low order 4 bits of the opto_reg, how large part of the register is live
+        const VMReg vm_reg_base = OptoReg::as_VMReg(opto_reg & ~15);
+        const int reg_size = xmm_slot_size(opto_reg);
+        const XMMRegisterData reg_data = { vm_reg_base->as_XMMRegister(), reg_size };
+        const int reg_index = _xmm_registers.find(reg_data);
+        if (reg_index == -1) {
+          // Not previously appended
+          _xmm_registers.append(reg_data);
+          xmm_spill_size += reg_size;
+        } else {
+          // Previously appended, update size
+          const int reg_size_prev = _xmm_registers.at(reg_index)._size;
+          if (reg_size > reg_size_prev) {
+            _xmm_registers.at_put(reg_index, reg_data);
+            xmm_spill_size += reg_size - reg_size_prev;
+          }
+        }
+      } else {
+        fatal("Unexpected register type");
+      }
+    }
+
+    // Sort by size, largest first
+    _xmm_registers.sort(xmm_compare_register_size);
+
+    // Stack pointer must be 16 bytes aligned for the call
+    _spill_offset = _spill_size = align_up(xmm_spill_size + gp_spill_size, 16);
   }
 
-  // Setup arguments
-  if (raddr != c_rarg1) {
-    __ movq(c_rarg1, raddr);
-  }
-  __ movq(c_rarg0, Address(raddr, 0));
+public:
+  ZSaveLiveRegisters(MacroAssembler* masm, ZLoadBarrierStubC2* stub) :
+      _masm(masm),
+      _gp_registers(),
+      _xmm_registers(),
+      _spill_size(0),
+      _spill_offset(0) {
 
-  // Call barrier function
-  __ call_VM_leaf(ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded_addr(decorators), c_rarg0, c_rarg1);
+    //
+    // Stack layout after registers have been spilled:
+    //
+    // | ...            | original rsp, 16 bytes aligned
+    // ------------------
+    // | zmm0 high      |
+    // | ...            |
+    // | zmm0 low       | 16 bytes aligned
+    // | ...            |
+    // | ymm1 high      |
+    // | ...            |
+    // | ymm1 low       | 16 bytes aligned
+    // | ...            |
+    // | xmmN high      |
+    // | ...            |
+    // | xmmN low       | 8 bytes aligned
+    // | reg0           | 8 bytes aligned
+    // | reg1           |
+    // | ...            |
+    // | regN           | new rsp, if 16 bytes aligned
+    // | <padding>      | else new rsp, 16 bytes aligned
+    // ------------------
+    //
 
-  // Move result returned in rax to raddr, if needed
-  if (raddr != rax) {
-    __ movq(raddr, rax);
+    // Figure out what registers to save/restore
+    initialize(stub);
+
+    // Allocate stack space
+    if (_spill_size > 0) {
+      __ subptr(rsp, _spill_size);
+    }
+
+    // Save XMM/YMM/ZMM registers
+    for (int i = 0; i < _xmm_registers.length(); i++) {
+      xmm_register_save(_xmm_registers.at(i));
+    }
+
+    if (xmm_needs_vzeroupper()) {
+      __ vzeroupper();
+    }
+
+    // Save general purpose registers
+    for (int i = 0; i < _gp_registers.length(); i++) {
+      gp_register_save(_gp_registers.at(i));
+    }
   }
 
-  // Restore saved registers
-  if (raddr != r11) {
-    __ pop(r11);
-  }
-  if (raddr != r10) {
-    __ pop(r10);
-  }
-  if (raddr != r9) {
-    __ pop(r9);
-  }
-  if (raddr != r8) {
-    __ pop(r8);
+  ~ZSaveLiveRegisters() {
+    // Restore general purpose registers
+    for (int i = _gp_registers.length() - 1; i >= 0; i--) {
+      gp_register_restore(_gp_registers.at(i));
+    }
+
+    __ vzeroupper();
+
+    // Restore XMM/YMM/ZMM registers
+    for (int i = _xmm_registers.length() - 1; i >= 0; i--) {
+      xmm_register_restore(_xmm_registers.at(i));
+    }
+
+    // Free stack space
+    if (_spill_size > 0) {
+      __ addptr(rsp, _spill_size);
+    }
   }
-  if (raddr != rdi) {
-    __ pop(rdi);
-  }
-  if (raddr != rsi) {
-    __ pop(rsi);
-  }
-  if (raddr != rdx) {
-    __ pop(rdx);
-  }
-  if (raddr != rcx) {
-    __ pop(rcx);
-  }
-  if (raddr != rax) {
-    __ pop(rax);
+};
+
+class ZSetupArguments {
+private:
+  MacroAssembler* const _masm;
+  const Register        _ref;
+  const Address         _ref_addr;
+
+public:
+  ZSetupArguments(MacroAssembler* masm, ZLoadBarrierStubC2* stub) :
+      _masm(masm),
+      _ref(stub->ref()),
+      _ref_addr(stub->ref_addr()) {
+
+    // Setup arguments
+    if (_ref_addr.base() == noreg) {
+      // No self healing
+      if (_ref != c_rarg0) {
+        __ movq(c_rarg0, _ref);
+      }
+      __ xorq(c_rarg1, c_rarg1);
+    } else {
+      // Self healing
+      if (_ref == c_rarg0) {
+        __ lea(c_rarg1, _ref_addr);
+      } else if (_ref != c_rarg1) {
+        __ lea(c_rarg1, _ref_addr);
+        __ movq(c_rarg0, _ref);
+      } else if (_ref_addr.base() != c_rarg0 && _ref_addr.index() != c_rarg0) {
+        __ movq(c_rarg0, _ref);
+        __ lea(c_rarg1, _ref_addr);
+      } else {
+        __ xchgq(c_rarg0, c_rarg1);
+        if (_ref_addr.base() == c_rarg0) {
+          __ lea(c_rarg1, Address(c_rarg1, _ref_addr.index(), _ref_addr.scale(), _ref_addr.disp()));
+        } else if (_ref_addr.index() == c_rarg0) {
+          __ lea(c_rarg1, Address(_ref_addr.base(), c_rarg1, _ref_addr.scale(), _ref_addr.disp()));
+        } else {
+          ShouldNotReachHere();
+        }
+      }
+    }
   }
 
-  __ ret(0);
+  ~ZSetupArguments() {
+    // Transfer result
+    if (_ref != rax) {
+      __ movq(_ref, rax);
+    }
+  }
+};
+
+#undef __
+#define __ masm->
 
-  return start;
+void ZBarrierSetAssembler::generate_c2_load_barrier_stub(MacroAssembler* masm, ZLoadBarrierStubC2* stub) const {
+  BLOCK_COMMENT("ZLoadBarrierStubC2");
+
+  // Stub entry
+  __ bind(*stub->entry());
+
+  {
+    ZSaveLiveRegisters save_live_registers(masm, stub);
+    ZSetupArguments setup_arguments(masm, stub);
+    __ call(RuntimeAddress(stub->slow_path()));
+  }
+
+  // Stub exit
+  __ jmp(*stub->continuation());
 }
 
 #undef __
 
-static void barrier_stubs_init_inner(const char* label, const DecoratorSet decorators, address* stub) {
-  const int nregs = RegisterImpl::number_of_registers;
-  const int code_size = nregs * 128; // Rough estimate of code size
-
-  ResourceMark rm;
-
-  CodeBuffer buf(BufferBlob::create(label, code_size));
-  StubCodeGenerator cgen(&buf);
-
-  for (int i = 0; i < nregs; i++) {
-    const Register reg = as_Register(i);
-    stub[i] = generate_load_barrier_stub(&cgen, reg, decorators);
-  }
-}
-
-void ZBarrierSetAssembler::barrier_stubs_init() {
-  barrier_stubs_init_inner("zgc_load_barrier_stubs", ON_STRONG_OOP_REF, _load_barrier_slow_stub);
-  barrier_stubs_init_inner("zgc_load_barrier_weak_stubs", ON_WEAK_OOP_REF, _load_barrier_weak_slow_stub);
-}
-
-address ZBarrierSetAssembler::load_barrier_slow_stub(Register reg) {
-  return _load_barrier_slow_stub[reg->encoding()];
-}
-
-address ZBarrierSetAssembler::load_barrier_weak_slow_stub(Register reg) {
-  return _load_barrier_weak_slow_stub[reg->encoding()];
-}
+#endif // COMPILER2
--- a/src/hotspot/cpu/x86/gc/z/zBarrierSetAssembler_x86.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/gc/z/zBarrierSetAssembler_x86.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -24,6 +24,14 @@
 #ifndef CPU_X86_GC_Z_ZBARRIERSETASSEMBLER_X86_HPP
 #define CPU_X86_GC_Z_ZBARRIERSETASSEMBLER_X86_HPP
 
+#include "code/vmreg.hpp"
+#include "oops/accessDecorators.hpp"
+#ifdef COMPILER2
+#include "opto/optoreg.hpp"
+#endif // COMPILER2
+
+class MacroAssembler;
+
 #ifdef COMPILER1
 class LIR_Assembler;
 class LIR_OprDesc;
@@ -32,14 +40,13 @@
 class ZLoadBarrierStubC1;
 #endif // COMPILER1
 
+#ifdef COMPILER2
+class Node;
+class ZLoadBarrierStubC2;
+#endif // COMPILER2
+
 class ZBarrierSetAssembler : public ZBarrierSetAssemblerBase {
-private:
-  address _load_barrier_slow_stub[RegisterImpl::number_of_registers];
-  address _load_barrier_weak_slow_stub[RegisterImpl::number_of_registers];
-
 public:
-  ZBarrierSetAssembler();
-
   virtual void load_at(MacroAssembler* masm,
                        DecoratorSet decorators,
                        BasicType type,
@@ -82,10 +89,13 @@
                                              DecoratorSet decorators) const;
 #endif // COMPILER1
 
-  virtual void barrier_stubs_init();
+#ifdef COMPILER2
+  OptoReg::Name refine_register(const Node* node,
+                                OptoReg::Name opto_reg);
 
-  address load_barrier_slow_stub(Register reg);
-  address load_barrier_weak_slow_stub(Register reg);
+  void generate_c2_load_barrier_stub(MacroAssembler* masm,
+                                     ZLoadBarrierStubC2* stub) const;
+#endif // COMPILER2
 };
 
 #endif // CPU_X86_GC_Z_ZBARRIERSETASSEMBLER_X86_HPP
--- a/src/hotspot/cpu/x86/gc/z/z_x86_64.ad	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/gc/z/z_x86_64.ad	Wed Oct 16 15:31:05 2019 +0200
@@ -24,190 +24,144 @@
 source_hpp %{
 
 #include "gc/z/c2/zBarrierSetC2.hpp"
+#include "gc/z/zThreadLocalData.hpp"
 
 %}
 
 source %{
 
-#include "gc/z/zBarrierSetAssembler.hpp"
+static void z_load_barrier(MacroAssembler& _masm, const MachNode* node, Address ref_addr, Register ref, Register tmp, bool weak) {
+  ZLoadBarrierStubC2* const stub = ZLoadBarrierStubC2::create(node, ref_addr, ref, tmp, weak);
+  __ testptr(ref, Address(r15_thread, ZThreadLocalData::address_bad_mask_offset()));
+  __ jcc(Assembler::notZero, *stub->entry());
+  __ bind(*stub->continuation());
+}
 
-static void z_load_barrier_slow_reg(MacroAssembler& _masm, Register dst, Address src, bool weak) {
-  assert(dst != rsp, "Invalid register");
-  assert(dst != r15, "Invalid register");
-
-  const address stub = weak ? ZBarrierSet::assembler()->load_barrier_weak_slow_stub(dst)
-                            : ZBarrierSet::assembler()->load_barrier_slow_stub(dst);
-  __ lea(dst, src);
-  __ call(RuntimeAddress(stub));
+static void z_load_barrier_slow_path(MacroAssembler& _masm, const MachNode* node, Address ref_addr, Register ref, Register tmp) {
+  ZLoadBarrierStubC2* const stub = ZLoadBarrierStubC2::create(node, ref_addr, ref, tmp, false /* weak */);
+  __ jmp(*stub->entry());
+  __ bind(*stub->continuation());
 }
 
 %}
 
-// For XMM and YMM enabled processors
-instruct zLoadBarrierSlowRegXmmAndYmm(rRegP dst, memory src, rFlagsReg cr,
-                                      rxmm0 x0, rxmm1 x1, rxmm2 x2, rxmm3 x3,
-                                      rxmm4 x4, rxmm5 x5, rxmm6 x6, rxmm7 x7,
-                                      rxmm8 x8, rxmm9 x9, rxmm10 x10, rxmm11 x11,
-                                      rxmm12 x12, rxmm13 x13, rxmm14 x14, rxmm15 x15) %{
-  match(Set dst (LoadBarrierSlowReg src dst));
-  predicate(UseAVX <= 2 && !n->as_LoadBarrierSlowReg()->is_weak());
+// Load Pointer
+instruct zLoadP(rRegP dst, memory mem, rFlagsReg cr)
+%{
+  predicate(UseZGC && n->as_Load()->barrier_data() == ZLoadBarrierStrong);
+  match(Set dst (LoadP mem));
+  effect(KILL cr, TEMP dst);
 
-  effect(KILL cr,
-         KILL x0, KILL x1, KILL x2, KILL x3,
-         KILL x4, KILL x5, KILL x6, KILL x7,
-         KILL x8, KILL x9, KILL x10, KILL x11,
-         KILL x12, KILL x13, KILL x14, KILL x15);
+  ins_cost(125);
 
-  format %{ "lea $dst, $src\n\t"
-            "call #ZLoadBarrierSlowPath" %}
+  format %{ "movq     $dst, $mem" %}
 
   ins_encode %{
-    z_load_barrier_slow_reg(_masm, $dst$$Register, $src$$Address, false /* weak */);
+    __ movptr($dst$$Register, $mem$$Address);
+    if (barrier_data() != ZLoadBarrierElided) {
+      z_load_barrier(_masm, this, $mem$$Address, $dst$$Register, noreg /* tmp */, false /* weak */);
+    }
   %}
-  ins_pipe(pipe_slow);
+
+  ins_pipe(ialu_reg_mem);
 %}
 
-// For ZMM enabled processors
-instruct zLoadBarrierSlowRegZmm(rRegP dst, memory src, rFlagsReg cr,
-                                rxmm0 x0, rxmm1 x1, rxmm2 x2, rxmm3 x3,
-                                rxmm4 x4, rxmm5 x5, rxmm6 x6, rxmm7 x7,
-                                rxmm8 x8, rxmm9 x9, rxmm10 x10, rxmm11 x11,
-                                rxmm12 x12, rxmm13 x13, rxmm14 x14, rxmm15 x15,
-                                rxmm16 x16, rxmm17 x17, rxmm18 x18, rxmm19 x19,
-                                rxmm20 x20, rxmm21 x21, rxmm22 x22, rxmm23 x23,
-                                rxmm24 x24, rxmm25 x25, rxmm26 x26, rxmm27 x27,
-                                rxmm28 x28, rxmm29 x29, rxmm30 x30, rxmm31 x31) %{
+// Load Weak Pointer
+instruct zLoadWeakP(rRegP dst, memory mem, rFlagsReg cr)
+%{
+  predicate(UseZGC && n->as_Load()->barrier_data() == ZLoadBarrierWeak);
+  match(Set dst (LoadP mem));
+  effect(KILL cr, TEMP dst);
 
-  match(Set dst (LoadBarrierSlowReg src dst));
-  predicate(UseAVX == 3 && !n->as_LoadBarrierSlowReg()->is_weak());
+  ins_cost(125);
 
-  effect(KILL cr,
-         KILL x0, KILL x1, KILL x2, KILL x3,
-         KILL x4, KILL x5, KILL x6, KILL x7,
-         KILL x8, KILL x9, KILL x10, KILL x11,
-         KILL x12, KILL x13, KILL x14, KILL x15,
-         KILL x16, KILL x17, KILL x18, KILL x19,
-         KILL x20, KILL x21, KILL x22, KILL x23,
-         KILL x24, KILL x25, KILL x26, KILL x27,
-         KILL x28, KILL x29, KILL x30, KILL x31);
-
-  format %{ "lea $dst, $src\n\t"
-            "call #ZLoadBarrierSlowPath" %}
+  format %{ "movq     $dst, $mem" %}
 
   ins_encode %{
-    z_load_barrier_slow_reg(_masm, $dst$$Register, $src$$Address, false /* weak */);
+    __ movptr($dst$$Register, $mem$$Address);
+    z_load_barrier(_masm, this, $mem$$Address, $dst$$Register, noreg /* tmp */, true /* weak */);
   %}
-  ins_pipe(pipe_slow);
-%}
-
-// For XMM and YMM enabled processors
-instruct zLoadBarrierWeakSlowRegXmmAndYmm(rRegP dst, memory src, rFlagsReg cr,
-                                          rxmm0 x0, rxmm1 x1, rxmm2 x2, rxmm3 x3,
-                                          rxmm4 x4, rxmm5 x5, rxmm6 x6, rxmm7 x7,
-                                          rxmm8 x8, rxmm9 x9, rxmm10 x10, rxmm11 x11,
-                                          rxmm12 x12, rxmm13 x13, rxmm14 x14, rxmm15 x15) %{
-  match(Set dst (LoadBarrierSlowReg src dst));
-  predicate(UseAVX <= 2 && n->as_LoadBarrierSlowReg()->is_weak());
 
-  effect(KILL cr,
-         KILL x0, KILL x1, KILL x2, KILL x3,
-         KILL x4, KILL x5, KILL x6, KILL x7,
-         KILL x8, KILL x9, KILL x10, KILL x11,
-         KILL x12, KILL x13, KILL x14, KILL x15);
-
-  format %{ "lea $dst, $src\n\t"
-            "call #ZLoadBarrierSlowPath" %}
-
-  ins_encode %{
-    z_load_barrier_slow_reg(_masm, $dst$$Register, $src$$Address, true /* weak */);
-  %}
-  ins_pipe(pipe_slow);
+  ins_pipe(ialu_reg_mem);
 %}
 
-// For ZMM enabled processors
-instruct zLoadBarrierWeakSlowRegZmm(rRegP dst, memory src, rFlagsReg cr,
-                                    rxmm0 x0, rxmm1 x1, rxmm2 x2, rxmm3 x3,
-                                    rxmm4 x4, rxmm5 x5, rxmm6 x6, rxmm7 x7,
-                                    rxmm8 x8, rxmm9 x9, rxmm10 x10, rxmm11 x11,
-                                    rxmm12 x12, rxmm13 x13, rxmm14 x14, rxmm15 x15,
-                                    rxmm16 x16, rxmm17 x17, rxmm18 x18, rxmm19 x19,
-                                    rxmm20 x20, rxmm21 x21, rxmm22 x22, rxmm23 x23,
-                                    rxmm24 x24, rxmm25 x25, rxmm26 x26, rxmm27 x27,
-                                    rxmm28 x28, rxmm29 x29, rxmm30 x30, rxmm31 x31) %{
+instruct zCompareAndExchangeP(memory mem, rax_RegP oldval, rRegP newval, rRegP tmp, rFlagsReg cr) %{
+  match(Set oldval (CompareAndExchangeP mem (Binary oldval newval)));
+  predicate(UseZGC && n->as_LoadStore()->barrier_data() == ZLoadBarrierStrong);
+  effect(KILL cr, TEMP tmp);
 
-  match(Set dst (LoadBarrierSlowReg src dst));
-  predicate(UseAVX == 3 && n->as_LoadBarrierSlowReg()->is_weak());
-
-  effect(KILL cr,
-         KILL x0, KILL x1, KILL x2, KILL x3,
-         KILL x4, KILL x5, KILL x6, KILL x7,
-         KILL x8, KILL x9, KILL x10, KILL x11,
-         KILL x12, KILL x13, KILL x14, KILL x15,
-         KILL x16, KILL x17, KILL x18, KILL x19,
-         KILL x20, KILL x21, KILL x22, KILL x23,
-         KILL x24, KILL x25, KILL x26, KILL x27,
-         KILL x28, KILL x29, KILL x30, KILL x31);
-
-  format %{ "lea $dst, $src\n\t"
-            "call #ZLoadBarrierSlowPath" %}
+  format %{ "lock\n\t"
+            "cmpxchgq $newval, $mem" %}
 
   ins_encode %{
-    z_load_barrier_slow_reg(_masm, $dst$$Register, $src$$Address, true /* weak */);
+    if (barrier_data() != ZLoadBarrierElided) {
+      __ movptr($tmp$$Register, $oldval$$Register);
+    }
+    __ lock();
+    __ cmpxchgptr($newval$$Register, $mem$$Address);
+    if (barrier_data() != ZLoadBarrierElided) {
+      Label good;
+      __ testptr($oldval$$Register, Address(r15_thread, ZThreadLocalData::address_bad_mask_offset()));
+      __ jcc(Assembler::zero, good);
+      z_load_barrier_slow_path(_masm, this, $mem$$Address, $oldval$$Register, $tmp$$Register);
+      __ movptr($oldval$$Register, $tmp$$Register);
+      __ lock();
+      __ cmpxchgptr($newval$$Register, $mem$$Address);
+      __ bind(good);
+    }
   %}
-  ins_pipe(pipe_slow);
+
+  ins_pipe(pipe_cmpxchg);
 %}
 
-// Specialized versions of compareAndExchangeP that adds a keepalive that is consumed
-// but doesn't affect output.
+instruct zCompareAndSwapP(rRegI res, memory mem, rRegP newval, rRegP tmp, rFlagsReg cr, rax_RegP oldval) %{
+  match(Set res (CompareAndSwapP mem (Binary oldval newval)));
+  match(Set res (WeakCompareAndSwapP mem (Binary oldval newval)));
+  predicate(UseZGC && n->as_LoadStore()->barrier_data() == ZLoadBarrierStrong);
+  effect(KILL cr, KILL oldval, TEMP tmp);
+
+  format %{ "lock\n\t"
+            "cmpxchgq $newval, $mem\n\t"
+            "sete     $res\n\t"
+            "movzbl   $res, $res" %}
 
-instruct z_compareAndExchangeP(
-        memory mem_ptr,
-        rax_RegP oldval, rRegP newval, rRegP keepalive,
-        rFlagsReg cr) %{
-    predicate(VM_Version::supports_cx8());
-    match(Set oldval (ZCompareAndExchangeP (Binary mem_ptr keepalive) (Binary oldval newval)));
-    effect(KILL cr);
+  ins_encode %{
+    if (barrier_data() != ZLoadBarrierElided) {
+      __ movptr($tmp$$Register, $oldval$$Register);
+    }
+    __ lock();
+    __ cmpxchgptr($newval$$Register, $mem$$Address);
+    if (barrier_data() != ZLoadBarrierElided) {
+      Label good;
+      __ testptr($oldval$$Register, Address(r15_thread, ZThreadLocalData::address_bad_mask_offset()));
+      __ jcc(Assembler::zero, good);
+      z_load_barrier_slow_path(_masm, this, $mem$$Address, $oldval$$Register, $tmp$$Register);
+      __ movptr($oldval$$Register, $tmp$$Register);
+      __ lock();
+      __ cmpxchgptr($newval$$Register, $mem$$Address);
+      __ bind(good);
+      __ cmpptr($tmp$$Register, $oldval$$Register);
+    }
+    __ setb(Assembler::equal, $res$$Register);
+    __ movzbl($res$$Register, $res$$Register);
+  %}
 
-    format %{ "cmpxchgq $mem_ptr,$newval\t# "
-              "If rax == $mem_ptr then store $newval into $mem_ptr\n\t" %}
-    opcode(0x0F, 0xB1);
-    ins_encode(lock_prefix,
-            REX_reg_mem_wide(newval, mem_ptr),
-            OpcP, OpcS,
-            reg_mem(newval, mem_ptr)  // lock cmpxchg
-    );
-    ins_pipe( pipe_cmpxchg );
+  ins_pipe(pipe_cmpxchg);
 %}
 
-instruct z_compareAndSwapP(rRegI res,
-                         memory mem_ptr,
-                         rax_RegP oldval, rRegP newval, rRegP keepalive,
-                         rFlagsReg cr) %{
-  predicate(VM_Version::supports_cx8());
-  match(Set res (ZCompareAndSwapP (Binary mem_ptr keepalive) (Binary oldval newval)));
-  match(Set res (ZWeakCompareAndSwapP (Binary mem_ptr keepalive) (Binary oldval newval)));
-  effect(KILL cr, KILL oldval);
+instruct zXChgP(memory mem, rRegP newval, rFlagsReg cr) %{
+  match(Set newval (GetAndSetP mem newval));
+  predicate(UseZGC && n->as_LoadStore()->barrier_data() == ZLoadBarrierStrong);
+  effect(KILL cr);
+
+  format %{ "xchgq    $newval, $mem" %}
 
-  format %{ "cmpxchgq $mem_ptr,$newval\t# "
-            "If rax == $mem_ptr then store $newval into $mem_ptr\n\t"
-            "sete    $res\n\t"
-            "movzbl  $res, $res" %}
-  opcode(0x0F, 0xB1);
-  ins_encode(lock_prefix,
-          REX_reg_mem_wide(newval, mem_ptr),
-          OpcP, OpcS,
-          reg_mem(newval, mem_ptr),
-          REX_breg(res), Opcode(0x0F), Opcode(0x94), reg(res), // sete
-          REX_reg_breg(res, res), // movzbl
-          Opcode(0xF), Opcode(0xB6), reg_reg(res, res));
-  ins_pipe( pipe_cmpxchg );
+  ins_encode %{
+    __ xchgptr($newval$$Register, $mem$$Address);
+    if (barrier_data() != ZLoadBarrierElided) {
+      z_load_barrier(_masm, this, Address(noreg, 0), $newval$$Register, noreg /* tmp */, false /* weak */);
+    }
+  %}
+
+  ins_pipe(pipe_cmpxchg);
 %}
-
-instruct z_xchgP( memory mem, rRegP newval, rRegP keepalive) %{
-  match(Set newval (ZGetAndSetP mem (Binary newval keepalive)));
-  format %{ "XCHGQ  $newval,[$mem]" %}
-  ins_encode %{
-    __ xchgq($newval$$Register, $mem$$Address);
-  %}
-  ins_pipe( pipe_cmpxchg );
-%}
--- a/src/hotspot/cpu/x86/macroAssembler_x86.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/macroAssembler_x86.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -824,11 +824,13 @@
 }
 
 void MacroAssembler::stop(const char* msg) {
-  address rip = pc();
-  pusha(); // get regs on stack
+  if (ShowMessageBoxOnError) {
+    address rip = pc();
+    pusha(); // get regs on stack
+    lea(c_rarg1, InternalAddress(rip));
+    movq(c_rarg2, rsp); // pass pointer to regs array
+  }
   lea(c_rarg0, ExternalAddress((address) msg));
-  lea(c_rarg1, InternalAddress(rip));
-  movq(c_rarg2, rsp); // pass pointer to regs array
   andq(rsp, -16); // align stack as required by ABI
   call(RuntimeAddress(CAST_FROM_FN_PTR(address, MacroAssembler::debug64)));
   hlt();
@@ -6350,7 +6352,7 @@
   movptr(result, str1);
   if (UseAVX >= 2) {
     cmpl(cnt1, stride);
-    jcc(Assembler::less, SCAN_TO_CHAR_LOOP);
+    jcc(Assembler::less, SCAN_TO_CHAR);
     cmpl(cnt1, 2*stride);
     jcc(Assembler::less, SCAN_TO_8_CHAR_INIT);
     movdl(vec1, ch);
@@ -6377,10 +6379,8 @@
   }
   bind(SCAN_TO_8_CHAR);
   cmpl(cnt1, stride);
-  if (UseAVX >= 2) {
-    jcc(Assembler::less, SCAN_TO_CHAR);
-  } else {
-    jcc(Assembler::less, SCAN_TO_CHAR_LOOP);
+  jcc(Assembler::less, SCAN_TO_CHAR);
+  if (UseAVX < 2) {
     movdl(vec1, ch);
     pshuflw(vec1, vec1, 0x00);
     pshufd(vec1, vec1, 0);
--- a/src/hotspot/cpu/x86/sharedRuntime_x86_32.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/sharedRuntime_x86_32.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -34,6 +34,7 @@
 #include "logging/log.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/compiledICHolder.hpp"
+#include "oops/klass.inline.hpp"
 #include "runtime/safepointMechanism.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "runtime/vframeArray.hpp"
@@ -1303,6 +1304,97 @@
   }
 }
 
+// Registers need to be saved for runtime call
+static Register caller_saved_registers[] = {
+  rcx, rdx, rsi, rdi
+};
+
+// Save caller saved registers except r1 and r2
+static void save_registers_except(MacroAssembler* masm, Register r1, Register r2) {
+  int reg_len = (int)(sizeof(caller_saved_registers) / sizeof(Register));
+  for (int index = 0; index < reg_len; index ++) {
+    Register this_reg = caller_saved_registers[index];
+    if (this_reg != r1 && this_reg != r2) {
+      __ push(this_reg);
+    }
+  }
+}
+
+// Restore caller saved registers except r1 and r2
+static void restore_registers_except(MacroAssembler* masm, Register r1, Register r2) {
+  int reg_len = (int)(sizeof(caller_saved_registers) / sizeof(Register));
+  for (int index = reg_len - 1; index >= 0; index --) {
+    Register this_reg = caller_saved_registers[index];
+    if (this_reg != r1 && this_reg != r2) {
+      __ pop(this_reg);
+    }
+  }
+}
+
+// Pin object, return pinned object or null in rax
+static void gen_pin_object(MacroAssembler* masm,
+                           Register thread, VMRegPair reg) {
+  __ block_comment("gen_pin_object {");
+
+  Label is_null;
+  Register tmp_reg = rax;
+  VMRegPair tmp(tmp_reg->as_VMReg());
+  if (reg.first()->is_stack()) {
+    // Load the arg up from the stack
+    simple_move32(masm, reg, tmp);
+    reg = tmp;
+  } else {
+    __ movl(tmp_reg, reg.first()->as_Register());
+  }
+  __ testptr(reg.first()->as_Register(), reg.first()->as_Register());
+  __ jccb(Assembler::equal, is_null);
+
+  // Save registers that may be used by runtime call
+  Register arg = reg.first()->is_Register() ? reg.first()->as_Register() : noreg;
+  save_registers_except(masm, arg, thread);
+
+  __ call_VM_leaf(
+    CAST_FROM_FN_PTR(address, SharedRuntime::pin_object),
+    thread, reg.first()->as_Register());
+
+  // Restore saved registers
+  restore_registers_except(masm, arg, thread);
+
+  __ bind(is_null);
+  __ block_comment("} gen_pin_object");
+}
+
+// Unpin object
+static void gen_unpin_object(MacroAssembler* masm,
+                             Register thread, VMRegPair reg) {
+  __ block_comment("gen_unpin_object {");
+  Label is_null;
+
+  // temp register
+  __ push(rax);
+  Register tmp_reg = rax;
+  VMRegPair tmp(tmp_reg->as_VMReg());
+
+  simple_move32(masm, reg, tmp);
+
+  __ testptr(rax, rax);
+  __ jccb(Assembler::equal, is_null);
+
+  // Save registers that may be used by runtime call
+  Register arg = reg.first()->is_Register() ? reg.first()->as_Register() : noreg;
+  save_registers_except(masm, arg, thread);
+
+  __ call_VM_leaf(
+    CAST_FROM_FN_PTR(address, SharedRuntime::unpin_object),
+    thread, rax);
+
+  // Restore saved registers
+  restore_registers_except(masm, arg, thread);
+  __ bind(is_null);
+  __ pop(rax);
+  __ block_comment("} gen_unpin_object");
+}
+
 // Check GCLocker::needs_gc and enter the runtime if it's true.  This
 // keeps a new JNI critical region from starting until a GC has been
 // forced.  Save down any oops in registers and describe them in an
@@ -1836,7 +1928,7 @@
 
   __ get_thread(thread);
 
-  if (is_critical_native) {
+  if (is_critical_native && !Universe::heap()->supports_object_pinning()) {
     check_needs_gc_for_critical_native(masm, thread, stack_slots, total_c_args, total_in_args,
                                        oop_handle_offset, oop_maps, in_regs, in_sig_bt);
   }
@@ -1874,6 +1966,11 @@
   //
   OopMap* map = new OopMap(stack_slots * 2, 0 /* arg_slots*/);
 
+  // Inbound arguments that need to be pinned for critical natives
+  GrowableArray<int> pinned_args(total_in_args);
+  // Current stack slot for storing register based array argument
+  int pinned_slot = oop_handle_offset;
+
   // Mark location of rbp,
   // map->set_callee_saved(VMRegImpl::stack2reg( stack_slots - 2), stack_slots * 2, 0, rbp->as_VMReg());
 
@@ -1885,7 +1982,28 @@
     switch (in_sig_bt[i]) {
       case T_ARRAY:
         if (is_critical_native) {
-          unpack_array_argument(masm, in_regs[i], in_elem_bt[i], out_regs[c_arg + 1], out_regs[c_arg]);
+          VMRegPair in_arg = in_regs[i];
+          if (Universe::heap()->supports_object_pinning()) {
+            // gen_pin_object handles save and restore
+            // of any clobbered registers
+            gen_pin_object(masm, thread, in_arg);
+            pinned_args.append(i);
+
+            // rax has pinned array
+            VMRegPair result_reg(rax->as_VMReg());
+            if (!in_arg.first()->is_stack()) {
+              assert(pinned_slot <= stack_slots, "overflow");
+              simple_move32(masm, result_reg, VMRegImpl::stack2reg(pinned_slot));
+              pinned_slot += VMRegImpl::slots_per_word;
+            } else {
+              // Write back pinned value, it will be used to unpin this argument
+              __ movptr(Address(rbp, reg2offset_in(in_arg.first())), result_reg.first()->as_Register());
+            }
+            // We have the array in register, use it
+            in_arg = result_reg;
+          }
+
+          unpack_array_argument(masm, in_arg, in_elem_bt[i], out_regs[c_arg + 1], out_regs[c_arg]);
           c_arg++;
           break;
         }
@@ -2078,6 +2196,26 @@
   default       : ShouldNotReachHere();
   }
 
+  // unpin pinned arguments
+  pinned_slot = oop_handle_offset;
+  if (pinned_args.length() > 0) {
+    // save return value that may be overwritten otherwise.
+    save_native_result(masm, ret_type, stack_slots);
+    for (int index = 0; index < pinned_args.length(); index ++) {
+      int i = pinned_args.at(index);
+      assert(pinned_slot <= stack_slots, "overflow");
+      if (!in_regs[i].first()->is_stack()) {
+        int offset = pinned_slot * VMRegImpl::stack_slot_size;
+        __ movl(in_regs[i].first()->as_Register(), Address(rsp, offset));
+        pinned_slot += VMRegImpl::slots_per_word;
+      }
+      // gen_pin_object handles save and restore
+      // of any other clobbered registers
+      gen_unpin_object(masm, thread, in_regs[i]);
+    }
+    restore_native_result(masm, ret_type, stack_slots);
+  }
+
   // Switch thread to "native transition" state before reading the synchronization state.
   // This additional state is necessary because reading and testing the synchronization
   // state is not atomic w.r.t. GC, as this scenario demonstrates:
--- a/src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -41,6 +41,7 @@
 #include "memory/resourceArea.hpp"
 #include "memory/universe.hpp"
 #include "oops/compiledICHolder.hpp"
+#include "oops/klass.inline.hpp"
 #include "runtime/safepointMechanism.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "runtime/vframeArray.hpp"
--- a/src/hotspot/cpu/x86/x86.ad	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/x86.ad	Wed Oct 16 15:31:05 2019 +0200
@@ -1097,138 +1097,6 @@
 reg_class_dynamic vectorz_reg(vectorz_reg_evex, vectorz_reg_legacy, %{ VM_Version::supports_evex() %} );
 reg_class_dynamic vectorz_reg_vl(vectorz_reg_evex, vectorz_reg_legacy, %{ VM_Version::supports_evex() && VM_Version::supports_avx512vl() %} );
 
-reg_class xmm0_reg(XMM0, XMM0b, XMM0c, XMM0d);
-reg_class ymm0_reg(XMM0, XMM0b, XMM0c, XMM0d, XMM0e, XMM0f, XMM0g, XMM0h);
-reg_class zmm0_reg(XMM0, XMM0b, XMM0c, XMM0d, XMM0e, XMM0f, XMM0g, XMM0h, XMM0i, XMM0j, XMM0k, XMM0l, XMM0m, XMM0n, XMM0o, XMM0p);
-
-reg_class xmm1_reg(XMM1, XMM1b, XMM1c, XMM1d);
-reg_class ymm1_reg(XMM1, XMM1b, XMM1c, XMM1d, XMM1e, XMM1f, XMM1g, XMM1h);
-reg_class zmm1_reg(XMM1, XMM1b, XMM1c, XMM1d, XMM1e, XMM1f, XMM1g, XMM1h, XMM1i, XMM1j, XMM1k, XMM1l, XMM1m, XMM1n, XMM1o, XMM1p);
-
-reg_class xmm2_reg(XMM2, XMM2b, XMM2c, XMM2d);
-reg_class ymm2_reg(XMM2, XMM2b, XMM2c, XMM2d, XMM2e, XMM2f, XMM2g, XMM2h);
-reg_class zmm2_reg(XMM2, XMM2b, XMM2c, XMM2d, XMM2e, XMM2f, XMM2g, XMM2h, XMM2i, XMM2j, XMM2k, XMM2l, XMM2m, XMM2n, XMM2o, XMM2p);
-
-reg_class xmm3_reg(XMM3, XMM3b, XMM3c, XMM3d);
-reg_class ymm3_reg(XMM3, XMM3b, XMM3c, XMM3d, XMM3e, XMM3f, XMM3g, XMM3h);
-reg_class zmm3_reg(XMM3, XMM3b, XMM3c, XMM3d, XMM3e, XMM3f, XMM3g, XMM3h, XMM3i, XMM3j, XMM3k, XMM3l, XMM3m, XMM3n, XMM3o, XMM3p);
-
-reg_class xmm4_reg(XMM4, XMM4b, XMM4c, XMM4d);
-reg_class ymm4_reg(XMM4, XMM4b, XMM4c, XMM4d, XMM4e, XMM4f, XMM4g, XMM4h);
-reg_class zmm4_reg(XMM4, XMM4b, XMM4c, XMM4d, XMM4e, XMM4f, XMM4g, XMM4h, XMM4i, XMM4j, XMM4k, XMM4l, XMM4m, XMM4n, XMM4o, XMM4p);
-
-reg_class xmm5_reg(XMM5, XMM5b, XMM5c, XMM5d);
-reg_class ymm5_reg(XMM5, XMM5b, XMM5c, XMM5d, XMM5e, XMM5f, XMM5g, XMM5h);
-reg_class zmm5_reg(XMM5, XMM5b, XMM5c, XMM5d, XMM5e, XMM5f, XMM5g, XMM5h, XMM5i, XMM5j, XMM5k, XMM5l, XMM5m, XMM5n, XMM5o, XMM5p);
-
-reg_class xmm6_reg(XMM6, XMM6b, XMM6c, XMM6d);
-reg_class ymm6_reg(XMM6, XMM6b, XMM6c, XMM6d, XMM6e, XMM6f, XMM6g, XMM6h);
-reg_class zmm6_reg(XMM6, XMM6b, XMM6c, XMM6d, XMM6e, XMM6f, XMM6g, XMM6h, XMM6i, XMM6j, XMM6k, XMM6l, XMM6m, XMM6n, XMM6o, XMM6p);
-
-reg_class xmm7_reg(XMM7, XMM7b, XMM7c, XMM7d);
-reg_class ymm7_reg(XMM7, XMM7b, XMM7c, XMM7d, XMM7e, XMM7f, XMM7g, XMM7h);
-reg_class zmm7_reg(XMM7, XMM7b, XMM7c, XMM7d, XMM7e, XMM7f, XMM7g, XMM7h, XMM7i, XMM7j, XMM7k, XMM7l, XMM7m, XMM7n, XMM7o, XMM7p);
-
-#ifdef _LP64
-
-reg_class xmm8_reg(XMM8, XMM8b, XMM8c, XMM8d);
-reg_class ymm8_reg(XMM8, XMM8b, XMM8c, XMM8d, XMM8e, XMM8f, XMM8g, XMM8h);
-reg_class zmm8_reg(XMM8, XMM8b, XMM8c, XMM8d, XMM8e, XMM8f, XMM8g, XMM8h, XMM8i, XMM8j, XMM8k, XMM8l, XMM8m, XMM8n, XMM8o, XMM8p);
-
-reg_class xmm9_reg(XMM9, XMM9b, XMM9c, XMM9d);
-reg_class ymm9_reg(XMM9, XMM9b, XMM9c, XMM9d, XMM9e, XMM9f, XMM9g, XMM9h);
-reg_class zmm9_reg(XMM9, XMM9b, XMM9c, XMM9d, XMM9e, XMM9f, XMM9g, XMM9h, XMM9i, XMM9j, XMM9k, XMM9l, XMM9m, XMM9n, XMM9o, XMM9p);
-
-reg_class xmm10_reg(XMM10, XMM10b, XMM10c, XMM10d);
-reg_class ymm10_reg(XMM10, XMM10b, XMM10c, XMM10d, XMM10e, XMM10f, XMM10g, XMM10h);
-reg_class zmm10_reg(XMM10, XMM10b, XMM10c, XMM10d, XMM10e, XMM10f, XMM10g, XMM10h, XMM10i, XMM10j, XMM10k, XMM10l, XMM10m, XMM10n, XMM10o, XMM10p);
-
-reg_class xmm11_reg(XMM11, XMM11b, XMM11c, XMM11d);
-reg_class ymm11_reg(XMM11, XMM11b, XMM11c, XMM11d, XMM11e, XMM11f, XMM11g, XMM11h);
-reg_class zmm11_reg(XMM11, XMM11b, XMM11c, XMM11d, XMM11e, XMM11f, XMM11g, XMM11h, XMM11i, XMM11j, XMM11k, XMM11l, XMM11m, XMM11n, XMM11o, XMM11p);
-
-reg_class xmm12_reg(XMM12, XMM12b, XMM12c, XMM12d);
-reg_class ymm12_reg(XMM12, XMM12b, XMM12c, XMM12d, XMM12e, XMM12f, XMM12g, XMM12h);
-reg_class zmm12_reg(XMM12, XMM12b, XMM12c, XMM12d, XMM12e, XMM12f, XMM12g, XMM12h, XMM12i, XMM12j, XMM12k, XMM12l, XMM12m, XMM12n, XMM12o, XMM12p);
-
-reg_class xmm13_reg(XMM13, XMM13b, XMM13c, XMM13d);
-reg_class ymm13_reg(XMM13, XMM13b, XMM13c, XMM13d, XMM13e, XMM13f, XMM13g, XMM13h);
-reg_class zmm13_reg(XMM13, XMM13b, XMM13c, XMM13d, XMM13e, XMM13f, XMM13g, XMM13h, XMM13i, XMM13j, XMM13k, XMM13l, XMM13m, XMM13n, XMM13o, XMM13p);
-
-reg_class xmm14_reg(XMM14, XMM14b, XMM14c, XMM14d);
-reg_class ymm14_reg(XMM14, XMM14b, XMM14c, XMM14d, XMM14e, XMM14f, XMM14g, XMM14h);
-reg_class zmm14_reg(XMM14, XMM14b, XMM14c, XMM14d, XMM14e, XMM14f, XMM14g, XMM14h, XMM14i, XMM14j, XMM14k, XMM14l, XMM14m, XMM14n, XMM14o, XMM14p);
-
-reg_class xmm15_reg(XMM15, XMM15b, XMM15c, XMM15d);
-reg_class ymm15_reg(XMM15, XMM15b, XMM15c, XMM15d, XMM15e, XMM15f, XMM15g, XMM15h);
-reg_class zmm15_reg(XMM15, XMM15b, XMM15c, XMM15d, XMM15e, XMM15f, XMM15g, XMM15h, XMM15i, XMM15j, XMM15k, XMM15l, XMM15m, XMM15n, XMM15o, XMM15p);
-
-reg_class xmm16_reg(XMM16, XMM16b, XMM16c, XMM16d);
-reg_class ymm16_reg(XMM16, XMM16b, XMM16c, XMM16d, XMM16e, XMM16f, XMM16g, XMM16h);
-reg_class zmm16_reg(XMM16, XMM16b, XMM16c, XMM16d, XMM16e, XMM16f, XMM16g, XMM16h, XMM16i, XMM16j, XMM16k, XMM16l, XMM16m, XMM16n, XMM16o, XMM16p);
-
-reg_class xmm17_reg(XMM17, XMM17b, XMM17c, XMM17d);
-reg_class ymm17_reg(XMM17, XMM17b, XMM17c, XMM17d, XMM17e, XMM17f, XMM17g, XMM17h);
-reg_class zmm17_reg(XMM17, XMM17b, XMM17c, XMM17d, XMM17e, XMM17f, XMM17g, XMM17h, XMM17i, XMM17j, XMM17k, XMM17l, XMM17m, XMM17n, XMM17o, XMM17p);
-
-reg_class xmm18_reg(XMM18, XMM18b, XMM18c, XMM18d);
-reg_class ymm18_reg(XMM18, XMM18b, XMM18c, XMM18d, XMM18e, XMM18f, XMM18g, XMM18h);
-reg_class zmm18_reg(XMM18, XMM18b, XMM18c, XMM18d, XMM18e, XMM18f, XMM18g, XMM18h, XMM18i, XMM18j, XMM18k, XMM18l, XMM18m, XMM18n, XMM18o, XMM18p);
-
-reg_class xmm19_reg(XMM19, XMM19b, XMM19c, XMM19d);
-reg_class ymm19_reg(XMM19, XMM19b, XMM19c, XMM19d, XMM19e, XMM19f, XMM19g, XMM19h);
-reg_class zmm19_reg(XMM19, XMM19b, XMM19c, XMM19d, XMM19e, XMM19f, XMM19g, XMM19h, XMM19i, XMM19j, XMM19k, XMM19l, XMM19m, XMM19n, XMM19o, XMM19p);
-
-reg_class xmm20_reg(XMM20, XMM20b, XMM20c, XMM20d);
-reg_class ymm20_reg(XMM20, XMM20b, XMM20c, XMM20d, XMM20e, XMM20f, XMM20g, XMM20h);
-reg_class zmm20_reg(XMM20, XMM20b, XMM20c, XMM20d, XMM20e, XMM20f, XMM20g, XMM20h, XMM20i, XMM20j, XMM20k, XMM20l, XMM20m, XMM20n, XMM20o, XMM20p);
-
-reg_class xmm21_reg(XMM21, XMM21b, XMM21c, XMM21d);
-reg_class ymm21_reg(XMM21, XMM21b, XMM21c, XMM21d, XMM21e, XMM21f, XMM21g, XMM21h);
-reg_class zmm21_reg(XMM21, XMM21b, XMM21c, XMM21d, XMM21e, XMM21f, XMM21g, XMM21h, XMM21i, XMM21j, XMM21k, XMM21l, XMM21m, XMM21n, XMM21o, XMM21p);
-
-reg_class xmm22_reg(XMM22, XMM22b, XMM22c, XMM22d);
-reg_class ymm22_reg(XMM22, XMM22b, XMM22c, XMM22d, XMM22e, XMM22f, XMM22g, XMM22h);
-reg_class zmm22_reg(XMM22, XMM22b, XMM22c, XMM22d, XMM22e, XMM22f, XMM22g, XMM22h, XMM22i, XMM22j, XMM22k, XMM22l, XMM22m, XMM22n, XMM22o, XMM22p);
-
-reg_class xmm23_reg(XMM23, XMM23b, XMM23c, XMM23d);
-reg_class ymm23_reg(XMM23, XMM23b, XMM23c, XMM23d, XMM23e, XMM23f, XMM23g, XMM23h);
-reg_class zmm23_reg(XMM23, XMM23b, XMM23c, XMM23d, XMM23e, XMM23f, XMM23g, XMM23h, XMM23i, XMM23j, XMM23k, XMM23l, XMM23m, XMM23n, XMM23o, XMM23p);
-
-reg_class xmm24_reg(XMM24, XMM24b, XMM24c, XMM24d);
-reg_class ymm24_reg(XMM24, XMM24b, XMM24c, XMM24d, XMM24e, XMM24f, XMM24g, XMM24h);
-reg_class zmm24_reg(XMM24, XMM24b, XMM24c, XMM24d, XMM24e, XMM24f, XMM24g, XMM24h, XMM24i, XMM24j, XMM24k, XMM24l, XMM24m, XMM24n, XMM24o, XMM24p);
-
-reg_class xmm25_reg(XMM25, XMM25b, XMM25c, XMM25d);
-reg_class ymm25_reg(XMM25, XMM25b, XMM25c, XMM25d, XMM25e, XMM25f, XMM25g, XMM25h);
-reg_class zmm25_reg(XMM25, XMM25b, XMM25c, XMM25d, XMM25e, XMM25f, XMM25g, XMM25h, XMM25i, XMM25j, XMM25k, XMM25l, XMM25m, XMM25n, XMM25o, XMM25p);
-
-reg_class xmm26_reg(XMM26, XMM26b, XMM26c, XMM26d);
-reg_class ymm26_reg(XMM26, XMM26b, XMM26c, XMM26d, XMM26e, XMM26f, XMM26g, XMM26h);
-reg_class zmm26_reg(XMM26, XMM26b, XMM26c, XMM26d, XMM26e, XMM26f, XMM26g, XMM26h, XMM26i, XMM26j, XMM26k, XMM26l, XMM26m, XMM26n, XMM26o, XMM26p);
-
-reg_class xmm27_reg(XMM27, XMM27b, XMM27c, XMM27d);
-reg_class ymm27_reg(XMM27, XMM27b, XMM27c, XMM27d, XMM27e, XMM27f, XMM27g, XMM27h);
-reg_class zmm27_reg(XMM27, XMM27b, XMM27c, XMM27d, XMM27e, XMM27f, XMM27g, XMM27h, XMM27i, XMM27j, XMM27k, XMM27l, XMM27m, XMM27n, XMM27o, XMM27p);
-
-reg_class xmm28_reg(XMM28, XMM28b, XMM28c, XMM28d);
-reg_class ymm28_reg(XMM28, XMM28b, XMM28c, XMM28d, XMM28e, XMM28f, XMM28g, XMM28h);
-reg_class zmm28_reg(XMM28, XMM28b, XMM28c, XMM28d, XMM28e, XMM28f, XMM28g, XMM28h, XMM28i, XMM28j, XMM28k, XMM28l, XMM28m, XMM28n, XMM28o, XMM28p);
-
-reg_class xmm29_reg(XMM29, XMM29b, XMM29c, XMM29d);
-reg_class ymm29_reg(XMM29, XMM29b, XMM29c, XMM29d, XMM29e, XMM29f, XMM29g, XMM29h);
-reg_class zmm29_reg(XMM29, XMM29b, XMM29c, XMM29d, XMM29e, XMM29f, XMM29g, XMM29h, XMM29i, XMM29j, XMM29k, XMM29l, XMM29m, XMM29n, XMM29o, XMM29p);
-
-reg_class xmm30_reg(XMM30, XMM30b, XMM30c, XMM30d);
-reg_class ymm30_reg(XMM30, XMM30b, XMM30c, XMM30d, XMM30e, XMM30f, XMM30g, XMM30h);
-reg_class zmm30_reg(XMM30, XMM30b, XMM30c, XMM30d, XMM30e, XMM30f, XMM30g, XMM30h, XMM30i, XMM30j, XMM30k, XMM30l, XMM30m, XMM30n, XMM30o, XMM30p);
-
-reg_class xmm31_reg(XMM31, XMM31b, XMM31c, XMM31d);
-reg_class ymm31_reg(XMM31, XMM31b, XMM31c, XMM31d, XMM31e, XMM31f, XMM31g, XMM31h);
-reg_class zmm31_reg(XMM31, XMM31b, XMM31c, XMM31d, XMM31e, XMM31f, XMM31g, XMM31h, XMM31i, XMM31j, XMM31k, XMM31l, XMM31m, XMM31n, XMM31o, XMM31p);
-
-#endif
-
 %}
 
 
@@ -1412,7 +1280,7 @@
     case Op_AbsVS:
     case Op_AbsVI:
     case Op_AddReductionVI:
-      if (UseSSE < 3) // requires at least SSE3
+      if (UseSSE < 3 || !VM_Version::supports_ssse3()) // requires at least SSSE3
         ret_value = false;
       break;
     case Op_MulReductionVI:
@@ -1800,8 +1668,8 @@
   return (UseAVX > 2) ? 6 : 4;
 }
 
-static int vec_spill_helper(CodeBuffer *cbuf, bool do_size, bool is_load,
-                            int stack_offset, int reg, uint ireg, outputStream* st) {
+int vec_spill_helper(CodeBuffer *cbuf, bool do_size, bool is_load,
+                     int stack_offset, int reg, uint ireg, outputStream* st) {
   // In 64-bit VM size calculation is very complex. Emitting instructions
   // into scratch buffer is used to get size in 64-bit VM.
   LP64_ONLY( assert(!do_size, "this method calculates size only for 32-bit VM"); )
--- a/src/hotspot/cpu/x86/x86_64.ad	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/cpu/x86/x86_64.ad	Wed Oct 16 15:31:05 2019 +0200
@@ -1058,8 +1058,8 @@
 static int vec_mov_helper(CodeBuffer *cbuf, bool do_size, int src_lo, int dst_lo,
                           int src_hi, int dst_hi, uint ireg, outputStream* st);
 
-static int vec_spill_helper(CodeBuffer *cbuf, bool do_size, bool is_load,
-                            int stack_offset, int reg, uint ireg, outputStream* st);
+int vec_spill_helper(CodeBuffer *cbuf, bool do_size, bool is_load,
+                     int stack_offset, int reg, uint ireg, outputStream* st);
 
 static void vec_stack_to_stack_helper(CodeBuffer *cbuf, int src_offset,
                                       int dst_offset, uint ireg, outputStream* st) {
@@ -4260,200 +4260,6 @@
   %}
 %}
 
-// Operands for bound floating pointer register arguments
-operand rxmm0() %{
-  constraint(ALLOC_IN_RC(xmm0_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm1() %{
-  constraint(ALLOC_IN_RC(xmm1_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm2() %{
-  constraint(ALLOC_IN_RC(xmm2_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm3() %{
-  constraint(ALLOC_IN_RC(xmm3_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm4() %{
-  constraint(ALLOC_IN_RC(xmm4_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm5() %{
-  constraint(ALLOC_IN_RC(xmm5_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm6() %{
-  constraint(ALLOC_IN_RC(xmm6_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm7() %{
-  constraint(ALLOC_IN_RC(xmm7_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm8() %{
-  constraint(ALLOC_IN_RC(xmm8_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm9() %{
-  constraint(ALLOC_IN_RC(xmm9_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm10() %{
-  constraint(ALLOC_IN_RC(xmm10_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm11() %{
-  constraint(ALLOC_IN_RC(xmm11_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm12() %{
-  constraint(ALLOC_IN_RC(xmm12_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm13() %{
-  constraint(ALLOC_IN_RC(xmm13_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm14() %{
-  constraint(ALLOC_IN_RC(xmm14_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm15() %{
-  constraint(ALLOC_IN_RC(xmm15_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm16() %{
-  constraint(ALLOC_IN_RC(xmm16_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm17() %{
-  constraint(ALLOC_IN_RC(xmm17_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm18() %{
-  constraint(ALLOC_IN_RC(xmm18_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm19() %{
-  constraint(ALLOC_IN_RC(xmm19_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm20() %{
-  constraint(ALLOC_IN_RC(xmm20_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm21() %{
-  constraint(ALLOC_IN_RC(xmm21_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm22() %{
-  constraint(ALLOC_IN_RC(xmm22_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm23() %{
-  constraint(ALLOC_IN_RC(xmm23_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm24() %{
-  constraint(ALLOC_IN_RC(xmm24_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm25() %{
-  constraint(ALLOC_IN_RC(xmm25_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm26() %{
-  constraint(ALLOC_IN_RC(xmm26_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm27() %{
-  constraint(ALLOC_IN_RC(xmm27_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm28() %{
-  constraint(ALLOC_IN_RC(xmm28_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm29() %{
-  constraint(ALLOC_IN_RC(xmm29_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm30() %{
-  constraint(ALLOC_IN_RC(xmm30_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-operand rxmm31() %{
-  constraint(ALLOC_IN_RC(xmm31_reg));
-  match(VecX);
-  format%{%}
-  interface(REG_INTER);
-%}
-
 //----------OPERAND CLASSES----------------------------------------------------
 // Operand Classes are groups of operands that are used as to simplify
 // instruction definitions by not requiring the AD writer to specify separate
@@ -5346,6 +5152,7 @@
 instruct loadP(rRegP dst, memory mem)
 %{
   match(Set dst (LoadP mem));
+  predicate(n->as_Load()->barrier_data() == 0);
 
   ins_cost(125); // XXX
   format %{ "movq    $dst, $mem\t# ptr" %}
@@ -7794,6 +7601,7 @@
                            rax_RegP oldval, rRegP newval,
                            rFlagsReg cr)
 %{
+  predicate(n->as_LoadStore()->barrier_data() == 0);
   match(Set cr (StorePConditional heap_top_ptr (Binary oldval newval)));
 
   format %{ "cmpxchgq $heap_top_ptr, $newval\t# (ptr) "
@@ -7845,7 +7653,7 @@
                          rax_RegP oldval, rRegP newval,
                          rFlagsReg cr)
 %{
-  predicate(VM_Version::supports_cx8());
+  predicate(VM_Version::supports_cx8() && n->as_LoadStore()->barrier_data() == 0);
   match(Set res (CompareAndSwapP mem_ptr (Binary oldval newval)));
   match(Set res (WeakCompareAndSwapP mem_ptr (Binary oldval newval)));
   effect(KILL cr, KILL oldval);
@@ -8087,7 +7895,7 @@
                          rax_RegP oldval, rRegP newval,
                          rFlagsReg cr)
 %{
-  predicate(VM_Version::supports_cx8());
+  predicate(VM_Version::supports_cx8() && n->as_LoadStore()->barrier_data() == 0);
   match(Set oldval (CompareAndExchangeP mem_ptr (Binary oldval newval)));
   effect(KILL cr);
 
@@ -8232,6 +8040,7 @@
 
 instruct xchgP( memory mem, rRegP newval) %{
   match(Set newval (GetAndSetP mem newval));
+  predicate(n->as_LoadStore()->barrier_data() == 0);
   format %{ "XCHGQ  $newval,[$mem]" %}
   ins_encode %{
     __ xchgq($newval$$Register, $mem$$Address);
@@ -11974,6 +11783,7 @@
 instruct compP_rReg_mem(rFlagsRegU cr, rRegP op1, memory op2)
 %{
   match(Set cr (CmpP op1 (LoadP op2)));
+  predicate(n->in(2)->as_Load()->barrier_data() == 0);
 
   ins_cost(500); // XXX
   format %{ "cmpq    $op1, $op2\t# ptr" %}
@@ -11999,7 +11809,8 @@
 // and raw pointers have no anti-dependencies.
 instruct compP_mem_rReg(rFlagsRegU cr, rRegP op1, memory op2)
 %{
-  predicate(n->in(2)->in(2)->bottom_type()->reloc() == relocInfo::none);
+  predicate(n->in(2)->in(2)->bottom_type()->reloc() == relocInfo::none &&
+            n->in(2)->as_Load()->barrier_data() == 0);
   match(Set cr (CmpP op1 (LoadP op2)));
 
   format %{ "cmpq    $op1, $op2\t# raw ptr" %}
@@ -12024,7 +11835,8 @@
 // any compare to a zero should be eq/neq.
 instruct testP_mem(rFlagsReg cr, memory op, immP0 zero)
 %{
-  predicate(!UseCompressedOops || (CompressedOops::base() != NULL));
+  predicate((!UseCompressedOops || (CompressedOops::base() != NULL)) &&
+            n->in(1)->as_Load()->barrier_data() == 0);
   match(Set cr (CmpP (LoadP op) zero));
 
   ins_cost(500); // XXX
@@ -12037,7 +11849,9 @@
 
 instruct testP_mem_reg0(rFlagsReg cr, memory mem, immP0 zero)
 %{
-  predicate(UseCompressedOops && (CompressedOops::base() == NULL) && (CompressedKlassPointers::base() == NULL));
+  predicate(UseCompressedOops && (CompressedOops::base() == NULL) &&
+            (CompressedKlassPointers::base() == NULL) &&
+            n->in(1)->as_Load()->barrier_data() == 0);
   match(Set cr (CmpP (LoadP mem) zero));
 
   format %{ "cmpq    R12, $mem\t# ptr (R12_heapbase==0)" %}
--- a/src/hotspot/os/aix/os_aix.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/os/aix/os_aix.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -132,18 +132,6 @@
 #define ERROR_MP_VMGETINFO_CLAIMS_NO_SUPPORT_FOR_64K 103
 
 // excerpts from systemcfg.h that might be missing on older os levels
-#ifndef PV_5_Compat
-  #define PV_5_Compat 0x0F8000   /* Power PC 5 */
-#endif
-#ifndef PV_6
-  #define PV_6 0x100000          /* Power PC 6 */
-#endif
-#ifndef PV_6_1
-  #define PV_6_1 0x100001        /* Power PC 6 DD1.x */
-#endif
-#ifndef PV_6_Compat
-  #define PV_6_Compat 0x108000   /* Power PC 6 */
-#endif
 #ifndef PV_7
   #define PV_7 0x200000          /* Power PC 7 */
 #endif
@@ -156,6 +144,13 @@
 #ifndef PV_8_Compat
   #define PV_8_Compat 0x308000   /* Power PC 8 */
 #endif
+#ifndef PV_9
+  #define PV_9 0x400000          /* Power PC 9 */
+#endif
+#ifndef PV_9_Compat
+  #define PV_9_Compat  0x408000  /* Power PC 9 */
+#endif
+
 
 static address resolve_function_descriptor_to_code_pointer(address p);
 
@@ -1386,15 +1381,7 @@
 void os::print_os_info(outputStream* st) {
   st->print("OS:");
 
-  st->print("uname:");
-  struct utsname name;
-  uname(&name);
-  st->print(name.sysname); st->print(" ");
-  st->print(name.nodename); st->print(" ");
-  st->print(name.release); st->print(" ");
-  st->print(name.version); st->print(" ");
-  st->print(name.machine);
-  st->cr();
+  os::Posix::print_uname_info(st);
 
   uint32_t ver = os::Aix::os_version();
   st->print_cr("AIX kernel version %u.%u.%u.%u",
@@ -1402,16 +1389,12 @@
 
   os::Posix::print_rlimit_info(st);
 
+  os::Posix::print_load_average(st);
+
   // _SC_THREAD_THREADS_MAX is the maximum number of threads within a process.
   long tmax = sysconf(_SC_THREAD_THREADS_MAX);
   st->print_cr("maximum #threads within a process:%ld", tmax);
 
-  // load average
-  st->print("load average:");
-  double loadavg[3] = {-1.L, -1.L, -1.L};
-  os::loadavg(loadavg, 3);
-  st->print_cr("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
-
   // print wpar info
   libperfstat::wparinfo_t wi;
   if (libperfstat::get_wparinfo(&wi)) {
@@ -1504,6 +1487,9 @@
 void os::get_summary_cpu_info(char* buf, size_t buflen) {
   // read _system_configuration.version
   switch (_system_configuration.version) {
+  case PV_9:
+    strncpy(buf, "Power PC 9", buflen);
+    break;
   case PV_8:
     strncpy(buf, "Power PC 8", buflen);
     break;
@@ -1537,6 +1523,9 @@
   case PV_8_Compat:
     strncpy(buf, "PV_8_Compat", buflen);
     break;
+  case PV_9_Compat:
+    strncpy(buf, "PV_9_Compat", buflen);
+    break;
   default:
     strncpy(buf, "unknown", buflen);
   }
@@ -2654,8 +2643,24 @@
   60              // 11 CriticalPriority
 };
 
+static int prio_init() {
+  if (ThreadPriorityPolicy == 1) {
+    if (geteuid() != 0) {
+      if (!FLAG_IS_DEFAULT(ThreadPriorityPolicy)) {
+        warning("-XX:ThreadPriorityPolicy=1 may require system level permission, " \
+                "e.g., being the root user. If the necessary permission is not " \
+                "possessed, changes to priority will be silently ignored.");
+      }
+    }
+  }
+  if (UseCriticalJavaThreadPriority) {
+    os::java_to_os_priority[MaxPriority] = os::java_to_os_priority[CriticalPriority];
+  }
+  return 0;
+}
+
 OSReturn os::set_native_priority(Thread* thread, int newpri) {
-  if (!UseThreadPriorities) return OS_OK;
+  if (!UseThreadPriorities || ThreadPriorityPolicy == 0) return OS_OK;
   pthread_t thr = thread->osthread()->pthread_id();
   int policy = SCHED_OTHER;
   struct sched_param param;
@@ -2670,7 +2675,7 @@
 }
 
 OSReturn os::get_native_priority(const Thread* const thread, int *priority_ptr) {
-  if (!UseThreadPriorities) {
+  if (!UseThreadPriorities || ThreadPriorityPolicy == 0) {
     *priority_ptr = java_to_os_priority[NormPriority];
     return OS_OK;
   }
@@ -2767,7 +2772,7 @@
     os::SuspendResume::State state = osthread->sr.suspended();
     if (state == os::SuspendResume::SR_SUSPENDED) {
       sigset_t suspend_set;  // signals for sigsuspend()
-
+      sigemptyset(&suspend_set);
       // get current set of blocked signals and unblock resume signal
       pthread_sigmask(SIG_BLOCK, NULL, &suspend_set);
       sigdelset(&suspend_set, SR_signum);
@@ -3053,6 +3058,7 @@
 
     // try to honor the signal mask
     sigset_t oset;
+    sigemptyset(&oset);
     pthread_sigmask(SIG_SETMASK, &(actp->sa_mask), &oset);
 
     // call into the chained handler
@@ -3063,7 +3069,7 @@
     }
 
     // restore the signal mask
-    pthread_sigmask(SIG_SETMASK, &oset, 0);
+    pthread_sigmask(SIG_SETMASK, &oset, NULL);
   }
   // Tell jvm's signal handler the signal is taken care of.
   return true;
@@ -3579,6 +3585,9 @@
     }
   }
 
+  // initialize thread priority policy
+  prio_init();
+
   return JNI_OK;
 }
 
@@ -4020,7 +4029,7 @@
 void os::pause() {
   char filename[MAX_PATH];
   if (PauseAtStartupFile && PauseAtStartupFile[0]) {
-    jio_snprintf(filename, MAX_PATH, PauseAtStartupFile);
+    jio_snprintf(filename, MAX_PATH, "%s", PauseAtStartupFile);
   } else {
     jio_snprintf(filename, MAX_PATH, "./vm.paused.%d", current_process_id());
   }
--- a/src/hotspot/os/bsd/os_bsd.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/os/bsd/os_bsd.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -3671,7 +3671,7 @@
 void os::pause() {
   char filename[MAX_PATH];
   if (PauseAtStartupFile && PauseAtStartupFile[0]) {
-    jio_snprintf(filename, MAX_PATH, PauseAtStartupFile);
+    jio_snprintf(filename, MAX_PATH, "%s", PauseAtStartupFile);
   } else {
     jio_snprintf(filename, MAX_PATH, "./vm.paused.%d", current_process_id());
   }
--- a/src/hotspot/os/posix/os_posix.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/os/posix/os_posix.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -373,8 +373,12 @@
 void os::Posix::print_load_average(outputStream* st) {
   st->print("load average:");
   double loadavg[3];
-  os::loadavg(loadavg, 3);
-  st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
+  int res = os::loadavg(loadavg, 3);
+  if (res != -1) {
+    st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
+  } else {
+    st->print(" Unavailable");
+  }
   st->cr();
 }
 
--- a/src/hotspot/os/solaris/os_solaris.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/os/solaris/os_solaris.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -4428,7 +4428,7 @@
 void os::pause() {
   char filename[MAX_PATH];
   if (PauseAtStartupFile && PauseAtStartupFile[0]) {
-    jio_snprintf(filename, MAX_PATH, PauseAtStartupFile);
+    jio_snprintf(filename, MAX_PATH, "%s", PauseAtStartupFile);
   } else {
     jio_snprintf(filename, MAX_PATH, "./vm.paused.%d", current_process_id());
   }
--- a/src/hotspot/os/windows/os_windows.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/os/windows/os_windows.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -4975,7 +4975,7 @@
 void os::pause() {
   char filename[MAX_PATH];
   if (PauseAtStartupFile && PauseAtStartupFile[0]) {
-    jio_snprintf(filename, MAX_PATH, PauseAtStartupFile);
+    jio_snprintf(filename, MAX_PATH, "%s", PauseAtStartupFile);
   } else {
     jio_snprintf(filename, MAX_PATH, "./vm.paused.%d", current_process_id());
   }
--- a/src/hotspot/share/adlc/formssel.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/adlc/formssel.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -773,11 +773,6 @@
        !strcmp(_matrule->_rChild->_opType,"CheckCastPP")  ||
        !strcmp(_matrule->_rChild->_opType,"GetAndSetP")   ||
        !strcmp(_matrule->_rChild->_opType,"GetAndSetN")   ||
-#if INCLUDE_ZGC
-       !strcmp(_matrule->_rChild->_opType,"ZGetAndSetP") ||
-       !strcmp(_matrule->_rChild->_opType,"ZCompareAndExchangeP") ||
-       !strcmp(_matrule->_rChild->_opType,"LoadBarrierSlowReg") ||
-#endif
 #if INCLUDE_SHENANDOAHGC
        !strcmp(_matrule->_rChild->_opType,"ShenandoahCompareAndExchangeP") ||
        !strcmp(_matrule->_rChild->_opType,"ShenandoahCompareAndExchangeN") ||
@@ -3510,9 +3505,6 @@
     "StoreCM",
     "GetAndSetB", "GetAndSetS", "GetAndAddI", "GetAndSetI", "GetAndSetP",
     "GetAndAddB", "GetAndAddS", "GetAndAddL", "GetAndSetL", "GetAndSetN",
-#if INCLUDE_ZGC
-    "ZGetAndSetP", "ZCompareAndSwapP", "ZCompareAndExchangeP", "ZWeakCompareAndSwapP",
-#endif
     "ClearArray"
   };
   int cnt = sizeof(needs_ideal_memory_list)/sizeof(char*);
--- a/src/hotspot/share/aot/aotCodeHeap.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/aot/aotCodeHeap.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -37,6 +37,7 @@
 #include "memory/allocation.inline.hpp"
 #include "memory/universe.hpp"
 #include "oops/compressedOops.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/method.inline.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/handles.inline.hpp"
--- a/src/hotspot/share/aot/aotCompiledMethod.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/aot/aotCompiledMethod.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 #include "compiler/compilerOracle.hpp"
 #include "gc/shared/cardTableBarrierSet.hpp"
 #include "gc/shared/collectedHeap.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/method.inline.hpp"
 #include "runtime/frame.inline.hpp"
 #include "runtime/handles.inline.hpp"
--- a/src/hotspot/share/c1/c1_GraphBuilder.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/c1/c1_GraphBuilder.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -33,13 +33,13 @@
 #include "ci/ciKlass.hpp"
 #include "ci/ciMemberName.hpp"
 #include "ci/ciUtilities.inline.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "compiler/compileBroker.hpp"
 #include "interpreter/bytecode.hpp"
 #include "jfr/jfrEvents.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/sharedRuntime.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/vm_version.hpp"
 #include "utilities/bitMap.inline.hpp"
 
--- a/src/hotspot/share/c1/c1_LIRGenerator.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/c1/c1_LIRGenerator.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -36,6 +36,7 @@
 #include "ci/ciUtilities.hpp"
 #include "gc/shared/barrierSet.hpp"
 #include "gc/shared/c1/barrierSetC1.hpp"
+#include "oops/klass.inline.hpp"
 #include "runtime/arguments.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "runtime/stubRoutines.hpp"
--- a/src/hotspot/share/c1/c1_Runtime1.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/c1/c1_Runtime1.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -37,6 +37,7 @@
 #include "code/pcDesc.hpp"
 #include "code/scopeDesc.hpp"
 #include "code/vtableStubs.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "compiler/disassembler.hpp"
 #include "gc/shared/barrierSet.hpp"
 #include "gc/shared/c1/barrierSetC1.hpp"
@@ -55,7 +56,6 @@
 #include "oops/oop.inline.hpp"
 #include "runtime/atomic.hpp"
 #include "runtime/biasedLocking.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/fieldDescriptor.inline.hpp"
 #include "runtime/frame.inline.hpp"
 #include "runtime/handles.inline.hpp"
--- a/src/hotspot/share/c1/c1_ValueStack.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/c1/c1_ValueStack.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -42,31 +42,21 @@
   verify();
 }
 
-
 ValueStack::ValueStack(ValueStack* copy_from, Kind kind, int bci)
   : _scope(copy_from->scope())
   , _caller_state(copy_from->caller_state())
   , _bci(bci)
   , _kind(kind)
-  , _locals()
-  , _stack()
+  , _locals(copy_from->locals_size_for_copy(kind))
+  , _stack(copy_from->stack_size_for_copy(kind))
   , _locks(copy_from->locks_size() == 0 ? NULL : new Values(copy_from->locks_size()))
 {
   assert(kind != EmptyExceptionState || !Compilation::current()->env()->should_retain_local_variables(), "need locals");
   if (kind != EmptyExceptionState) {
-    // only allocate space if we need to copy the locals-array
-    _locals = Values(copy_from->locals_size());
     _locals.appendAll(&copy_from->_locals);
   }
 
   if (kind != ExceptionState && kind != EmptyExceptionState) {
-    if (kind == Parsing) {
-      // stack will be modified, so reserve enough space to avoid resizing
-      _stack = Values(scope()->method()->max_stack());
-    } else {
-      // stack will not be modified, so do not waste space
-      _stack = Values(copy_from->stack_size());
-    }
     _stack.appendAll(&copy_from->_stack);
   }
 
@@ -77,6 +67,25 @@
   verify();
 }
 
+int ValueStack::locals_size_for_copy(Kind kind) const {
+  if (kind != EmptyExceptionState) {
+    return locals_size();
+  }
+  return 0;
+}
+
+int ValueStack::stack_size_for_copy(Kind kind) const {
+  if (kind != ExceptionState && kind != EmptyExceptionState) {
+    if (kind == Parsing) {
+      // stack will be modified, so reserve enough space to avoid resizing
+      return scope()->method()->max_stack();
+    } else {
+      // stack will not be modified, so do not waste space
+      return stack_size();
+    }
+  }
+  return 0;
+}
 
 bool ValueStack::is_same(ValueStack* s) {
   if (scope() != s->scope()) return false;
--- a/src/hotspot/share/c1/c1_ValueStack.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/c1/c1_ValueStack.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -65,6 +65,8 @@
   // for simplified copying
   ValueStack(ValueStack* copy_from, Kind kind, int bci);
 
+  int locals_size_for_copy(Kind kind) const;
+  int stack_size_for_copy(Kind kind) const;
  public:
   // creation
   ValueStack(IRScope* scope, ValueStack* caller_state);
--- a/src/hotspot/share/ci/ciEnv.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/ci/ciEnv.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -238,6 +238,7 @@
   _jvmti_can_access_local_variables     = JvmtiExport::can_access_local_variables();
   _jvmti_can_post_on_exceptions         = JvmtiExport::can_post_on_exceptions();
   _jvmti_can_pop_frame                  = JvmtiExport::can_pop_frame();
+  _jvmti_can_get_owned_monitor_info     = JvmtiExport::can_get_owned_monitor_info();
 }
 
 bool ciEnv::jvmti_state_changed() const {
@@ -262,6 +263,10 @@
       JvmtiExport::can_pop_frame()) {
     return true;
   }
+  if (!_jvmti_can_get_owned_monitor_info &&
+      JvmtiExport::can_get_owned_monitor_info()) {
+    return true;
+  }
 
   return false;
 }
--- a/src/hotspot/share/ci/ciEnv.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/ci/ciEnv.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -73,6 +73,7 @@
   bool  _jvmti_can_access_local_variables;
   bool  _jvmti_can_post_on_exceptions;
   bool  _jvmti_can_pop_frame;
+  bool  _jvmti_can_get_owned_monitor_info; // includes can_get_owned_monitor_stack_depth_info
 
   // Cache DTrace flags
   bool  _dtrace_extended_probes;
@@ -347,6 +348,7 @@
   }
   bool  jvmti_can_hotswap_or_post_breakpoint() const { return _jvmti_can_hotswap_or_post_breakpoint; }
   bool  jvmti_can_post_on_exceptions()         const { return _jvmti_can_post_on_exceptions; }
+  bool  jvmti_can_get_owned_monitor_info()     const { return _jvmti_can_get_owned_monitor_info; }
 
   // Cache DTrace flags
   void  cache_dtrace_flags();
--- a/src/hotspot/share/ci/ciMetadata.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/ci/ciMetadata.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -51,7 +51,6 @@
   virtual bool is_metadata() const          { return true; }
 
   virtual bool is_type() const              { return false; }
-  virtual bool is_cpcache() const           { return false; }
   virtual bool is_return_address() const    { return false; }
   virtual bool is_method() const            { return false; }
   virtual bool is_method_data() const       { return false; }
--- a/src/hotspot/share/classfile/classLoader.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/classfile/classLoader.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -57,7 +57,6 @@
 #include "oops/symbol.hpp"
 #include "prims/jvm_misc.hpp"
 #include "runtime/arguments.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/init.hpp"
 #include "runtime/interfaceSupport.inline.hpp"
--- a/src/hotspot/share/classfile/classLoader.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/classfile/classLoader.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -237,6 +237,8 @@
   CDS_ONLY(static ClassPathEntry* app_classpath_entries() {return _app_classpath_entries;})
   CDS_ONLY(static ClassPathEntry* module_path_entries() {return _module_path_entries;})
 
+  static bool has_bootclasspath_append() { return _first_append_entry != NULL; }
+
  protected:
   // Initialization:
   //   - setup the boot loader's system class path
--- a/src/hotspot/share/classfile/javaClasses.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/classfile/javaClasses.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -377,20 +377,24 @@
 
   if (_to_java_string_fn == NULL) {
     void *lib_handle = os::native_java_library();
-    _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "NewStringPlatform"));
+    _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, os::dll_lookup(lib_handle, "JNU_NewStringPlatform"));
     if (_to_java_string_fn == NULL) {
       fatal("NewStringPlatform missing");
     }
   }
 
   jstring js = NULL;
-  { JavaThread* thread = (JavaThread*)THREAD;
-    assert(thread->is_Java_thread(), "must be java thread");
+  {
+    assert(THREAD->is_Java_thread(), "must be java thread");
+    JavaThread* thread = (JavaThread*)THREAD;
     HandleMark hm(thread);
     ThreadToNativeFromVM ttn(thread);
     js = (_to_java_string_fn)(thread->jni_environment(), str);
   }
-  return Handle(THREAD, JNIHandles::resolve(js));
+
+  Handle native_platform_string(THREAD, JNIHandles::resolve(js));
+  JNIHandles::destroy_local(js);  // destroy local JNIHandle.
+  return native_platform_string;
 }
 
 // Converts a Java String to a native C string that can be used for
--- a/src/hotspot/share/classfile/systemDictionary.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/classfile/systemDictionary.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1205,10 +1205,8 @@
   TempNewSymbol pkg_name = NULL;
   PackageEntry* pkg_entry = NULL;
   ModuleEntry* mod_entry = NULL;
-  const char* pkg_string = NULL;
   pkg_name = InstanceKlass::package_from_name(class_name, CHECK_false);
   if (pkg_name != NULL) {
-    pkg_string = pkg_name->as_C_string();
     if (loader_data != NULL) {
       pkg_entry = loader_data->packages()->lookup_only(pkg_name);
     }
@@ -1245,7 +1243,7 @@
     // 3. or, the class is from an unamed module
     if (!ent->is_modules_image() && ik->is_shared_boot_class()) {
       // the class is from the -Xbootclasspath/a
-      if (pkg_string == NULL ||
+      if (pkg_name == NULL ||
           pkg_entry == NULL ||
           pkg_entry->in_unnamed_module()) {
         assert(mod_entry == NULL ||
@@ -1257,8 +1255,7 @@
     return false;
   } else {
     bool res = SystemDictionaryShared::is_shared_class_visible_for_classloader(
-              ik, class_loader, pkg_string, pkg_name,
-              pkg_entry, mod_entry, CHECK_(false));
+              ik, class_loader, pkg_name, pkg_entry, mod_entry, CHECK_(false));
     return res;
   }
 }
@@ -1432,6 +1429,11 @@
         // a named package within the unnamed module.  In all cases,
         // limit visibility to search for the class only in the boot
         // loader's append path.
+        if (!ClassLoader::has_bootclasspath_append()) {
+           // If there is no bootclasspath append entry, no need to continue
+           // searching.
+           return NULL;
+        }
         search_only_bootloader_append = true;
       }
     }
--- a/src/hotspot/share/classfile/systemDictionaryShared.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/classfile/systemDictionaryShared.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -657,7 +657,6 @@
 bool SystemDictionaryShared::is_shared_class_visible_for_classloader(
                                                      InstanceKlass* ik,
                                                      Handle class_loader,
-                                                     const char* pkg_string,
                                                      Symbol* pkg_name,
                                                      PackageEntry* pkg_entry,
                                                      ModuleEntry* mod_entry,
@@ -684,7 +683,7 @@
     }
   } else if (SystemDictionary::is_system_class_loader(class_loader())) {
     assert(ent != NULL, "shared class for system loader should have valid SharedClassPathEntry");
-    if (pkg_string == NULL) {
+    if (pkg_name == NULL) {
       // The archived class is in the unnamed package. Currently, the boot image
       // does not contain any class in the unnamed package.
       assert(!ent->is_modules_image(), "Class in the unnamed package must be from the classpath");
@@ -906,14 +905,9 @@
     return NULL;
   }
 
-  const RunTimeSharedClassInfo* record = find_record(&_unregistered_dictionary, class_name);
+  const RunTimeSharedClassInfo* record = find_record(&_unregistered_dictionary, &_dynamic_unregistered_dictionary, class_name);
   if (record == NULL) {
-    if (DynamicArchive::is_mapped()) {
-      record = find_record(&_dynamic_unregistered_dictionary, class_name);
-    }
-    if (record == NULL) {
-      return NULL;
-    }
+    return NULL;
   }
 
   int clsfile_size  = cfs->length();
@@ -1413,29 +1407,34 @@
 }
 
 const RunTimeSharedClassInfo*
-SystemDictionaryShared::find_record(RunTimeSharedDictionary* dict, Symbol* name) {
-  if (UseSharedSpaces) {
-    unsigned int hash = primitive_hash<Symbol*>(name);
-    return dict->lookup(name, hash, 0);
-  } else {
+SystemDictionaryShared::find_record(RunTimeSharedDictionary* static_dict, RunTimeSharedDictionary* dynamic_dict, Symbol* name) {
+  if (!UseSharedSpaces || !name->is_shared()) {
+    // The names of all shared classes must also be a shared Symbol.
     return NULL;
   }
+
+  unsigned int hash = primitive_hash<Symbol*>(name);
+  const RunTimeSharedClassInfo* record = NULL;
+  if (!MetaspaceShared::is_shared_dynamic(name)) {
+    // The names of all shared classes in the static dict must also be in the
+    // static archive
+    record = static_dict->lookup(name, hash, 0);
+  }
+
+  if (record == NULL && DynamicArchive::is_mapped()) {
+    record = dynamic_dict->lookup(name, hash, 0);
+  }
+
+  return record;
 }
 
 InstanceKlass* SystemDictionaryShared::find_builtin_class(Symbol* name) {
-  const RunTimeSharedClassInfo* record = find_record(&_builtin_dictionary, name);
-  if (record) {
+  const RunTimeSharedClassInfo* record = find_record(&_builtin_dictionary, &_dynamic_builtin_dictionary, name);
+  if (record != NULL) {
     return record->_klass;
+  } else {
+    return NULL;
   }
-
-  if (DynamicArchive::is_mapped()) {
-    record = find_record(&_dynamic_builtin_dictionary, name);
-    if (record) {
-      return record->_klass;
-    }
-  }
-
-  return NULL;
 }
 
 void SystemDictionaryShared::update_shared_entry(InstanceKlass* k, int id) {
--- a/src/hotspot/share/classfile/systemDictionaryShared.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/classfile/systemDictionaryShared.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -223,7 +223,9 @@
 public:
   static InstanceKlass* find_builtin_class(Symbol* class_name);
 
-  static const RunTimeSharedClassInfo* find_record(RunTimeSharedDictionary* dict, Symbol* name);
+  static const RunTimeSharedClassInfo* find_record(RunTimeSharedDictionary* static_dict,
+                                                   RunTimeSharedDictionary* dynamic_dict,
+                                                   Symbol* name);
 
   static bool has_platform_or_app_classes();
 
@@ -240,7 +242,6 @@
   static bool is_sharing_possible(ClassLoaderData* loader_data);
   static bool is_shared_class_visible_for_classloader(InstanceKlass* ik,
                                                       Handle class_loader,
-                                                      const char* pkg_string,
                                                       Symbol* pkg_name,
                                                       PackageEntry* pkg_entry,
                                                       ModuleEntry* mod_entry,
--- a/src/hotspot/share/classfile/verificationType.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/classfile/verificationType.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -28,6 +28,7 @@
 #include "classfile/verificationType.hpp"
 #include "classfile/verifier.hpp"
 #include "logging/log.hpp"
+#include "oops/klass.inline.hpp"
 #include "runtime/handles.inline.hpp"
 
 VerificationType VerificationType::from_tag(u1 tag) {
--- a/src/hotspot/share/classfile/verifier.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/classfile/verifier.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -63,29 +63,39 @@
 #define STATIC_METHOD_IN_INTERFACE_MAJOR_VERSION       52
 #define MAX_ARRAY_DIMENSIONS 255
 
-// Access to external entry for VerifyClassCodes - old byte code verifier
+// Access to external entry for VerifyClassForMajorVersion - old byte code verifier
 
 extern "C" {
-  typedef jboolean (*verify_byte_codes_fn_t)(JNIEnv *, jclass, char *, jint);
-  typedef jboolean (*verify_byte_codes_fn_new_t)(JNIEnv *, jclass, char *, jint, jint);
+  typedef jboolean (*verify_byte_codes_fn_t)(JNIEnv *, jclass, char *, jint, jint);
 }
 
-static void* volatile _verify_byte_codes_fn = NULL;
+static verify_byte_codes_fn_t volatile _verify_byte_codes_fn = NULL;
+
+static verify_byte_codes_fn_t verify_byte_codes_fn() {
 
-static volatile jint _is_new_verify_byte_codes_fn = (jint) true;
+  if (_verify_byte_codes_fn != NULL)
+    return _verify_byte_codes_fn;
+
+  MutexLocker locker(Verify_lock);
+
+  if (_verify_byte_codes_fn != NULL)
+    return _verify_byte_codes_fn;
 
-static void* verify_byte_codes_fn() {
-  if (OrderAccess::load_acquire(&_verify_byte_codes_fn) == NULL) {
-    void *lib_handle = os::native_java_library();
-    void *func = os::dll_lookup(lib_handle, "VerifyClassCodesForMajorVersion");
-    OrderAccess::release_store(&_verify_byte_codes_fn, func);
-    if (func == NULL) {
-      _is_new_verify_byte_codes_fn = false;
-      func = os::dll_lookup(lib_handle, "VerifyClassCodes");
-      OrderAccess::release_store(&_verify_byte_codes_fn, func);
-    }
-  }
-  return (void*)_verify_byte_codes_fn;
+  // Load verify dll
+  char buffer[JVM_MAXPATHLEN];
+  char ebuf[1024];
+  if (!os::dll_locate_lib(buffer, sizeof(buffer), Arguments::get_dll_dir(), "verify"))
+    return NULL; // Caller will throw VerifyError
+
+  void *lib_handle = os::dll_load(buffer, ebuf, sizeof(ebuf));
+  if (lib_handle == NULL)
+    return NULL; // Caller will throw VerifyError
+
+  void *fn = os::dll_lookup(lib_handle, "VerifyClassForMajorVersion");
+  if (fn == NULL)
+    return NULL; // Caller will throw VerifyError
+
+  return _verify_byte_codes_fn = CAST_TO_FN_PTR(verify_byte_codes_fn_t, fn);
 }
 
 
@@ -282,7 +292,7 @@
   JavaThread* thread = (JavaThread*)THREAD;
   JNIEnv *env = thread->jni_environment();
 
-  void* verify_func = verify_byte_codes_fn();
+  verify_byte_codes_fn_t verify_func = verify_byte_codes_fn();
 
   if (verify_func == NULL) {
     jio_snprintf(message, message_len, "Could not link verifier");
@@ -301,16 +311,7 @@
     // ThreadToNativeFromVM takes care of changing thread_state, so safepoint
     // code knows that we have left the VM
 
-    if (_is_new_verify_byte_codes_fn) {
-      verify_byte_codes_fn_new_t func =
-        CAST_TO_FN_PTR(verify_byte_codes_fn_new_t, verify_func);
-      result = (*func)(env, cls, message, (int)message_len,
-          klass->major_version());
-    } else {
-      verify_byte_codes_fn_t func =
-        CAST_TO_FN_PTR(verify_byte_codes_fn_t, verify_func);
-      result = (*func)(env, cls, message, (int)message_len);
-    }
+    result = (*verify_func)(env, cls, message, (int)message_len, klass->major_version());
   }
 
   JNIHandles::destroy_local(cls);
--- a/src/hotspot/share/code/codeCache.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/code/codeCache.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -33,6 +33,7 @@
 #include "code/icBuffer.hpp"
 #include "code/nmethod.hpp"
 #include "code/pcDesc.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "compiler/compileBroker.hpp"
 #include "jfr/jfrEvents.hpp"
 #include "logging/log.hpp"
@@ -46,7 +47,6 @@
 #include "oops/oop.inline.hpp"
 #include "oops/verifyOopClosure.hpp"
 #include "runtime/arguments.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/icache.hpp"
--- a/src/hotspot/share/code/compiledIC.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/code/compiledIC.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -741,4 +741,22 @@
   tty->cr();
 }
 
+void CompiledDirectStaticCall::verify_mt_safe(const methodHandle& callee, address entry,
+                                              NativeMovConstReg* method_holder,
+                                              NativeJump*        jump) {
+  // A generated lambda form might be deleted from the Lambdaform
+  // cache in MethodTypeForm.  If a jit compiled lambdaform method
+  // becomes not entrant and the cache access returns null, the new
+  // resolve will lead to a new generated LambdaForm.
+  Method* old_method = reinterpret_cast<Method*>(method_holder->data());
+  assert(old_method == NULL || old_method == callee() ||
+         callee->is_compiled_lambda_form() ||
+         !old_method->method_holder()->is_loader_alive() ||
+         old_method->is_old(),  // may be race patching deoptimized nmethod due to redefinition.
+         "a) MT-unsafe modification of inline cache");
+
+  address destination = jump->jump_destination();
+  assert(destination == (address)-1 || destination == entry,
+         "b) MT-unsafe modification of inline cache");
+}
 #endif // !PRODUCT
--- a/src/hotspot/share/code/compiledIC.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/code/compiledIC.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -402,6 +402,9 @@
 
   // Also used by CompiledIC
   void set_to_interpreted(const methodHandle& callee, address entry);
+  void verify_mt_safe(const methodHandle& callee, address entry,
+                      NativeMovConstReg* method_holder,
+                      NativeJump*        jump) PRODUCT_RETURN;
 #if INCLUDE_AOT
   void set_to_far(const methodHandle& callee, address entry);
 #endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/compiler/compilationPolicy.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,506 @@
+/*
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "classfile/classLoaderDataGraph.inline.hpp"
+#include "code/compiledIC.hpp"
+#include "code/nmethod.hpp"
+#include "code/scopeDesc.hpp"
+#include "compiler/compilationPolicy.hpp"
+#include "compiler/tieredThresholdPolicy.hpp"
+#include "interpreter/interpreter.hpp"
+#include "memory/resourceArea.hpp"
+#include "oops/methodData.hpp"
+#include "oops/method.inline.hpp"
+#include "oops/oop.inline.hpp"
+#include "prims/nativeLookup.hpp"
+#include "runtime/frame.hpp"
+#include "runtime/handles.inline.hpp"
+#include "runtime/stubRoutines.hpp"
+#include "runtime/thread.hpp"
+#include "runtime/vframe.hpp"
+#include "runtime/vmOperations.hpp"
+#include "utilities/events.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+#ifdef COMPILER1
+#include "c1/c1_Compiler.hpp"
+#endif
+#ifdef COMPILER2
+#include "opto/c2compiler.hpp"
+#endif
+
+CompilationPolicy* CompilationPolicy::_policy;
+
+// Determine compilation policy based on command line argument
+void compilationPolicy_init() {
+  #ifdef TIERED
+  if (TieredCompilation) {
+    CompilationPolicy::set_policy(new TieredThresholdPolicy());
+  } else {
+    CompilationPolicy::set_policy(new SimpleCompPolicy());
+  }
+  #else
+  CompilationPolicy::set_policy(new SimpleCompPolicy());
+  #endif
+
+  CompilationPolicy::policy()->initialize();
+}
+
+// Returns true if m must be compiled before executing it
+// This is intended to force compiles for methods (usually for
+// debugging) that would otherwise be interpreted for some reason.
+bool CompilationPolicy::must_be_compiled(const methodHandle& m, int comp_level) {
+  // Don't allow Xcomp to cause compiles in replay mode
+  if (ReplayCompiles) return false;
+
+  if (m->has_compiled_code()) return false;       // already compiled
+  if (!can_be_compiled(m, comp_level)) return false;
+
+  return !UseInterpreter ||                                              // must compile all methods
+         (UseCompiler && AlwaysCompileLoopMethods && m->has_loops() && CompileBroker::should_compile_new_jobs()); // eagerly compile loop methods
+}
+
+void CompilationPolicy::compile_if_required(const methodHandle& selected_method, TRAPS) {
+  if (must_be_compiled(selected_method)) {
+    // This path is unusual, mostly used by the '-Xcomp' stress test mode.
+
+    // Note: with several active threads, the must_be_compiled may be true
+    //       while can_be_compiled is false; remove assert
+    // assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile");
+    if (!THREAD->can_call_java() || THREAD->is_Compiler_thread()) {
+      // don't force compilation, resolve was on behalf of compiler
+      return;
+    }
+    if (selected_method->method_holder()->is_not_initialized()) {
+      // 'is_not_initialized' means not only '!is_initialized', but also that
+      // initialization has not been started yet ('!being_initialized')
+      // Do not force compilation of methods in uninitialized classes.
+      // Note that doing this would throw an assert later,
+      // in CompileBroker::compile_method.
+      // We sometimes use the link resolver to do reflective lookups
+      // even before classes are initialized.
+      return;
+    }
+    CompileBroker::compile_method(selected_method, InvocationEntryBci,
+        CompilationPolicy::policy()->initial_compile_level(),
+        methodHandle(), 0, CompileTask::Reason_MustBeCompiled, CHECK);
+  }
+}
+
+// Returns true if m is allowed to be compiled
+bool CompilationPolicy::can_be_compiled(const methodHandle& m, int comp_level) {
+  // allow any levels for WhiteBox
+  assert(WhiteBoxAPI || comp_level == CompLevel_all || is_compile(comp_level), "illegal compilation level");
+
+  if (m->is_abstract()) return false;
+  if (DontCompileHugeMethods && m->code_size() > HugeMethodLimit) return false;
+
+  // Math intrinsics should never be compiled as this can lead to
+  // monotonicity problems because the interpreter will prefer the
+  // compiled code to the intrinsic version.  This can't happen in
+  // production because the invocation counter can't be incremented
+  // but we shouldn't expose the system to this problem in testing
+  // modes.
+  if (!AbstractInterpreter::can_be_compiled(m)) {
+    return false;
+  }
+  if (comp_level == CompLevel_all) {
+    if (TieredCompilation) {
+      // enough to be compilable at any level for tiered
+      return !m->is_not_compilable(CompLevel_simple) || !m->is_not_compilable(CompLevel_full_optimization);
+    } else {
+      // must be compilable at available level for non-tiered
+      return !m->is_not_compilable(CompLevel_highest_tier);
+    }
+  } else if (is_compile(comp_level)) {
+    return !m->is_not_compilable(comp_level);
+  }
+  return false;
+}
+
+// Returns true if m is allowed to be osr compiled
+bool CompilationPolicy::can_be_osr_compiled(const methodHandle& m, int comp_level) {
+  bool result = false;
+  if (comp_level == CompLevel_all) {
+    if (TieredCompilation) {
+      // enough to be osr compilable at any level for tiered
+      result = !m->is_not_osr_compilable(CompLevel_simple) || !m->is_not_osr_compilable(CompLevel_full_optimization);
+    } else {
+      // must be osr compilable at available level for non-tiered
+      result = !m->is_not_osr_compilable(CompLevel_highest_tier);
+    }
+  } else if (is_compile(comp_level)) {
+    result = !m->is_not_osr_compilable(comp_level);
+  }
+  return (result && can_be_compiled(m, comp_level));
+}
+
+bool CompilationPolicy::is_compilation_enabled() {
+  // NOTE: CompileBroker::should_compile_new_jobs() checks for UseCompiler
+  return CompileBroker::should_compile_new_jobs();
+}
+
+CompileTask* CompilationPolicy::select_task_helper(CompileQueue* compile_queue) {
+  // Remove unloaded methods from the queue
+  for (CompileTask* task = compile_queue->first(); task != NULL; ) {
+    CompileTask* next = task->next();
+    if (task->is_unloaded()) {
+      compile_queue->remove_and_mark_stale(task);
+    }
+    task = next;
+  }
+#if INCLUDE_JVMCI
+  if (UseJVMCICompiler && !BackgroundCompilation) {
+    /*
+     * In blocking compilation mode, the CompileBroker will make
+     * compilations submitted by a JVMCI compiler thread non-blocking. These
+     * compilations should be scheduled after all blocking compilations
+     * to service non-compiler related compilations sooner and reduce the
+     * chance of such compilations timing out.
+     */
+    for (CompileTask* task = compile_queue->first(); task != NULL; task = task->next()) {
+      if (task->is_blocking()) {
+        return task;
+      }
+    }
+  }
+#endif
+  return compile_queue->first();
+}
+
+#ifndef PRODUCT
+void SimpleCompPolicy::trace_osr_completion(nmethod* osr_nm) {
+  if (TraceOnStackReplacement) {
+    if (osr_nm == NULL) tty->print_cr("compilation failed");
+    else tty->print_cr("nmethod " INTPTR_FORMAT, p2i(osr_nm));
+  }
+}
+#endif // !PRODUCT
+
+void SimpleCompPolicy::initialize() {
+  // Setup the compiler thread numbers
+  if (CICompilerCountPerCPU) {
+    // Example: if CICompilerCountPerCPU is true, then we get
+    // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine.
+    // May help big-app startup time.
+    _compiler_count = MAX2(log2_int(os::active_processor_count())-1,1);
+    // Make sure there is enough space in the code cache to hold all the compiler buffers
+    size_t buffer_size = 1;
+#ifdef COMPILER1
+    buffer_size = is_client_compilation_mode_vm() ? Compiler::code_buffer_size() : buffer_size;
+#endif
+#ifdef COMPILER2
+    buffer_size = is_server_compilation_mode_vm() ? C2Compiler::initial_code_buffer_size() : buffer_size;
+#endif
+    int max_count = (ReservedCodeCacheSize - (CodeCacheMinimumUseSpace DEBUG_ONLY(* 3))) / (int)buffer_size;
+    if (_compiler_count > max_count) {
+      // Lower the compiler count such that all buffers fit into the code cache
+      _compiler_count = MAX2(max_count, 1);
+    }
+    FLAG_SET_ERGO(CICompilerCount, _compiler_count);
+  } else {
+    _compiler_count = CICompilerCount;
+  }
+}
+
+// Note: this policy is used ONLY if TieredCompilation is off.
+// compiler_count() behaves the following way:
+// - with TIERED build (with both COMPILER1 and COMPILER2 defined) it should return
+//   zero for the c1 compilation levels in server compilation mode runs
+//   and c2 compilation levels in client compilation mode runs.
+// - with COMPILER2 not defined it should return zero for c2 compilation levels.
+// - with COMPILER1 not defined it should return zero for c1 compilation levels.
+// - if neither is defined - always return zero.
+int SimpleCompPolicy::compiler_count(CompLevel comp_level) {
+  assert(!TieredCompilation, "This policy should not be used with TieredCompilation");
+  if (COMPILER2_PRESENT(is_server_compilation_mode_vm() && is_c2_compile(comp_level) ||)
+      is_client_compilation_mode_vm() && is_c1_compile(comp_level)) {
+    return _compiler_count;
+  }
+  return 0;
+}
+
+void SimpleCompPolicy::reset_counter_for_invocation_event(const methodHandle& m) {
+  // Make sure invocation and backedge counter doesn't overflow again right away
+  // as would be the case for native methods.
+
+  // BUT also make sure the method doesn't look like it was never executed.
+  // Set carry bit and reduce counter's value to min(count, CompileThreshold/2).
+  MethodCounters* mcs = m->method_counters();
+  assert(mcs != NULL, "MethodCounters cannot be NULL for profiling");
+  mcs->invocation_counter()->set_carry();
+  mcs->backedge_counter()->set_carry();
+
+  assert(!m->was_never_executed(), "don't reset to 0 -- could be mistaken for never-executed");
+}
+
+void SimpleCompPolicy::reset_counter_for_back_branch_event(const methodHandle& m) {
+  // Delay next back-branch event but pump up invocation counter to trigger
+  // whole method compilation.
+  MethodCounters* mcs = m->method_counters();
+  assert(mcs != NULL, "MethodCounters cannot be NULL for profiling");
+  InvocationCounter* i = mcs->invocation_counter();
+  InvocationCounter* b = mcs->backedge_counter();
+
+  // Don't set invocation_counter's value too low otherwise the method will
+  // look like immature (ic < ~5300) which prevents the inlining based on
+  // the type profiling.
+  i->set(i->state(), CompileThreshold);
+  // Don't reset counter too low - it is used to check if OSR method is ready.
+  b->set(b->state(), CompileThreshold / 2);
+}
+
+//
+// CounterDecay
+//
+// Iterates through invocation counters and decrements them. This
+// is done at each safepoint.
+//
+class CounterDecay : public AllStatic {
+  static jlong _last_timestamp;
+  static void do_method(Method* m) {
+    MethodCounters* mcs = m->method_counters();
+    if (mcs != NULL) {
+      mcs->invocation_counter()->decay();
+    }
+  }
+public:
+  static void decay();
+  static bool is_decay_needed() {
+    return (os::javaTimeMillis() - _last_timestamp) > CounterDecayMinIntervalLength;
+  }
+};
+
+jlong CounterDecay::_last_timestamp = 0;
+
+void CounterDecay::decay() {
+  _last_timestamp = os::javaTimeMillis();
+
+  // This operation is going to be performed only at the end of a safepoint
+  // and hence GC's will not be going on, all Java mutators are suspended
+  // at this point and hence SystemDictionary_lock is also not needed.
+  assert(SafepointSynchronize::is_at_safepoint(), "can only be executed at a safepoint");
+  size_t nclasses = ClassLoaderDataGraph::num_instance_classes();
+  size_t classes_per_tick = nclasses * (CounterDecayMinIntervalLength * 1e-3 /
+                                        CounterHalfLifeTime);
+  for (size_t i = 0; i < classes_per_tick; i++) {
+    InstanceKlass* k = ClassLoaderDataGraph::try_get_next_class();
+    if (k != NULL) {
+      k->methods_do(do_method);
+    }
+  }
+}
+
+// Called at the end of the safepoint
+void SimpleCompPolicy::do_safepoint_work() {
+  if(UseCounterDecay && CounterDecay::is_decay_needed()) {
+    CounterDecay::decay();
+  }
+}
+
+void SimpleCompPolicy::reprofile(ScopeDesc* trap_scope, bool is_osr) {
+  ScopeDesc* sd = trap_scope;
+  MethodCounters* mcs;
+  InvocationCounter* c;
+  for (; !sd->is_top(); sd = sd->sender()) {
+    mcs = sd->method()->method_counters();
+    if (mcs != NULL) {
+      // Reset ICs of inlined methods, since they can trigger compilations also.
+      mcs->invocation_counter()->reset();
+    }
+  }
+  mcs = sd->method()->method_counters();
+  if (mcs != NULL) {
+    c = mcs->invocation_counter();
+    if (is_osr) {
+      // It was an OSR method, so bump the count higher.
+      c->set(c->state(), CompileThreshold);
+    } else {
+      c->reset();
+    }
+    mcs->backedge_counter()->reset();
+  }
+}
+
+// This method can be called by any component of the runtime to notify the policy
+// that it's recommended to delay the compilation of this method.
+void SimpleCompPolicy::delay_compilation(Method* method) {
+  MethodCounters* mcs = method->method_counters();
+  if (mcs != NULL) {
+    mcs->invocation_counter()->decay();
+    mcs->backedge_counter()->decay();
+  }
+}
+
+void SimpleCompPolicy::disable_compilation(Method* method) {
+  MethodCounters* mcs = method->method_counters();
+  if (mcs != NULL) {
+    mcs->invocation_counter()->set_state(InvocationCounter::wait_for_nothing);
+    mcs->backedge_counter()->set_state(InvocationCounter::wait_for_nothing);
+  }
+}
+
+CompileTask* SimpleCompPolicy::select_task(CompileQueue* compile_queue) {
+  return select_task_helper(compile_queue);
+}
+
+bool SimpleCompPolicy::is_mature(Method* method) {
+  MethodData* mdo = method->method_data();
+  assert(mdo != NULL, "Should be");
+  uint current = mdo->mileage_of(method);
+  uint initial = mdo->creation_mileage();
+  if (current < initial)
+    return true;  // some sort of overflow
+  uint target;
+  if (ProfileMaturityPercentage <= 0)
+    target = (uint) -ProfileMaturityPercentage;  // absolute value
+  else
+    target = (uint)( (ProfileMaturityPercentage * CompileThreshold) / 100 );
+  return (current >= initial + target);
+}
+
+nmethod* SimpleCompPolicy::event(const methodHandle& method, const methodHandle& inlinee, int branch_bci,
+                                    int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread) {
+  assert(comp_level == CompLevel_none, "This should be only called from the interpreter");
+  NOT_PRODUCT(trace_frequency_counter_overflow(method, branch_bci, bci));
+  if (JvmtiExport::can_post_interpreter_events() && thread->is_interp_only_mode()) {
+    // If certain JVMTI events (e.g. frame pop event) are requested then the
+    // thread is forced to remain in interpreted code. This is
+    // implemented partly by a check in the run_compiled_code
+    // section of the interpreter whether we should skip running
+    // compiled code, and partly by skipping OSR compiles for
+    // interpreted-only threads.
+    if (bci != InvocationEntryBci) {
+      reset_counter_for_back_branch_event(method);
+      return NULL;
+    }
+  }
+  if (ReplayCompiles) {
+    // Don't trigger other compiles in testing mode
+    if (bci == InvocationEntryBci) {
+      reset_counter_for_invocation_event(method);
+    } else {
+      reset_counter_for_back_branch_event(method);
+    }
+    return NULL;
+  }
+
+  if (bci == InvocationEntryBci) {
+    // when code cache is full, compilation gets switched off, UseCompiler
+    // is set to false
+    if (!method->has_compiled_code() && UseCompiler) {
+      method_invocation_event(method, thread);
+    } else {
+      // Force counter overflow on method entry, even if no compilation
+      // happened.  (The method_invocation_event call does this also.)
+      reset_counter_for_invocation_event(method);
+    }
+    // compilation at an invocation overflow no longer goes and retries test for
+    // compiled method. We always run the loser of the race as interpreted.
+    // so return NULL
+    return NULL;
+  } else {
+    // counter overflow in a loop => try to do on-stack-replacement
+    nmethod* osr_nm = method->lookup_osr_nmethod_for(bci, CompLevel_highest_tier, true);
+    NOT_PRODUCT(trace_osr_request(method, osr_nm, bci));
+    // when code cache is full, we should not compile any more...
+    if (osr_nm == NULL && UseCompiler) {
+      method_back_branch_event(method, bci, thread);
+      osr_nm = method->lookup_osr_nmethod_for(bci, CompLevel_highest_tier, true);
+    }
+    if (osr_nm == NULL) {
+      reset_counter_for_back_branch_event(method);
+      return NULL;
+    }
+    return osr_nm;
+  }
+  return NULL;
+}
+
+#ifndef PRODUCT
+void SimpleCompPolicy::trace_frequency_counter_overflow(const methodHandle& m, int branch_bci, int bci) {
+  if (TraceInvocationCounterOverflow) {
+    MethodCounters* mcs = m->method_counters();
+    assert(mcs != NULL, "MethodCounters cannot be NULL for profiling");
+    InvocationCounter* ic = mcs->invocation_counter();
+    InvocationCounter* bc = mcs->backedge_counter();
+    ResourceMark rm;
+    if (bci == InvocationEntryBci) {
+      tty->print("comp-policy cntr ovfl @ %d in entry of ", bci);
+    } else {
+      tty->print("comp-policy cntr ovfl @ %d in loop of ", bci);
+    }
+    m->print_value();
+    tty->cr();
+    ic->print();
+    bc->print();
+    if (ProfileInterpreter) {
+      if (bci != InvocationEntryBci) {
+        MethodData* mdo = m->method_data();
+        if (mdo != NULL) {
+          ProfileData *pd = mdo->bci_to_data(branch_bci);
+          if (pd == NULL) {
+            tty->print_cr("back branch count = N/A (missing ProfileData)");
+          } else {
+            tty->print_cr("back branch count = %d", pd->as_JumpData()->taken());
+          }
+        }
+      }
+    }
+  }
+}
+
+void SimpleCompPolicy::trace_osr_request(const methodHandle& method, nmethod* osr, int bci) {
+  if (TraceOnStackReplacement) {
+    ResourceMark rm;
+    tty->print(osr != NULL ? "Reused OSR entry for " : "Requesting OSR entry for ");
+    method->print_short_name(tty);
+    tty->print_cr(" at bci %d", bci);
+  }
+}
+#endif // !PRODUCT
+
+void SimpleCompPolicy::method_invocation_event(const methodHandle& m, JavaThread* thread) {
+  const int comp_level = CompLevel_highest_tier;
+  const int hot_count = m->invocation_count();
+  reset_counter_for_invocation_event(m);
+
+  if (is_compilation_enabled() && can_be_compiled(m, comp_level)) {
+    CompiledMethod* nm = m->code();
+    if (nm == NULL ) {
+      CompileBroker::compile_method(m, InvocationEntryBci, comp_level, m, hot_count, CompileTask::Reason_InvocationCount, thread);
+    }
+  }
+}
+
+void SimpleCompPolicy::method_back_branch_event(const methodHandle& m, int bci, JavaThread* thread) {
+  const int comp_level = CompLevel_highest_tier;
+  const int hot_count = m->backedge_count();
+
+  if (is_compilation_enabled() && can_be_osr_compiled(m, comp_level)) {
+    CompileBroker::compile_method(m, bci, comp_level, m, hot_count, CompileTask::Reason_BackedgeCount, thread);
+    NOT_PRODUCT(trace_osr_completion(m->lookup_osr_nmethod_for(bci, comp_level, true));)
+  }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/compiler/compilationPolicy.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_COMPILER_COMPILATIONPOLICY_HPP
+#define SHARE_COMPILER_COMPILATIONPOLICY_HPP
+
+#include "code/nmethod.hpp"
+#include "compiler/compileBroker.hpp"
+#include "memory/allocation.hpp"
+#include "runtime/vmOperations.hpp"
+#include "utilities/growableArray.hpp"
+
+// The CompilationPolicy selects which method (if any) should be compiled.
+// It also decides which methods must always be compiled (i.e., are never
+// interpreted).
+class CompileTask;
+class CompileQueue;
+
+class CompilationPolicy : public CHeapObj<mtCompiler> {
+  static CompilationPolicy* _policy;
+
+  // m must be compiled before executing it
+  static bool must_be_compiled(const methodHandle& m, int comp_level = CompLevel_all);
+
+public:
+  // If m must_be_compiled then request a compilation from the CompileBroker.
+  // This supports the -Xcomp option.
+  static void compile_if_required(const methodHandle& m, TRAPS);
+
+  // m is allowed to be compiled
+  static bool can_be_compiled(const methodHandle& m, int comp_level = CompLevel_all);
+  // m is allowed to be osr compiled
+  static bool can_be_osr_compiled(const methodHandle& m, int comp_level = CompLevel_all);
+  static bool is_compilation_enabled();
+  static void set_policy(CompilationPolicy* policy) { _policy = policy; }
+  static CompilationPolicy* policy()                { return _policy; }
+
+  static CompileTask* select_task_helper(CompileQueue* compile_queue);
+
+  // Return initial compile level that is used with Xcomp
+  virtual CompLevel initial_compile_level() = 0;
+  virtual int compiler_count(CompLevel comp_level) = 0;
+  // main notification entry, return a pointer to an nmethod if the OSR is required,
+  // returns NULL otherwise.
+  virtual nmethod* event(const methodHandle& method, const methodHandle& inlinee, int branch_bci, int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread) = 0;
+  // safepoint() is called at the end of the safepoint
+  virtual void do_safepoint_work() = 0;
+  // reprofile request
+  virtual void reprofile(ScopeDesc* trap_scope, bool is_osr) = 0;
+  // delay_compilation(method) can be called by any component of the runtime to notify the policy
+  // that it's recommended to delay the compilation of this method.
+  virtual void delay_compilation(Method* method) = 0;
+  // disable_compilation() is called whenever the runtime decides to disable compilation of the
+  // specified method.
+  virtual void disable_compilation(Method* method) = 0;
+  // Select task is called by CompileBroker. The queue is guaranteed to have at least one
+  // element and is locked. The function should select one and return it.
+  virtual CompileTask* select_task(CompileQueue* compile_queue) = 0;
+  // Tell the runtime if we think a given method is adequately profiled.
+  virtual bool is_mature(Method* method) = 0;
+  // Do policy initialization
+  virtual void initialize() = 0;
+  virtual bool should_not_inline(ciEnv* env, ciMethod* method) { return false; }
+};
+
+// A simple compilation policy.
+class SimpleCompPolicy : public CompilationPolicy {
+  int _compiler_count;
+ private:
+  static void trace_frequency_counter_overflow(const methodHandle& m, int branch_bci, int bci);
+  static void trace_osr_request(const methodHandle& method, nmethod* osr, int bci);
+  static void trace_osr_completion(nmethod* osr_nm);
+  void reset_counter_for_invocation_event(const methodHandle& method);
+  void reset_counter_for_back_branch_event(const methodHandle& method);
+  void method_invocation_event(const methodHandle& m, JavaThread* thread);
+  void method_back_branch_event(const methodHandle& m, int bci, JavaThread* thread);
+ public:
+  SimpleCompPolicy() : _compiler_count(0) { }
+  virtual CompLevel initial_compile_level() { return CompLevel_highest_tier; }
+  virtual int compiler_count(CompLevel comp_level);
+  virtual void do_safepoint_work();
+  virtual void reprofile(ScopeDesc* trap_scope, bool is_osr);
+  virtual void delay_compilation(Method* method);
+  virtual void disable_compilation(Method* method);
+  virtual bool is_mature(Method* method);
+  virtual void initialize();
+  virtual CompileTask* select_task(CompileQueue* compile_queue);
+  virtual nmethod* event(const methodHandle& method, const methodHandle& inlinee, int branch_bci, int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread);
+};
+
+
+#endif // SHARE_COMPILER_COMPILATIONPOLICY_HPP
--- a/src/hotspot/share/compiler/compileBroker.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/compiler/compileBroker.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -30,6 +30,7 @@
 #include "code/codeCache.hpp"
 #include "code/codeHeapState.hpp"
 #include "code/dependencyContext.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "compiler/compileBroker.hpp"
 #include "compiler/compileLog.hpp"
 #include "compiler/compilerOracle.hpp"
@@ -48,7 +49,6 @@
 #include "prims/whitebox.hpp"
 #include "runtime/arguments.hpp"
 #include "runtime/atomic.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/init.hpp"
 #include "runtime/interfaceSupport.inline.hpp"
--- a/src/hotspot/share/compiler/compilerDirectives.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/compiler/compilerDirectives.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -66,8 +66,7 @@
     cflags(VectorizeDebug,          uintx, 0, VectorizeDebug) \
     cflags(CloneMapDebug,           bool, false, CloneMapDebug) \
     cflags(IGVPrintLevel,           intx, PrintIdealGraphLevel, IGVPrintLevel) \
-    cflags(MaxNodeLimit,            intx, MaxNodeLimit, MaxNodeLimit) \
-ZGC_ONLY(cflags(ZTraceLoadBarriers, bool, false, ZTraceLoadBarriers))
+    cflags(MaxNodeLimit,            intx, MaxNodeLimit, MaxNodeLimit)
 #else
   #define compilerdirectives_c2_flags(cflags)
 #endif
--- a/src/hotspot/share/compiler/oopMap.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/compiler/oopMap.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -48,29 +48,25 @@
 
 // OopMapStream
 
-OopMapStream::OopMapStream(OopMap* oop_map, int oop_types_mask) {
+OopMapStream::OopMapStream(OopMap* oop_map) {
   _stream = new CompressedReadStream(oop_map->write_stream()->buffer());
-  _mask = oop_types_mask;
   _size = oop_map->omv_count();
   _position = 0;
   _valid_omv = false;
 }
 
-OopMapStream::OopMapStream(const ImmutableOopMap* oop_map, int oop_types_mask) {
+OopMapStream::OopMapStream(const ImmutableOopMap* oop_map) {
   _stream = new CompressedReadStream(oop_map->data_addr());
-  _mask = oop_types_mask;
   _size = oop_map->count();
   _position = 0;
   _valid_omv = false;
 }
 
 void OopMapStream::find_next() {
-  while(_position++ < _size) {
+  if (_position++ < _size) {
     _omv.read_from(_stream);
-    if(((int)_omv.type() & _mask) > 0) {
-      _valid_omv = true;
-      return;
-    }
+    _valid_omv = true;
+    return;
   }
   _valid_omv = false;
 }
@@ -140,16 +136,7 @@
   assert( _locs_used[reg->value()] == OopMapValue::unused_value, "cannot insert twice" );
   debug_only( _locs_used[reg->value()] = x; )
 
-  OopMapValue o(reg, x);
-
-  if(x == OopMapValue::callee_saved_value) {
-    // This can never be a stack location, so we don't need to transform it.
-    assert(optional->is_reg(), "Trying to callee save a stack location");
-    o.set_content_reg(optional);
-  } else if(x == OopMapValue::derived_oop_value) {
-    o.set_content_reg(optional);
-  }
-
+  OopMapValue o(reg, x, optional);
   o.write_on(write_stream());
   increment_count();
 }
@@ -160,11 +147,6 @@
 }
 
 
-void OopMap::set_value(VMReg reg) {
-  // At this time, we don't need value entries in our OopMap.
-}
-
-
 void OopMap::set_narrowoop(VMReg reg) {
   set_xxx(reg, OopMapValue::narrowoop_value, VMRegImpl::Bad());
 }
@@ -328,7 +310,7 @@
   // changed before derived pointer offset has been collected)
   OopMapValue omv;
   {
-    OopMapStream oms(map,OopMapValue::derived_oop_value);
+    OopMapStream oms(map);
     if (!oms.is_done()) {
 #ifndef TIERED
       COMPILER1_PRESENT(ShouldNotReachHere();)
@@ -340,27 +322,28 @@
 #endif // !TIERED
       do {
         omv = oms.current();
-        oop* loc = fr->oopmapreg_to_location(omv.reg(),reg_map);
-        guarantee(loc != NULL, "missing saved register");
-        oop *derived_loc = loc;
-        oop *base_loc    = fr->oopmapreg_to_location(omv.content_reg(), reg_map);
-        // Ignore NULL oops and decoded NULL narrow oops which
-        // equal to CompressedOops::base() when a narrow oop
-        // implicit null check is used in compiled code.
-        // The narrow_oop_base could be NULL or be the address
-        // of the page below heap depending on compressed oops mode.
-        if (base_loc != NULL && *base_loc != NULL && !CompressedOops::is_base(*base_loc)) {
-          derived_oop_fn(base_loc, derived_loc);
+        if (omv.type() == OopMapValue::derived_oop_value) {
+          oop* loc = fr->oopmapreg_to_location(omv.reg(),reg_map);
+          guarantee(loc != NULL, "missing saved register");
+          oop *derived_loc = loc;
+          oop *base_loc    = fr->oopmapreg_to_location(omv.content_reg(), reg_map);
+          // Ignore NULL oops and decoded NULL narrow oops which
+          // equal to CompressedOops::base() when a narrow oop
+          // implicit null check is used in compiled code.
+          // The narrow_oop_base could be NULL or be the address
+          // of the page below heap depending on compressed oops mode.
+          if (base_loc != NULL && *base_loc != NULL && !CompressedOops::is_base(*base_loc)) {
+            derived_oop_fn(base_loc, derived_loc);
+          }
         }
         oms.next();
       }  while (!oms.is_done());
     }
   }
 
-  // We want coop and oop oop_types
-  int mask = OopMapValue::oop_value | OopMapValue::narrowoop_value;
   {
-    for (OopMapStream oms(map,mask); !oms.is_done(); oms.next()) {
+    // We want coop and oop oop_types
+    for (OopMapStream oms(map); !oms.is_done(); oms.next()) {
       omv = oms.current();
       oop* loc = fr->oopmapreg_to_location(omv.reg(),reg_map);
       // It should be an error if no location can be found for a
@@ -436,12 +419,14 @@
   assert(map != NULL, "no ptr map found");
   DEBUG_ONLY(int nof_callee = 0;)
 
-  for (OopMapStream oms(map, OopMapValue::callee_saved_value); !oms.is_done(); oms.next()) {
+  for (OopMapStream oms(map); !oms.is_done(); oms.next()) {
     OopMapValue omv = oms.current();
-    VMReg reg = omv.content_reg();
-    oop* loc = fr->oopmapreg_to_location(omv.reg(), reg_map);
-    reg_map->set_location(reg, (address) loc);
-    DEBUG_ONLY(nof_callee++;)
+    if (omv.type() == OopMapValue::callee_saved_value) {
+      VMReg reg = omv.content_reg();
+      oop* loc = fr->oopmapreg_to_location(omv.reg(), reg_map);
+      reg_map->set_location(reg, (address) loc);
+      DEBUG_ONLY(nof_callee++;)
+    }
   }
 
   // Check that runtime stubs save all callee-saved registers
@@ -452,25 +437,6 @@
 #endif // COMPILER2
 }
 
-//=============================================================================
-// Non-Product code
-
-#ifndef PRODUCT
-
-bool ImmutableOopMap::has_derived_pointer() const {
-#if !defined(TIERED) && !INCLUDE_JVMCI
-  COMPILER1_PRESENT(return false);
-#endif // !TIERED
-#if COMPILER2_OR_JVMCI
-  OopMapStream oms(this,OopMapValue::derived_oop_value);
-  return oms.is_done();
-#else
-  return false;
-#endif // COMPILER2_OR_JVMCI
-}
-
-#endif //PRODUCT
-
 // Printing code is present in product build for -XX:+PrintAssembly.
 
 static
--- a/src/hotspot/share/compiler/oopMap.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/compiler/oopMap.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -53,7 +53,7 @@
 
 public:
   // Constants
-  enum { type_bits                = 4,
+  enum { type_bits                = 2,
          register_bits            = BitsPerShort - type_bits };
 
   enum { type_shift               = 0,
@@ -64,19 +64,41 @@
          register_mask            = right_n_bits(register_bits),
          register_mask_in_place   = register_mask << register_shift };
 
-  enum oop_types {              // must fit in type_bits
-         unused_value =0,       // powers of 2, for masking OopMapStream
-         oop_value = 1,
-         narrowoop_value = 2,
-         callee_saved_value = 4,
-         derived_oop_value= 8 };
+  enum oop_types {
+         oop_value,
+         narrowoop_value,
+         callee_saved_value,
+         derived_oop_value,
+         unused_value = -1          // Only used as a sentinel value
+  };
 
   // Constructors
   OopMapValue () { set_value(0); set_content_reg(VMRegImpl::Bad()); }
-  OopMapValue (VMReg reg, oop_types t) { set_reg_type(reg, t); set_content_reg(VMRegImpl::Bad()); }
-  OopMapValue (VMReg reg, oop_types t, VMReg reg2) { set_reg_type(reg, t); set_content_reg(reg2); }
-  OopMapValue (CompressedReadStream* stream) { read_from(stream); }
+  OopMapValue (VMReg reg, oop_types t, VMReg reg2) {
+    set_reg_type(reg, t);
+    set_content_reg(reg2);
+  }
+
+ private:
+    void set_reg_type(VMReg p, oop_types t) {
+    set_value((p->value() << register_shift) | t);
+    assert(reg() == p, "sanity check" );
+    assert(type() == t, "sanity check" );
+  }
 
+  void set_content_reg(VMReg r) {
+    if (is_callee_saved()) {
+      // This can never be a stack location, so we don't need to transform it.
+      assert(r->is_reg(), "Trying to callee save a stack location");
+    } else if (is_derived_oop()) {
+      assert (r->is_valid(), "must have a valid VMReg");
+    } else {
+      assert (!r->is_valid(), "valid VMReg not allowed");
+    }
+    _content_reg = r->value();
+  }
+
+ public:
   // Archiving
   void write_on(CompressedWriteStream* stream) {
     stream->write_int(value());
@@ -94,15 +116,10 @@
 
   // Querying
   bool is_oop()               { return mask_bits(value(), type_mask_in_place) == oop_value; }
-  bool is_narrowoop()           { return mask_bits(value(), type_mask_in_place) == narrowoop_value; }
+  bool is_narrowoop()         { return mask_bits(value(), type_mask_in_place) == narrowoop_value; }
   bool is_callee_saved()      { return mask_bits(value(), type_mask_in_place) == callee_saved_value; }
   bool is_derived_oop()       { return mask_bits(value(), type_mask_in_place) == derived_oop_value; }
 
-  void set_oop()              { set_value((value() & register_mask_in_place) | oop_value); }
-  void set_narrowoop()          { set_value((value() & register_mask_in_place) | narrowoop_value); }
-  void set_callee_saved()     { set_value((value() & register_mask_in_place) | callee_saved_value); }
-  void set_derived_oop()      { set_value((value() & register_mask_in_place) | derived_oop_value); }
-
   VMReg reg() const { return VMRegImpl::as_VMReg(mask_bits(value(), register_mask_in_place) >> register_shift); }
   oop_types type() const      { return (oop_types)mask_bits(value(), type_mask_in_place); }
 
@@ -110,15 +127,7 @@
     return (p->value()  == (p->value() & register_mask));
   }
 
-  void set_reg_type(VMReg p, oop_types t) {
-    set_value((p->value() << register_shift) | t);
-    assert(reg() == p, "sanity check" );
-    assert(type() == t, "sanity check" );
-  }
-
-
   VMReg content_reg() const       { return VMRegImpl::as_VMReg(_content_reg, true); }
-  void set_content_reg(VMReg r)   { _content_reg = r->value(); }
 
   // Physical location queries
   bool is_register_loc()      { return reg()->is_reg(); }
@@ -156,6 +165,8 @@
   enum DeepCopyToken { _deep_copy_token };
   OopMap(DeepCopyToken, OopMap* source);  // used only by deep_copy
 
+  void set_xxx(VMReg reg, OopMapValue::oop_types x, VMReg optional);
+
  public:
   OopMap(int frame_size, int arg_count);
 
@@ -173,19 +184,14 @@
   // frame_size units are stack-slots (4 bytes) NOT intptr_t; we can name odd
   // slots to hold 4-byte values like ints and floats in the LP64 build.
   void set_oop  ( VMReg local);
-  void set_value( VMReg local);
   void set_narrowoop(VMReg local);
-  void set_dead ( VMReg local);
   void set_callee_saved( VMReg local, VMReg caller_machine_register );
   void set_derived_oop ( VMReg local, VMReg derived_from_local_register );
-  void set_xxx(VMReg reg, OopMapValue::oop_types x, VMReg optional);
 
   int heap_size() const;
   void copy_data_to(address addr) const;
   OopMap* deep_copy();
 
-  bool has_derived_pointer() const PRODUCT_RETURN0;
-
   bool legal_vm_reg_name(VMReg local) {
      return OopMapValue::legal_vm_reg_name(local);
   }
@@ -269,7 +275,6 @@
 public:
   ImmutableOopMap(const OopMap* oopmap);
 
-  bool has_derived_pointer() const PRODUCT_RETURN0;
   int count() const { return _count; }
 #ifdef ASSERT
   int nr_of_bytes() const; // this is an expensive operation, only used in debug builds
@@ -334,7 +339,6 @@
 class OopMapStream : public StackObj {
  private:
   CompressedReadStream* _stream;
-  int _mask;
   int _size;
   int _position;
   bool _valid_omv;
@@ -342,8 +346,8 @@
   void find_next();
 
  public:
-  OopMapStream(OopMap* oop_map, int oop_types_mask = OopMapValue::type_mask_in_place);
-  OopMapStream(const ImmutableOopMap* oop_map, int oop_types_mask = OopMapValue::type_mask_in_place);
+  OopMapStream(OopMap* oop_map);
+  OopMapStream(const ImmutableOopMap* oop_map);
   bool is_done()                        { if(!_valid_omv) { find_next(); } return !_valid_omv; }
   void next()                           { find_next(); }
   OopMapValue current()                 { return _omv; }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/compiler/tieredThresholdPolicy.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,1005 @@
+/*
+ * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "compiler/compileBroker.hpp"
+#include "compiler/compilerOracle.hpp"
+#include "compiler/tieredThresholdPolicy.hpp"
+#include "memory/resourceArea.hpp"
+#include "runtime/arguments.hpp"
+#include "runtime/handles.inline.hpp"
+#include "runtime/safepoint.hpp"
+#include "runtime/safepointVerifiers.hpp"
+#include "code/scopeDesc.hpp"
+#include "oops/method.inline.hpp"
+#if INCLUDE_JVMCI
+#include "jvmci/jvmci.hpp"
+#endif
+
+#ifdef TIERED
+
+#include "c1/c1_Compiler.hpp"
+#include "opto/c2compiler.hpp"
+
+template<CompLevel level>
+bool TieredThresholdPolicy::call_predicate_helper(int i, int b, double scale, Method* method) {
+  double threshold_scaling;
+  if (CompilerOracle::has_option_value(method, "CompileThresholdScaling", threshold_scaling)) {
+    scale *= threshold_scaling;
+  }
+  switch(level) {
+  case CompLevel_aot:
+    return (i >= Tier3AOTInvocationThreshold * scale) ||
+           (i >= Tier3AOTMinInvocationThreshold * scale && i + b >= Tier3AOTCompileThreshold * scale);
+  case CompLevel_none:
+  case CompLevel_limited_profile:
+    return (i >= Tier3InvocationThreshold * scale) ||
+           (i >= Tier3MinInvocationThreshold * scale && i + b >= Tier3CompileThreshold * scale);
+  case CompLevel_full_profile:
+   return (i >= Tier4InvocationThreshold * scale) ||
+          (i >= Tier4MinInvocationThreshold * scale && i + b >= Tier4CompileThreshold * scale);
+  }
+  return true;
+}
+
+template<CompLevel level>
+bool TieredThresholdPolicy::loop_predicate_helper(int i, int b, double scale, Method* method) {
+  double threshold_scaling;
+  if (CompilerOracle::has_option_value(method, "CompileThresholdScaling", threshold_scaling)) {
+    scale *= threshold_scaling;
+  }
+  switch(level) {
+  case CompLevel_aot:
+    return b >= Tier3AOTBackEdgeThreshold * scale;
+  case CompLevel_none:
+  case CompLevel_limited_profile:
+    return b >= Tier3BackEdgeThreshold * scale;
+  case CompLevel_full_profile:
+    return b >= Tier4BackEdgeThreshold * scale;
+  }
+  return true;
+}
+
+// Simple methods are as good being compiled with C1 as C2.
+// Determine if a given method is such a case.
+bool TieredThresholdPolicy::is_trivial(Method* method) {
+  if (method->is_accessor() ||
+      method->is_constant_getter()) {
+    return true;
+  }
+  return false;
+}
+
+bool TieredThresholdPolicy::should_compile_at_level_simple(Method* method) {
+  if (TieredThresholdPolicy::is_trivial(method)) {
+    return true;
+  }
+#if INCLUDE_JVMCI
+  if (UseJVMCICompiler) {
+    AbstractCompiler* comp = CompileBroker::compiler(CompLevel_full_optimization);
+    if (comp != NULL && comp->is_jvmci() && ((JVMCICompiler*) comp)->force_comp_at_level_simple(method)) {
+      return true;
+    }
+  }
+#endif
+  return false;
+}
+
+CompLevel TieredThresholdPolicy::comp_level(Method* method) {
+  CompiledMethod *nm = method->code();
+  if (nm != NULL && nm->is_in_use()) {
+    return (CompLevel)nm->comp_level();
+  }
+  return CompLevel_none;
+}
+
+void TieredThresholdPolicy::print_counters(const char* prefix, const methodHandle& mh) {
+  int invocation_count = mh->invocation_count();
+  int backedge_count = mh->backedge_count();
+  MethodData* mdh = mh->method_data();
+  int mdo_invocations = 0, mdo_backedges = 0;
+  int mdo_invocations_start = 0, mdo_backedges_start = 0;
+  if (mdh != NULL) {
+    mdo_invocations = mdh->invocation_count();
+    mdo_backedges = mdh->backedge_count();
+    mdo_invocations_start = mdh->invocation_count_start();
+    mdo_backedges_start = mdh->backedge_count_start();
+  }
+  tty->print(" %stotal=%d,%d %smdo=%d(%d),%d(%d)", prefix,
+      invocation_count, backedge_count, prefix,
+      mdo_invocations, mdo_invocations_start,
+      mdo_backedges, mdo_backedges_start);
+  tty->print(" %smax levels=%d,%d", prefix,
+      mh->highest_comp_level(), mh->highest_osr_comp_level());
+}
+
+// Print an event.
+void TieredThresholdPolicy::print_event(EventType type, const methodHandle& mh, const methodHandle& imh,
+                                        int bci, CompLevel level) {
+  bool inlinee_event = mh() != imh();
+
+  ttyLocker tty_lock;
+  tty->print("%lf: [", os::elapsedTime());
+
+  switch(type) {
+  case CALL:
+    tty->print("call");
+    break;
+  case LOOP:
+    tty->print("loop");
+    break;
+  case COMPILE:
+    tty->print("compile");
+    break;
+  case REMOVE_FROM_QUEUE:
+    tty->print("remove-from-queue");
+    break;
+  case UPDATE_IN_QUEUE:
+    tty->print("update-in-queue");
+    break;
+  case REPROFILE:
+    tty->print("reprofile");
+    break;
+  case MAKE_NOT_ENTRANT:
+    tty->print("make-not-entrant");
+    break;
+  default:
+    tty->print("unknown");
+  }
+
+  tty->print(" level=%d ", level);
+
+  ResourceMark rm;
+  char *method_name = mh->name_and_sig_as_C_string();
+  tty->print("[%s", method_name);
+  if (inlinee_event) {
+    char *inlinee_name = imh->name_and_sig_as_C_string();
+    tty->print(" [%s]] ", inlinee_name);
+  }
+  else tty->print("] ");
+  tty->print("@%d queues=%d,%d", bci, CompileBroker::queue_size(CompLevel_full_profile),
+                                      CompileBroker::queue_size(CompLevel_full_optimization));
+
+  print_specific(type, mh, imh, bci, level);
+
+  if (type != COMPILE) {
+    print_counters("", mh);
+    if (inlinee_event) {
+      print_counters("inlinee ", imh);
+    }
+    tty->print(" compilable=");
+    bool need_comma = false;
+    if (!mh->is_not_compilable(CompLevel_full_profile)) {
+      tty->print("c1");
+      need_comma = true;
+    }
+    if (!mh->is_not_osr_compilable(CompLevel_full_profile)) {
+      if (need_comma) tty->print(",");
+      tty->print("c1-osr");
+      need_comma = true;
+    }
+    if (!mh->is_not_compilable(CompLevel_full_optimization)) {
+      if (need_comma) tty->print(",");
+      tty->print("c2");
+      need_comma = true;
+    }
+    if (!mh->is_not_osr_compilable(CompLevel_full_optimization)) {
+      if (need_comma) tty->print(",");
+      tty->print("c2-osr");
+    }
+    tty->print(" status=");
+    if (mh->queued_for_compilation()) {
+      tty->print("in-queue");
+    } else tty->print("idle");
+  }
+  tty->print_cr("]");
+}
+
+void TieredThresholdPolicy::initialize() {
+  int count = CICompilerCount;
+  bool c1_only = TieredStopAtLevel < CompLevel_full_optimization;
+#ifdef _LP64
+  // Turn on ergonomic compiler count selection
+  if (FLAG_IS_DEFAULT(CICompilerCountPerCPU) && FLAG_IS_DEFAULT(CICompilerCount)) {
+    FLAG_SET_DEFAULT(CICompilerCountPerCPU, true);
+  }
+  if (CICompilerCountPerCPU) {
+    // Simple log n seems to grow too slowly for tiered, try something faster: log n * log log n
+    int log_cpu = log2_int(os::active_processor_count());
+    int loglog_cpu = log2_int(MAX2(log_cpu, 1));
+    count = MAX2(log_cpu * loglog_cpu * 3 / 2, 2);
+    // Make sure there is enough space in the code cache to hold all the compiler buffers
+    size_t c1_size = Compiler::code_buffer_size();
+    size_t c2_size = C2Compiler::initial_code_buffer_size();
+    size_t buffer_size = c1_only ? c1_size : (c1_size/3 + 2*c2_size/3);
+    int max_count = (ReservedCodeCacheSize - (CodeCacheMinimumUseSpace DEBUG_ONLY(* 3))) / (int)buffer_size;
+    if (count > max_count) {
+      // Lower the compiler count such that all buffers fit into the code cache
+      count = MAX2(max_count, c1_only ? 1 : 2);
+    }
+    FLAG_SET_ERGO(CICompilerCount, count);
+  }
+#else
+  // On 32-bit systems, the number of compiler threads is limited to 3.
+  // On these systems, the virtual address space available to the JVM
+  // is usually limited to 2-4 GB (the exact value depends on the platform).
+  // As the compilers (especially C2) can consume a large amount of
+  // memory, scaling the number of compiler threads with the number of
+  // available cores can result in the exhaustion of the address space
+  /// available to the VM and thus cause the VM to crash.
+  if (FLAG_IS_DEFAULT(CICompilerCount)) {
+    count = 3;
+    FLAG_SET_ERGO(CICompilerCount, count);
+  }
+#endif
+
+  if (c1_only) {
+    // No C2 compiler thread required
+    set_c1_count(count);
+  } else {
+    set_c1_count(MAX2(count / 3, 1));
+    set_c2_count(MAX2(count - c1_count(), 1));
+  }
+  assert(count == c1_count() + c2_count(), "inconsistent compiler thread count");
+
+  // Some inlining tuning
+#ifdef X86
+  if (FLAG_IS_DEFAULT(InlineSmallCode)) {
+    FLAG_SET_DEFAULT(InlineSmallCode, 2000);
+  }
+#endif
+
+#if defined SPARC || defined AARCH64
+  if (FLAG_IS_DEFAULT(InlineSmallCode)) {
+    FLAG_SET_DEFAULT(InlineSmallCode, 2500);
+  }
+#endif
+
+  set_increase_threshold_at_ratio();
+  set_start_time(os::javaTimeMillis());
+}
+
+void TieredThresholdPolicy::set_carry_if_necessary(InvocationCounter *counter) {
+  if (!counter->carry() && counter->count() > InvocationCounter::count_limit / 2) {
+    counter->set_carry_flag();
+  }
+}
+
+// Set carry flags on the counters if necessary
+void TieredThresholdPolicy::handle_counter_overflow(Method* method) {
+  MethodCounters *mcs = method->method_counters();
+  if (mcs != NULL) {
+    set_carry_if_necessary(mcs->invocation_counter());
+    set_carry_if_necessary(mcs->backedge_counter());
+  }
+  MethodData* mdo = method->method_data();
+  if (mdo != NULL) {
+    set_carry_if_necessary(mdo->invocation_counter());
+    set_carry_if_necessary(mdo->backedge_counter());
+  }
+}
+
+// Called with the queue locked and with at least one element
+CompileTask* TieredThresholdPolicy::select_task(CompileQueue* compile_queue) {
+  CompileTask *max_blocking_task = NULL;
+  CompileTask *max_task = NULL;
+  Method* max_method = NULL;
+  jlong t = os::javaTimeMillis();
+  // Iterate through the queue and find a method with a maximum rate.
+  for (CompileTask* task = compile_queue->first(); task != NULL;) {
+    CompileTask* next_task = task->next();
+    Method* method = task->method();
+    // If a method was unloaded or has been stale for some time, remove it from the queue.
+    // Blocking tasks and tasks submitted from whitebox API don't become stale
+    if (task->is_unloaded() || (task->can_become_stale() && is_stale(t, TieredCompileTaskTimeout, method) && !is_old(method))) {
+      if (!task->is_unloaded()) {
+        if (PrintTieredEvents) {
+          print_event(REMOVE_FROM_QUEUE, method, method, task->osr_bci(), (CompLevel) task->comp_level());
+        }
+        method->clear_queued_for_compilation();
+      }
+      compile_queue->remove_and_mark_stale(task);
+      task = next_task;
+      continue;
+    }
+    update_rate(t, method);
+    if (max_task == NULL || compare_methods(method, max_method)) {
+      // Select a method with the highest rate
+      max_task = task;
+      max_method = method;
+    }
+
+    if (task->is_blocking()) {
+      if (max_blocking_task == NULL || compare_methods(method, max_blocking_task->method())) {
+        max_blocking_task = task;
+      }
+    }
+
+    task = next_task;
+  }
+
+  if (max_blocking_task != NULL) {
+    // In blocking compilation mode, the CompileBroker will make
+    // compilations submitted by a JVMCI compiler thread non-blocking. These
+    // compilations should be scheduled after all blocking compilations
+    // to service non-compiler related compilations sooner and reduce the
+    // chance of such compilations timing out.
+    max_task = max_blocking_task;
+    max_method = max_task->method();
+  }
+
+  if (max_task != NULL && max_task->comp_level() == CompLevel_full_profile &&
+      TieredStopAtLevel > CompLevel_full_profile &&
+      max_method != NULL && is_method_profiled(max_method)) {
+    max_task->set_comp_level(CompLevel_limited_profile);
+
+    if (CompileBroker::compilation_is_complete(max_method, max_task->osr_bci(), CompLevel_limited_profile)) {
+      if (PrintTieredEvents) {
+        print_event(REMOVE_FROM_QUEUE, max_method, max_method, max_task->osr_bci(), (CompLevel)max_task->comp_level());
+      }
+      compile_queue->remove_and_mark_stale(max_task);
+      max_method->clear_queued_for_compilation();
+      return NULL;
+    }
+
+    if (PrintTieredEvents) {
+      print_event(UPDATE_IN_QUEUE, max_method, max_method, max_task->osr_bci(), (CompLevel)max_task->comp_level());
+    }
+  }
+
+  return max_task;
+}
+
+void TieredThresholdPolicy::reprofile(ScopeDesc* trap_scope, bool is_osr) {
+  for (ScopeDesc* sd = trap_scope;; sd = sd->sender()) {
+    if (PrintTieredEvents) {
+      methodHandle mh(sd->method());
+      print_event(REPROFILE, mh, mh, InvocationEntryBci, CompLevel_none);
+    }
+    MethodData* mdo = sd->method()->method_data();
+    if (mdo != NULL) {
+      mdo->reset_start_counters();
+    }
+    if (sd->is_top()) break;
+  }
+}
+
+nmethod* TieredThresholdPolicy::event(const methodHandle& method, const methodHandle& inlinee,
+                                      int branch_bci, int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread) {
+  if (comp_level == CompLevel_none &&
+      JvmtiExport::can_post_interpreter_events() &&
+      thread->is_interp_only_mode()) {
+    return NULL;
+  }
+  if (ReplayCompiles) {
+    // Don't trigger other compiles in testing mode
+    return NULL;
+  }
+
+  handle_counter_overflow(method());
+  if (method() != inlinee()) {
+    handle_counter_overflow(inlinee());
+  }
+
+  if (PrintTieredEvents) {
+    print_event(bci == InvocationEntryBci ? CALL : LOOP, method, inlinee, bci, comp_level);
+  }
+
+  if (bci == InvocationEntryBci) {
+    method_invocation_event(method, inlinee, comp_level, nm, thread);
+  } else {
+    // method == inlinee if the event originated in the main method
+    method_back_branch_event(method, inlinee, bci, comp_level, nm, thread);
+    // Check if event led to a higher level OSR compilation
+    CompLevel expected_comp_level = comp_level;
+    if (inlinee->is_not_osr_compilable(expected_comp_level)) {
+      // It's not possble to reach the expected level so fall back to simple.
+      expected_comp_level = CompLevel_simple;
+    }
+    nmethod* osr_nm = inlinee->lookup_osr_nmethod_for(bci, expected_comp_level, false);
+    assert(osr_nm == NULL || osr_nm->comp_level() >= expected_comp_level, "lookup_osr_nmethod_for is broken");
+    if (osr_nm != NULL) {
+      // Perform OSR with new nmethod
+      return osr_nm;
+    }
+  }
+  return NULL;
+}
+
+// Check if the method can be compiled, change level if necessary
+void TieredThresholdPolicy::compile(const methodHandle& mh, int bci, CompLevel level, JavaThread* thread) {
+  assert(level <= TieredStopAtLevel, "Invalid compilation level");
+  if (level == CompLevel_none) {
+    return;
+  }
+  if (level == CompLevel_aot) {
+    if (mh->has_aot_code()) {
+      if (PrintTieredEvents) {
+        print_event(COMPILE, mh, mh, bci, level);
+      }
+      MutexLocker ml(Compile_lock);
+      NoSafepointVerifier nsv;
+      if (mh->has_aot_code() && mh->code() != mh->aot_code()) {
+        mh->aot_code()->make_entrant();
+        if (mh->has_compiled_code()) {
+          mh->code()->make_not_entrant();
+        }
+        MutexLocker pl(CompiledMethod_lock, Mutex::_no_safepoint_check_flag);
+        Method::set_code(mh, mh->aot_code());
+      }
+    }
+    return;
+  }
+
+  // Check if the method can be compiled. If it cannot be compiled with C1, continue profiling
+  // in the interpreter and then compile with C2 (the transition function will request that,
+  // see common() ). If the method cannot be compiled with C2 but still can with C1, compile it with
+  // pure C1.
+  if ((bci == InvocationEntryBci && !can_be_compiled(mh, level))) {
+    if (level == CompLevel_full_optimization && can_be_compiled(mh, CompLevel_simple)) {
+      compile(mh, bci, CompLevel_simple, thread);
+    }
+    return;
+  }
+  if ((bci != InvocationEntryBci && !can_be_osr_compiled(mh, level))) {
+    if (level == CompLevel_full_optimization && can_be_osr_compiled(mh, CompLevel_simple)) {
+      nmethod* osr_nm = mh->lookup_osr_nmethod_for(bci, CompLevel_simple, false);
+      if (osr_nm != NULL && osr_nm->comp_level() > CompLevel_simple) {
+        // Invalidate the existing OSR nmethod so that a compile at CompLevel_simple is permitted.
+        osr_nm->make_not_entrant();
+      }
+      compile(mh, bci, CompLevel_simple, thread);
+    }
+    return;
+  }
+  if (bci != InvocationEntryBci && mh->is_not_osr_compilable(level)) {
+    return;
+  }
+  if (!CompileBroker::compilation_is_in_queue(mh)) {
+    if (PrintTieredEvents) {
+      print_event(COMPILE, mh, mh, bci, level);
+    }
+    submit_compile(mh, bci, level, thread);
+  }
+}
+
+// Update the rate and submit compile
+void TieredThresholdPolicy::submit_compile(const methodHandle& mh, int bci, CompLevel level, JavaThread* thread) {
+  int hot_count = (bci == InvocationEntryBci) ? mh->invocation_count() : mh->backedge_count();
+  update_rate(os::javaTimeMillis(), mh());
+  CompileBroker::compile_method(mh, bci, level, mh, hot_count, CompileTask::Reason_Tiered, thread);
+}
+
+// Print an event.
+void TieredThresholdPolicy::print_specific(EventType type, const methodHandle& mh, const methodHandle& imh,
+                                             int bci, CompLevel level) {
+  tty->print(" rate=");
+  if (mh->prev_time() == 0) tty->print("n/a");
+  else tty->print("%f", mh->rate());
+
+  tty->print(" k=%.2lf,%.2lf", threshold_scale(CompLevel_full_profile, Tier3LoadFeedback),
+                               threshold_scale(CompLevel_full_optimization, Tier4LoadFeedback));
+
+}
+
+// update_rate() is called from select_task() while holding a compile queue lock.
+void TieredThresholdPolicy::update_rate(jlong t, Method* m) {
+  // Skip update if counters are absent.
+  // Can't allocate them since we are holding compile queue lock.
+  if (m->method_counters() == NULL)  return;
+
+  if (is_old(m)) {
+    // We don't remove old methods from the queue,
+    // so we can just zero the rate.
+    m->set_rate(0);
+    return;
+  }
+
+  // We don't update the rate if we've just came out of a safepoint.
+  // delta_s is the time since last safepoint in milliseconds.
+  jlong delta_s = t - SafepointTracing::end_of_last_safepoint_epoch_ms();
+  jlong delta_t = t - (m->prev_time() != 0 ? m->prev_time() : start_time()); // milliseconds since the last measurement
+  // How many events were there since the last time?
+  int event_count = m->invocation_count() + m->backedge_count();
+  int delta_e = event_count - m->prev_event_count();
+
+  // We should be running for at least 1ms.
+  if (delta_s >= TieredRateUpdateMinTime) {
+    // And we must've taken the previous point at least 1ms before.
+    if (delta_t >= TieredRateUpdateMinTime && delta_e > 0) {
+      m->set_prev_time(t);
+      m->set_prev_event_count(event_count);
+      m->set_rate((float)delta_e / (float)delta_t); // Rate is events per millisecond
+    } else {
+      if (delta_t > TieredRateUpdateMaxTime && delta_e == 0) {
+        // If nothing happened for 25ms, zero the rate. Don't modify prev values.
+        m->set_rate(0);
+      }
+    }
+  }
+}
+
+// Check if this method has been stale for a given number of milliseconds.
+// See select_task().
+bool TieredThresholdPolicy::is_stale(jlong t, jlong timeout, Method* m) {
+  jlong delta_s = t - SafepointTracing::end_of_last_safepoint_epoch_ms();
+  jlong delta_t = t - m->prev_time();
+  if (delta_t > timeout && delta_s > timeout) {
+    int event_count = m->invocation_count() + m->backedge_count();
+    int delta_e = event_count - m->prev_event_count();
+    // Return true if there were no events.
+    return delta_e == 0;
+  }
+  return false;
+}
+
+// We don't remove old methods from the compile queue even if they have
+// very low activity. See select_task().
+bool TieredThresholdPolicy::is_old(Method* method) {
+  return method->invocation_count() > 50000 || method->backedge_count() > 500000;
+}
+
+double TieredThresholdPolicy::weight(Method* method) {
+  return (double)(method->rate() + 1) *
+    (method->invocation_count() + 1) * (method->backedge_count() + 1);
+}
+
+// Apply heuristics and return true if x should be compiled before y
+bool TieredThresholdPolicy::compare_methods(Method* x, Method* y) {
+  if (x->highest_comp_level() > y->highest_comp_level()) {
+    // recompilation after deopt
+    return true;
+  } else
+    if (x->highest_comp_level() == y->highest_comp_level()) {
+      if (weight(x) > weight(y)) {
+        return true;
+      }
+    }
+  return false;
+}
+
+// Is method profiled enough?
+bool TieredThresholdPolicy::is_method_profiled(Method* method) {
+  MethodData* mdo = method->method_data();
+  if (mdo != NULL) {
+    int i = mdo->invocation_count_delta();
+    int b = mdo->backedge_count_delta();
+    return call_predicate_helper<CompLevel_full_profile>(i, b, 1, method);
+  }
+  return false;
+}
+
+double TieredThresholdPolicy::threshold_scale(CompLevel level, int feedback_k) {
+  double queue_size = CompileBroker::queue_size(level);
+  int comp_count = compiler_count(level);
+  double k = queue_size / (feedback_k * comp_count) + 1;
+
+  // Increase C1 compile threshold when the code cache is filled more
+  // than specified by IncreaseFirstTierCompileThresholdAt percentage.
+  // The main intention is to keep enough free space for C2 compiled code
+  // to achieve peak performance if the code cache is under stress.
+  if ((TieredStopAtLevel == CompLevel_full_optimization) && (level != CompLevel_full_optimization))  {
+    double current_reverse_free_ratio = CodeCache::reverse_free_ratio(CodeCache::get_code_blob_type(level));
+    if (current_reverse_free_ratio > _increase_threshold_at_ratio) {
+      k *= exp(current_reverse_free_ratio - _increase_threshold_at_ratio);
+    }
+  }
+  return k;
+}
+
+// Call and loop predicates determine whether a transition to a higher
+// compilation level should be performed (pointers to predicate functions
+// are passed to common()).
+// Tier?LoadFeedback is basically a coefficient that determines of
+// how many methods per compiler thread can be in the queue before
+// the threshold values double.
+bool TieredThresholdPolicy::loop_predicate(int i, int b, CompLevel cur_level, Method* method) {
+  switch(cur_level) {
+  case CompLevel_aot: {
+    double k = threshold_scale(CompLevel_full_profile, Tier3LoadFeedback);
+    return loop_predicate_helper<CompLevel_aot>(i, b, k, method);
+  }
+  case CompLevel_none:
+  case CompLevel_limited_profile: {
+    double k = threshold_scale(CompLevel_full_profile, Tier3LoadFeedback);
+    return loop_predicate_helper<CompLevel_none>(i, b, k, method);
+  }
+  case CompLevel_full_profile: {
+    double k = threshold_scale(CompLevel_full_optimization, Tier4LoadFeedback);
+    return loop_predicate_helper<CompLevel_full_profile>(i, b, k, method);
+  }
+  default:
+    return true;
+  }
+}
+
+bool TieredThresholdPolicy::call_predicate(int i, int b, CompLevel cur_level, Method* method) {
+  switch(cur_level) {
+  case CompLevel_aot: {
+    double k = threshold_scale(CompLevel_full_profile, Tier3LoadFeedback);
+    return call_predicate_helper<CompLevel_aot>(i, b, k, method);
+  }
+  case CompLevel_none:
+  case CompLevel_limited_profile: {
+    double k = threshold_scale(CompLevel_full_profile, Tier3LoadFeedback);
+    return call_predicate_helper<CompLevel_none>(i, b, k, method);
+  }
+  case CompLevel_full_profile: {
+    double k = threshold_scale(CompLevel_full_optimization, Tier4LoadFeedback);
+    return call_predicate_helper<CompLevel_full_profile>(i, b, k, method);
+  }
+  default:
+    return true;
+  }
+}
+
+// Determine is a method is mature.
+bool TieredThresholdPolicy::is_mature(Method* method) {
+  if (should_compile_at_level_simple(method)) return true;
+  MethodData* mdo = method->method_data();
+  if (mdo != NULL) {
+    int i = mdo->invocation_count();
+    int b = mdo->backedge_count();
+    double k = ProfileMaturityPercentage / 100.0;
+    return call_predicate_helper<CompLevel_full_profile>(i, b, k, method) ||
+           loop_predicate_helper<CompLevel_full_profile>(i, b, k, method);
+  }
+  return false;
+}
+
+// If a method is old enough and is still in the interpreter we would want to
+// start profiling without waiting for the compiled method to arrive.
+// We also take the load on compilers into the account.
+bool TieredThresholdPolicy::should_create_mdo(Method* method, CompLevel cur_level) {
+  if (cur_level == CompLevel_none &&
+      CompileBroker::queue_size(CompLevel_full_optimization) <=
+      Tier3DelayOn * compiler_count(CompLevel_full_optimization)) {
+    int i = method->invocation_count();
+    int b = method->backedge_count();
+    double k = Tier0ProfilingStartPercentage / 100.0;
+    return call_predicate_helper<CompLevel_none>(i, b, k, method) || loop_predicate_helper<CompLevel_none>(i, b, k, method);
+  }
+  return false;
+}
+
+// Inlining control: if we're compiling a profiled method with C1 and the callee
+// is known to have OSRed in a C2 version, don't inline it.
+bool TieredThresholdPolicy::should_not_inline(ciEnv* env, ciMethod* callee) {
+  CompLevel comp_level = (CompLevel)env->comp_level();
+  if (comp_level == CompLevel_full_profile ||
+      comp_level == CompLevel_limited_profile) {
+    return callee->highest_osr_comp_level() == CompLevel_full_optimization;
+  }
+  return false;
+}
+
+// Create MDO if necessary.
+void TieredThresholdPolicy::create_mdo(const methodHandle& mh, JavaThread* THREAD) {
+  if (mh->is_native() ||
+      mh->is_abstract() ||
+      mh->is_accessor() ||
+      mh->is_constant_getter()) {
+    return;
+  }
+  if (mh->method_data() == NULL) {
+    Method::build_interpreter_method_data(mh, CHECK_AND_CLEAR);
+  }
+}
+
+
+/*
+ * Method states:
+ *   0 - interpreter (CompLevel_none)
+ *   1 - pure C1 (CompLevel_simple)
+ *   2 - C1 with invocation and backedge counting (CompLevel_limited_profile)
+ *   3 - C1 with full profiling (CompLevel_full_profile)
+ *   4 - C2 (CompLevel_full_optimization)
+ *
+ * Common state transition patterns:
+ * a. 0 -> 3 -> 4.
+ *    The most common path. But note that even in this straightforward case
+ *    profiling can start at level 0 and finish at level 3.
+ *
+ * b. 0 -> 2 -> 3 -> 4.
+ *    This case occurs when the load on C2 is deemed too high. So, instead of transitioning
+ *    into state 3 directly and over-profiling while a method is in the C2 queue we transition to
+ *    level 2 and wait until the load on C2 decreases. This path is disabled for OSRs.
+ *
+ * c. 0 -> (3->2) -> 4.
+ *    In this case we enqueue a method for compilation at level 3, but the C1 queue is long enough
+ *    to enable the profiling to fully occur at level 0. In this case we change the compilation level
+ *    of the method to 2 while the request is still in-queue, because it'll allow it to run much faster
+ *    without full profiling while c2 is compiling.
+ *
+ * d. 0 -> 3 -> 1 or 0 -> 2 -> 1.
+ *    After a method was once compiled with C1 it can be identified as trivial and be compiled to
+ *    level 1. These transition can also occur if a method can't be compiled with C2 but can with C1.
+ *
+ * e. 0 -> 4.
+ *    This can happen if a method fails C1 compilation (it will still be profiled in the interpreter)
+ *    or because of a deopt that didn't require reprofiling (compilation won't happen in this case because
+ *    the compiled version already exists).
+ *
+ * Note that since state 0 can be reached from any other state via deoptimization different loops
+ * are possible.
+ *
+ */
+
+// Common transition function. Given a predicate determines if a method should transition to another level.
+CompLevel TieredThresholdPolicy::common(Predicate p, Method* method, CompLevel cur_level, bool disable_feedback) {
+  CompLevel next_level = cur_level;
+  int i = method->invocation_count();
+  int b = method->backedge_count();
+
+  if (should_compile_at_level_simple(method)) {
+    next_level = CompLevel_simple;
+  } else {
+    switch(cur_level) {
+      default: break;
+      case CompLevel_aot: {
+      // If we were at full profile level, would we switch to full opt?
+      if (common(p, method, CompLevel_full_profile, disable_feedback) == CompLevel_full_optimization) {
+        next_level = CompLevel_full_optimization;
+      } else if (disable_feedback || (CompileBroker::queue_size(CompLevel_full_optimization) <=
+                               Tier3DelayOff * compiler_count(CompLevel_full_optimization) &&
+                               (this->*p)(i, b, cur_level, method))) {
+        next_level = CompLevel_full_profile;
+      }
+    }
+    break;
+    case CompLevel_none:
+      // If we were at full profile level, would we switch to full opt?
+      if (common(p, method, CompLevel_full_profile, disable_feedback) == CompLevel_full_optimization) {
+        next_level = CompLevel_full_optimization;
+      } else if ((this->*p)(i, b, cur_level, method)) {
+#if INCLUDE_JVMCI
+        if (EnableJVMCI && UseJVMCICompiler) {
+          // Since JVMCI takes a while to warm up, its queue inevitably backs up during
+          // early VM execution. As of 2014-06-13, JVMCI's inliner assumes that the root
+          // compilation method and all potential inlinees have mature profiles (which
+          // includes type profiling). If it sees immature profiles, JVMCI's inliner
+          // can perform pathologically bad (e.g., causing OutOfMemoryErrors due to
+          // exploring/inlining too many graphs). Since a rewrite of the inliner is
+          // in progress, we simply disable the dialing back heuristic for now and will
+          // revisit this decision once the new inliner is completed.
+          next_level = CompLevel_full_profile;
+        } else
+#endif
+        {
+          // C1-generated fully profiled code is about 30% slower than the limited profile
+          // code that has only invocation and backedge counters. The observation is that
+          // if C2 queue is large enough we can spend too much time in the fully profiled code
+          // while waiting for C2 to pick the method from the queue. To alleviate this problem
+          // we introduce a feedback on the C2 queue size. If the C2 queue is sufficiently long
+          // we choose to compile a limited profiled version and then recompile with full profiling
+          // when the load on C2 goes down.
+          if (!disable_feedback && CompileBroker::queue_size(CompLevel_full_optimization) >
+              Tier3DelayOn * compiler_count(CompLevel_full_optimization)) {
+            next_level = CompLevel_limited_profile;
+          } else {
+            next_level = CompLevel_full_profile;
+          }
+        }
+      }
+      break;
+    case CompLevel_limited_profile:
+      if (is_method_profiled(method)) {
+        // Special case: we got here because this method was fully profiled in the interpreter.
+        next_level = CompLevel_full_optimization;
+      } else {
+        MethodData* mdo = method->method_data();
+        if (mdo != NULL) {
+          if (mdo->would_profile()) {
+            if (disable_feedback || (CompileBroker::queue_size(CompLevel_full_optimization) <=
+                                     Tier3DelayOff * compiler_count(CompLevel_full_optimization) &&
+                                     (this->*p)(i, b, cur_level, method))) {
+              next_level = CompLevel_full_profile;
+            }
+          } else {
+            next_level = CompLevel_full_optimization;
+          }
+        } else {
+          // If there is no MDO we need to profile
+          if (disable_feedback || (CompileBroker::queue_size(CompLevel_full_optimization) <=
+                                   Tier3DelayOff * compiler_count(CompLevel_full_optimization) &&
+                                   (this->*p)(i, b, cur_level, method))) {
+            next_level = CompLevel_full_profile;
+          }
+        }
+      }
+      break;
+    case CompLevel_full_profile:
+      {
+        MethodData* mdo = method->method_data();
+        if (mdo != NULL) {
+          if (mdo->would_profile()) {
+            int mdo_i = mdo->invocation_count_delta();
+            int mdo_b = mdo->backedge_count_delta();
+            if ((this->*p)(mdo_i, mdo_b, cur_level, method)) {
+              next_level = CompLevel_full_optimization;
+            }
+          } else {
+            next_level = CompLevel_full_optimization;
+          }
+        }
+      }
+      break;
+    }
+  }
+  return MIN2(next_level, (CompLevel)TieredStopAtLevel);
+}
+
+// Determine if a method should be compiled with a normal entry point at a different level.
+CompLevel TieredThresholdPolicy::call_event(Method* method, CompLevel cur_level, JavaThread * thread) {
+  CompLevel osr_level = MIN2((CompLevel) method->highest_osr_comp_level(),
+                             common(&TieredThresholdPolicy::loop_predicate, method, cur_level, true));
+  CompLevel next_level = common(&TieredThresholdPolicy::call_predicate, method, cur_level);
+
+  // If OSR method level is greater than the regular method level, the levels should be
+  // equalized by raising the regular method level in order to avoid OSRs during each
+  // invocation of the method.
+  if (osr_level == CompLevel_full_optimization && cur_level == CompLevel_full_profile) {
+    MethodData* mdo = method->method_data();
+    guarantee(mdo != NULL, "MDO should not be NULL");
+    if (mdo->invocation_count() >= 1) {
+      next_level = CompLevel_full_optimization;
+    }
+  } else {
+    next_level = MAX2(osr_level, next_level);
+  }
+  return next_level;
+}
+
+// Determine if we should do an OSR compilation of a given method.
+CompLevel TieredThresholdPolicy::loop_event(Method* method, CompLevel cur_level, JavaThread* thread) {
+  CompLevel next_level = common(&TieredThresholdPolicy::loop_predicate, method, cur_level, true);
+  if (cur_level == CompLevel_none) {
+    // If there is a live OSR method that means that we deopted to the interpreter
+    // for the transition.
+    CompLevel osr_level = MIN2((CompLevel)method->highest_osr_comp_level(), next_level);
+    if (osr_level > CompLevel_none) {
+      return osr_level;
+    }
+  }
+  return next_level;
+}
+
+bool TieredThresholdPolicy::maybe_switch_to_aot(const methodHandle& mh, CompLevel cur_level, CompLevel next_level, JavaThread* thread) {
+  if (UseAOT) {
+    if (cur_level == CompLevel_full_profile || cur_level == CompLevel_none) {
+      // If the current level is full profile or interpreter and we're switching to any other level,
+      // activate the AOT code back first so that we won't waste time overprofiling.
+      compile(mh, InvocationEntryBci, CompLevel_aot, thread);
+      // Fall through for JIT compilation.
+    }
+    if (next_level == CompLevel_limited_profile && cur_level != CompLevel_aot && mh->has_aot_code()) {
+      // If the next level is limited profile, use the aot code (if there is any),
+      // since it's essentially the same thing.
+      compile(mh, InvocationEntryBci, CompLevel_aot, thread);
+      // Not need to JIT, we're done.
+      return true;
+    }
+  }
+  return false;
+}
+
+
+// Handle the invocation event.
+void TieredThresholdPolicy::method_invocation_event(const methodHandle& mh, const methodHandle& imh,
+                                                      CompLevel level, CompiledMethod* nm, JavaThread* thread) {
+  if (should_create_mdo(mh(), level)) {
+    create_mdo(mh, thread);
+  }
+  CompLevel next_level = call_event(mh(), level, thread);
+  if (next_level != level) {
+    if (maybe_switch_to_aot(mh, level, next_level, thread)) {
+      // No JITting necessary
+      return;
+    }
+    if (is_compilation_enabled() && !CompileBroker::compilation_is_in_queue(mh)) {
+      compile(mh, InvocationEntryBci, next_level, thread);
+    }
+  }
+}
+
+// Handle the back branch event. Notice that we can compile the method
+// with a regular entry from here.
+void TieredThresholdPolicy::method_back_branch_event(const methodHandle& mh, const methodHandle& imh,
+                                                     int bci, CompLevel level, CompiledMethod* nm, JavaThread* thread) {
+  if (should_create_mdo(mh(), level)) {
+    create_mdo(mh, thread);
+  }
+  // Check if MDO should be created for the inlined method
+  if (should_create_mdo(imh(), level)) {
+    create_mdo(imh, thread);
+  }
+
+  if (is_compilation_enabled()) {
+    CompLevel next_osr_level = loop_event(imh(), level, thread);
+    CompLevel max_osr_level = (CompLevel)imh->highest_osr_comp_level();
+    // At the very least compile the OSR version
+    if (!CompileBroker::compilation_is_in_queue(imh) && (next_osr_level != level)) {
+      compile(imh, bci, next_osr_level, thread);
+    }
+
+    // Use loop event as an opportunity to also check if there's been
+    // enough calls.
+    CompLevel cur_level, next_level;
+    if (mh() != imh()) { // If there is an enclosing method
+      if (level == CompLevel_aot) {
+        // Recompile the enclosing method to prevent infinite OSRs. Stay at AOT level while it's compiling.
+        if (max_osr_level != CompLevel_none && !CompileBroker::compilation_is_in_queue(mh)) {
+          compile(mh, InvocationEntryBci, MIN2((CompLevel)TieredStopAtLevel, CompLevel_full_profile), thread);
+        }
+      } else {
+        // Current loop event level is not AOT
+        guarantee(nm != NULL, "Should have nmethod here");
+        cur_level = comp_level(mh());
+        next_level = call_event(mh(), cur_level, thread);
+
+        if (max_osr_level == CompLevel_full_optimization) {
+          // The inlinee OSRed to full opt, we need to modify the enclosing method to avoid deopts
+          bool make_not_entrant = false;
+          if (nm->is_osr_method()) {
+            // This is an osr method, just make it not entrant and recompile later if needed
+            make_not_entrant = true;
+          } else {
+            if (next_level != CompLevel_full_optimization) {
+              // next_level is not full opt, so we need to recompile the
+              // enclosing method without the inlinee
+              cur_level = CompLevel_none;
+              make_not_entrant = true;
+            }
+          }
+          if (make_not_entrant) {
+            if (PrintTieredEvents) {
+              int osr_bci = nm->is_osr_method() ? nm->osr_entry_bci() : InvocationEntryBci;
+              print_event(MAKE_NOT_ENTRANT, mh(), mh(), osr_bci, level);
+            }
+            nm->make_not_entrant();
+          }
+        }
+        // Fix up next_level if necessary to avoid deopts
+        if (next_level == CompLevel_limited_profile && max_osr_level == CompLevel_full_profile) {
+          next_level = CompLevel_full_profile;
+        }
+        if (cur_level != next_level) {
+          if (!maybe_switch_to_aot(mh, cur_level, next_level, thread) && !CompileBroker::compilation_is_in_queue(mh)) {
+            compile(mh, InvocationEntryBci, next_level, thread);
+          }
+        }
+      }
+    } else {
+      cur_level = comp_level(mh());
+      next_level = call_event(mh(), cur_level, thread);
+      if (next_level != cur_level) {
+        if (!maybe_switch_to_aot(mh, cur_level, next_level, thread) && !CompileBroker::compilation_is_in_queue(mh)) {
+          compile(mh, InvocationEntryBci, next_level, thread);
+        }
+      }
+    }
+  }
+}
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/compiler/tieredThresholdPolicy.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,278 @@
+/*
+ * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_COMPILER_TIEREDTHRESHOLDPOLICY_HPP
+#define SHARE_COMPILER_TIEREDTHRESHOLDPOLICY_HPP
+
+#include "code/nmethod.hpp"
+#include "compiler/compilationPolicy.hpp"
+#include "oops/methodData.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+#ifdef TIERED
+
+class CompileTask;
+class CompileQueue;
+/*
+ *  The system supports 5 execution levels:
+ *  * level 0 - interpreter
+ *  * level 1 - C1 with full optimization (no profiling)
+ *  * level 2 - C1 with invocation and backedge counters
+ *  * level 3 - C1 with full profiling (level 2 + MDO)
+ *  * level 4 - C2
+ *
+ * Levels 0, 2 and 3 periodically notify the runtime about the current value of the counters
+ * (invocation counters and backedge counters). The frequency of these notifications is
+ * different at each level. These notifications are used by the policy to decide what transition
+ * to make.
+ *
+ * Execution starts at level 0 (interpreter), then the policy can decide either to compile the
+ * method at level 3 or level 2. The decision is based on the following factors:
+ *    1. The length of the C2 queue determines the next level. The observation is that level 2
+ * is generally faster than level 3 by about 30%, therefore we would want to minimize the time
+ * a method spends at level 3. We should only spend the time at level 3 that is necessary to get
+ * adequate profiling. So, if the C2 queue is long enough it is more beneficial to go first to
+ * level 2, because if we transitioned to level 3 we would be stuck there until our C2 compile
+ * request makes its way through the long queue. When the load on C2 recedes we are going to
+ * recompile at level 3 and start gathering profiling information.
+ *    2. The length of C1 queue is used to dynamically adjust the thresholds, so as to introduce
+ * additional filtering if the compiler is overloaded. The rationale is that by the time a
+ * method gets compiled it can become unused, so it doesn't make sense to put too much onto the
+ * queue.
+ *
+ * After profiling is completed at level 3 the transition is made to level 4. Again, the length
+ * of the C2 queue is used as a feedback to adjust the thresholds.
+ *
+ * After the first C1 compile some basic information is determined about the code like the number
+ * of the blocks and the number of the loops. Based on that it can be decided that a method
+ * is trivial and compiling it with C1 will yield the same code. In this case the method is
+ * compiled at level 1 instead of 4.
+ *
+ * We also support profiling at level 0. If C1 is slow enough to produce the level 3 version of
+ * the code and the C2 queue is sufficiently small we can decide to start profiling in the
+ * interpreter (and continue profiling in the compiled code once the level 3 version arrives).
+ * If the profiling at level 0 is fully completed before level 3 version is produced, a level 2
+ * version is compiled instead in order to run faster waiting for a level 4 version.
+ *
+ * Compile queues are implemented as priority queues - for each method in the queue we compute
+ * the event rate (the number of invocation and backedge counter increments per unit of time).
+ * When getting an element off the queue we pick the one with the largest rate. Maintaining the
+ * rate also allows us to remove stale methods (the ones that got on the queue but stopped
+ * being used shortly after that).
+*/
+
+/* Command line options:
+ * - Tier?InvokeNotifyFreqLog and Tier?BackedgeNotifyFreqLog control the frequency of method
+ *   invocation and backedge notifications. Basically every n-th invocation or backedge a mutator thread
+ *   makes a call into the runtime.
+ *
+ * - Tier?InvocationThreshold, Tier?CompileThreshold, Tier?BackEdgeThreshold, Tier?MinInvocationThreshold control
+ *   compilation thresholds.
+ *   Level 2 thresholds are not used and are provided for option-compatibility and potential future use.
+ *   Other thresholds work as follows:
+ *
+ *   Transition from interpreter (level 0) to C1 with full profiling (level 3) happens when
+ *   the following predicate is true (X is the level):
+ *
+ *   i > TierXInvocationThreshold * s || (i > TierXMinInvocationThreshold * s  && i + b > TierXCompileThreshold * s),
+ *
+ *   where $i$ is the number of method invocations, $b$ number of backedges and $s$ is the scaling
+ *   coefficient that will be discussed further.
+ *   The intuition is to equalize the time that is spend profiling each method.
+ *   The same predicate is used to control the transition from level 3 to level 4 (C2). It should be
+ *   noted though that the thresholds are relative. Moreover i and b for the 0->3 transition come
+ *   from Method* and for 3->4 transition they come from MDO (since profiled invocations are
+ *   counted separately). Finally, if a method does not contain anything worth profiling, a transition
+ *   from level 3 to level 4 occurs without considering thresholds (e.g., with fewer invocations than
+ *   what is specified by Tier4InvocationThreshold).
+ *
+ *   OSR transitions are controlled simply with b > TierXBackEdgeThreshold * s predicates.
+ *
+ * - Tier?LoadFeedback options are used to automatically scale the predicates described above depending
+ *   on the compiler load. The scaling coefficients are computed as follows:
+ *
+ *   s = queue_size_X / (TierXLoadFeedback * compiler_count_X) + 1,
+ *
+ *   where queue_size_X is the current size of the compiler queue of level X, and compiler_count_X
+ *   is the number of level X compiler threads.
+ *
+ *   Basically these parameters describe how many methods should be in the compile queue
+ *   per compiler thread before the scaling coefficient increases by one.
+ *
+ *   This feedback provides the mechanism to automatically control the flow of compilation requests
+ *   depending on the machine speed, mutator load and other external factors.
+ *
+ * - Tier3DelayOn and Tier3DelayOff parameters control another important feedback loop.
+ *   Consider the following observation: a method compiled with full profiling (level 3)
+ *   is about 30% slower than a method at level 2 (just invocation and backedge counters, no MDO).
+ *   Normally, the following transitions will occur: 0->3->4. The problem arises when the C2 queue
+ *   gets congested and the 3->4 transition is delayed. While the method is the C2 queue it continues
+ *   executing at level 3 for much longer time than is required by the predicate and at suboptimal speed.
+ *   The idea is to dynamically change the behavior of the system in such a way that if a substantial
+ *   load on C2 is detected we would first do the 0->2 transition allowing a method to run faster.
+ *   And then when the load decreases to allow 2->3 transitions.
+ *
+ *   Tier3Delay* parameters control this switching mechanism.
+ *   Tier3DelayOn is the number of methods in the C2 queue per compiler thread after which the policy
+ *   no longer does 0->3 transitions but does 0->2 transitions instead.
+ *   Tier3DelayOff switches the original behavior back when the number of methods in the C2 queue
+ *   per compiler thread falls below the specified amount.
+ *   The hysteresis is necessary to avoid jitter.
+ *
+ * - TieredCompileTaskTimeout is the amount of time an idle method can spend in the compile queue.
+ *   Basically, since we use the event rate d(i + b)/dt as a value of priority when selecting a method to
+ *   compile from the compile queue, we also can detect stale methods for which the rate has been
+ *   0 for some time in the same iteration. Stale methods can appear in the queue when an application
+ *   abruptly changes its behavior.
+ *
+ * - TieredStopAtLevel, is used mostly for testing. It allows to bypass the policy logic and stick
+ *   to a given level. For example it's useful to set TieredStopAtLevel = 1 in order to compile everything
+ *   with pure c1.
+ *
+ * - Tier0ProfilingStartPercentage allows the interpreter to start profiling when the inequalities in the
+ *   0->3 predicate are already exceeded by the given percentage but the level 3 version of the
+ *   method is still not ready. We can even go directly from level 0 to 4 if c1 doesn't produce a compiled
+ *   version in time. This reduces the overall transition to level 4 and decreases the startup time.
+ *   Note that this behavior is also guarded by the Tier3Delay mechanism: when the c2 queue is too long
+ *   these is not reason to start profiling prematurely.
+ *
+ * - TieredRateUpdateMinTime and TieredRateUpdateMaxTime are parameters of the rate computation.
+ *   Basically, the rate is not computed more frequently than TieredRateUpdateMinTime and is considered
+ *   to be zero if no events occurred in TieredRateUpdateMaxTime.
+ */
+
+class TieredThresholdPolicy : public CompilationPolicy {
+  jlong _start_time;
+  int _c1_count, _c2_count;
+
+  // Check if the counter is big enough and set carry (effectively infinity).
+  inline void set_carry_if_necessary(InvocationCounter *counter);
+  // Set carry flags in the counters (in Method* and MDO).
+  inline void handle_counter_overflow(Method* method);
+  // Call and loop predicates determine whether a transition to a higher compilation
+  // level should be performed (pointers to predicate functions are passed to common_TF().
+  // Predicates also take compiler load into account.
+  typedef bool (TieredThresholdPolicy::*Predicate)(int i, int b, CompLevel cur_level, Method* method);
+  bool call_predicate(int i, int b, CompLevel cur_level, Method* method);
+  bool loop_predicate(int i, int b, CompLevel cur_level, Method* method);
+  // Common transition function. Given a predicate determines if a method should transition to another level.
+  CompLevel common(Predicate p, Method* method, CompLevel cur_level, bool disable_feedback = false);
+  // Transition functions.
+  // call_event determines if a method should be compiled at a different
+  // level with a regular invocation entry.
+  CompLevel call_event(Method* method, CompLevel cur_level, JavaThread* thread);
+  // loop_event checks if a method should be OSR compiled at a different
+  // level.
+  CompLevel loop_event(Method* method, CompLevel cur_level, JavaThread* thread);
+  void print_counters(const char* prefix, const methodHandle& mh);
+  // Has a method been long around?
+  // We don't remove old methods from the compile queue even if they have
+  // very low activity (see select_task()).
+  inline bool is_old(Method* method);
+  // Was a given method inactive for a given number of milliseconds.
+  // If it is, we would remove it from the queue (see select_task()).
+  inline bool is_stale(jlong t, jlong timeout, Method* m);
+  // Compute the weight of the method for the compilation scheduling
+  inline double weight(Method* method);
+  // Apply heuristics and return true if x should be compiled before y
+  inline bool compare_methods(Method* x, Method* y);
+  // Compute event rate for a given method. The rate is the number of event (invocations + backedges)
+  // per millisecond.
+  inline void update_rate(jlong t, Method* m);
+  // Compute threshold scaling coefficient
+  inline double threshold_scale(CompLevel level, int feedback_k);
+  // If a method is old enough and is still in the interpreter we would want to
+  // start profiling without waiting for the compiled method to arrive. This function
+  // determines whether we should do that.
+  inline bool should_create_mdo(Method* method, CompLevel cur_level);
+  // Create MDO if necessary.
+  void create_mdo(const methodHandle& mh, JavaThread* thread);
+  // Is method profiled enough?
+  bool is_method_profiled(Method* method);
+
+  double _increase_threshold_at_ratio;
+
+  bool maybe_switch_to_aot(const methodHandle& mh, CompLevel cur_level, CompLevel next_level, JavaThread* thread);
+
+  int c1_count() const     { return _c1_count; }
+  int c2_count() const     { return _c2_count; }
+  void set_c1_count(int x) { _c1_count = x;    }
+  void set_c2_count(int x) { _c2_count = x;    }
+
+  enum EventType { CALL, LOOP, COMPILE, REMOVE_FROM_QUEUE, UPDATE_IN_QUEUE, REPROFILE, MAKE_NOT_ENTRANT };
+  void print_event(EventType type, const methodHandle& mh, const methodHandle& imh, int bci, CompLevel level);
+  // Print policy-specific information if necessary
+  void print_specific(EventType type, const methodHandle& mh, const methodHandle& imh, int bci, CompLevel level);
+  // Check if the method can be compiled, change level if necessary
+  void compile(const methodHandle& mh, int bci, CompLevel level, JavaThread* thread);
+  // Submit a given method for compilation
+  void submit_compile(const methodHandle& mh, int bci, CompLevel level, JavaThread* thread);
+  // Simple methods are as good being compiled with C1 as C2.
+  // This function tells if it's such a function.
+  inline static bool is_trivial(Method* method);
+  // Force method to be compiled at CompLevel_simple?
+  inline static bool should_compile_at_level_simple(Method* method);
+
+  // Predicate helpers are used by .*_predicate() methods as well as others.
+  // They check the given counter values, multiplied by the scale against the thresholds.
+  template<CompLevel level> static inline bool call_predicate_helper(int i, int b, double scale, Method* method);
+  template<CompLevel level> static inline bool loop_predicate_helper(int i, int b, double scale, Method* method);
+
+  // Get a compilation level for a given method.
+  static CompLevel comp_level(Method* method);
+  void method_invocation_event(const methodHandle& method, const methodHandle& inlinee,
+                               CompLevel level, CompiledMethod* nm, JavaThread* thread);
+  void method_back_branch_event(const methodHandle& method, const methodHandle& inlinee,
+                                int bci, CompLevel level, CompiledMethod* nm, JavaThread* thread);
+
+  void set_increase_threshold_at_ratio() { _increase_threshold_at_ratio = 100 / (100 - (double)IncreaseFirstTierCompileThresholdAt); }
+  void set_start_time(jlong t) { _start_time = t;    }
+  jlong start_time() const     { return _start_time; }
+
+public:
+  TieredThresholdPolicy() : _start_time(0), _c1_count(0), _c2_count(0) { }
+  virtual int compiler_count(CompLevel comp_level) {
+    if (is_c1_compile(comp_level)) return c1_count();
+    if (is_c2_compile(comp_level)) return c2_count();
+    return 0;
+  }
+  virtual CompLevel initial_compile_level() { return MIN2((CompLevel)TieredStopAtLevel, CompLevel_initial_compile); }
+  virtual void do_safepoint_work() { }
+  virtual void delay_compilation(Method* method) { }
+  virtual void disable_compilation(Method* method) { }
+  virtual void reprofile(ScopeDesc* trap_scope, bool is_osr);
+  virtual nmethod* event(const methodHandle& method, const methodHandle& inlinee,
+                         int branch_bci, int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread);
+  // Select task is called by CompileBroker. We should return a task or NULL.
+  virtual CompileTask* select_task(CompileQueue* compile_queue);
+  // Tell the runtime if we think a given method is adequately profiled.
+  virtual bool is_mature(Method* method);
+  // Initialize: set compiler thread count
+  virtual void initialize();
+  virtual bool should_not_inline(ciEnv* env, ciMethod* callee);
+};
+
+#endif // TIERED
+
+#endif // SHARE_COMPILER_TIEREDTHRESHOLDPOLICY_HPP
--- a/src/hotspot/share/gc/epsilon/epsilonArguments.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/epsilon/epsilonArguments.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -45,13 +45,25 @@
     FLAG_SET_DEFAULT(ExitOnOutOfMemoryError, true);
   }
 
+  // Warn users that non-resizable heap might be better for some configurations.
+  // We are not adjusting the heap size by ourselves, because it affects startup time.
+  if (InitialHeapSize != MaxHeapSize) {
+    log_warning(gc)("Consider setting -Xms equal to -Xmx to avoid resizing hiccups");
+  }
+
+  // Warn users that AlwaysPreTouch might be better for some configurations.
+  // We are not turning this on by ourselves, because it affects startup time.
+  if (FLAG_IS_DEFAULT(AlwaysPreTouch) && !AlwaysPreTouch) {
+    log_warning(gc)("Consider enabling -XX:+AlwaysPreTouch to avoid memory commit hiccups");
+  }
+
   if (EpsilonMaxTLABSize < MinTLABSize) {
-    warning("EpsilonMaxTLABSize < MinTLABSize, adjusting it to " SIZE_FORMAT, MinTLABSize);
+    log_warning(gc)("EpsilonMaxTLABSize < MinTLABSize, adjusting it to " SIZE_FORMAT, MinTLABSize);
     EpsilonMaxTLABSize = MinTLABSize;
   }
 
   if (!EpsilonElasticTLAB && EpsilonElasticTLABDecay) {
-    warning("Disabling EpsilonElasticTLABDecay because EpsilonElasticTLAB is disabled");
+    log_warning(gc)("Disabling EpsilonElasticTLABDecay because EpsilonElasticTLAB is disabled");
     FLAG_SET_DEFAULT(EpsilonElasticTLABDecay, false);
   }
 
--- a/src/hotspot/share/gc/g1/g1Analytics.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1Analytics.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -78,6 +78,8 @@
     _alloc_rate_ms_seq(new TruncatedSeq(TruncatedSeqLength)),
     _prev_collection_pause_end_ms(0.0),
     _rs_length_diff_seq(new TruncatedSeq(TruncatedSeqLength)),
+    _concurrent_refine_rate_ms_seq(new TruncatedSeq(TruncatedSeqLength)),
+    _logged_cards_rate_ms_seq(new TruncatedSeq(TruncatedSeqLength)),
     _cost_per_logged_card_ms_seq(new TruncatedSeq(TruncatedSeqLength)),
     _cost_scan_hcc_seq(new TruncatedSeq(TruncatedSeqLength)),
     _young_cards_per_entry_ratio_seq(new TruncatedSeq(TruncatedSeqLength)),
@@ -102,6 +104,10 @@
   int index = MIN2(ParallelGCThreads - 1, 7u);
 
   _rs_length_diff_seq->add(rs_length_diff_defaults[index]);
+  // Start with inverse of maximum STW cost.
+  _concurrent_refine_rate_ms_seq->add(1/cost_per_logged_card_ms_defaults[0]);
+  // Some applications have very low rates for logging cards.
+  _logged_cards_rate_ms_seq->add(0.0);
   _cost_per_logged_card_ms_seq->add(cost_per_logged_card_ms_defaults[index]);
   _cost_scan_hcc_seq->add(0.0);
   _young_cards_per_entry_ratio_seq->add(young_cards_per_entry_ratio_defaults[index]);
@@ -159,6 +165,14 @@
     (pause_time_ms * _recent_prev_end_times_for_all_gcs_sec->num()) / interval_ms;
 }
 
+void G1Analytics::report_concurrent_refine_rate_ms(double cards_per_ms) {
+  _concurrent_refine_rate_ms_seq->add(cards_per_ms);
+}
+
+void G1Analytics::report_logged_cards_rate_ms(double cards_per_ms) {
+  _logged_cards_rate_ms_seq->add(cards_per_ms);
+}
+
 void G1Analytics::report_cost_per_logged_card_ms(double cost_per_logged_card_ms) {
   _cost_per_logged_card_ms_seq->add(cost_per_logged_card_ms);
 }
@@ -223,6 +237,14 @@
   return get_new_prediction(_alloc_rate_ms_seq);
 }
 
+double G1Analytics::predict_concurrent_refine_rate_ms() const {
+  return get_new_prediction(_concurrent_refine_rate_ms_seq);
+}
+
+double G1Analytics::predict_logged_cards_rate_ms() const {
+  return get_new_prediction(_logged_cards_rate_ms_seq);
+}
+
 double G1Analytics::predict_cost_per_logged_card_ms() const {
   return get_new_prediction(_cost_per_logged_card_ms_seq);
 }
--- a/src/hotspot/share/gc/g1/g1Analytics.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1Analytics.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -46,6 +46,8 @@
   double        _prev_collection_pause_end_ms;
 
   TruncatedSeq* _rs_length_diff_seq;
+  TruncatedSeq* _concurrent_refine_rate_ms_seq;
+  TruncatedSeq* _logged_cards_rate_ms_seq;
   TruncatedSeq* _cost_per_logged_card_ms_seq;
   TruncatedSeq* _cost_scan_hcc_seq;
   TruncatedSeq* _young_cards_per_entry_ratio_seq;
@@ -99,6 +101,8 @@
   void report_concurrent_mark_remark_times_ms(double ms);
   void report_concurrent_mark_cleanup_times_ms(double ms);
   void report_alloc_rate_ms(double alloc_rate);
+  void report_concurrent_refine_rate_ms(double cards_per_ms);
+  void report_logged_cards_rate_ms(double cards_per_ms);
   void report_cost_per_logged_card_ms(double cost_per_logged_card_ms);
   void report_cost_scan_hcc(double cost_scan_hcc);
   void report_cost_per_remset_card_ms(double cost_per_remset_card_ms, bool for_young_gc);
@@ -116,6 +120,8 @@
   double predict_alloc_rate_ms() const;
   int num_alloc_rate_ms() const;
 
+  double predict_concurrent_refine_rate_ms() const;
+  double predict_logged_cards_rate_ms() const;
   double predict_cost_per_logged_card_ms() const;
 
   double predict_scan_hcc_ms() const;
--- a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -4076,7 +4076,7 @@
     Atomic::add(r->rem_set()->occupied_locked(), &_rs_length);
 
     if (!is_young) {
-      g1h->_hot_card_cache->reset_card_counts(r);
+      g1h->hot_card_cache()->reset_card_counts(r);
     }
 
     if (!evacuation_failed) {
--- a/src/hotspot/share/gc/g1/g1CollectedHeap.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1CollectedHeap.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -129,7 +129,6 @@
 };
 
 class G1CollectedHeap : public CollectedHeap {
-  friend class G1FreeCollectionSetTask;
   friend class VM_CollectForMetadataAllocation;
   friend class VM_G1CollectForAllocation;
   friend class VM_G1CollectFull;
@@ -1138,7 +1137,7 @@
     return _reserved.contains(addr);
   }
 
-  G1HotCardCache* g1_hot_card_cache() const { return _hot_card_cache; }
+  G1HotCardCache* hot_card_cache() const { return _hot_card_cache; }
 
   G1CardTable* card_table() const {
     return _card_table;
--- a/src/hotspot/share/gc/g1/g1CollectionSet.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1CollectionSet.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -409,7 +409,7 @@
   guarantee(target_pause_time_ms > 0.0,
             "target_pause_time_ms = %1.6lf should be positive", target_pause_time_ms);
 
-  size_t pending_cards = _policy->pending_cards();
+  size_t pending_cards = _policy->pending_cards_at_gc_start();
   double base_time_ms = _policy->predict_base_elapsed_time_ms(pending_cards);
   double time_remaining_ms = MAX2(target_pause_time_ms - base_time_ms, 0.0);
 
--- a/src/hotspot/share/gc/g1/g1ConcurrentRefine.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1ConcurrentRefine.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -412,6 +412,22 @@
   dcqs.notify_if_necessary();
 }
 
+G1ConcurrentRefine::RefinementStats G1ConcurrentRefine::total_refinement_stats() const {
+  struct CollectData : public ThreadClosure {
+    Tickspan _total_time;
+    size_t _total_cards;
+    CollectData() : _total_time(), _total_cards(0) {}
+    virtual void do_thread(Thread* t) {
+      G1ConcurrentRefineThread* crt = static_cast<G1ConcurrentRefineThread*>(t);
+      _total_time += crt->total_refinement_time();
+      _total_cards += crt->total_refined_cards();
+    }
+  } collector;
+  // Cast away const so we can call non-modifying closure on threads.
+  const_cast<G1ConcurrentRefine*>(this)->threads_do(&collector);
+  return RefinementStats(collector._total_time, collector._total_cards);
+}
+
 size_t G1ConcurrentRefine::activation_threshold(uint worker_id) const {
   Thresholds thresholds = calc_thresholds(_green_zone, _yellow_zone, worker_id);
   return activation_level(thresholds);
@@ -432,7 +448,8 @@
   }
 }
 
-bool G1ConcurrentRefine::do_refinement_step(uint worker_id) {
+bool G1ConcurrentRefine::do_refinement_step(uint worker_id,
+                                            size_t* total_refined_cards) {
   G1DirtyCardQueueSet& dcqs = G1BarrierSet::dirty_card_queue_set();
 
   size_t curr_cards = dcqs.num_cards();
@@ -448,5 +465,6 @@
 
   // Process the next buffer, if there are enough left.
   return dcqs.refine_completed_buffer_concurrently(worker_id + worker_id_offset(),
-                                                   deactivation_threshold(worker_id));
+                                                   deactivation_threshold(worker_id),
+                                                   total_refined_cards);
 }
--- a/src/hotspot/share/gc/g1/g1ConcurrentRefine.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1ConcurrentRefine.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -27,6 +27,7 @@
 
 #include "memory/allocation.hpp"
 #include "utilities/globalDefinitions.hpp"
+#include "utilities/ticks.hpp"
 
 // Forward decl
 class G1ConcurrentRefine;
@@ -118,11 +119,22 @@
   // Adjust refinement thresholds based on work done during the pause and the goal time.
   void adjust(double logged_cards_scan_time, size_t processed_logged_cards, double goal_ms);
 
+  struct RefinementStats {
+    Tickspan _time;
+    size_t _cards;
+    RefinementStats(Tickspan time, size_t cards) : _time(time), _cards(cards) {}
+  };
+
+  RefinementStats total_refinement_stats() const;
+
   // Cards in the dirty card queue set.
   size_t activation_threshold(uint worker_id) const;
   size_t deactivation_threshold(uint worker_id) const;
-  // Perform a single refinement step. Called by the refinement threads when woken up.
-  bool do_refinement_step(uint worker_id);
+
+  // Perform a single refinement step; called by the refinement
+  // threads.  Returns true if there was refinement work available.
+  // Increments *total_refined_cards.
+  bool do_refinement_step(uint worker_id, size_t* total_refined_cards);
 
   // Iterate over all concurrent refinement threads applying the given closure.
   void threads_do(ThreadClosure *tc);
--- a/src/hotspot/share/gc/g1/g1ConcurrentRefineThread.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1ConcurrentRefineThread.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -37,6 +37,8 @@
   ConcurrentGCThread(),
   _vtime_start(0.0),
   _vtime_accum(0.0),
+  _total_refinement_time(),
+  _total_refined_cards(0),
   _worker_id(worker_id),
   _active(false),
   _monitor(NULL),
@@ -101,11 +103,12 @@
       break;
     }
 
-    size_t buffers_processed = 0;
     log_debug(gc, refine)("Activated worker %d, on threshold: " SIZE_FORMAT ", current: " SIZE_FORMAT,
                           _worker_id, _cr->activation_threshold(_worker_id),
                           G1BarrierSet::dirty_card_queue_set().num_cards());
 
+    size_t start_total_refined_cards = _total_refined_cards; // For logging.
+
     {
       SuspendibleThreadSetJoiner sts_join;
 
@@ -115,20 +118,22 @@
           continue;             // Re-check for termination after yield delay.
         }
 
-        if (!_cr->do_refinement_step(_worker_id)) {
-          break;
+        Ticks start_time = Ticks::now();
+        if (!_cr->do_refinement_step(_worker_id, &_total_refined_cards)) {
+          break;                // No cards to process.
         }
-        ++buffers_processed;
+        _total_refinement_time += (Ticks::now() - start_time);
       }
     }
 
     deactivate();
     log_debug(gc, refine)("Deactivated worker %d, off threshold: " SIZE_FORMAT
-                          ", current: " SIZE_FORMAT ", buffers processed: "
-                          SIZE_FORMAT,
+                          ", current: " SIZE_FORMAT ", refined cards: "
+                          SIZE_FORMAT ", total refined cards: " SIZE_FORMAT,
                           _worker_id, _cr->deactivation_threshold(_worker_id),
                           G1BarrierSet::dirty_card_queue_set().num_cards(),
-                          buffers_processed);
+                          _total_refined_cards - start_total_refined_cards,
+                          _total_refined_cards);
 
     if (os::supports_vtime()) {
       _vtime_accum = (os::elapsedVTime() - _vtime_start);
--- a/src/hotspot/share/gc/g1/g1ConcurrentRefineThread.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1ConcurrentRefineThread.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -26,6 +26,7 @@
 #define SHARE_GC_G1_G1CONCURRENTREFINETHREAD_HPP
 
 #include "gc/shared/concurrentGCThread.hpp"
+#include "utilities/ticks.hpp"
 
 // Forward Decl.
 class G1ConcurrentRefine;
@@ -38,6 +39,10 @@
 
   double _vtime_start;  // Initial virtual time.
   double _vtime_accum;  // Accumulated virtual time.
+
+  Tickspan _total_refinement_time;
+  size_t _total_refined_cards;
+
   uint _worker_id;
 
   bool _active;
@@ -61,6 +66,9 @@
   // Activate this thread.
   void activate();
 
+  Tickspan total_refinement_time() const { return _total_refinement_time; }
+  size_t total_refined_cards() const { return _total_refined_cards; }
+
   // Total virtual time so far.
   double vtime_accum() { return _vtime_accum; }
 };
--- a/src/hotspot/share/gc/g1/g1DirtyCardQueue.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1DirtyCardQueue.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -37,6 +37,7 @@
 #include "runtime/atomic.hpp"
 #include "runtime/flags/flagSetting.hpp"
 #include "runtime/mutexLocker.hpp"
+#include "runtime/os.hpp"
 #include "runtime/safepoint.hpp"
 #include "runtime/thread.inline.hpp"
 #include "runtime/threadSMR.hpp"
@@ -62,6 +63,9 @@
   }
 }
 
+// Assumed to be zero by concurrent threads.
+static uint par_ids_start() { return 0; }
+
 G1DirtyCardQueueSet::G1DirtyCardQueueSet(Monitor* cbl_mon,
                                          BufferNode::Allocator* allocator) :
   PtrQueueSet(allocator),
@@ -73,15 +77,16 @@
   _process_completed_buffers(false),
   _max_cards(MaxCardsUnlimited),
   _max_cards_padding(0),
-  _free_ids(0, num_par_ids()),
-  _processed_buffers_mut(0),
-  _processed_buffers_rs_thread(0)
+  _free_ids(par_ids_start(), num_par_ids()),
+  _mutator_refined_cards_counters(NEW_C_HEAP_ARRAY(size_t, num_par_ids(), mtGC))
 {
+  ::memset(_mutator_refined_cards_counters, 0, num_par_ids() * sizeof(size_t));
   _all_active = true;
 }
 
 G1DirtyCardQueueSet::~G1DirtyCardQueueSet() {
   abandon_completed_buffers();
+  FREE_C_HEAP_ARRAY(size_t, _mutator_refined_cards_counters);
 }
 
 // Determines how many mutator threads can process the buffers in parallel.
@@ -89,6 +94,14 @@
   return (uint)os::initial_active_processor_count();
 }
 
+size_t G1DirtyCardQueueSet::total_mutator_refined_cards() const {
+  size_t sum = 0;
+  for (uint i = 0; i < num_par_ids(); ++i) {
+    sum += _mutator_refined_cards_counters[i];
+  }
+  return sum;
+}
+
 void G1DirtyCardQueueSet::handle_zero_index_for_thread(Thread* t) {
   G1ThreadLocalData::dirty_card_queue(t).handle_zero_index();
 }
@@ -213,7 +226,9 @@
   return result;
 }
 
-bool G1DirtyCardQueueSet::refine_buffer(BufferNode* node, uint worker_id) {
+bool G1DirtyCardQueueSet::refine_buffer(BufferNode* node,
+                                        uint worker_id,
+                                        size_t* total_refined_cards) {
   G1RemSet* rem_set = G1CollectedHeap::heap()->rem_set();
   size_t size = buffer_size();
   void** buffer = BufferNode::make_buffer_from_node(node);
@@ -223,6 +238,7 @@
     CardTable::CardValue* cp = static_cast<CardTable::CardValue*>(buffer[i]);
     rem_set->refine_card_concurrently(cp, worker_id);
   }
+  *total_refined_cards += (i - node->index());
   node->set_index(i);
   return i == size;
 }
@@ -260,25 +276,27 @@
 
 bool G1DirtyCardQueueSet::mut_process_buffer(BufferNode* node) {
   uint worker_id = _free_ids.claim_par_id(); // temporarily claim an id
-  bool result = refine_buffer(node, worker_id);
+  uint counter_index = worker_id - par_ids_start();
+  size_t* counter = &_mutator_refined_cards_counters[counter_index];
+  bool result = refine_buffer(node, worker_id, counter);
   _free_ids.release_par_id(worker_id); // release the id
 
   if (result) {
     assert_fully_consumed(node, buffer_size());
-    Atomic::inc(&_processed_buffers_mut);
   }
   return result;
 }
 
-bool G1DirtyCardQueueSet::refine_completed_buffer_concurrently(uint worker_id, size_t stop_at) {
+bool G1DirtyCardQueueSet::refine_completed_buffer_concurrently(uint worker_id,
+                                                               size_t stop_at,
+                                                               size_t* total_refined_cards) {
   BufferNode* node = get_completed_buffer(stop_at);
   if (node == NULL) {
     return false;
-  } else if (refine_buffer(node, worker_id)) {
+  } else if (refine_buffer(node, worker_id, total_refined_cards)) {
     assert_fully_consumed(node, buffer_size());
     // Done with fully processed buffer.
     deallocate_buffer(node);
-    Atomic::inc(&_processed_buffers_rs_thread);
     return true;
   } else {
     // Return partially processed buffer to the queue.
--- a/src/hotspot/share/gc/g1/g1DirtyCardQueue.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1DirtyCardQueue.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -78,14 +78,15 @@
 
   void abandon_completed_buffers();
 
-  // Refine the cards in "node" from it's index to buffer_size.
+  // Refine the cards in "node" from its index to buffer_size.
   // Stops processing if SuspendibleThreadSet::should_yield() is true.
   // Returns true if the entire buffer was processed, false if there
   // is a pending yield request.  The node's index is updated to exclude
   // the processed elements, e.g. up to the element before processing
   // stopped, or one past the last element if the entire buffer was
-  // processed.
-  bool refine_buffer(BufferNode* node, uint worker_id);
+  // processed. Increments *total_refined_cards by the number of cards
+  // processed and removed from the buffer.
+  bool refine_buffer(BufferNode* node, uint worker_id, size_t* total_refined_cards);
 
   bool mut_process_buffer(BufferNode* node);
 
@@ -97,10 +98,9 @@
 
   G1FreeIdSet _free_ids;
 
-  // The number of completed buffers processed by mutator and rs thread,
-  // respectively.
-  jint _processed_buffers_mut;
-  jint _processed_buffers_rs_thread;
+  // Array of cumulative dirty cards refined by mutator threads.
+  // Array has an entry per id in _free_ids.
+  size_t* _mutator_refined_cards_counters;
 
 public:
   G1DirtyCardQueueSet(Monitor* cbl_mon, BufferNode::Allocator* allocator);
@@ -158,7 +158,12 @@
   // Stops processing a buffer if SuspendibleThreadSet::should_yield(),
   // returning the incompletely processed buffer to the completed buffer
   // list, for later processing of the remainder.
-  bool refine_completed_buffer_concurrently(uint worker_id, size_t stop_at);
+  //
+  // Increments *total_refined_cards by the number of cards processed and
+  // removed from the buffer.
+  bool refine_completed_buffer_concurrently(uint worker_id,
+                                            size_t stop_at,
+                                            size_t* total_refined_cards);
 
   // If a full collection is happening, reset partial logs, and release
   // completed ones: the full collection will make them all irrelevant.
@@ -181,13 +186,8 @@
     return _max_cards_padding;
   }
 
-  jint processed_buffers_mut() {
-    return _processed_buffers_mut;
-  }
-  jint processed_buffers_rs_thread() {
-    return _processed_buffers_rs_thread;
-  }
-
+  // Total dirty cards refined by mutator threads.
+  size_t total_mutator_refined_cards() const;
 };
 
 inline G1DirtyCardQueueSet* G1DirtyCardQueue::dirty_card_qset() const {
--- a/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1FullGCPrepareTask.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -114,8 +114,9 @@
   hr->rem_set()->clear();
   hr->clear_cardtable();
 
-  if (_g1h->g1_hot_card_cache()->use_cache()) {
-    _g1h->g1_hot_card_cache()->reset_card_counts(hr);
+  G1HotCardCache* hcc = _g1h->hot_card_cache();
+  if (hcc->use_cache()) {
+    hcc->reset_card_counts(hr);
   }
 }
 
--- a/src/hotspot/share/gc/g1/g1Policy.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1Policy.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -70,7 +70,11 @@
   _free_regions_at_end_of_collection(0),
   _max_rs_length(0),
   _rs_length_prediction(0),
-  _pending_cards(0),
+  _pending_cards_at_gc_start(0),
+  _pending_cards_at_prev_gc_end(0),
+  _total_mutator_refined_cards(0),
+  _total_concurrent_refined_cards(0),
+  _total_concurrent_refinement_time(),
   _bytes_allocated_in_old_since_last_gc(0),
   _initial_mark_to_mixed(),
   _collection_set(NULL),
@@ -442,6 +446,7 @@
   collector_state()->set_in_young_only_phase(false);
   collector_state()->set_in_full_gc(true);
   _collection_set->clear_candidates();
+  record_concurrent_refinement_data(true /* is_full_collection */);
 }
 
 void G1Policy::record_full_collection_end() {
@@ -472,12 +477,67 @@
   _survivor_surv_rate_group->reset();
   update_young_list_max_and_target_length();
   update_rs_length_prediction();
+  _pending_cards_at_prev_gc_end = _g1h->pending_card_num();
 
   _bytes_allocated_in_old_since_last_gc = 0;
 
   record_pause(FullGC, _full_collection_start_sec, end_sec);
 }
 
+void G1Policy::record_concurrent_refinement_data(bool is_full_collection) {
+  _pending_cards_at_gc_start = _g1h->pending_card_num();
+
+  // Record info about concurrent refinement thread processing.
+  G1ConcurrentRefine* cr = _g1h->concurrent_refine();
+  G1ConcurrentRefine::RefinementStats cr_stats = cr->total_refinement_stats();
+
+  Tickspan cr_time = cr_stats._time - _total_concurrent_refinement_time;
+  _total_concurrent_refinement_time = cr_stats._time;
+
+  size_t cr_cards = cr_stats._cards - _total_concurrent_refined_cards;
+  _total_concurrent_refined_cards = cr_stats._cards;
+
+  // Don't update rate if full collection.  We could be in an implicit full
+  // collection after a non-full collection failure, in which case there
+  // wasn't any mutator/cr-thread activity since last recording.  And if
+  // we're in an explicit full collection, the time since the last GC can
+  // be arbitrarily short, so not a very good sample.  Similarly, don't
+  // update the rate if the current sample is empty or time is zero.
+  if (!is_full_collection && (cr_cards > 0) && (cr_time > Tickspan())) {
+    double rate = cr_cards / (cr_time.seconds() * MILLIUNITS);
+    _analytics->report_concurrent_refine_rate_ms(rate);
+  }
+
+  // Record info about mutator thread processing.
+  G1DirtyCardQueueSet& dcqs = G1BarrierSet::dirty_card_queue_set();
+  size_t mut_total_cards = dcqs.total_mutator_refined_cards();
+  size_t mut_cards = mut_total_cards - _total_mutator_refined_cards;
+  _total_mutator_refined_cards = mut_total_cards;
+
+  // Record mutator's card logging rate.
+  // Don't update if full collection; see above.
+  if (!is_full_collection) {
+    size_t total_cards = _pending_cards_at_gc_start + cr_cards + mut_cards;
+    assert(_pending_cards_at_prev_gc_end <= total_cards,
+           "untracked cards: last pending: " SIZE_FORMAT
+           ", pending: " SIZE_FORMAT ", conc refine: " SIZE_FORMAT
+           ", mut refine:" SIZE_FORMAT,
+           _pending_cards_at_prev_gc_end, _pending_cards_at_gc_start,
+           cr_cards, mut_cards);
+    size_t logged_cards = total_cards - _pending_cards_at_prev_gc_end;
+    double logging_start_time = _analytics->prev_collection_pause_end_ms();
+    double logging_end_time = Ticks::now().seconds() * MILLIUNITS;
+    double logging_time = logging_end_time - logging_start_time;
+    // Unlike above for conc-refine rate, here we should not require a
+    // non-empty sample, since an application could go some time with only
+    // young-gen or filtered out writes.  But we'll ignore unusually short
+    // sample periods, as they may just pollute the predictions.
+    if (logging_time > 1.0) {   // Require > 1ms sample time.
+      _analytics->report_logged_cards_rate_ms(logged_cards / logging_time);
+    }
+  }
+}
+
 void G1Policy::record_collection_pause_start(double start_time_sec) {
   // We only need to do this here as the policy will only be applied
   // to the GC we're about to start. so, no point is calculating this
@@ -490,7 +550,8 @@
   assert_used_and_recalculate_used_equal(_g1h);
 
   phase_times()->record_cur_collection_start_sec(start_time_sec);
-  _pending_cards = _g1h->pending_card_num();
+
+  record_concurrent_refinement_data(false /* is_full_collection */);
 
   _collection_set->reset_bytes_used_before();
   _bytes_copied_during_gc = 0;
@@ -744,7 +805,7 @@
     // after the mixed gc phase.
     // During mixed gc we do not use them for young gen sizing.
     if (this_pause_was_young_only) {
-      _analytics->report_pending_cards((double) _pending_cards);
+      _analytics->report_pending_cards((double) _pending_cards_at_gc_start);
       _analytics->report_rs_length((double) _max_rs_length);
     }
   }
@@ -798,6 +859,7 @@
     scan_logged_cards_time_goal_ms -= scan_hcc_time_ms;
   }
 
+  _pending_cards_at_prev_gc_end = _g1h->pending_card_num();
   double const logged_cards_time = logged_cards_processing_time();
 
   log_debug(gc, ergo, refine)("Concurrent refinement times: Logged Cards Scan time goal: %1.2fms Logged Cards Scan time: %1.2fms HCC time: %1.2fms",
--- a/src/hotspot/share/gc/g1/g1Policy.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1Policy.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -100,7 +100,11 @@
 
   size_t _rs_length_prediction;
 
-  size_t _pending_cards;
+  size_t _pending_cards_at_gc_start;
+  size_t _pending_cards_at_prev_gc_end;
+  size_t _total_mutator_refined_cards;
+  size_t _total_concurrent_refined_cards;
+  Tickspan _total_concurrent_refinement_time;
 
   // The amount of allocated bytes in old gen during the last mutator and the following
   // young GC phase.
@@ -244,7 +248,15 @@
                         uint base_free_regions, double target_pause_time_ms) const;
 
 public:
-  size_t pending_cards() const { return _pending_cards; }
+  size_t pending_cards_at_gc_start() const { return _pending_cards_at_gc_start; }
+
+  size_t total_concurrent_refined_cards() const {
+    return _total_concurrent_refined_cards;
+  }
+
+  size_t total_mutator_refined_cards() const {
+    return _total_mutator_refined_cards;
+  }
 
   // Calculate the minimum number of old regions we'll add to the CSet
   // during a mixed GC.
@@ -283,6 +295,9 @@
   void record_pause(PauseKind kind, double start, double end);
   // Indicate that we aborted marking before doing any mixed GCs.
   void abort_time_to_mixed_tracking();
+
+  void record_concurrent_refinement_data(bool is_full_collection);
+
 public:
 
   G1Policy(STWGCTimer* gc_timer);
--- a/src/hotspot/share/gc/g1/g1RemSet.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1RemSet.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -489,7 +489,6 @@
   _scan_state(new G1RemSetScanState()),
   _prev_period_summary(),
   _g1h(g1h),
-  _num_conc_refined_cards(0),
   _ct(ct),
   _g1p(_g1h->policy()),
   _hot_card_cache(hot_card_cache) {
@@ -1377,7 +1376,6 @@
 
   G1ConcurrentRefineOopClosure conc_refine_cl(_g1h, worker_id);
   if (r->oops_on_memregion_seq_iterate_careful<false>(dirty_region, &conc_refine_cl) != NULL) {
-    _num_conc_refined_cards++; // Unsynchronized update, only used for logging.
     return;
   }
 
--- a/src/hotspot/share/gc/g1/g1RemSet.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1RemSet.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -61,7 +61,6 @@
   G1RemSetSummary _prev_period_summary;
 
   G1CollectedHeap* _g1h;
-  size_t _num_conc_refined_cards; // Number of cards refined concurrently to the mutator.
 
   G1CardTable*           _ct;
   G1Policy*              _g1p;
@@ -125,8 +124,6 @@
   // Print accumulated summary info from the last time called.
   void print_periodic_summary_info(const char* header, uint period_count);
 
-  size_t num_conc_refined_cards() const { return _num_conc_refined_cards; }
-
   // Rebuilds the remembered set by scanning from bottom to TARS for all regions
   // using the given work gang.
   void rebuild_rem_set(G1ConcurrentMark* cm, WorkGang* workers, uint worker_id_offset);
--- a/src/hotspot/share/gc/g1/g1RemSetSummary.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1RemSetSummary.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -27,6 +27,7 @@
 #include "gc/g1/g1ConcurrentRefine.hpp"
 #include "gc/g1/g1ConcurrentRefineThread.hpp"
 #include "gc/g1/g1DirtyCardQueue.hpp"
+#include "gc/g1/g1Policy.hpp"
 #include "gc/g1/g1RemSet.hpp"
 #include "gc/g1/g1RemSetSummary.hpp"
 #include "gc/g1/g1YoungRemSetSamplingThread.hpp"
@@ -53,18 +54,17 @@
 };
 
 void G1RemSetSummary::update() {
-  _num_conc_refined_cards = _rem_set->num_conc_refined_cards();
-  G1DirtyCardQueueSet& dcqs = G1BarrierSet::dirty_card_queue_set();
-  _num_processed_buf_mutator = dcqs.processed_buffers_mut();
-  _num_processed_buf_rs_threads = dcqs.processed_buffers_rs_thread();
+  G1CollectedHeap* g1h = G1CollectedHeap::heap();
+
+  const G1Policy* policy = g1h->policy();
+  _total_mutator_refined_cards = policy->total_mutator_refined_cards();
+  _total_concurrent_refined_cards = policy->total_concurrent_refined_cards();
 
   _num_coarsenings = HeapRegionRemSet::n_coarsenings();
 
-  G1CollectedHeap* g1h = G1CollectedHeap::heap();
-  G1ConcurrentRefine* cg1r = g1h->concurrent_refine();
   if (_rs_threads_vtimes != NULL) {
     GetRSThreadVTimeClosure p(this);
-    cg1r->threads_do(&p);
+    g1h->concurrent_refine()->threads_do(&p);
   }
   set_sampling_thread_vtime(g1h->sampling_thread()->vtime_accum());
 }
@@ -83,9 +83,8 @@
 
 G1RemSetSummary::G1RemSetSummary() :
   _rem_set(NULL),
-  _num_conc_refined_cards(0),
-  _num_processed_buf_mutator(0),
-  _num_processed_buf_rs_threads(0),
+  _total_mutator_refined_cards(0),
+  _total_concurrent_refined_cards(0),
   _num_coarsenings(0),
   _num_vtimes(G1ConcurrentRefine::max_num_threads()),
   _rs_threads_vtimes(NEW_C_HEAP_ARRAY(double, _num_vtimes, mtGC)),
@@ -96,9 +95,8 @@
 
 G1RemSetSummary::G1RemSetSummary(G1RemSet* rem_set) :
   _rem_set(rem_set),
-  _num_conc_refined_cards(0),
-  _num_processed_buf_mutator(0),
-  _num_processed_buf_rs_threads(0),
+  _total_mutator_refined_cards(0),
+  _total_concurrent_refined_cards(0),
   _num_coarsenings(0),
   _num_vtimes(G1ConcurrentRefine::max_num_threads()),
   _rs_threads_vtimes(NEW_C_HEAP_ARRAY(double, _num_vtimes, mtGC)),
@@ -114,12 +112,10 @@
   assert(other != NULL, "just checking");
   assert(_num_vtimes == other->_num_vtimes, "just checking");
 
-  _num_conc_refined_cards = other->num_conc_refined_cards();
+  _total_mutator_refined_cards = other->total_mutator_refined_cards();
+  _total_concurrent_refined_cards = other->total_concurrent_refined_cards();
 
-  _num_processed_buf_mutator = other->num_processed_buf_mutator();
-  _num_processed_buf_rs_threads = other->num_processed_buf_rs_threads();
-
-  _num_coarsenings = other->_num_coarsenings;
+  _num_coarsenings = other->num_coarsenings();
 
   memcpy(_rs_threads_vtimes, other->_rs_threads_vtimes, sizeof(double) * _num_vtimes);
 
@@ -130,10 +126,8 @@
   assert(other != NULL, "just checking");
   assert(_num_vtimes == other->_num_vtimes, "just checking");
 
-  _num_conc_refined_cards = other->num_conc_refined_cards() - _num_conc_refined_cards;
-
-  _num_processed_buf_mutator = other->num_processed_buf_mutator() - _num_processed_buf_mutator;
-  _num_processed_buf_rs_threads = other->num_processed_buf_rs_threads() - _num_processed_buf_rs_threads;
+  _total_mutator_refined_cards = other->total_mutator_refined_cards() - _total_mutator_refined_cards;
+  _total_concurrent_refined_cards = other->total_concurrent_refined_cards() - _total_concurrent_refined_cards;
 
   _num_coarsenings = other->num_coarsenings() - _num_coarsenings;
 
@@ -356,16 +350,15 @@
 
 void G1RemSetSummary::print_on(outputStream* out) {
   out->print_cr(" Recent concurrent refinement statistics");
-  out->print_cr("  Processed " SIZE_FORMAT " cards concurrently", num_conc_refined_cards());
-  out->print_cr("  Of " SIZE_FORMAT " completed buffers:", num_processed_buf_total());
-  out->print_cr("     " SIZE_FORMAT_W(8) " (%5.1f%%) by concurrent RS threads.",
-                num_processed_buf_total(),
-                percent_of(num_processed_buf_rs_threads(), num_processed_buf_total()));
+  out->print_cr("  Of " SIZE_FORMAT " refined cards:", total_refined_cards());
+  out->print_cr("     " SIZE_FORMAT_W(8) " (%5.1f%%) by concurrent refinement threads.",
+                total_concurrent_refined_cards(),
+                percent_of(total_concurrent_refined_cards(), total_refined_cards()));
   out->print_cr("     " SIZE_FORMAT_W(8) " (%5.1f%%) by mutator threads.",
-                num_processed_buf_mutator(),
-                percent_of(num_processed_buf_mutator(), num_processed_buf_total()));
+                total_mutator_refined_cards(),
+                percent_of(total_mutator_refined_cards(), total_refined_cards()));
   out->print_cr("  Did " SIZE_FORMAT " coarsenings.", num_coarsenings());
-  out->print_cr("  Concurrent RS threads times (s)");
+  out->print_cr("  Concurrent refinement threads times (s)");
   out->print("     ");
   for (uint i = 0; i < _num_vtimes; i++) {
     out->print("    %5.2f", rs_thread_vtime(i));
--- a/src/hotspot/share/gc/g1/g1RemSetSummary.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/g1RemSetSummary.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -38,9 +38,8 @@
 
   G1RemSet* _rem_set;
 
-  size_t _num_conc_refined_cards;
-  size_t _num_processed_buf_mutator;
-  size_t _num_processed_buf_rs_threads;
+  size_t _total_mutator_refined_cards;
+  size_t _total_concurrent_refined_cards;
 
   size_t _num_coarsenings;
 
@@ -76,20 +75,16 @@
     return _sampling_thread_vtime;
   }
 
-  size_t num_conc_refined_cards() const {
-    return _num_conc_refined_cards;
+  size_t total_mutator_refined_cards() const {
+    return _total_mutator_refined_cards;
   }
 
-  size_t num_processed_buf_mutator() const {
-    return _num_processed_buf_mutator;
+  size_t total_concurrent_refined_cards() const {
+    return _total_concurrent_refined_cards;
   }
 
-  size_t num_processed_buf_rs_threads() const {
-    return _num_processed_buf_rs_threads;
-  }
-
-  size_t num_processed_buf_total() const {
-    return num_processed_buf_mutator() + num_processed_buf_rs_threads();
+  size_t total_refined_cards() const {
+    return total_mutator_refined_cards() + total_concurrent_refined_cards();
   }
 
   size_t num_coarsenings() const {
--- a/src/hotspot/share/gc/g1/heapRegionRemSet.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/heapRegionRemSet.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -186,10 +186,6 @@
     _collision_list_next(NULL)
   {}
 
-  inline void add_card_work(CardIdx_t from_card, bool par);
-
-  inline void add_reference_work(OopOrNarrowOopStar from, bool par);
-
 public:
   // We need access in order to union things into the base table.
   BitMap* bm() { return &_bm; }
@@ -206,12 +202,8 @@
 
   inline void add_reference(OopOrNarrowOopStar from);
 
-  inline void seq_add_reference(OopOrNarrowOopStar from);
-
   inline void add_card(CardIdx_t from_card_index);
 
-  void seq_add_card(CardIdx_t from_card_index);
-
   // (Destructively) union the bitmap of the current table into the given
   // bitmap (which is assumed to be of the same size.)
   void union_bitmap_into(BitMap* bm) {
@@ -381,12 +373,6 @@
     _state = Complete;
   }
 
-  // Used in the sequential case.
-  void add_reference(OopOrNarrowOopStar from) {
-    add_reference(from, 0);
-  }
-
-  // Used in the parallel case.
   void add_reference(OopOrNarrowOopStar from, uint tid) {
     RemSetState state = _state;
     if (state == Untracked) {
--- a/src/hotspot/share/gc/g1/heapRegionRemSet.inline.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/g1/heapRegionRemSet.inline.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -35,20 +35,13 @@
   _other_regions.iterate(cl);
 }
 
-inline void PerRegionTable::add_card_work(CardIdx_t from_card, bool par) {
-  if (!_bm.at(from_card)) {
-    if (par) {
-      if (_bm.par_set_bit(from_card)) {
-        Atomic::inc(&_occupied);
-      }
-    } else {
-      _bm.set_bit(from_card);
-      _occupied++;
-    }
+inline void PerRegionTable::add_card(CardIdx_t from_card_index) {
+  if (_bm.par_set_bit(from_card_index)) {
+    Atomic::inc(&_occupied);
   }
 }
 
-inline void PerRegionTable::add_reference_work(OopOrNarrowOopStar from, bool par) {
+inline void PerRegionTable::add_reference(OopOrNarrowOopStar from) {
   // Must make this robust in case "from" is not in "_hr", because of
   // concurrency.
 
@@ -58,26 +51,10 @@
   // and adding a bit to the new table is never incorrect.
   if (loc_hr->is_in_reserved(from)) {
     CardIdx_t from_card = OtherRegionsTable::card_within_region(from, loc_hr);
-    add_card_work(from_card, par);
+    add_card(from_card);
   }
 }
 
-inline void PerRegionTable::add_card(CardIdx_t from_card_index) {
-  add_card_work(from_card_index, /*parallel*/ true);
-}
-
-inline void PerRegionTable::seq_add_card(CardIdx_t from_card_index) {
-  add_card_work(from_card_index, /*parallel*/ false);
-}
-
-inline void PerRegionTable::add_reference(OopOrNarrowOopStar from) {
-  add_reference_work(from, /*parallel*/ true);
-}
-
-inline void PerRegionTable::seq_add_reference(OopOrNarrowOopStar from) {
-  add_reference_work(from, /*parallel*/ false);
-}
-
 inline void PerRegionTable::init(HeapRegion* hr, bool clear_links_to_all_list) {
   if (clear_links_to_all_list) {
     set_next(NULL);
--- a/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shared/c2/barrierSetC2.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -264,7 +264,7 @@
   virtual void clone_at_expansion(PhaseMacroExpand* phase, ArrayCopyNode* ac) const;
 
   // Support for GC barriers emitted during parsing
-  virtual bool has_load_barriers() const { return false; }
+  virtual bool has_load_barrier_nodes() const { return false; }
   virtual bool is_gc_barrier_node(Node* node) const { return false; }
   virtual Node* step_over_gc_barrier(Node* c) const { return c; }
   virtual Node* step_over_gc_barrier_ctrl(Node* c) const { return c; }
@@ -287,13 +287,9 @@
   virtual bool is_gc_specific_loop_opts_pass(LoopOptsMode mode) const { return false; }
 
   virtual bool has_special_unique_user(const Node* node) const { return false; }
-  virtual bool needs_anti_dependence_check(const Node* node) const { return true; }
-
-  virtual void barrier_insertion_phase(Compile* C, PhaseIterGVN &igvn) const { }
 
   enum CompilePhase {
     BeforeOptimize,
-    BeforeLateInsertion,
     BeforeMacroExpand,
     BeforeCodeGen
   };
@@ -320,6 +316,10 @@
   virtual Node* split_if_pre(PhaseIdealLoop* phase, Node* n) const { return NULL; }
   virtual bool build_loop_late_post(PhaseIdealLoop* phase, Node* n) const { return false; }
   virtual bool sink_node(PhaseIdealLoop* phase, Node* n, Node* x, Node* x_ctrl, Node* n_ctrl) const { return false; }
+
+  virtual void late_barrier_analysis() const { }
+  virtual int estimate_stub_size() const { return 0; }
+  virtual void emit_stubs(CodeBuffer& cb) const { }
 };
 
 #endif // SHARE_GC_SHARED_C2_BARRIERSETC2_HPP
--- a/src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -103,7 +103,7 @@
   static const TypeFunc* write_ref_field_pre_entry_Type();
   static const TypeFunc* shenandoah_clone_barrier_Type();
   static const TypeFunc* shenandoah_load_reference_barrier_Type();
-  virtual bool has_load_barriers() const { return true; }
+  virtual bool has_load_barrier_nodes() const { return true; }
 
   // This is the entry-point for the backend to perform accesses through the Access API.
   virtual void clone_at_expansion(PhaseMacroExpand* phase, ArrayCopyNode* ac) const;
--- a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahAdaptiveHeuristics.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahAdaptiveHeuristics.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -66,9 +66,12 @@
   size_t min_garbage = free_target > actual_free ? (free_target - actual_free) : 0;
   size_t max_cset    = (size_t)((1.0 * capacity / 100 * ShenandoahEvacReserve) / ShenandoahEvacWaste);
 
-  log_info(gc, ergo)("Adaptive CSet Selection. Target Free: " SIZE_FORMAT "M, Actual Free: "
-                     SIZE_FORMAT "M, Max CSet: " SIZE_FORMAT "M, Min Garbage: " SIZE_FORMAT "M",
-                     free_target / M, actual_free / M, max_cset / M, min_garbage / M);
+  log_info(gc, ergo)("Adaptive CSet Selection. Target Free: " SIZE_FORMAT "%s, Actual Free: "
+                     SIZE_FORMAT "%s, Max CSet: " SIZE_FORMAT "%s, Min Garbage: " SIZE_FORMAT "%s",
+                     byte_size_in_proper_unit(free_target), proper_unit_for_byte_size(free_target),
+                     byte_size_in_proper_unit(actual_free), proper_unit_for_byte_size(actual_free),
+                     byte_size_in_proper_unit(max_cset),    proper_unit_for_byte_size(max_cset),
+                     byte_size_in_proper_unit(min_garbage), proper_unit_for_byte_size(min_garbage));
 
   // Better select garbage-first regions
   QuickSort::sort<RegionData>(data, (int)size, compare_by_garbage, false);
@@ -119,8 +122,9 @@
   // anything else.
   size_t min_threshold = capacity / 100 * ShenandoahMinFreeThreshold;
   if (available < min_threshold) {
-    log_info(gc)("Trigger: Free (" SIZE_FORMAT "M) is below minimum threshold (" SIZE_FORMAT "M)",
-                 available / M, min_threshold / M);
+    log_info(gc)("Trigger: Free (" SIZE_FORMAT "%s) is below minimum threshold (" SIZE_FORMAT "%s)",
+                 byte_size_in_proper_unit(available),     proper_unit_for_byte_size(available),
+                 byte_size_in_proper_unit(min_threshold), proper_unit_for_byte_size(min_threshold));
     return true;
   }
 
@@ -129,8 +133,10 @@
   if (_gc_times_learned < max_learn) {
     size_t init_threshold = capacity / 100 * ShenandoahInitFreeThreshold;
     if (available < init_threshold) {
-      log_info(gc)("Trigger: Learning " SIZE_FORMAT " of " SIZE_FORMAT ". Free (" SIZE_FORMAT "M) is below initial threshold (" SIZE_FORMAT "M)",
-                   _gc_times_learned + 1, max_learn, available / M, init_threshold / M);
+      log_info(gc)("Trigger: Learning " SIZE_FORMAT " of " SIZE_FORMAT ". Free (" SIZE_FORMAT "%s) is below initial threshold (" SIZE_FORMAT "%s)",
+                   _gc_times_learned + 1, max_learn,
+                   byte_size_in_proper_unit(available),      proper_unit_for_byte_size(available),
+                   byte_size_in_proper_unit(init_threshold), proper_unit_for_byte_size(init_threshold));
       return true;
     }
   }
@@ -154,10 +160,15 @@
   double allocation_rate = heap->bytes_allocated_since_gc_start() / time_since_last;
 
   if (average_gc > allocation_headroom / allocation_rate) {
-    log_info(gc)("Trigger: Average GC time (%.2f ms) is above the time for allocation rate (%.2f MB/s) to deplete free headroom (" SIZE_FORMAT "M)",
-                 average_gc * 1000, allocation_rate / M, allocation_headroom / M);
-    log_info(gc, ergo)("Free headroom: " SIZE_FORMAT "M (free) - " SIZE_FORMAT "M (spike) - " SIZE_FORMAT "M (penalties) = " SIZE_FORMAT "M",
-                       available / M, spike_headroom / M, penalties / M, allocation_headroom / M);
+    log_info(gc)("Trigger: Average GC time (%.2f ms) is above the time for allocation rate (%.0f %sB/s) to deplete free headroom (" SIZE_FORMAT "%s)",
+                 average_gc * 1000,
+                 byte_size_in_proper_unit(allocation_rate),     proper_unit_for_byte_size(allocation_rate),
+                 byte_size_in_proper_unit(allocation_headroom), proper_unit_for_byte_size(allocation_headroom));
+    log_info(gc, ergo)("Free headroom: " SIZE_FORMAT "%s (free) - " SIZE_FORMAT "%s (spike) - " SIZE_FORMAT "%s (penalties) = " SIZE_FORMAT "%s",
+                 byte_size_in_proper_unit(available),           proper_unit_for_byte_size(available),
+                 byte_size_in_proper_unit(spike_headroom),      proper_unit_for_byte_size(spike_headroom),
+                 byte_size_in_proper_unit(penalties),           proper_unit_for_byte_size(penalties),
+                 byte_size_in_proper_unit(allocation_headroom), proper_unit_for_byte_size(allocation_headroom));
     return true;
   }
 
--- a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahCompactHeuristics.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahCompactHeuristics.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -59,21 +59,24 @@
   size_t min_threshold = capacity / 100 * ShenandoahMinFreeThreshold;
 
   if (available < min_threshold) {
-    log_info(gc)("Trigger: Free (" SIZE_FORMAT "M) is below minimum threshold (" SIZE_FORMAT "M)",
-                 available / M, min_threshold / M);
+    log_info(gc)("Trigger: Free (" SIZE_FORMAT "%s) is below minimum threshold (" SIZE_FORMAT "%s)",
+                 byte_size_in_proper_unit(available),     proper_unit_for_byte_size(available),
+                 byte_size_in_proper_unit(min_threshold), proper_unit_for_byte_size(min_threshold));
     return true;
   }
 
   if (available < threshold_bytes_allocated) {
-    log_info(gc)("Trigger: Free (" SIZE_FORMAT "M) is lower than allocated recently (" SIZE_FORMAT "M)",
-                 available / M, threshold_bytes_allocated / M);
+    log_info(gc)("Trigger: Free (" SIZE_FORMAT "%s) is lower than allocated recently (" SIZE_FORMAT "%s)",
+                 byte_size_in_proper_unit(available),                 proper_unit_for_byte_size(available),
+                 byte_size_in_proper_unit(threshold_bytes_allocated), proper_unit_for_byte_size(threshold_bytes_allocated));
     return true;
   }
 
   size_t bytes_allocated = heap->bytes_allocated_since_gc_start();
   if (bytes_allocated > threshold_bytes_allocated) {
-    log_info(gc)("Trigger: Allocated since last cycle (" SIZE_FORMAT "M) is larger than allocation threshold (" SIZE_FORMAT "M)",
-                 bytes_allocated / M, threshold_bytes_allocated / M);
+    log_info(gc)("Trigger: Allocated since last cycle (" SIZE_FORMAT "%s) is larger than allocation threshold (" SIZE_FORMAT "%s)",
+                 byte_size_in_proper_unit(bytes_allocated),           proper_unit_for_byte_size(bytes_allocated),
+                 byte_size_in_proper_unit(threshold_bytes_allocated), proper_unit_for_byte_size(threshold_bytes_allocated));
     return true;
   }
 
@@ -86,8 +89,9 @@
   // Do not select too large CSet that would overflow the available free space
   size_t max_cset = actual_free * 3 / 4;
 
-  log_info(gc, ergo)("CSet Selection. Actual Free: " SIZE_FORMAT "M, Max CSet: " SIZE_FORMAT "M",
-                     actual_free / M, max_cset / M);
+  log_info(gc, ergo)("CSet Selection. Actual Free: " SIZE_FORMAT "%s, Max CSet: " SIZE_FORMAT "%s",
+                     byte_size_in_proper_unit(actual_free), proper_unit_for_byte_size(actual_free),
+                     byte_size_in_proper_unit(max_cset),    proper_unit_for_byte_size(max_cset));
 
   size_t threshold = ShenandoahHeapRegion::region_size_bytes() * ShenandoahGarbageThreshold / 100;
 
--- a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahPassiveHeuristics.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahPassiveHeuristics.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -60,8 +60,9 @@
   size_t available = MAX2(capacity / 100 * ShenandoahEvacReserve, actual_free);
   size_t max_cset  = (size_t)(available / ShenandoahEvacWaste);
 
-  log_info(gc, ergo)("CSet Selection. Actual Free: " SIZE_FORMAT "M, Max CSet: " SIZE_FORMAT "M",
-                     actual_free / M, max_cset / M);
+  log_info(gc, ergo)("CSet Selection. Actual Free: " SIZE_FORMAT "%s, Max CSet: " SIZE_FORMAT "%s",
+                     byte_size_in_proper_unit(actual_free), proper_unit_for_byte_size(actual_free),
+                     byte_size_in_proper_unit(max_cset),    proper_unit_for_byte_size(max_cset));
 
   size_t threshold = ShenandoahHeapRegion::region_size_bytes() * ShenandoahGarbageThreshold / 100;
 
--- a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahStaticHeuristics.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahStaticHeuristics.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -57,8 +57,9 @@
   size_t threshold_available = capacity / 100 * ShenandoahFreeThreshold;
 
   if (available < threshold_available) {
-    log_info(gc)("Trigger: Free (" SIZE_FORMAT "M) is below free threshold (" SIZE_FORMAT "M)",
-                 available / M, threshold_available / M);
+    log_info(gc)("Trigger: Free (" SIZE_FORMAT "%s) is below free threshold (" SIZE_FORMAT "%s)",
+                 byte_size_in_proper_unit(available),           proper_unit_for_byte_size(available),
+                 byte_size_in_proper_unit(threshold_available), proper_unit_for_byte_size(threshold_available));
     return true;
   }
   return ShenandoahHeuristics::should_start_gc();
--- a/src/hotspot/share/gc/shenandoah/heuristics/shenandoahTraversalHeuristics.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/heuristics/shenandoahTraversalHeuristics.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -100,9 +100,12 @@
   size_t min_garbage = free_target > actual_free ? (free_target - actual_free) : 0;
   size_t max_cset    = (size_t)((1.0 * capacity / 100 * ShenandoahEvacReserve) / ShenandoahEvacWaste);
 
-  log_info(gc, ergo)("Adaptive CSet Selection. Target Free: " SIZE_FORMAT "M, Actual Free: "
-                     SIZE_FORMAT "M, Max CSet: " SIZE_FORMAT "M, Min Garbage: " SIZE_FORMAT "M",
-                     free_target / M, actual_free / M, max_cset / M, min_garbage / M);
+  log_info(gc, ergo)("Adaptive CSet Selection. Target Free: " SIZE_FORMAT "%s, Actual Free: "
+                     SIZE_FORMAT "%s, Max CSet: " SIZE_FORMAT "%s, Min Garbage: " SIZE_FORMAT "%s",
+                     byte_size_in_proper_unit(free_target), proper_unit_for_byte_size(free_target),
+                     byte_size_in_proper_unit(actual_free), proper_unit_for_byte_size(actual_free),
+                     byte_size_in_proper_unit(max_cset),    proper_unit_for_byte_size(max_cset),
+                     byte_size_in_proper_unit(min_garbage), proper_unit_for_byte_size(min_garbage));
 
   // Better select garbage-first regions, and then older ones
   QuickSort::sort<RegionData>(data, (int) cnt, compare_by_garbage_then_alloc_seq_ascending, false);
@@ -190,8 +193,9 @@
   // anything else.
   size_t min_threshold = capacity / 100 * ShenandoahMinFreeThreshold;
   if (available < min_threshold) {
-    log_info(gc)("Trigger: Free (" SIZE_FORMAT "M) is below minimum threshold (" SIZE_FORMAT "M)",
-                 available / M, min_threshold / M);
+    log_info(gc)("Trigger: Free (" SIZE_FORMAT "%s) is below minimum threshold (" SIZE_FORMAT "%s)",
+                 byte_size_in_proper_unit(available),     proper_unit_for_byte_size(available),
+                 byte_size_in_proper_unit(min_threshold), proper_unit_for_byte_size(min_threshold));
     return true;
   }
 
@@ -200,8 +204,10 @@
   if (_gc_times_learned < max_learn) {
     size_t init_threshold = capacity / 100 * ShenandoahInitFreeThreshold;
     if (available < init_threshold) {
-      log_info(gc)("Trigger: Learning " SIZE_FORMAT " of " SIZE_FORMAT ". Free (" SIZE_FORMAT "M) is below initial threshold (" SIZE_FORMAT "M)",
-                   _gc_times_learned + 1, max_learn, available / M, init_threshold / M);
+      log_info(gc)("Trigger: Learning " SIZE_FORMAT " of " SIZE_FORMAT ". Free (" SIZE_FORMAT "%s) is below initial threshold (" SIZE_FORMAT "%s)",
+                   _gc_times_learned + 1, max_learn,
+                   byte_size_in_proper_unit(available),      proper_unit_for_byte_size(available),
+                   byte_size_in_proper_unit(init_threshold), proper_unit_for_byte_size(init_threshold));
       return true;
     }
   }
@@ -223,10 +229,15 @@
   double allocation_rate = heap->bytes_allocated_since_gc_start() / time_since_last;
 
   if (average_gc > allocation_headroom / allocation_rate) {
-    log_info(gc)("Trigger: Average GC time (%.2f ms) is above the time for allocation rate (%.2f MB/s) to deplete free headroom (" SIZE_FORMAT "M)",
-                 average_gc * 1000, allocation_rate / M, allocation_headroom / M);
-    log_info(gc, ergo)("Free headroom: " SIZE_FORMAT "M (free) - " SIZE_FORMAT "M (spike) - " SIZE_FORMAT "M (penalties) = " SIZE_FORMAT "M",
-                       available / M, spike_headroom / M, penalties / M, allocation_headroom / M);
+    log_info(gc)("Trigger: Average GC time (%.2f ms) is above the time for allocation rate (%.0f %sB/s) to deplete free headroom (" SIZE_FORMAT "%s)",
+                 average_gc * 1000,
+                 byte_size_in_proper_unit(allocation_rate),     proper_unit_for_byte_size(allocation_rate),
+                 byte_size_in_proper_unit(allocation_headroom), proper_unit_for_byte_size(allocation_headroom));
+    log_info(gc, ergo)("Free headroom: " SIZE_FORMAT "%s (free) - " SIZE_FORMAT "%s (spike) - " SIZE_FORMAT "%s (penalties) = " SIZE_FORMAT "%s",
+                 byte_size_in_proper_unit(available),           proper_unit_for_byte_size(available),
+                 byte_size_in_proper_unit(spike_headroom),      proper_unit_for_byte_size(spike_headroom),
+                 byte_size_in_proper_unit(penalties),           proper_unit_for_byte_size(penalties),
+                 byte_size_in_proper_unit(allocation_headroom), proper_unit_for_byte_size(allocation_headroom));
     return true;
   } else if (ShenandoahHeuristics::should_start_gc()) {
     return true;
--- a/src/hotspot/share/gc/shenandoah/shenandoahArguments.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahArguments.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -69,7 +69,8 @@
   // enough, but we also do not want to steal too much CPU from the concurrently running
   // application. Using 1/4 of available threads for concurrent GC seems a good
   // compromise here.
-  if (FLAG_IS_DEFAULT(ConcGCThreads)) {
+  bool ergo_conc = FLAG_IS_DEFAULT(ConcGCThreads);
+  if (ergo_conc) {
     FLAG_SET_DEFAULT(ConcGCThreads, MAX2(1, os::processor_count() / 4));
   }
 
@@ -82,7 +83,8 @@
   // that will overwhelm the OS scheduler. Using 1/2 of available threads seems to be a fair
   // compromise here. Due to implementation constraints, it should not be lower than
   // the number of concurrent threads.
-  if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
+  bool ergo_parallel = FLAG_IS_DEFAULT(ParallelGCThreads);
+  if (ergo_parallel) {
     FLAG_SET_DEFAULT(ParallelGCThreads, MAX2(1, os::processor_count() / 2));
   }
 
@@ -90,9 +92,21 @@
     vm_exit_during_initialization("Shenandoah expects ParallelGCThreads > 0, check -XX:ParallelGCThreads=#");
   }
 
+  // Make sure ergonomic decisions do not break the thread count invariants.
+  // This may happen when user overrides one of the flags, but not the other.
+  // When that happens, we want to adjust the setting that was set ergonomically.
   if (ParallelGCThreads < ConcGCThreads) {
-    warning("Shenandoah expects ConcGCThreads <= ParallelGCThreads, adjusting ParallelGCThreads automatically");
-    FLAG_SET_DEFAULT(ParallelGCThreads, ConcGCThreads);
+    if (ergo_conc && !ergo_parallel) {
+      FLAG_SET_DEFAULT(ConcGCThreads, ParallelGCThreads);
+    } else if (!ergo_conc && ergo_parallel) {
+      FLAG_SET_DEFAULT(ParallelGCThreads, ConcGCThreads);
+    } else if (ergo_conc && ergo_parallel) {
+      // Should not happen, check the ergonomic computation above. Fail with relevant error.
+      vm_exit_during_initialization("Shenandoah thread count ergonomic error");
+    } else {
+      // User settings error, report and ask user to rectify.
+      vm_exit_during_initialization("Shenandoah expects ConcGCThreads <= ParallelGCThreads, check -XX:ParallelGCThreads, -XX:ConcGCThreads");
+    }
   }
 
   if (FLAG_IS_DEFAULT(ParallelRefProcEnabled)) {
--- a/src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -319,13 +319,20 @@
 };
 
 void ShenandoahConcurrentMark::update_thread_roots(ShenandoahPhaseTimings::Phase root_phase) {
-  WorkGang* workers = _heap->workers();
-  bool is_par = workers->active_workers() > 1;
+  assert(ShenandoahSafepoint::is_at_shenandoah_safepoint(), "Must be at a safepoint");
+
+  ShenandoahGCPhase phase(root_phase);
+
 #if COMPILER2_OR_JVMCI
   DerivedPointerTable::clear();
 #endif
+
+  WorkGang* workers = _heap->workers();
+  bool is_par = workers->active_workers() > 1;
+
   ShenandoahUpdateThreadRootsTask task(is_par, root_phase);
   workers->run_task(&task);
+
 #if COMPILER2_OR_JVMCI
   DerivedPointerTable::update_pointers();
 #endif
--- a/src/hotspot/share/gc/shenandoah/shenandoahFreeSet.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahFreeSet.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -491,8 +491,12 @@
       size_t max_humongous = max_contig * ShenandoahHeapRegion::region_size_bytes();
       size_t free = capacity() - used();
 
-      ls.print("Free: " SIZE_FORMAT "M (" SIZE_FORMAT " regions), Max regular: " SIZE_FORMAT "K, Max humongous: " SIZE_FORMAT "K, ",
-               total_free / M, mutator_count(), max / K, max_humongous / K);
+      ls.print("Free: " SIZE_FORMAT "%s (" SIZE_FORMAT " regions), Max regular: " SIZE_FORMAT "%s, Max humongous: " SIZE_FORMAT "%s, ",
+               byte_size_in_proper_unit(total_free),    proper_unit_for_byte_size(total_free),
+               mutator_count(),
+               byte_size_in_proper_unit(max),           proper_unit_for_byte_size(max),
+               byte_size_in_proper_unit(max_humongous), proper_unit_for_byte_size(max_humongous)
+      );
 
       size_t frag_ext;
       if (free > 0) {
@@ -525,8 +529,10 @@
         }
       }
 
-      ls.print_cr("Evacuation Reserve: " SIZE_FORMAT "M (" SIZE_FORMAT " regions), Max regular: " SIZE_FORMAT "K",
-                  total_free / M, collector_count(), max / K);
+      ls.print_cr("Evacuation Reserve: " SIZE_FORMAT "%s (" SIZE_FORMAT " regions), Max regular: " SIZE_FORMAT "%s",
+                  byte_size_in_proper_unit(total_free), proper_unit_for_byte_size(total_free),
+                  collector_count(),
+                  byte_size_in_proper_unit(max),        proper_unit_for_byte_size(max));
     }
   }
 }
--- a/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -524,10 +524,14 @@
 
 void ShenandoahHeap::print_on(outputStream* st) const {
   st->print_cr("Shenandoah Heap");
-  st->print_cr(" " SIZE_FORMAT "K total, " SIZE_FORMAT "K committed, " SIZE_FORMAT "K used",
-               max_capacity() / K, committed() / K, used() / K);
-  st->print_cr(" " SIZE_FORMAT " x " SIZE_FORMAT"K regions",
-               num_regions(), ShenandoahHeapRegion::region_size_bytes() / K);
+  st->print_cr(" " SIZE_FORMAT "%s total, " SIZE_FORMAT "%s committed, " SIZE_FORMAT "%s used",
+               byte_size_in_proper_unit(max_capacity()), proper_unit_for_byte_size(max_capacity()),
+               byte_size_in_proper_unit(committed()),    proper_unit_for_byte_size(committed()),
+               byte_size_in_proper_unit(used()),         proper_unit_for_byte_size(used()));
+  st->print_cr(" " SIZE_FORMAT " x " SIZE_FORMAT"%s regions",
+               num_regions(),
+               byte_size_in_proper_unit(ShenandoahHeapRegion::region_size_bytes()),
+               proper_unit_for_byte_size(ShenandoahHeapRegion::region_size_bytes()));
 
   st->print("Status: ");
   if (has_forwarded_objects())               st->print("has forwarded objects, ");
@@ -961,7 +965,7 @@
     ShenandoahConcurrentEvacuateRegionObjectClosure cl(_sh);
     ShenandoahHeapRegion* r;
     while ((r =_cs->claim_next()) != NULL) {
-      assert(r->has_live(), "all-garbage regions are reclaimed early");
+      assert(r->has_live(), "Region " SIZE_FORMAT " should have been reclaimed early", r->region_number());
       _sh->marked_object_iterate(r, &cl);
 
       if (ShenandoahPacing) {
--- a/src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -527,29 +527,35 @@
   size_t region_size;
   if (FLAG_IS_DEFAULT(ShenandoahHeapRegionSize)) {
     if (ShenandoahMinRegionSize > max_heap_size / MIN_NUM_REGIONS) {
-      err_msg message("Max heap size (" SIZE_FORMAT "K) is too low to afford the minimum number "
-                      "of regions (" SIZE_FORMAT ") of minimum region size (" SIZE_FORMAT "K).",
-                      max_heap_size/K, MIN_NUM_REGIONS, ShenandoahMinRegionSize/K);
+      err_msg message("Max heap size (" SIZE_FORMAT "%s) is too low to afford the minimum number "
+                      "of regions (" SIZE_FORMAT ") of minimum region size (" SIZE_FORMAT "%s).",
+                      byte_size_in_proper_unit(max_heap_size), proper_unit_for_byte_size(max_heap_size),
+                      MIN_NUM_REGIONS,
+                      byte_size_in_proper_unit(ShenandoahMinRegionSize), proper_unit_for_byte_size(ShenandoahMinRegionSize));
       vm_exit_during_initialization("Invalid -XX:ShenandoahMinRegionSize option", message);
     }
     if (ShenandoahMinRegionSize < MIN_REGION_SIZE) {
-      err_msg message("" SIZE_FORMAT "K should not be lower than minimum region size (" SIZE_FORMAT "K).",
-                      ShenandoahMinRegionSize/K,  MIN_REGION_SIZE/K);
+      err_msg message("" SIZE_FORMAT "%s should not be lower than minimum region size (" SIZE_FORMAT "%s).",
+                      byte_size_in_proper_unit(ShenandoahMinRegionSize), proper_unit_for_byte_size(ShenandoahMinRegionSize),
+                      byte_size_in_proper_unit(MIN_REGION_SIZE),         proper_unit_for_byte_size(MIN_REGION_SIZE));
       vm_exit_during_initialization("Invalid -XX:ShenandoahMinRegionSize option", message);
     }
     if (ShenandoahMinRegionSize < MinTLABSize) {
-      err_msg message("" SIZE_FORMAT "K should not be lower than TLAB size size (" SIZE_FORMAT "K).",
-                      ShenandoahMinRegionSize/K,  MinTLABSize/K);
+      err_msg message("" SIZE_FORMAT "%s should not be lower than TLAB size size (" SIZE_FORMAT "%s).",
+                      byte_size_in_proper_unit(ShenandoahMinRegionSize), proper_unit_for_byte_size(ShenandoahMinRegionSize),
+                      byte_size_in_proper_unit(MinTLABSize),             proper_unit_for_byte_size(MinTLABSize));
       vm_exit_during_initialization("Invalid -XX:ShenandoahMinRegionSize option", message);
     }
     if (ShenandoahMaxRegionSize < MIN_REGION_SIZE) {
-      err_msg message("" SIZE_FORMAT "K should not be lower than min region size (" SIZE_FORMAT "K).",
-                      ShenandoahMaxRegionSize/K,  MIN_REGION_SIZE/K);
+      err_msg message("" SIZE_FORMAT "%s should not be lower than min region size (" SIZE_FORMAT "%s).",
+                      byte_size_in_proper_unit(ShenandoahMaxRegionSize), proper_unit_for_byte_size(ShenandoahMaxRegionSize),
+                      byte_size_in_proper_unit(MIN_REGION_SIZE),         proper_unit_for_byte_size(MIN_REGION_SIZE));
       vm_exit_during_initialization("Invalid -XX:ShenandoahMaxRegionSize option", message);
     }
     if (ShenandoahMinRegionSize > ShenandoahMaxRegionSize) {
-      err_msg message("Minimum (" SIZE_FORMAT "K) should be larger than maximum (" SIZE_FORMAT "K).",
-                      ShenandoahMinRegionSize/K, ShenandoahMaxRegionSize/K);
+      err_msg message("Minimum (" SIZE_FORMAT "%s) should be larger than maximum (" SIZE_FORMAT "%s).",
+                      byte_size_in_proper_unit(ShenandoahMinRegionSize), proper_unit_for_byte_size(ShenandoahMinRegionSize),
+                      byte_size_in_proper_unit(ShenandoahMaxRegionSize), proper_unit_for_byte_size(ShenandoahMaxRegionSize));
       vm_exit_during_initialization("Invalid -XX:ShenandoahMinRegionSize or -XX:ShenandoahMaxRegionSize", message);
     }
 
@@ -563,19 +569,23 @@
 
   } else {
     if (ShenandoahHeapRegionSize > max_heap_size / MIN_NUM_REGIONS) {
-      err_msg message("Max heap size (" SIZE_FORMAT "K) is too low to afford the minimum number "
-                              "of regions (" SIZE_FORMAT ") of requested size (" SIZE_FORMAT "K).",
-                      max_heap_size/K, MIN_NUM_REGIONS, ShenandoahHeapRegionSize/K);
+      err_msg message("Max heap size (" SIZE_FORMAT "%s) is too low to afford the minimum number "
+                              "of regions (" SIZE_FORMAT ") of requested size (" SIZE_FORMAT "%s).",
+                      byte_size_in_proper_unit(max_heap_size), proper_unit_for_byte_size(max_heap_size),
+                      MIN_NUM_REGIONS,
+                      byte_size_in_proper_unit(ShenandoahHeapRegionSize), proper_unit_for_byte_size(ShenandoahHeapRegionSize));
       vm_exit_during_initialization("Invalid -XX:ShenandoahHeapRegionSize option", message);
     }
     if (ShenandoahHeapRegionSize < ShenandoahMinRegionSize) {
-      err_msg message("Heap region size (" SIZE_FORMAT "K) should be larger than min region size (" SIZE_FORMAT "K).",
-                      ShenandoahHeapRegionSize/K, ShenandoahMinRegionSize/K);
+      err_msg message("Heap region size (" SIZE_FORMAT "%s) should be larger than min region size (" SIZE_FORMAT "%s).",
+                      byte_size_in_proper_unit(ShenandoahHeapRegionSize), proper_unit_for_byte_size(ShenandoahHeapRegionSize),
+                      byte_size_in_proper_unit(ShenandoahMinRegionSize),  proper_unit_for_byte_size(ShenandoahMinRegionSize));
       vm_exit_during_initialization("Invalid -XX:ShenandoahHeapRegionSize option", message);
     }
     if (ShenandoahHeapRegionSize > ShenandoahMaxRegionSize) {
-      err_msg message("Heap region size (" SIZE_FORMAT "K) should be lower than max region size (" SIZE_FORMAT "K).",
-                      ShenandoahHeapRegionSize/K, ShenandoahMaxRegionSize/K);
+      err_msg message("Heap region size (" SIZE_FORMAT "%s) should be lower than max region size (" SIZE_FORMAT "%s).",
+                      byte_size_in_proper_unit(ShenandoahHeapRegionSize), proper_unit_for_byte_size(ShenandoahHeapRegionSize),
+                      byte_size_in_proper_unit(ShenandoahMaxRegionSize),  proper_unit_for_byte_size(ShenandoahMaxRegionSize));
       vm_exit_during_initialization("Invalid -XX:ShenandoahHeapRegionSize option", message);
     }
     region_size = ShenandoahHeapRegionSize;
--- a/src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -198,7 +198,7 @@
 
   // Macro-properties:
   bool is_alloc_allowed()          const { return is_empty() || is_regular() || _state == _pinned; }
-  bool is_move_allowed()           const { return is_regular() || _state == _cset || (ShenandoahHumongousMoves && _state == _humongous_start); }
+  bool is_stw_move_allowed()       const { return is_regular() || _state == _cset || (ShenandoahHumongousMoves && _state == _humongous_start); }
 
   RegionState state()              const { return _state; }
   int  state_ordinal()             const { return region_state_to_ordinal(_state); }
--- a/src/hotspot/share/gc/shenandoah/shenandoahHeuristics.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahHeuristics.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -186,8 +186,9 @@
   // given the amount of immediately reclaimable garbage. If we do, figure out the collection set.
 
   assert (immediate_garbage <= total_garbage,
-          "Cannot have more immediate garbage than total garbage: " SIZE_FORMAT "M vs " SIZE_FORMAT "M",
-          immediate_garbage / M, total_garbage / M);
+          "Cannot have more immediate garbage than total garbage: " SIZE_FORMAT "%s vs " SIZE_FORMAT "%s",
+          byte_size_in_proper_unit(immediate_garbage), proper_unit_for_byte_size(immediate_garbage),
+          byte_size_in_proper_unit(total_garbage),     proper_unit_for_byte_size(total_garbage));
 
   size_t immediate_percent = total_garbage == 0 ? 0 : (immediate_garbage * 100 / total_garbage);
 
@@ -196,12 +197,16 @@
     collection_set->update_region_status();
 
     size_t cset_percent = total_garbage == 0 ? 0 : (collection_set->garbage() * 100 / total_garbage);
-    log_info(gc, ergo)("Collectable Garbage: " SIZE_FORMAT "M (" SIZE_FORMAT "%% of total), " SIZE_FORMAT "M CSet, " SIZE_FORMAT " CSet regions",
-                       collection_set->garbage() / M, cset_percent, collection_set->live_data() / M, collection_set->count());
+    log_info(gc, ergo)("Collectable Garbage: " SIZE_FORMAT "%s (" SIZE_FORMAT "%% of total), " SIZE_FORMAT "%s CSet, " SIZE_FORMAT " CSet regions",
+                       byte_size_in_proper_unit(collection_set->garbage()),   proper_unit_for_byte_size(collection_set->garbage()),
+                       cset_percent,
+                       byte_size_in_proper_unit(collection_set->live_data()), proper_unit_for_byte_size(collection_set->live_data()),
+                       collection_set->count());
   }
 
-  log_info(gc, ergo)("Immediate Garbage: " SIZE_FORMAT "M (" SIZE_FORMAT "%% of total), " SIZE_FORMAT " regions",
-                     immediate_garbage / M, immediate_percent, immediate_regions);
+  log_info(gc, ergo)("Immediate Garbage: " SIZE_FORMAT "%s (" SIZE_FORMAT "%% of total), " SIZE_FORMAT " regions",
+                     byte_size_in_proper_unit(immediate_garbage), proper_unit_for_byte_size(immediate_garbage),
+                     immediate_percent, immediate_regions);
 }
 
 void ShenandoahHeuristics::record_gc_start() {
--- a/src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -337,7 +337,7 @@
 
       // Can move the region, and this is not the humongous region. Humongous
       // moves are special cased here, because their moves are handled separately.
-      if (from_region->is_move_allowed() && !from_region->is_humongous()) break;
+      if (from_region->is_stw_move_allowed() && !from_region->is_humongous()) break;
 
       from_region = _heap_regions.next();
     }
@@ -345,7 +345,7 @@
     if (from_region != NULL) {
       assert(slice != NULL, "sanity");
       assert(!from_region->is_humongous(), "this path cannot handle humongous regions");
-      assert(from_region->is_empty() || from_region->is_move_allowed(), "only regions that can be moved in mark-compact");
+      assert(from_region->is_empty() || from_region->is_stw_move_allowed(), "only regions that can be moved in mark-compact");
       slice->add_region(from_region);
     }
 
@@ -419,7 +419,7 @@
       continue;
     }
 
-    if (r->is_humongous_start() && r->is_move_allowed()) {
+    if (r->is_humongous_start() && r->is_stw_move_allowed()) {
       // From-region candidate: movable humongous region
       oop old_obj = oop(r->bottom());
       size_t words_size = old_obj->size();
@@ -761,7 +761,7 @@
       size_t new_start = heap->heap_region_index_containing(old_obj->forwardee());
       size_t new_end   = new_start + num_regions - 1;
       assert(old_start != new_start, "must be real move");
-      assert (r->is_move_allowed(), "should be movable");
+      assert(r->is_stw_move_allowed(), "Region " SIZE_FORMAT " should be movable", r->region_number());
 
       Copy::aligned_conjoint_words(heap->get_region(old_start)->bottom(),
                                    heap->get_region(new_start)->bottom(),
--- a/src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -70,9 +70,12 @@
 
   restart_with(non_taxable, tax);
 
-  log_info(gc, ergo)("Pacer for Mark. Expected Live: " SIZE_FORMAT "M, Free: " SIZE_FORMAT
-                     "M, Non-Taxable: " SIZE_FORMAT "M, Alloc Tax Rate: %.1fx",
-                     live / M, free / M, non_taxable / M, tax);
+  log_info(gc, ergo)("Pacer for Mark. Expected Live: " SIZE_FORMAT "%s, Free: " SIZE_FORMAT "%s, "
+                     "Non-Taxable: " SIZE_FORMAT "%s, Alloc Tax Rate: %.1fx",
+                     byte_size_in_proper_unit(live),        proper_unit_for_byte_size(live),
+                     byte_size_in_proper_unit(free),        proper_unit_for_byte_size(free),
+                     byte_size_in_proper_unit(non_taxable), proper_unit_for_byte_size(non_taxable),
+                     tax);
 }
 
 void ShenandoahPacer::setup_for_evac() {
@@ -91,9 +94,12 @@
 
   restart_with(non_taxable, tax);
 
-  log_info(gc, ergo)("Pacer for Evacuation. Used CSet: " SIZE_FORMAT "M, Free: " SIZE_FORMAT
-                     "M, Non-Taxable: " SIZE_FORMAT "M, Alloc Tax Rate: %.1fx",
-                     used / M, free / M, non_taxable / M, tax);
+  log_info(gc, ergo)("Pacer for Evacuation. Used CSet: " SIZE_FORMAT "%s, Free: " SIZE_FORMAT "%s, "
+                     "Non-Taxable: " SIZE_FORMAT "%s, Alloc Tax Rate: %.1fx",
+                     byte_size_in_proper_unit(used),        proper_unit_for_byte_size(used),
+                     byte_size_in_proper_unit(free),        proper_unit_for_byte_size(free),
+                     byte_size_in_proper_unit(non_taxable), proper_unit_for_byte_size(non_taxable),
+                     tax);
 }
 
 void ShenandoahPacer::setup_for_updaterefs() {
@@ -112,9 +118,12 @@
 
   restart_with(non_taxable, tax);
 
-  log_info(gc, ergo)("Pacer for Update Refs. Used: " SIZE_FORMAT "M, Free: " SIZE_FORMAT
-                     "M, Non-Taxable: " SIZE_FORMAT "M, Alloc Tax Rate: %.1fx",
-                     used / M, free / M, non_taxable / M, tax);
+  log_info(gc, ergo)("Pacer for Update Refs. Used: " SIZE_FORMAT "%s, Free: " SIZE_FORMAT "%s, "
+                     "Non-Taxable: " SIZE_FORMAT "%s, Alloc Tax Rate: %.1fx",
+                     byte_size_in_proper_unit(used),        proper_unit_for_byte_size(used),
+                     byte_size_in_proper_unit(free),        proper_unit_for_byte_size(free),
+                     byte_size_in_proper_unit(non_taxable), proper_unit_for_byte_size(non_taxable),
+                     tax);
 }
 
 /*
@@ -136,9 +145,12 @@
 
   restart_with(non_taxable, tax);
 
-  log_info(gc, ergo)("Pacer for Traversal. Expected Live: " SIZE_FORMAT "M, Free: " SIZE_FORMAT
-                     "M, Non-Taxable: " SIZE_FORMAT "M, Alloc Tax Rate: %.1fx",
-                     live / M, free / M, non_taxable / M, tax);
+  log_info(gc, ergo)("Pacer for Traversal. Expected Live: " SIZE_FORMAT "%s, Free: " SIZE_FORMAT "%s, "
+                     "Non-Taxable: " SIZE_FORMAT "%s, Alloc Tax Rate: %.1fx",
+                     byte_size_in_proper_unit(live),        proper_unit_for_byte_size(live),
+                     byte_size_in_proper_unit(free),        proper_unit_for_byte_size(free),
+                     byte_size_in_proper_unit(non_taxable), proper_unit_for_byte_size(non_taxable),
+                     tax);
 }
 
 /*
@@ -158,8 +170,9 @@
 
   restart_with(initial, tax);
 
-  log_info(gc, ergo)("Pacer for Idle. Initial: " SIZE_FORMAT "M, Alloc Tax Rate: %.1fx",
-                     initial / M, tax);
+  log_info(gc, ergo)("Pacer for Idle. Initial: " SIZE_FORMAT "%s, Alloc Tax Rate: %.1fx",
+                     byte_size_in_proper_unit(initial), proper_unit_for_byte_size(initial),
+                     tax);
 }
 
 size_t ShenandoahPacer::update_and_get_progress_history() {
--- a/src/hotspot/share/gc/shenandoah/shenandoahStrDedupQueue.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahStrDedupQueue.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -205,8 +205,11 @@
 void ShenandoahStrDedupQueue::print_statistics_impl() {
   Log(gc, stringdedup) log;
   log.debug("  Queue:");
-  log.debug("    Total buffers: " SIZE_FORMAT " (" SIZE_FORMAT " K). " SIZE_FORMAT " buffers are on free list",
-    _total_buffers, (_total_buffers * sizeof(ShenandoahQueueBuffer) / K), _num_free_buffer);
+  log.debug("    Total buffers: " SIZE_FORMAT " (" SIZE_FORMAT " %s). " SIZE_FORMAT " buffers are on free list",
+    _total_buffers,
+    byte_size_in_proper_unit(_total_buffers * sizeof(ShenandoahQueueBuffer)),
+    proper_unit_for_byte_size(_total_buffers * sizeof(ShenandoahQueueBuffer)),
+    _num_free_buffer);
 }
 
 class VerifyQueueClosure : public OopClosure {
--- a/src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -366,8 +366,10 @@
   // Rebuild free set
   free_set->rebuild();
 
-  log_info(gc, ergo)("Collectable Garbage: " SIZE_FORMAT "M, " SIZE_FORMAT "M CSet, " SIZE_FORMAT " CSet regions",
-                     collection_set->garbage() / M, collection_set->live_data() / M, collection_set->count());
+  log_info(gc, ergo)("Collectable Garbage: " SIZE_FORMAT "%s, " SIZE_FORMAT "%s CSet, " SIZE_FORMAT " CSet regions",
+                     byte_size_in_proper_unit(collection_set->garbage()),   proper_unit_for_byte_size(collection_set->garbage()),
+                     byte_size_in_proper_unit(collection_set->live_data()), proper_unit_for_byte_size(collection_set->live_data()),
+                     collection_set->count());
 }
 
 void ShenandoahTraversalGC::init_traversal_collection() {
--- a/src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -686,13 +686,17 @@
     _heap->heap_region_iterate(&cl);
     size_t heap_used = _heap->used();
     guarantee(cl.used() == heap_used,
-              "%s: heap used size must be consistent: heap-used = " SIZE_FORMAT "K, regions-used = " SIZE_FORMAT "K",
-              label, heap_used/K, cl.used()/K);
+              "%s: heap used size must be consistent: heap-used = " SIZE_FORMAT "%s, regions-used = " SIZE_FORMAT "%s",
+              label,
+              byte_size_in_proper_unit(heap_used), proper_unit_for_byte_size(heap_used),
+              byte_size_in_proper_unit(cl.used()), proper_unit_for_byte_size(cl.used()));
 
     size_t heap_committed = _heap->committed();
     guarantee(cl.committed() == heap_committed,
-              "%s: heap committed size must be consistent: heap-committed = " SIZE_FORMAT "K, regions-committed = " SIZE_FORMAT "K",
-              label, heap_committed/K, cl.committed()/K);
+              "%s: heap committed size must be consistent: heap-committed = " SIZE_FORMAT "%s, regions-committed = " SIZE_FORMAT "%s",
+              label,
+              byte_size_in_exact_unit(heap_committed), proper_unit_for_byte_size(heap_committed),
+              byte_size_in_exact_unit(cl.committed()), proper_unit_for_byte_size(cl.committed()));
   }
 
   // Internal heap region checks
--- a/src/hotspot/share/gc/shenandoah/shenandoah_globals.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoah_globals.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -299,11 +299,11 @@
           "Should internally-caused GCs invoke concurrent cycles, or go to" \
           "stop-the-world (degenerated/full)?")                             \
                                                                             \
-  experimental(bool, ShenandoahHumongousMoves, true,                        \
+  diagnostic(bool, ShenandoahHumongousMoves, true,                          \
           "Allow moving humongous regions. This makes GC more resistant "   \
           "to external fragmentation that may otherwise fail other "        \
           "humongous allocations, at the expense of higher GC copying "     \
-          "costs.")                                                         \
+          "costs. Currently affects stop-the-world (full) cycle only.")     \
                                                                             \
   diagnostic(bool, ShenandoahOOMDuringEvacALot, false,                      \
           "Simulate OOM during evacuation frequently.")                     \
@@ -314,9 +314,6 @@
   diagnostic(bool, ShenandoahTerminationTrace, false,                       \
           "Tracing task termination timings")                               \
                                                                             \
-  develop(bool, ShenandoahVerifyObjectEquals, false,                        \
-          "Verify that == and != are not used on oops. Only in fastdebug")  \
-                                                                            \
   diagnostic(bool, ShenandoahAlwaysPreTouch, false,                         \
           "Pre-touch heap memory, overrides global AlwaysPreTouch")         \
                                                                             \
--- a/src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -22,451 +22,157 @@
  */
 
 #include "precompiled.hpp"
-#include "opto/castnode.hpp"
+#include "classfile/javaClasses.hpp"
+#include "gc/z/c2/zBarrierSetC2.hpp"
+#include "gc/z/zBarrierSet.hpp"
+#include "gc/z/zBarrierSetAssembler.hpp"
+#include "gc/z/zBarrierSetRuntime.hpp"
+#include "opto/block.hpp"
 #include "opto/compile.hpp"
-#include "opto/escape.hpp"
 #include "opto/graphKit.hpp"
-#include "opto/loopnode.hpp"
 #include "opto/machnode.hpp"
-#include "opto/macro.hpp"
 #include "opto/memnode.hpp"
-#include "opto/movenode.hpp"
 #include "opto/node.hpp"
-#include "opto/phase.hpp"
-#include "opto/phaseX.hpp"
+#include "opto/regalloc.hpp"
 #include "opto/rootnode.hpp"
-#include "opto/type.hpp"
-#include "utilities/copy.hpp"
 #include "utilities/growableArray.hpp"
 #include "utilities/macros.hpp"
-#include "gc/z/zBarrierSet.hpp"
-#include "gc/z/c2/zBarrierSetC2.hpp"
-#include "gc/z/zThreadLocalData.hpp"
-#include "gc/z/zBarrierSetRuntime.hpp"
 
-ZBarrierSetC2State::ZBarrierSetC2State(Arena* comp_arena) :
-    _load_barrier_nodes(new (comp_arena) GrowableArray<LoadBarrierNode*>(comp_arena, 8,  0, NULL)) {}
+class ZBarrierSetC2State : public ResourceObj {
+private:
+  GrowableArray<ZLoadBarrierStubC2*>* _stubs;
+  Node_Array                          _live;
 
-int ZBarrierSetC2State::load_barrier_count() const {
-  return _load_barrier_nodes->length();
-}
+public:
+  ZBarrierSetC2State(Arena* arena) :
+    _stubs(new (arena) GrowableArray<ZLoadBarrierStubC2*>(arena, 8,  0, NULL)),
+    _live(arena) {}
 
-void ZBarrierSetC2State::add_load_barrier_node(LoadBarrierNode * n) {
-  assert(!_load_barrier_nodes->contains(n), " duplicate entry in expand list");
-  _load_barrier_nodes->append(n);
-}
+  GrowableArray<ZLoadBarrierStubC2*>* stubs() {
+    return _stubs;
+  }
 
-void ZBarrierSetC2State::remove_load_barrier_node(LoadBarrierNode * n) {
-  // this function may be called twice for a node so check
-  // that the node is in the array before attempting to remove it
-  if (_load_barrier_nodes->contains(n)) {
-    _load_barrier_nodes->remove(n);
-  }
-}
+  RegMask* live(const Node* node) {
+    if (!node->is_Mach()) {
+      // Don't need liveness for non-MachNodes
+      return NULL;
+    }
 
-LoadBarrierNode* ZBarrierSetC2State::load_barrier_node(int idx) const {
-  return _load_barrier_nodes->at(idx);
-}
+    const MachNode* const mach = node->as_Mach();
+    if (mach->barrier_data() != ZLoadBarrierStrong &&
+        mach->barrier_data() != ZLoadBarrierWeak) {
+      // Don't need liveness data for nodes without barriers
+      return NULL;
+    }
 
-void* ZBarrierSetC2::create_barrier_state(Arena* comp_arena) const {
-  return new(comp_arena) ZBarrierSetC2State(comp_arena);
-}
+    RegMask* live = (RegMask*)_live[node->_idx];
+    if (live == NULL) {
+      live = new (Compile::current()->comp_arena()->Amalloc_D(sizeof(RegMask))) RegMask();
+      _live.map(node->_idx, (Node*)live);
+    }
 
-ZBarrierSetC2State* ZBarrierSetC2::state() const {
+    return live;
+  }
+};
+
+static ZBarrierSetC2State* barrier_set_state() {
   return reinterpret_cast<ZBarrierSetC2State*>(Compile::current()->barrier_set_state());
 }
 
-bool ZBarrierSetC2::is_gc_barrier_node(Node* node) const {
-  // 1. This step follows potential oop projections of a load barrier before expansion
-  if (node->is_Proj()) {
-    node = node->in(0);
-  }
-
-  // 2. This step checks for unexpanded load barriers
-  if (node->is_LoadBarrier()) {
-    return true;
-  }
-
-  // 3. This step checks for the phi corresponding to an optimized load barrier expansion
-  if (node->is_Phi()) {
-    PhiNode* phi = node->as_Phi();
-    Node* n = phi->in(1);
-    if (n != NULL && n->is_LoadBarrierSlowReg()) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
-void ZBarrierSetC2::register_potential_barrier_node(Node* node) const {
-  if (node->is_LoadBarrier()) {
-    state()->add_load_barrier_node(node->as_LoadBarrier());
-  }
-}
-
-void ZBarrierSetC2::unregister_potential_barrier_node(Node* node) const {
-  if (node->is_LoadBarrier()) {
-    state()->remove_load_barrier_node(node->as_LoadBarrier());
-  }
-}
-
-void ZBarrierSetC2::eliminate_useless_gc_barriers(Unique_Node_List &useful, Compile* C) const {
-  // Remove useless LoadBarrier nodes
-  ZBarrierSetC2State* s = state();
-  for (int i = s->load_barrier_count()-1; i >= 0; i--) {
-    LoadBarrierNode* n = s->load_barrier_node(i);
-    if (!useful.member(n)) {
-      unregister_potential_barrier_node(n);
-    }
-  }
-}
-
-void ZBarrierSetC2::enqueue_useful_gc_barrier(PhaseIterGVN* igvn, Node* node) const {
-  if (node->is_LoadBarrier() && !node->as_LoadBarrier()->has_true_uses()) {
-    igvn->_worklist.push(node);
-  }
-}
-
-const uint NoBarrier       = 0;
-const uint RequireBarrier  = 1;
-const uint WeakBarrier     = 2;
-const uint ExpandedBarrier = 4;
-
-static bool load_require_barrier(LoadNode* load)      { return (load->barrier_data() & RequireBarrier)  == RequireBarrier; }
-static bool load_has_weak_barrier(LoadNode* load)     { return (load->barrier_data() & WeakBarrier)     == WeakBarrier; }
-static bool load_has_expanded_barrier(LoadNode* load) { return (load->barrier_data() & ExpandedBarrier) == ExpandedBarrier; }
-static void load_set_expanded_barrier(LoadNode* load) { return load->set_barrier_data(ExpandedBarrier); }
-
-static void load_set_barrier(LoadNode* load, bool weak) {
-  if (weak) {
-    load->set_barrier_data(RequireBarrier | WeakBarrier);
-  } else {
-    load->set_barrier_data(RequireBarrier);
-  }
-}
-
-// == LoadBarrierNode ==
-
-LoadBarrierNode::LoadBarrierNode(Compile* C,
-                                 Node* c,
-                                 Node* mem,
-                                 Node* val,
-                                 Node* adr,
-                                 bool weak) :
-    MultiNode(Number_of_Inputs),
-    _weak(weak) {
-  init_req(Control, c);
-  init_req(Memory, mem);
-  init_req(Oop, val);
-  init_req(Address, adr);
-  init_req(Similar, C->top());
-
-  init_class_id(Class_LoadBarrier);
-  BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
-  bs->register_potential_barrier_node(this);
-}
-
-uint LoadBarrierNode::size_of() const {
-  return sizeof(*this);
-}
-
-bool LoadBarrierNode::cmp(const Node& n) const {
-  ShouldNotReachHere();
-  return false;
-}
-
-const Type *LoadBarrierNode::bottom_type() const {
-  const Type** floadbarrier = (const Type **)(Compile::current()->type_arena()->Amalloc_4((Number_of_Outputs)*sizeof(Type*)));
-  Node* in_oop = in(Oop);
-  floadbarrier[Control] = Type::CONTROL;
-  floadbarrier[Memory] = Type::MEMORY;
-  floadbarrier[Oop] = in_oop == NULL ? Type::TOP : in_oop->bottom_type();
-  return TypeTuple::make(Number_of_Outputs, floadbarrier);
-}
-
-const TypePtr* LoadBarrierNode::adr_type() const {
-  ShouldNotReachHere();
-  return NULL;
-}
-
-const Type *LoadBarrierNode::Value(PhaseGVN *phase) const {
-  const Type** floadbarrier = (const Type **)(phase->C->type_arena()->Amalloc_4((Number_of_Outputs)*sizeof(Type*)));
-  const Type* val_t = phase->type(in(Oop));
-  floadbarrier[Control] = Type::CONTROL;
-  floadbarrier[Memory]  = Type::MEMORY;
-  floadbarrier[Oop]     = val_t;
-  return TypeTuple::make(Number_of_Outputs, floadbarrier);
-}
-
-bool LoadBarrierNode::is_dominator(PhaseIdealLoop* phase, bool linear_only, Node *d, Node *n) {
-  if (phase != NULL) {
-    return phase->is_dominator(d, n);
-  }
-
-  for (int i = 0; i < 10 && n != NULL; i++) {
-    n = IfNode::up_one_dom(n, linear_only);
-    if (n == d) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
-LoadBarrierNode* LoadBarrierNode::has_dominating_barrier(PhaseIdealLoop* phase, bool linear_only, bool look_for_similar) {
-  if (is_weak()) {
-    // Weak barriers can't be eliminated
-    return NULL;
-  }
-
-  Node* val = in(LoadBarrierNode::Oop);
-  if (in(Similar)->is_Proj() && in(Similar)->in(0)->is_LoadBarrier()) {
-    LoadBarrierNode* lb = in(Similar)->in(0)->as_LoadBarrier();
-    assert(lb->in(Address) == in(Address), "");
-    // Load barrier on Similar edge dominates so if it now has the Oop field it can replace this barrier.
-    if (lb->in(Oop) == in(Oop)) {
-      return lb;
-    }
-    // Follow chain of load barrier through Similar edges
-    while (!lb->in(Similar)->is_top()) {
-      lb = lb->in(Similar)->in(0)->as_LoadBarrier();
-      assert(lb->in(Address) == in(Address), "");
-    }
-    if (lb != in(Similar)->in(0)) {
-      return lb;
-    }
-  }
-  for (DUIterator_Fast imax, i = val->fast_outs(imax); i < imax; i++) {
-    Node* u = val->fast_out(i);
-    if (u != this && u->is_LoadBarrier() && u->in(Oop) == val && u->as_LoadBarrier()->has_true_uses()) {
-      Node* this_ctrl = in(LoadBarrierNode::Control);
-      Node* other_ctrl = u->in(LoadBarrierNode::Control);
-      if (is_dominator(phase, linear_only, other_ctrl, this_ctrl)) {
-        return u->as_LoadBarrier();
-      }
-    }
-  }
-
-  if (can_be_eliminated()) {
-    return NULL;
-  }
-
-  if (!look_for_similar) {
-    return NULL;
+ZLoadBarrierStubC2* ZLoadBarrierStubC2::create(const MachNode* node, Address ref_addr, Register ref, Register tmp, bool weak) {
+  ZLoadBarrierStubC2* const stub = new (Compile::current()->comp_arena()) ZLoadBarrierStubC2(node, ref_addr, ref, tmp, weak);
+  if (!Compile::current()->in_scratch_emit_size()) {
+    barrier_set_state()->stubs()->append(stub);
   }
 
-  Node* addr = in(LoadBarrierNode::Address);
-  for (DUIterator_Fast imax, i = addr->fast_outs(imax); i < imax; i++) {
-    Node* u = addr->fast_out(i);
-    if (u != this && u->is_LoadBarrier() && u->as_LoadBarrier()->has_true_uses()) {
-      Node* this_ctrl = in(LoadBarrierNode::Control);
-      Node* other_ctrl = u->in(LoadBarrierNode::Control);
-      if (is_dominator(phase, linear_only, other_ctrl, this_ctrl)) {
-        ResourceMark rm;
-        Unique_Node_List wq;
-        wq.push(in(LoadBarrierNode::Control));
-        bool ok = true;
-        bool dom_found = false;
-        for (uint next = 0; next < wq.size(); ++next) {
-          Node *n = wq.at(next);
-          if (n->is_top()) {
-            return NULL;
-          }
-          assert(n->is_CFG(), "");
-          if (n->is_SafePoint()) {
-            ok = false;
-            break;
-          }
-          if (n == u) {
-            dom_found = true;
-            continue;
-          }
-          if (n->is_Region()) {
-            for (uint i = 1; i < n->req(); i++) {
-              Node* m = n->in(i);
-              if (m != NULL) {
-                wq.push(m);
-              }
-            }
-          } else {
-            Node* m = n->in(0);
-            if (m != NULL) {
-              wq.push(m);
-            }
-          }
-        }
-        if (ok) {
-          assert(dom_found, "");
-          return u->as_LoadBarrier();
-        }
-        break;
-      }
-    }
-  }
+  return stub;
+}
+
+ZLoadBarrierStubC2::ZLoadBarrierStubC2(const MachNode* node, Address ref_addr, Register ref, Register tmp, bool weak) :
+    _node(node),
+    _ref_addr(ref_addr),
+    _ref(ref),
+    _tmp(tmp),
+    _weak(weak),
+    _entry(),
+    _continuation() {
+  assert_different_registers(ref, ref_addr.base());
+  assert_different_registers(ref, ref_addr.index());
+}
 
-  return NULL;
+Address ZLoadBarrierStubC2::ref_addr() const {
+  return _ref_addr;
+}
+
+Register ZLoadBarrierStubC2::ref() const {
+  return _ref;
+}
+
+Register ZLoadBarrierStubC2::tmp() const {
+  return _tmp;
+}
+
+address ZLoadBarrierStubC2::slow_path() const {
+  const DecoratorSet decorators = _weak ? ON_WEAK_OOP_REF : ON_STRONG_OOP_REF;
+  return ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded_addr(decorators);
 }
 
-void LoadBarrierNode::push_dominated_barriers(PhaseIterGVN* igvn) const {
-  // Change to that barrier may affect a dominated barrier so re-push those
-  assert(!is_weak(), "sanity");
-  Node* val = in(LoadBarrierNode::Oop);
+RegMask& ZLoadBarrierStubC2::live() const {
+  return *barrier_set_state()->live(_node);
+}
+
+Label* ZLoadBarrierStubC2::entry() {
+  // The _entry will never be bound when in_scratch_emit_size() is true.
+  // However, we still need to return a label that is not bound now, but
+  // will eventually be bound. Any lable will do, as it will only act as
+  // a placeholder, so we return the _continuation label.
+  return Compile::current()->in_scratch_emit_size() ? &_continuation : &_entry;
+}
+
+Label* ZLoadBarrierStubC2::continuation() {
+  return &_continuation;
+}
 
-  for (DUIterator_Fast imax, i = val->fast_outs(imax); i < imax; i++) {
-    Node* u = val->fast_out(i);
-    if (u != this && u->is_LoadBarrier() && u->in(Oop) == val) {
-      Node* this_ctrl = in(Control);
-      Node* other_ctrl = u->in(Control);
-      if (is_dominator(NULL, false, this_ctrl, other_ctrl)) {
-        igvn->_worklist.push(u);
-      }
+void* ZBarrierSetC2::create_barrier_state(Arena* comp_arena) const {
+  return new (comp_arena) ZBarrierSetC2State(comp_arena);
+}
+
+void ZBarrierSetC2::late_barrier_analysis() const {
+  analyze_dominating_barriers();
+  compute_liveness_at_stubs();
+}
+
+void ZBarrierSetC2::emit_stubs(CodeBuffer& cb) const {
+  MacroAssembler masm(&cb);
+  GrowableArray<ZLoadBarrierStubC2*>* const stubs = barrier_set_state()->stubs();
+
+  for (int i = 0; i < stubs->length(); i++) {
+    // Make sure there is enough space in the code buffer
+    if (cb.insts()->maybe_expand_to_ensure_remaining(Compile::MAX_inst_size) && cb.blob() == NULL) {
+      ciEnv::current()->record_failure("CodeCache is full");
+      return;
     }
 
-    Node* addr = in(LoadBarrierNode::Address);
-    for (DUIterator_Fast imax, i = addr->fast_outs(imax); i < imax; i++) {
-      Node* u = addr->fast_out(i);
-      if (u != this && u->is_LoadBarrier() && u->in(Similar)->is_top()) {
-        Node* this_ctrl = in(Control);
-        Node* other_ctrl = u->in(Control);
-        if (is_dominator(NULL, false, this_ctrl, other_ctrl)) {
-          igvn->_worklist.push(u);
-        }
-      }
-    }
-  }
-}
-
-Node *LoadBarrierNode::Identity(PhaseGVN *phase) {
-  LoadBarrierNode* dominating_barrier = has_dominating_barrier(NULL, true, false);
-  if (dominating_barrier != NULL) {
-    assert(!is_weak(), "Weak barriers cant be eliminated");
-    assert(dominating_barrier->in(Oop) == in(Oop), "");
-    return dominating_barrier;
-  }
-
-  return this;
-}
-
-Node *LoadBarrierNode::Ideal(PhaseGVN *phase, bool can_reshape) {
-  if (remove_dead_region(phase, can_reshape)) {
-    return this;
+    ZBarrierSet::assembler()->generate_c2_load_barrier_stub(&masm, stubs->at(i));
   }
 
-  Node *val = in(Oop);
-  Node *mem = in(Memory);
-  Node *ctrl = in(Control);
-
-  assert(val->Opcode() != Op_LoadN, "");
-  assert(val->Opcode() != Op_DecodeN, "");
-
-  if (mem->is_MergeMem()) {
-    Node *new_mem = mem->as_MergeMem()->memory_at(Compile::AliasIdxRaw);
-    set_req(Memory, new_mem);
-    if (mem->outcnt() == 0 && can_reshape) {
-      phase->is_IterGVN()->_worklist.push(mem);
-    }
-    return this;
-  }
+  masm.flush();
+}
 
-  LoadBarrierNode *dominating_barrier = NULL;
-  if (!is_weak()) {
-    dominating_barrier = has_dominating_barrier(NULL, !can_reshape, !phase->C->major_progress());
-    if (dominating_barrier != NULL && dominating_barrier->in(Oop) != in(Oop)) {
-      assert(in(Address) == dominating_barrier->in(Address), "");
-      set_req(Similar, dominating_barrier->proj_out(Oop));
-      return this;
-    }
-  }
-
-  bool eliminate = can_reshape && (dominating_barrier != NULL || !has_true_uses());
-  if (eliminate) {
-    if (can_reshape) {
-      PhaseIterGVN* igvn = phase->is_IterGVN();
-      Node* out_ctrl = proj_out_or_null(Control);
-      Node* out_res = proj_out_or_null(Oop);
+int ZBarrierSetC2::estimate_stub_size() const {
+  Compile* const C = Compile::current();
+  BufferBlob* const blob = C->scratch_buffer_blob();
+  GrowableArray<ZLoadBarrierStubC2*>* const stubs = barrier_set_state()->stubs();
+  int size = 0;
 
-      if (out_ctrl != NULL) {
-        igvn->replace_node(out_ctrl, ctrl);
-      }
-
-      // That transformation may cause the Similar edge on the load barrier to be invalid
-      fix_similar_in_uses(igvn);
-      if (out_res != NULL) {
-        if (dominating_barrier != NULL) {
-          assert(!is_weak(), "Sanity");
-          igvn->replace_node(out_res, dominating_barrier->proj_out(Oop));
-        } else {
-          igvn->replace_node(out_res, val);
-        }
-      }
-    }
-    return new ConINode(TypeInt::ZERO);
+  for (int i = 0; i < stubs->length(); i++) {
+    CodeBuffer cb(blob->content_begin(), (address)C->scratch_locs_memory() - blob->content_begin());
+    MacroAssembler masm(&cb);
+    ZBarrierSet::assembler()->generate_c2_load_barrier_stub(&masm, stubs->at(i));
+    size += cb.insts_size();
   }
 
-  // If the Similar edge is no longer a load barrier, clear it
-  Node* similar = in(Similar);
-  if (!similar->is_top() && !(similar->is_Proj() && similar->in(0)->is_LoadBarrier())) {
-    set_req(Similar, phase->C->top());
-    return this;
-  }
-
-  if (can_reshape && !is_weak()) {
-    // If this barrier is linked through the Similar edge by a
-    // dominated barrier and both barriers have the same Oop field,
-    // the dominated barrier can go away, so push it for reprocessing.
-    // We also want to avoid a barrier to depend on another dominating
-    // barrier through its Similar edge that itself depend on another
-    // barrier through its Similar edge and rather have the first
-    // depend on the third.
-    PhaseIterGVN* igvn = phase->is_IterGVN();
-    Node* out_res = proj_out(Oop);
-    for (DUIterator_Fast imax, i = out_res->fast_outs(imax); i < imax; i++) {
-      Node* u = out_res->fast_out(i);
-      if (u->is_LoadBarrier() && u->in(Similar) == out_res &&
-          (u->in(Oop) == val || !u->in(Similar)->is_top())) {
-        assert(!u->as_LoadBarrier()->is_weak(), "Sanity");
-        igvn->_worklist.push(u);
-      }
-    }
-    push_dominated_barriers(igvn);
-  }
-
-  return NULL;
-}
-
-uint LoadBarrierNode::match_edge(uint idx) const {
-  ShouldNotReachHere();
-  return 0;
-}
-
-void LoadBarrierNode::fix_similar_in_uses(PhaseIterGVN* igvn) {
-  Node* out_res = proj_out_or_null(Oop);
-  if (out_res == NULL) {
-    return;
-  }
-
-  for (DUIterator_Fast imax, i = out_res->fast_outs(imax); i < imax; i++) {
-    Node* u = out_res->fast_out(i);
-    if (u->is_LoadBarrier() && u->in(Similar) == out_res) {
-      igvn->replace_input_of(u, Similar, igvn->C->top());
-      --i;
-      --imax;
-    }
-  }
-}
-
-bool LoadBarrierNode::has_true_uses() const {
-  Node* out_res = proj_out_or_null(Oop);
-  if (out_res != NULL) {
-    for (DUIterator_Fast imax, i = out_res->fast_outs(imax); i < imax; i++) {
-      Node *u = out_res->fast_out(i);
-      if (!u->is_LoadBarrier() || u->in(Similar) != out_res) {
-        return true;
-      }
-    }
-  }
-  return false;
+  return size;
 }
 
 static bool barrier_needed(C2Access& access) {
@@ -474,1223 +180,252 @@
 }
 
 Node* ZBarrierSetC2::load_at_resolved(C2Access& access, const Type* val_type) const {
-  Node* p = BarrierSetC2::load_at_resolved(access, val_type);
-  if (!barrier_needed(access)) {
-    return p;
+  Node* result = BarrierSetC2::load_at_resolved(access, val_type);
+  if (barrier_needed(access) && access.raw_access()->is_Mem()) {
+    if ((access.decorators() & ON_WEAK_OOP_REF) != 0) {
+      access.raw_access()->as_Load()->set_barrier_data(ZLoadBarrierWeak);
+    } else {
+      access.raw_access()->as_Load()->set_barrier_data(ZLoadBarrierStrong);
+    }
   }
 
-  bool weak = (access.decorators() & ON_WEAK_OOP_REF) != 0;
-  if (p->isa_Load()) {
-    load_set_barrier(p->as_Load(), weak);
-  }
-  return p;
+  return result;
 }
 
 Node* ZBarrierSetC2::atomic_cmpxchg_val_at_resolved(C2AtomicParseAccess& access, Node* expected_val,
                                                     Node* new_val, const Type* val_type) const {
   Node* result = BarrierSetC2::atomic_cmpxchg_val_at_resolved(access, expected_val, new_val, val_type);
-  LoadStoreNode* lsn = result->as_LoadStore();
   if (barrier_needed(access)) {
-    lsn->set_has_barrier();
+    access.raw_access()->as_LoadStore()->set_barrier_data(ZLoadBarrierStrong);
   }
-  return lsn;
+  return result;
 }
 
 Node* ZBarrierSetC2::atomic_cmpxchg_bool_at_resolved(C2AtomicParseAccess& access, Node* expected_val,
                                                      Node* new_val, const Type* value_type) const {
   Node* result = BarrierSetC2::atomic_cmpxchg_bool_at_resolved(access, expected_val, new_val, value_type);
-  LoadStoreNode* lsn = result->as_LoadStore();
   if (barrier_needed(access)) {
-    lsn->set_has_barrier();
+    access.raw_access()->as_LoadStore()->set_barrier_data(ZLoadBarrierStrong);
   }
-  return lsn;
+  return result;
 }
 
 Node* ZBarrierSetC2::atomic_xchg_at_resolved(C2AtomicParseAccess& access, Node* new_val, const Type* val_type) const {
   Node* result = BarrierSetC2::atomic_xchg_at_resolved(access, new_val, val_type);
-  LoadStoreNode* lsn = result->as_LoadStore();
   if (barrier_needed(access)) {
-    lsn->set_has_barrier();
+    access.raw_access()->as_LoadStore()->set_barrier_data(ZLoadBarrierStrong);
   }
-  return lsn;
+  return result;
 }
 
-// == Macro Expansion ==
-
-// Optimized, low spill, loadbarrier variant using stub specialized on register used
-void ZBarrierSetC2::expand_loadbarrier_node(PhaseMacroExpand* phase, LoadBarrierNode* barrier) const {
-  PhaseIterGVN &igvn = phase->igvn();
-  float unlikely  = PROB_UNLIKELY(0.999);
-
-  Node* in_ctrl = barrier->in(LoadBarrierNode::Control);
-  Node* in_mem = barrier->in(LoadBarrierNode::Memory);
-  Node* in_val = barrier->in(LoadBarrierNode::Oop);
-  Node* in_adr = barrier->in(LoadBarrierNode::Address);
-
-  Node* out_ctrl = barrier->proj_out(LoadBarrierNode::Control);
-  Node* out_res = barrier->proj_out(LoadBarrierNode::Oop);
-
-  assert(barrier->in(LoadBarrierNode::Oop) != NULL, "oop to loadbarrier node cannot be null");
-
-  Node* jthread = igvn.transform(new ThreadLocalNode());
-  Node* adr = phase->basic_plus_adr(jthread, in_bytes(ZThreadLocalData::address_bad_mask_offset()));
-  Node* bad_mask = igvn.transform(LoadNode::make(igvn, in_ctrl, in_mem, adr,
-                                                 TypeRawPtr::BOTTOM, TypeX_X, TypeX_X->basic_type(),
-                                                 MemNode::unordered));
-  Node* cast = igvn.transform(new CastP2XNode(in_ctrl, in_val));
-  Node* obj_masked = igvn.transform(new AndXNode(cast, bad_mask));
-  Node* cmp = igvn.transform(new CmpXNode(obj_masked, igvn.zerocon(TypeX_X->basic_type())));
-  Node *bol = igvn.transform(new BoolNode(cmp, BoolTest::ne))->as_Bool();
-  IfNode* iff = igvn.transform(new IfNode(in_ctrl, bol, unlikely, COUNT_UNKNOWN))->as_If();
-  Node* then = igvn.transform(new IfTrueNode(iff));
-  Node* elsen = igvn.transform(new IfFalseNode(iff));
-
-  Node* new_loadp = igvn.transform(new LoadBarrierSlowRegNode(then, in_adr, in_val,
-                                                              (const TypePtr*) in_val->bottom_type(), barrier->is_weak()));
-
-  // Create the final region/phi pair to converge cntl/data paths to downstream code
-  Node* result_region = igvn.transform(new RegionNode(3));
-  result_region->set_req(1, then);
-  result_region->set_req(2, elsen);
-
-  Node* result_phi = igvn.transform(new PhiNode(result_region, TypeInstPtr::BOTTOM));
-  result_phi->set_req(1, new_loadp);
-  result_phi->set_req(2, barrier->in(LoadBarrierNode::Oop));
-
-  igvn.replace_node(out_ctrl, result_region);
-  igvn.replace_node(out_res, result_phi);
-
-  assert(barrier->outcnt() == 0,"LoadBarrier macro node has non-null outputs after expansion!");
-
-  igvn.remove_dead_node(barrier);
-  igvn.remove_dead_node(out_ctrl);
-  igvn.remove_dead_node(out_res);
-
-  assert(is_gc_barrier_node(result_phi), "sanity");
-  assert(step_over_gc_barrier(result_phi) == in_val, "sanity");
-
-  phase->C->print_method(PHASE_BARRIER_EXPANSION, 4, barrier->_idx);
+bool ZBarrierSetC2::array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type,
+                                                    bool is_clone, ArrayCopyPhase phase) const {
+  return type == T_OBJECT || type == T_ARRAY;
 }
 
-bool ZBarrierSetC2::expand_barriers(Compile* C, PhaseIterGVN& igvn) const {
-  ZBarrierSetC2State* s = state();
-  if (s->load_barrier_count() > 0) {
-    PhaseMacroExpand macro(igvn);
+// == Dominating barrier elision ==
 
-    int skipped = 0;
-    while (s->load_barrier_count() > skipped) {
-      int load_barrier_count = s->load_barrier_count();
-      LoadBarrierNode * n = s->load_barrier_node(load_barrier_count-1-skipped);
-      if (igvn.type(n) == Type::TOP || (n->in(0) != NULL && n->in(0)->is_top())) {
-        // Node is unreachable, so don't try to expand it
-        s->remove_load_barrier_node(n);
-        continue;
-      }
-      if (!n->can_be_eliminated()) {
-        skipped++;
-        continue;
-      }
-      expand_loadbarrier_node(&macro, n);
-      assert(s->load_barrier_count() < load_barrier_count, "must have deleted a node from load barrier list");
-      if (C->failing()) {
-        return true;
-      }
-    }
-    while (s->load_barrier_count() > 0) {
-      int load_barrier_count = s->load_barrier_count();
-      LoadBarrierNode* n = s->load_barrier_node(load_barrier_count - 1);
-      assert(!(igvn.type(n) == Type::TOP || (n->in(0) != NULL && n->in(0)->is_top())), "should have been processed already");
-      assert(!n->can_be_eliminated(), "should have been processed already");
-      expand_loadbarrier_node(&macro, n);
-      assert(s->load_barrier_count() < load_barrier_count, "must have deleted a node from load barrier list");
-      if (C->failing()) {
-        return true;
-      }
-    }
-    igvn.set_delay_transform(false);
-    igvn.optimize();
-    if (C->failing()) {
+static bool block_has_safepoint(const Block* block, uint from, uint to) {
+  for (uint i = from; i < to; i++) {
+    if (block->get_node(i)->is_MachSafePoint()) {
+      // Safepoint found
       return true;
     }
   }
 
+  // Safepoint not found
   return false;
 }
 
-Node* ZBarrierSetC2::step_over_gc_barrier(Node* c) const {
-  Node* node = c;
+static bool block_has_safepoint(const Block* block) {
+  return block_has_safepoint(block, 0, block->number_of_nodes());
+}
 
-  // 1. This step follows potential oop projections of a load barrier before expansion
-  if (node->is_Proj()) {
-    node = node->in(0);
+static uint block_index(const Block* block, const Node* node) {
+  for (uint j = 0; j < block->number_of_nodes(); ++j) {
+    if (block->get_node(j) == node) {
+      return j;
+    }
   }
+  ShouldNotReachHere();
+  return 0;
+}
+
+void ZBarrierSetC2::analyze_dominating_barriers() const {
+  ResourceMark rm;
+  Compile* const C = Compile::current();
+  PhaseCFG* const cfg = C->cfg();
+  Block_List worklist;
+  Node_List mem_ops;
+  Node_List barrier_loads;
 
-  // 2. This step checks for unexpanded load barriers
-  if (node->is_LoadBarrier()) {
-    return node->in(LoadBarrierNode::Oop);
-  }
+  // Step 1 - Find accesses, and track them in lists
+  for (uint i = 0; i < cfg->number_of_blocks(); ++i) {
+    const Block* const block = cfg->get_block(i);
+    for (uint j = 0; j < block->number_of_nodes(); ++j) {
+      const Node* const node = block->get_node(j);
+      if (!node->is_Mach()) {
+        continue;
+      }
 
-  // 3. This step checks for the phi corresponding to an optimized load barrier expansion
-  if (node->is_Phi()) {
-    PhiNode* phi = node->as_Phi();
-    Node* n = phi->in(1);
-    if (n != NULL && n->is_LoadBarrierSlowReg()) {
-      assert(c == node, "projections from step 1 should only be seen before macro expansion");
-      return phi->in(2);
+      MachNode* const mach = node->as_Mach();
+      switch (mach->ideal_Opcode()) {
+      case Op_LoadP:
+      case Op_CompareAndExchangeP:
+      case Op_CompareAndSwapP:
+      case Op_GetAndSetP:
+        if (mach->barrier_data() == ZLoadBarrierStrong) {
+          barrier_loads.push(mach);
+        }
+      case Op_StoreP:
+        mem_ops.push(mach);
+        break;
+
+      default:
+        break;
+      }
     }
   }
 
-  return c;
-}
-
-Node* ZBarrierSetC2::step_over_gc_barrier_ctrl(Node* c) const {
-  Node* node = c;
-
-  // 1. This step follows potential ctrl projections of a load barrier before expansion
-  if (node->is_Proj()) {
-    node = node->in(0);
-  }
-
-  // 2. This step checks for unexpanded load barriers
-  if (node->is_LoadBarrier()) {
-    return node->in(LoadBarrierNode::Control);
-  }
-
-  return c;
-}
-
-bool ZBarrierSetC2::array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type, bool is_clone, ArrayCopyPhase phase) const {
-  return is_reference_type(type);
-}
-
-bool ZBarrierSetC2::final_graph_reshaping(Compile* compile, Node* n, uint opcode) const {
-  switch (opcode) {
-    case Op_LoadBarrier:
-      assert(0, "There should be no load barriers left");
-    case Op_ZGetAndSetP:
-    case Op_ZCompareAndExchangeP:
-    case Op_ZCompareAndSwapP:
-    case Op_ZWeakCompareAndSwapP:
-#ifdef ASSERT
-      if (VerifyOptoOopOffsets) {
-        MemNode *mem = n->as_Mem();
-        // Check to see if address types have grounded out somehow.
-        const TypeInstPtr *tp = mem->in(MemNode::Address)->bottom_type()->isa_instptr();
-        ciInstanceKlass *k = tp->klass()->as_instance_klass();
-        bool oop_offset_is_sane = k->contains_field_offset(tp->offset());
-        assert(!tp || oop_offset_is_sane, "");
-      }
-#endif
-      return true;
-    default:
-      return false;
-  }
-}
+  // Step 2 - Find dominating accesses for each load
+  for (uint i = 0; i < barrier_loads.size(); i++) {
+    MachNode* const load = barrier_loads.at(i)->as_Mach();
+    const TypePtr* load_adr_type = NULL;
+    intptr_t load_offset = 0;
+    const Node* const load_obj = load->get_base_and_disp(load_offset, load_adr_type);
+    Block* const load_block = cfg->get_block_for_node(load);
+    const uint load_index = block_index(load_block, load);
 
-bool ZBarrierSetC2::matcher_find_shared_visit(Matcher* matcher, Matcher::MStack& mstack, Node* n, uint opcode, bool& mem_op, int& mem_addr_idx) const {
-  switch(opcode) {
-    case Op_CallLeaf:
-      if (n->as_Call()->entry_point() == ZBarrierSetRuntime::load_barrier_on_oop_field_preloaded_addr() ||
-          n->as_Call()->entry_point() == ZBarrierSetRuntime::load_barrier_on_weak_oop_field_preloaded_addr()) {
-        mem_op = true;
-        mem_addr_idx = TypeFunc::Parms + 1;
-        return true;
-      }
-      return false;
-    default:
-      return false;
-  }
-}
-
-bool ZBarrierSetC2::matcher_find_shared_post_visit(Matcher* matcher, Node* n, uint opcode) const {
-  switch(opcode) {
-    case Op_ZCompareAndExchangeP:
-    case Op_ZCompareAndSwapP:
-    case Op_ZWeakCompareAndSwapP: {
-      Node *mem = n->in(MemNode::Address);
-      Node *keepalive = n->in(5);
-      Node *pair1 = new BinaryNode(mem, keepalive);
-
-      Node *newval = n->in(MemNode::ValueIn);
-      Node *oldval = n->in(LoadStoreConditionalNode::ExpectedIn);
-      Node *pair2 = new BinaryNode(oldval, newval);
+    for (uint j = 0; j < mem_ops.size(); j++) {
+      MachNode* mem = mem_ops.at(j)->as_Mach();
+      const TypePtr* mem_adr_type = NULL;
+      intptr_t mem_offset = 0;
+      const Node* mem_obj = mem_obj = mem->get_base_and_disp(mem_offset, mem_adr_type);
+      Block* mem_block = cfg->get_block_for_node(mem);
+      uint mem_index = block_index(mem_block, mem);
 
-      n->set_req(MemNode::Address, pair1);
-      n->set_req(MemNode::ValueIn, pair2);
-      n->del_req(5);
-      n->del_req(LoadStoreConditionalNode::ExpectedIn);
-      return true;
-    }
-    case Op_ZGetAndSetP: {
-      Node *keepalive = n->in(4);
-      Node *newval = n->in(MemNode::ValueIn);
-      Node *pair = new BinaryNode(newval, keepalive);
-      n->set_req(MemNode::ValueIn, pair);
-      n->del_req(4);
-      return true;
-    }
+      if (load_obj == NodeSentinel || mem_obj == NodeSentinel ||
+          load_obj == NULL || mem_obj == NULL ||
+          load_offset < 0 || mem_offset < 0) {
+        continue;
+      }
 
-    default:
-      return false;
-  }
-}
-
-// == Verification ==
-
-#ifdef ASSERT
-
-static void verify_slippery_safepoints_internal(Node* ctrl) {
-  // Given a CFG node, make sure it does not contain both safepoints and loads
-  // that have expanded barriers.
-  bool found_safepoint = false;
-  bool found_load = false;
+      if (mem_obj != load_obj || mem_offset != load_offset) {
+        // Not the same addresses, not a candidate
+        continue;
+      }
 
-  for (DUIterator_Fast imax, i = ctrl->fast_outs(imax); i < imax; i++) {
-    Node* node = ctrl->fast_out(i);
-    if (node->in(0) != ctrl) {
-      // Skip outgoing precedence edges from ctrl.
-      continue;
-    }
-    if (node->is_SafePoint()) {
-      found_safepoint = true;
-    }
-    if (node->is_Load() && load_require_barrier(node->as_Load()) &&
-        load_has_expanded_barrier(node->as_Load())) {
-      found_load = true;
-    }
-  }
-  assert(!found_safepoint || !found_load, "found load and safepoint in same block");
-}
-
-static void verify_slippery_safepoints(Compile* C) {
-  ResourceArea *area = Thread::current()->resource_area();
-  Unique_Node_List visited(area);
-  Unique_Node_List checked(area);
-
-  // Recursively walk the graph.
-  visited.push(C->root());
-  while (visited.size() > 0) {
-    Node* node = visited.pop();
-
-    Node* ctrl = node;
-    if (!node->is_CFG()) {
-      ctrl = node->in(0);
-    }
-
-    if (ctrl != NULL && !checked.member(ctrl)) {
-      // For each block found in the graph, verify that it does not
-      // contain both a safepoint and a load requiring barriers.
-      verify_slippery_safepoints_internal(ctrl);
-
-      checked.push(ctrl);
-    }
-
-    checked.push(node);
-
-    for (DUIterator_Fast imax, i = node->fast_outs(imax); i < imax; i++) {
-      Node* use = node->fast_out(i);
-      if (checked.member(use))  continue;
-      if (visited.member(use))  continue;
-      visited.push(use);
-    }
-  }
-}
+      if (load_block == mem_block) {
+        // Earlier accesses in the same block
+        if (mem_index < load_index && !block_has_safepoint(mem_block, mem_index + 1, load_index)) {
+          load->set_barrier_data(ZLoadBarrierElided);
+        }
+      } else if (mem_block->dominates(load_block)) {
+        // Dominating block? Look around for safepoints
+        ResourceMark rm;
+        Block_List stack;
+        VectorSet visited(Thread::current()->resource_area());
+        stack.push(load_block);
+        bool safepoint_found = block_has_safepoint(load_block);
+        while (!safepoint_found && stack.size() > 0) {
+          Block* block = stack.pop();
+          if (visited.test_set(block->_pre_order)) {
+            continue;
+          }
+          if (block_has_safepoint(block)) {
+            safepoint_found = true;
+            break;
+          }
+          if (block == mem_block) {
+            continue;
+          }
 
-void ZBarrierSetC2::verify_gc_barriers(Compile* compile, CompilePhase phase) const {
-  switch(phase) {
-    case BarrierSetC2::BeforeOptimize:
-    case BarrierSetC2::BeforeLateInsertion:
-      assert(state()->load_barrier_count() == 0, "No barriers inserted yet");
-      break;
-    case BarrierSetC2::BeforeMacroExpand:
-      // Barrier placement should be set by now.
-      verify_gc_barriers(false /*post_parse*/);
-      break;
-    case BarrierSetC2::BeforeCodeGen:
-      // Barriers has been fully expanded.
-      assert(state()->load_barrier_count() == 0, "No more macro barriers");
-      verify_slippery_safepoints(compile);
-      break;
-    default:
-      assert(0, "Phase without verification");
-  }
-}
-
-// post_parse implies that there might be load barriers without uses after parsing
-// That only applies when adding barriers at parse time.
-void ZBarrierSetC2::verify_gc_barriers(bool post_parse) const {
-  ZBarrierSetC2State* s = state();
-  Compile* C = Compile::current();
-  ResourceMark rm;
-  VectorSet visited(Thread::current()->resource_area());
-
-  for (int i = 0; i < s->load_barrier_count(); i++) {
-    LoadBarrierNode* n = s->load_barrier_node(i);
-
-    // The dominating barrier on the same address if it exists and
-    // this barrier must not be applied on the value from the same
-    // load otherwise the value is not reloaded before it's used the
-    // second time.
-    assert(n->in(LoadBarrierNode::Similar)->is_top() ||
-           (n->in(LoadBarrierNode::Similar)->in(0)->is_LoadBarrier() &&
-            n->in(LoadBarrierNode::Similar)->in(0)->in(LoadBarrierNode::Address) == n->in(LoadBarrierNode::Address) &&
-            n->in(LoadBarrierNode::Similar)->in(0)->in(LoadBarrierNode::Oop) != n->in(LoadBarrierNode::Oop)),
-           "broken similar edge");
-
-    assert(n->as_LoadBarrier()->has_true_uses(),
-           "found unneeded load barrier");
-
-    // Several load barrier nodes chained through their Similar edge
-    // break the code that remove the barriers in final graph reshape.
-    assert(n->in(LoadBarrierNode::Similar)->is_top() ||
-           (n->in(LoadBarrierNode::Similar)->in(0)->is_LoadBarrier() &&
-            n->in(LoadBarrierNode::Similar)->in(0)->in(LoadBarrierNode::Similar)->is_top()),
-           "chain of Similar load barriers");
-
-    if (!n->in(LoadBarrierNode::Similar)->is_top()) {
-      ResourceMark rm;
-      Unique_Node_List wq;
-      Node* other = n->in(LoadBarrierNode::Similar)->in(0);
-      wq.push(n);
-      for (uint next = 0; next < wq.size(); ++next) {
-        Node *nn = wq.at(next);
-        assert(nn->is_CFG(), "");
-        assert(!nn->is_SafePoint(), "");
-
-        if (nn == other) {
-          continue;
+          // Push predecessor blocks
+          for (uint p = 1; p < block->num_preds(); ++p) {
+            Block* pred = cfg->get_block_for_node(block->pred(p));
+            stack.push(pred);
+          }
         }
 
-        if (nn->is_Region()) {
-          for (uint i = 1; i < nn->req(); i++) {
-            Node* m = nn->in(i);
-            if (m != NULL) {
-              wq.push(m);
-            }
-          }
-        } else {
-          Node* m = nn->in(0);
-          if (m != NULL) {
-            wq.push(m);
-          }
+        if (!safepoint_found) {
+          load->set_barrier_data(ZLoadBarrierElided);
         }
       }
     }
   }
 }
 
-#endif // end verification code
-
-// If a call is the control, we actually want its control projection
-static Node* normalize_ctrl(Node* node) {
- if (node->is_Call()) {
-   node = node->as_Call()->proj_out(TypeFunc::Control);
- }
- return node;
-}
-
-static Node* get_ctrl_normalized(PhaseIdealLoop *phase, Node* node) {
-  return normalize_ctrl(phase->get_ctrl(node));
-}
-
-static void call_catch_cleanup_one(PhaseIdealLoop* phase, LoadNode* load, Node* ctrl);
-
-// This code is cloning all uses of a load that is between a call and the catch blocks,
-// to each use.
-
-static bool fixup_uses_in_catch(PhaseIdealLoop *phase, Node *start_ctrl, Node *node) {
-
-  if (!phase->has_ctrl(node)) {
-    // This node is floating - doesn't need to be cloned.
-    assert(node != start_ctrl, "check");
-    return false;
-  }
-
-  Node* ctrl = get_ctrl_normalized(phase, node);
-  if (ctrl != start_ctrl) {
-    // We are in a successor block - the node is ok.
-    return false; // Unwind
-  }
-
-  // Process successor nodes
-  int outcnt = node->outcnt();
-  for (int i = 0; i < outcnt; i++) {
-    Node* n = node->raw_out(0);
-    assert(!n->is_LoadBarrier(), "Sanity");
-    // Calling recursively, visiting leafs first
-    fixup_uses_in_catch(phase, start_ctrl, n);
-  }
-
-  // Now all successors are outside
-  // - Clone this node to both successors
-  assert(!node->is_Store(), "Stores not expected here");
-
-  // In some very rare cases a load that doesn't need a barrier will end up here
-  // Treat it as a LoadP and the insertion of phis will be done correctly.
-  if (node->is_Load()) {
-    call_catch_cleanup_one(phase, node->as_Load(), phase->get_ctrl(node));
-  } else {
-    for (DUIterator_Fast jmax, i = node->fast_outs(jmax); i < jmax; i++) {
-      Node* use = node->fast_out(i);
-      Node* clone = node->clone();
-      assert(clone->outcnt() == 0, "");
+// == Reduced spilling optimization ==
 
-      assert(use->find_edge(node) != -1, "check");
-      phase->igvn().rehash_node_delayed(use);
-      use->replace_edge(node, clone);
-
-      Node* new_ctrl;
-      if (use->is_block_start()) {
-        new_ctrl = use;
-      } else if (use->is_CFG()) {
-        new_ctrl = use->in(0);
-        assert (new_ctrl != NULL, "");
-      } else {
-        new_ctrl = get_ctrl_normalized(phase, use);
-      }
-
-      phase->set_ctrl(clone, new_ctrl);
-
-      if (phase->C->directive()->ZTraceLoadBarriersOption) tty->print_cr("  Clone op %i as %i to control %i", node->_idx, clone->_idx, new_ctrl->_idx);
-      phase->igvn().register_new_node_with_optimizer(clone);
-      --i, --jmax;
-    }
-    assert(node->outcnt() == 0, "must be empty now");
-
-    // Node node is dead.
-    phase->igvn().remove_dead_node(node);
-  }
-  return true; // unwind - return if a use was processed
-}
+void ZBarrierSetC2::compute_liveness_at_stubs() const {
+  ResourceMark rm;
+  Compile* const C = Compile::current();
+  Arena* const A = Thread::current()->resource_area();
+  PhaseCFG* const cfg = C->cfg();
+  PhaseRegAlloc* const regalloc = C->regalloc();
+  RegMask* const live = NEW_ARENA_ARRAY(A, RegMask, cfg->number_of_blocks() * sizeof(RegMask));
+  ZBarrierSetAssembler* const bs = ZBarrierSet::assembler();
+  Block_List worklist;
 
-// Clone a load to a specific catch_proj
-static Node* clone_load_to_catchproj(PhaseIdealLoop* phase, Node* load, Node* catch_proj) {
-  Node* cloned_load = load->clone();
-  cloned_load->set_req(0, catch_proj);      // set explicit control
-  phase->set_ctrl(cloned_load, catch_proj); // update
-  if (phase->C->directive()->ZTraceLoadBarriersOption) tty->print_cr("  Clone LOAD %i as %i to control %i", load->_idx, cloned_load->_idx, catch_proj->_idx);
-  phase->igvn().register_new_node_with_optimizer(cloned_load);
-  return cloned_load;
-}
-
-static Node* get_dominating_region(PhaseIdealLoop* phase, Node* node, Node* stop) {
-  Node* region = node;
-  while (!region->isa_Region()) {
-    Node *up = phase->idom(region);
-    assert(up != region, "Must not loop");
-    assert(up != stop,   "Must not find original control");
-    region = up;
-  }
-  return region;
-}
-
-// Clone this load to each catch block
-static void call_catch_cleanup_one(PhaseIdealLoop* phase, LoadNode* load, Node* ctrl) {
-  bool trace = phase->C->directive()->ZTraceLoadBarriersOption;
-  phase->igvn().set_delay_transform(true);
-
-  // Verify pre conditions
-  assert(ctrl->isa_Proj() && ctrl->in(0)->isa_Call(), "Must be a call proj");
-  assert(ctrl->raw_out(0)->isa_Catch(), "Must be a catch");
-
-  if (ctrl->raw_out(0)->isa_Catch()->outcnt() == 1) {
-    if (trace) tty->print_cr("Cleaning up catch: Skipping load %i, call with single catch", load->_idx);
-    return;
+  for (uint i = 0; i < cfg->number_of_blocks(); ++i) {
+    new ((void*)(live + i)) RegMask();
+    worklist.push(cfg->get_block(i));
   }
 
-  // Process the loads successor nodes - if any is between
-  // the call and the catch blocks, they need to be cloned to.
-  // This is done recursively
-  for (uint i = 0; i < load->outcnt();) {
-    Node *n = load->raw_out(i);
-    assert(!n->is_LoadBarrier(), "Sanity");
-    if (!fixup_uses_in_catch(phase, ctrl, n)) {
-      // if no successor was cloned, progress to next out.
-      i++;
-    }
-  }
-
-  // Now all the loads uses has been cloned down
-  // Only thing left is to clone the loads, but they must end up
-  // first in the catch blocks.
-
-  // We clone the loads oo the catch blocks only when needed.
-  // An array is used to map the catch blocks to each lazily cloned load.
-  // In that way no extra unnecessary loads are cloned.
-
-  // Any use dominated by original block must have an phi and a region added
-
-  Node* catch_node = ctrl->raw_out(0);
-  int number_of_catch_projs = catch_node->outcnt();
-  Node** proj_to_load_mapping = NEW_RESOURCE_ARRAY(Node*, number_of_catch_projs);
-  Copy::zero_to_bytes(proj_to_load_mapping, sizeof(Node*) * number_of_catch_projs);
-
-  // The phi_map is used to keep track of where phis have already been inserted
-  int phi_map_len = phase->C->unique();
-  Node** phi_map = NEW_RESOURCE_ARRAY(Node*, phi_map_len);
-  Copy::zero_to_bytes(phi_map, sizeof(Node*) * phi_map_len);
+  while (worklist.size() > 0) {
+    const Block* const block = worklist.pop();
+    RegMask& old_live = live[block->_pre_order];
+    RegMask new_live;
 
-  for (unsigned int i = 0; i  < load->outcnt(); i++) {
-    Node* load_use_control = NULL;
-    Node* load_use = load->raw_out(i);
-
-    if (phase->has_ctrl(load_use)) {
-      load_use_control = get_ctrl_normalized(phase, load_use);
-      assert(load_use_control != ctrl, "sanity");
-    } else {
-      load_use_control = load_use->in(0);
-    }
-    assert(load_use_control != NULL, "sanity");
-    if (trace) tty->print_cr("  Handling use: %i, with control: %i", load_use->_idx, load_use_control->_idx);
-
-    // Some times the loads use is a phi. For them we need to determine from which catch block
-    // the use is defined.
-    bool load_use_is_phi = false;
-    unsigned int load_use_phi_index = 0;
-    Node* phi_ctrl = NULL;
-    if (load_use->is_Phi()) {
-      // Find phi input that matches load
-      for (unsigned int u = 1; u < load_use->req(); u++) {
-        if (load_use->in(u) == load) {
-          load_use_is_phi = true;
-          load_use_phi_index = u;
-          assert(load_use->in(0)->is_Region(), "Region or broken");
-          phi_ctrl = load_use->in(0)->in(u);
-          assert(phi_ctrl->is_CFG(), "check");
-          assert(phi_ctrl != load,   "check");
-          break;
-        }
-      }
-      assert(load_use_is_phi,        "must find");
-      assert(load_use_phi_index > 0, "sanity");
+    // Initialize to union of successors
+    for (uint i = 0; i < block->_num_succs; i++) {
+      const uint succ_id = block->_succs[i]->_pre_order;
+      new_live.OR(live[succ_id]);
     }
 
-    // For each load use, see which catch projs dominates, create load clone lazily and reconnect
-    bool found_dominating_catchproj = false;
-    for (int c = 0; c < number_of_catch_projs; c++) {
-      Node* catchproj = catch_node->raw_out(c);
-      assert(catchproj != NULL && catchproj->isa_CatchProj(), "Sanity");
-
-      if (!phase->is_dominator(catchproj, load_use_control)) {
-        if (load_use_is_phi && phase->is_dominator(catchproj, phi_ctrl)) {
-          // The loads use is local to the catchproj.
-          // fall out and replace load with catch-local load clone.
-        } else {
-          continue;
-        }
-      }
-      assert(!found_dominating_catchproj, "Max one should match");
-
-      // Clone loads to catch projs
-      Node* load_clone = proj_to_load_mapping[c];
-      if (load_clone == NULL) {
-        load_clone = clone_load_to_catchproj(phase, load, catchproj);
-        proj_to_load_mapping[c] = load_clone;
-      }
-      phase->igvn().rehash_node_delayed(load_use);
+    // Walk block backwards, computing liveness
+    for (int i = block->number_of_nodes() - 1; i >= 0; --i) {
+      const Node* const node = block->get_node(i);
 
-      if (load_use_is_phi) {
-        // phis are special - the load is defined from a specific control flow
-        load_use->set_req(load_use_phi_index, load_clone);
-      } else {
-        // Multipe edges can be replaced at once - on calls for example
-        load_use->replace_edge(load, load_clone);
+      // Remove def bits
+      const OptoReg::Name first = bs->refine_register(node, regalloc->get_reg_first(node));
+      const OptoReg::Name second = bs->refine_register(node, regalloc->get_reg_second(node));
+      if (first != OptoReg::Bad) {
+        new_live.Remove(first);
       }
-      --i; // more than one edge can have been removed, but the next is in later iterations
-
-      // We could break the for-loop after finding a dominating match.
-      // But keep iterating to catch any bad idom early.
-      found_dominating_catchproj = true;
-    }
+      if (second != OptoReg::Bad) {
+        new_live.Remove(second);
+      }
 
-    // We found no single catchproj that dominated the use - The use is at a point after
-    // where control flow from multiple catch projs have merged. We will have to create
-    // phi nodes before the use and tie the output from the cloned loads together. It
-    // can be a single phi or a number of chained phis, depending on control flow
-    if (!found_dominating_catchproj) {
-
-      // Use phi-control if use is a phi
-      if (load_use_is_phi) {
-        load_use_control = phi_ctrl;
-      }
-      assert(phase->is_dominator(ctrl, load_use_control), "Common use but no dominator");
-
-      // Clone a load on all paths
-      for (int c = 0; c < number_of_catch_projs; c++) {
-        Node* catchproj = catch_node->raw_out(c);
-        Node* load_clone = proj_to_load_mapping[c];
-        if (load_clone == NULL) {
-          load_clone = clone_load_to_catchproj(phase, load, catchproj);
-          proj_to_load_mapping[c] = load_clone;
+      // Add use bits
+      for (uint j = 1; j < node->req(); ++j) {
+        const Node* const use = node->in(j);
+        const OptoReg::Name first = bs->refine_register(use, regalloc->get_reg_first(use));
+        const OptoReg::Name second = bs->refine_register(use, regalloc->get_reg_second(use));
+        if (first != OptoReg::Bad) {
+          new_live.Insert(first);
+        }
+        if (second != OptoReg::Bad) {
+          new_live.Insert(second);
         }
       }
 
-      // Move up dominator tree from use until dom front is reached
-      Node* next_region = get_dominating_region(phase, load_use_control, ctrl);
-      while (phase->idom(next_region) != catch_node) {
-        next_region = phase->idom(next_region);
-        if (trace) tty->print_cr("Moving up idom to region ctrl %i", next_region->_idx);
-      }
-      assert(phase->is_dominator(catch_node, next_region), "Sanity");
-
-      // Create or reuse phi node that collect all cloned loads and feed it to the use.
-      Node* test_phi = phi_map[next_region->_idx];
-      if ((test_phi != NULL) && test_phi->is_Phi()) {
-        // Reuse an already created phi
-        if (trace) tty->print_cr("    Using cached Phi %i on load_use %i", test_phi->_idx, load_use->_idx);
-        phase->igvn().rehash_node_delayed(load_use);
-        load_use->replace_edge(load, test_phi);
-        // Now this use is done
-      } else {
-        // Otherwise we need to create one or more phis
-        PhiNode* next_phi = new PhiNode(next_region, load->type());
-        phi_map[next_region->_idx] = next_phi; // cache new phi
-        phase->igvn().rehash_node_delayed(load_use);
-        load_use->replace_edge(load, next_phi);
-
-        int dominators_of_region = 0;
-        do {
-          // New phi, connect to region and add all loads as in.
-          Node* region = next_region;
-          assert(region->isa_Region() && region->req() > 2, "Catch dead region nodes");
-          PhiNode* new_phi = next_phi;
-
-          if (trace) tty->print_cr("Created Phi %i on load %i with control %i", new_phi->_idx, load->_idx, region->_idx);
-
-          // Need to add all cloned loads to the phi, taking care that the right path is matched
-          dominators_of_region = 0; // reset for new region
-          for (unsigned int reg_i = 1; reg_i < region->req(); reg_i++) {
-            Node* region_pred = region->in(reg_i);
-            assert(region_pred->is_CFG(), "check");
-            bool pred_has_dominator = false;
-            for (int c = 0; c < number_of_catch_projs; c++) {
-              Node* catchproj = catch_node->raw_out(c);
-              if (phase->is_dominator(catchproj, region_pred)) {
-                new_phi->set_req(reg_i, proj_to_load_mapping[c]);
-                if (trace) tty->print_cr(" - Phi in(%i) set to load %i", reg_i, proj_to_load_mapping[c]->_idx);
-                pred_has_dominator = true;
-                dominators_of_region++;
-                break;
-              }
-            }
-
-            // Sometimes we need to chain several phis.
-            if (!pred_has_dominator) {
-              assert(dominators_of_region <= 1, "More than one region can't require extra phi");
-              if (trace) tty->print_cr(" - Region %i pred %i not dominated by catch proj", region->_idx, region_pred->_idx);
-              // Continue search on on this region_pred
-              // - walk up to next region
-              // - create a new phi and connect to first new_phi
-              next_region = get_dominating_region(phase, region_pred, ctrl);
-
-              // Lookup if there already is a phi, create a new otherwise
-              Node* test_phi = phi_map[next_region->_idx];
-              if ((test_phi != NULL) && test_phi->is_Phi()) {
-                next_phi = test_phi->isa_Phi();
-                dominators_of_region++; // record that a match was found and that we are done
-                if (trace) tty->print_cr("    Using cached phi Phi %i on control %i", next_phi->_idx, next_region->_idx);
-              } else {
-                next_phi = new PhiNode(next_region, load->type());
-                phi_map[next_region->_idx] = next_phi;
-              }
-              new_phi->set_req(reg_i, next_phi);
-            }
-          }
-
-          new_phi->set_req(0, region);
-          phase->igvn().register_new_node_with_optimizer(new_phi);
-          phase->set_ctrl(new_phi, region);
-
-          assert(dominators_of_region != 0, "Must have found one this iteration");
-        } while (dominators_of_region == 1);
-      }
-      --i;
-    }
-  } // end of loop over uses
-
-  assert(load->outcnt() == 0, "All uses should be handled");
-  phase->igvn().remove_dead_node(load);
-  phase->C->print_method(PHASE_CALL_CATCH_CLEANUP, 4, load->_idx);
-
-  // Now we should be home
-  phase->igvn().set_delay_transform(false);
-}
-
-// Sort out the loads that are between a call ant its catch blocks
-static void process_catch_cleanup_candidate(PhaseIdealLoop* phase, LoadNode* load, bool verify) {
-  bool trace = phase->C->directive()->ZTraceLoadBarriersOption;
-
-  Node* ctrl = get_ctrl_normalized(phase, load);
-  if (!ctrl->is_Proj() || (ctrl->in(0) == NULL) || !ctrl->in(0)->isa_Call()) {
-    return;
-  }
-
-  Node* catch_node = ctrl->isa_Proj()->raw_out(0);
-  if (catch_node->is_Catch()) {
-    if (catch_node->outcnt() > 1) {
-      assert(!verify, "All loads should already have been moved");
-      call_catch_cleanup_one(phase, load, ctrl);
-    } else {
-      if (trace) tty->print_cr("Call catch cleanup with only one catch: load %i ", load->_idx);
-    }
-  }
-}
-
-void ZBarrierSetC2::barrier_insertion_phase(Compile* C, PhaseIterGVN& igvn) const {
-  PhaseIdealLoop::optimize(igvn, LoopOptsZBarrierInsertion);
-  if (C->failing())  return;
-}
-
-bool ZBarrierSetC2::optimize_loops(PhaseIdealLoop* phase, LoopOptsMode mode, VectorSet& visited, Node_Stack& nstack, Node_List& worklist) const {
-
-  if (mode == LoopOptsZBarrierInsertion) {
-    // First make sure all loads between call and catch are moved to the catch block
-    clean_catch_blocks(phase);
-    DEBUG_ONLY(clean_catch_blocks(phase, true /* verify */);)
-
-    // Then expand barriers on all loads
-    insert_load_barriers(phase);
-
-    // Handle all Unsafe that need barriers.
-    insert_barriers_on_unsafe(phase);
-
-    phase->C->clear_major_progress();
-    return true;
-  } else {
-    return false;
-  }
-}
-
-static bool can_simplify_cas(LoadStoreNode* node) {
-  if (node->isa_LoadStoreConditional()) {
-    Node *expected_in = node->as_LoadStoreConditional()->in(LoadStoreConditionalNode::ExpectedIn);
-    return (expected_in->get_ptr_type() == TypePtr::NULL_PTR);
-  } else {
-    return false;
-  }
-}
-
-static void insert_barrier_before_unsafe(PhaseIdealLoop* phase, LoadStoreNode* old_node) {
-
-  Compile *C = phase->C;
-  PhaseIterGVN &igvn = phase->igvn();
-  LoadStoreNode* zclone = NULL;
-
-  Node *in_ctrl = old_node->in(MemNode::Control);
-  Node *in_mem  = old_node->in(MemNode::Memory);
-  Node *in_adr  = old_node->in(MemNode::Address);
-  Node *in_val  = old_node->in(MemNode::ValueIn);
-  const TypePtr *adr_type = old_node->adr_type();
-  const TypePtr* load_type = TypeOopPtr::BOTTOM; // The type for the load we are adding
-
-  switch (old_node->Opcode()) {
-    case Op_CompareAndExchangeP: {
-      zclone = new ZCompareAndExchangePNode(in_ctrl, in_mem, in_adr, in_val, old_node->in(LoadStoreConditionalNode::ExpectedIn),
-              adr_type, old_node->get_ptr_type(), ((CompareAndExchangeNode*)old_node)->order());
-      load_type = old_node->bottom_type()->is_ptr();
-      break;
-    }
-    case Op_WeakCompareAndSwapP: {
-      if (can_simplify_cas(old_node)) {
-        break;
-      }
-      zclone = new ZWeakCompareAndSwapPNode(in_ctrl, in_mem, in_adr, in_val, old_node->in(LoadStoreConditionalNode::ExpectedIn),
-              ((CompareAndSwapNode*)old_node)->order());
-      adr_type = TypePtr::BOTTOM;
-      break;
-    }
-    case Op_CompareAndSwapP: {
-      if (can_simplify_cas(old_node)) {
-        break;
-      }
-      zclone = new ZCompareAndSwapPNode(in_ctrl, in_mem, in_adr, in_val, old_node->in(LoadStoreConditionalNode::ExpectedIn),
-              ((CompareAndSwapNode*)old_node)->order());
-      adr_type = TypePtr::BOTTOM;
-      break;
-    }
-    case Op_GetAndSetP: {
-      zclone = new ZGetAndSetPNode(in_ctrl, in_mem, in_adr, in_val, old_node->adr_type(), old_node->get_ptr_type());
-      load_type = old_node->bottom_type()->is_ptr();
-      break;
-    }
-  }
-  if (zclone != NULL) {
-    igvn.register_new_node_with_optimizer(zclone, old_node);
-
-    // Make load
-    LoadPNode *load = new LoadPNode(NULL, in_mem, in_adr, adr_type, load_type, MemNode::unordered,
-                                    LoadNode::DependsOnlyOnTest);
-    load_set_expanded_barrier(load);
-    igvn.register_new_node_with_optimizer(load);
-    igvn.replace_node(old_node, zclone);
-
-    Node *barrier = new LoadBarrierNode(C, NULL, in_mem, load, in_adr, false /* weak */);
-    Node *barrier_val = new ProjNode(barrier, LoadBarrierNode::Oop);
-    Node *barrier_ctrl = new ProjNode(barrier, LoadBarrierNode::Control);
-
-    igvn.register_new_node_with_optimizer(barrier);
-    igvn.register_new_node_with_optimizer(barrier_val);
-    igvn.register_new_node_with_optimizer(barrier_ctrl);
-
-    // loop over all of in_ctrl usages and move to barrier_ctrl
-    for (DUIterator_Last imin, i = in_ctrl->last_outs(imin); i >= imin; --i) {
-      Node *use = in_ctrl->last_out(i);
-      uint l;
-      for (l = 0; use->in(l) != in_ctrl; l++) {}
-      igvn.replace_input_of(use, l, barrier_ctrl);
-    }
-
-    load->set_req(MemNode::Control, in_ctrl);
-    barrier->set_req(LoadBarrierNode::Control, in_ctrl);
-    zclone->add_req(barrier_val); // add req as keep alive.
-
-    C->print_method(PHASE_ADD_UNSAFE_BARRIER, 4, zclone->_idx);
-  }
-}
-
-void ZBarrierSetC2::insert_barriers_on_unsafe(PhaseIdealLoop* phase) const {
-  Compile *C = phase->C;
-  PhaseIterGVN &igvn = phase->igvn();
-  uint new_ids = C->unique();
-  VectorSet visited(Thread::current()->resource_area());
-  GrowableArray<Node *> nodeStack(Thread::current()->resource_area(), 0, 0, NULL);
-  nodeStack.push(C->root());
-  visited.test_set(C->root()->_idx);
-
-  // Traverse all nodes, visit all unsafe ops that require a barrier
-  while (nodeStack.length() > 0) {
-    Node *n = nodeStack.pop();
-
-    bool is_old_node = (n->_idx < new_ids); // don't process nodes that were created during cleanup
-    if (is_old_node) {
-      if (n->is_LoadStore()) {
-        LoadStoreNode* lsn = n->as_LoadStore();
-        if (lsn->has_barrier()) {
-          BasicType bt = lsn->in(MemNode::Address)->bottom_type()->basic_type();
-          assert (is_reference_type(bt), "Sanity test");
-          insert_barrier_before_unsafe(phase, lsn);
-        }
-      }
-    }
-    for (uint i = 0; i < n->len(); i++) {
-      if (n->in(i)) {
-        if (!visited.test_set(n->in(i)->_idx)) {
-          nodeStack.push(n->in(i));
-        }
-      }
-    }
-  }
-
-  igvn.optimize();
-  C->print_method(PHASE_ADD_UNSAFE_BARRIER, 2);
-}
-
-// The purpose of ZBarrierSetC2::clean_catch_blocks is to prepare the IR for
-// splicing in load barrier nodes.
-//
-// The problem is that we might have instructions between a call and its catch nodes.
-// (This is usually handled in PhaseCFG:call_catch_cleanup, which clones mach nodes in
-// already scheduled blocks.) We can't have loads that require barriers there,
-// because we need to splice in new control flow, and that would violate the IR.
-//
-// clean_catch_blocks find all Loads that require a barrier and clone them and any
-// dependent instructions to each use. The loads must be in the beginning of the catch block
-// before any store.
-//
-// Sometimes the loads use will be at a place dominated by all catch blocks, then we need
-// a load in each catch block, and a Phi at the dominated use.
-
-void ZBarrierSetC2::clean_catch_blocks(PhaseIdealLoop* phase, bool verify) const {
-
-  Compile *C = phase->C;
-  uint new_ids = C->unique();
-  PhaseIterGVN &igvn = phase->igvn();
-  VectorSet visited(Thread::current()->resource_area());
-  GrowableArray<Node *> nodeStack(Thread::current()->resource_area(), 0, 0, NULL);
-  nodeStack.push(C->root());
-  visited.test_set(C->root()->_idx);
-
-  // Traverse all nodes, visit all loads that require a barrier
-  while(nodeStack.length() > 0) {
-    Node *n = nodeStack.pop();
-
-    for (uint i = 0; i < n->len(); i++) {
-      if (n->in(i)) {
-        if (!visited.test_set(n->in(i)->_idx)) {
-          nodeStack.push(n->in(i));
-        }
+      // If this node tracks liveness, update it
+      RegMask* const regs = barrier_set_state()->live(node);
+      if (regs != NULL) {
+        regs->OR(new_live);
       }
     }
 
-    bool is_old_node = (n->_idx < new_ids); // don't process nodes that were created during cleanup
-    if (n->is_Load() && is_old_node) {
-      LoadNode* load = n->isa_Load();
-      // only care about loads that will have a barrier
-      if (load_require_barrier(load)) {
-        process_catch_cleanup_candidate(phase, load, verify);
-      }
-    }
-  }
-
-  C->print_method(PHASE_CALL_CATCH_CLEANUP, 2);
-}
-
-class DomDepthCompareClosure : public CompareClosure<LoadNode*> {
-  PhaseIdealLoop* _phase;
-
-public:
-  DomDepthCompareClosure(PhaseIdealLoop* phase) : _phase(phase) { }
-
-  int do_compare(LoadNode* const &n1, LoadNode* const &n2) {
-    int d1 = _phase->dom_depth(_phase->get_ctrl(n1));
-    int d2 = _phase->dom_depth(_phase->get_ctrl(n2));
-    if (d1 == d2) {
-      // Compare index if the depth is the same, ensures all entries are unique.
-      return n1->_idx - n2->_idx;
-    } else {
-      return d2 - d1;
-    }
-  }
-};
-
-// Traverse graph and add all loadPs to list, sorted by dom depth
-void gather_loadnodes_sorted(PhaseIdealLoop* phase, GrowableArray<LoadNode*>* loadList) {
-
-  VectorSet visited(Thread::current()->resource_area());
-  GrowableArray<Node *> nodeStack(Thread::current()->resource_area(), 0, 0, NULL);
-  DomDepthCompareClosure ddcc(phase);
-
-  nodeStack.push(phase->C->root());
-  while(nodeStack.length() > 0) {
-    Node *n = nodeStack.pop();
-    if (visited.test(n->_idx)) {
-      continue;
-    }
-
-    if (n->isa_Load()) {
-      LoadNode *load = n->as_Load();
-      if (load_require_barrier(load)) {
-        assert(phase->get_ctrl(load) != NULL, "sanity");
-        assert(phase->dom_depth(phase->get_ctrl(load)) != 0, "sanity");
-        loadList->insert_sorted(&ddcc, load);
-      }
-    }
-
-    visited.set(n->_idx);
-    for (uint i = 0; i < n->req(); i++) {
-      if (n->in(i)) {
-        if (!visited.test(n->in(i)->_idx)) {
-          nodeStack.push(n->in(i));
-        }
+    // Now at block top, see if we have any changes
+    new_live.SUBTRACT(old_live);
+    if (new_live.is_NotEmpty()) {
+      // Liveness has refined, update and propagate to prior blocks
+      old_live.OR(new_live);
+      for (uint i = 1; i < block->num_preds(); ++i) {
+        Block* const pred = cfg->get_block_for_node(block->pred(i));
+        worklist.push(pred);
       }
     }
   }
 }
-
-// Add LoadBarriers to all LoadPs
-void ZBarrierSetC2::insert_load_barriers(PhaseIdealLoop* phase) const {
-
-  bool trace = phase->C->directive()->ZTraceLoadBarriersOption;
-  GrowableArray<LoadNode *> loadList(Thread::current()->resource_area(), 0, 0, NULL);
-  gather_loadnodes_sorted(phase, &loadList);
-
-  PhaseIterGVN &igvn = phase->igvn();
-  int count = 0;
-
-  for (GrowableArrayIterator<LoadNode *> loadIter = loadList.begin(); loadIter != loadList.end(); ++loadIter) {
-    LoadNode *load = *loadIter;
-
-    if (load_has_expanded_barrier(load)) {
-      continue;
-    }
-
-    do {
-      // Insert a barrier on a loadP
-      // if another load is found that needs to be expanded first, retry on that one
-      LoadNode* result = insert_one_loadbarrier(phase, load, phase->get_ctrl(load));
-      while (result != NULL) {
-        result = insert_one_loadbarrier(phase, result, phase->get_ctrl(result));
-      }
-    } while (!load_has_expanded_barrier(load));
-  }
-
-  phase->C->print_method(PHASE_INSERT_BARRIER, 2);
-}
-
-void push_antidependent_stores(PhaseIdealLoop* phase, Node_Stack& nodestack, LoadNode* start_load) {
-  // push all stores on the same mem, that can_alias
-  // Any load found must be handled first
-  PhaseIterGVN &igvn = phase->igvn();
-  int load_alias_idx = igvn.C->get_alias_index(start_load->adr_type());
-
-  Node *mem = start_load->in(1);
-  for (DUIterator_Fast imax, u = mem->fast_outs(imax); u < imax; u++) {
-    Node *mem_use = mem->fast_out(u);
-
-    if (mem_use == start_load) continue;
-    if (!mem_use->is_Store()) continue;
-    if (!phase->has_ctrl(mem_use)) continue;
-    if (phase->get_ctrl(mem_use) != phase->get_ctrl(start_load)) continue;
-
-    // add any aliasing store in this block
-    StoreNode *store = mem_use->isa_Store();
-    const TypePtr *adr_type = store->adr_type();
-    if (igvn.C->can_alias(adr_type, load_alias_idx)) {
-      nodestack.push(store, 0);
-    }
-  }
-}
-
-LoadNode* ZBarrierSetC2::insert_one_loadbarrier(PhaseIdealLoop* phase, LoadNode* start_load, Node* ctrl) const {
-  bool trace = phase->C->directive()->ZTraceLoadBarriersOption;
-  PhaseIterGVN &igvn = phase->igvn();
-
-  // Check for other loadPs at the same loop depth that is reachable by a DFS
-  // - if found - return it. It needs to be inserted first
-  // - otherwise proceed and insert barrier
-
-  VectorSet visited(Thread::current()->resource_area());
-  Node_Stack nodestack(100);
-
-  nodestack.push(start_load, 0);
-  push_antidependent_stores(phase, nodestack, start_load);
-
-  while(!nodestack.is_empty()) {
-    Node* n = nodestack.node(); // peek
-    nodestack.pop();
-    if (visited.test(n->_idx)) {
-      continue;
-    }
-
-    if (n->is_Load() && n != start_load && load_require_barrier(n->as_Load()) && !load_has_expanded_barrier(n->as_Load())) {
-      // Found another load that needs a barrier in the same block. Must expand later loads first.
-      if (trace) tty->print_cr(" * Found LoadP %i on DFS", n->_idx);
-      return n->as_Load(); // return node that should be expanded first
-    }
-
-    if (!phase->has_ctrl(n)) continue;
-    if (phase->get_ctrl(n) != phase->get_ctrl(start_load)) continue;
-    if (n->is_Phi()) continue;
-
-    visited.set(n->_idx);
-    // push all children
-    for (DUIterator_Fast imax, ii = n->fast_outs(imax); ii < imax; ii++) {
-      Node* c = n->fast_out(ii);
-      if (c != NULL) {
-        nodestack.push(c, 0);
-      }
-    }
-  }
-
-  insert_one_loadbarrier_inner(phase, start_load, ctrl, visited);
-  return NULL;
-}
-
-void ZBarrierSetC2::insert_one_loadbarrier_inner(PhaseIdealLoop* phase, LoadNode* load, Node* ctrl, VectorSet visited2) const {
-  PhaseIterGVN &igvn = phase->igvn();
-  Compile* C = igvn.C;
-  bool trace = C->directive()->ZTraceLoadBarriersOption;
-
-  // create barrier
-  Node* barrier = new LoadBarrierNode(C, NULL, load->in(LoadNode::Memory), NULL, load->in(LoadNode::Address), load_has_weak_barrier(load));
-  Node* barrier_val = new ProjNode(barrier, LoadBarrierNode::Oop);
-  Node* barrier_ctrl = new ProjNode(barrier, LoadBarrierNode::Control);
-  ctrl = normalize_ctrl(ctrl);
-
-  if (trace) tty->print_cr("Insert load %i with barrier: %i and ctrl : %i", load->_idx, barrier->_idx, ctrl->_idx);
-
-  // Splice control
-  // - insert barrier control diamond between loads ctrl and ctrl successor on path to block end.
-  // - If control successor is a catch, step over to next.
-  Node* ctrl_succ = NULL;
-  for (DUIterator_Fast imax, j = ctrl->fast_outs(imax); j < imax; j++) {
-    Node* tmp = ctrl->fast_out(j);
-
-    // - CFG nodes is the ones we are going to splice (1 only!)
-    // - Phi nodes will continue to hang from the region node!
-    // - self loops should be skipped
-    if (tmp->is_Phi() || tmp == ctrl) {
-      continue;
-    }
-
-    if (tmp->is_CFG()) {
-      assert(ctrl_succ == NULL, "There can be only one");
-      ctrl_succ = tmp;
-      continue;
-    }
-  }
-
-  // Now splice control
-  assert(ctrl_succ != load, "sanity");
-  assert(ctrl_succ != NULL, "Broken IR");
-  bool found = false;
-  for(uint k = 0; k < ctrl_succ->req(); k++) {
-    if (ctrl_succ->in(k) == ctrl) {
-      assert(!found, "sanity");
-      if (trace) tty->print_cr(" Move CFG ctrl_succ %i to barrier_ctrl", ctrl_succ->_idx);
-      igvn.replace_input_of(ctrl_succ, k, barrier_ctrl);
-      found = true;
-      k--;
-    }
-  }
-
-  // For all successors of ctrl - move all visited to become successors of barrier_ctrl instead
-  for (DUIterator_Fast imax, r = ctrl->fast_outs(imax); r < imax; r++) {
-    Node* tmp = ctrl->fast_out(r);
-    if (tmp->is_SafePoint() || (visited2.test(tmp->_idx) && (tmp != load))) {
-      if (trace) tty->print_cr(" Move ctrl_succ %i to barrier_ctrl", tmp->_idx);
-      igvn.replace_input_of(tmp, 0, barrier_ctrl);
-      --r; --imax;
-    }
-  }
-
-  // Move the loads user to the barrier
-  for (DUIterator_Fast imax, i = load->fast_outs(imax); i < imax; i++) {
-    Node* u = load->fast_out(i);
-    if (u->isa_LoadBarrier()) {
-      continue;
-    }
-
-    // find correct input  - replace with iterator?
-    for(uint j = 0; j < u->req(); j++) {
-      if (u->in(j) == load) {
-        igvn.replace_input_of(u, j, barrier_val);
-        --i; --imax; // Adjust the iterator of the *outer* loop
-        break; // some nodes (calls) might have several uses from the same node
-      }
-    }
-  }
-
-  // Connect barrier to load and control
-  barrier->set_req(LoadBarrierNode::Oop, load);
-  barrier->set_req(LoadBarrierNode::Control, ctrl);
-
-  igvn.replace_input_of(load, MemNode::Control, ctrl);
-  load->pin();
-
-  igvn.rehash_node_delayed(load);
-  igvn.register_new_node_with_optimizer(barrier);
-  igvn.register_new_node_with_optimizer(barrier_val);
-  igvn.register_new_node_with_optimizer(barrier_ctrl);
-  load_set_expanded_barrier(load);
-
-  C->print_method(PHASE_INSERT_BARRIER, 3, load->_idx);
-}
-
-// The bad_mask in the ThreadLocalData shouldn't have an anti-dep-check.
-// The bad_mask address if of type TypeRawPtr, but that will alias
-// InitializeNodes until the type system is expanded.
-bool ZBarrierSetC2::needs_anti_dependence_check(const Node* node) const {
-  MachNode* mnode = node->as_Mach();
-  if (mnode != NULL) {
-    intptr_t offset = 0;
-    const TypePtr *adr_type2 = NULL;
-    const Node* base = mnode->get_base_and_disp(offset, adr_type2);
-    if ((base != NULL) &&
-        (base->is_Mach() && base->as_Mach()->ideal_Opcode() == Op_ThreadLocal) &&
-        (offset == in_bytes(ZThreadLocalData::address_bad_mask_offset()))) {
-      return false;
-    }
-  }
-  return true;
-}
--- a/src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -29,134 +29,38 @@
 #include "opto/node.hpp"
 #include "utilities/growableArray.hpp"
 
-class ZCompareAndSwapPNode : public CompareAndSwapPNode {
-public:
-    ZCompareAndSwapPNode(Node* c, Node *mem, Node *adr, Node *val, Node *ex, MemNode::MemOrd mem_ord) : CompareAndSwapPNode(c, mem, adr, val, ex, mem_ord) { }
-    virtual int Opcode() const;
-};
-
-class ZWeakCompareAndSwapPNode : public WeakCompareAndSwapPNode {
-public:
-    ZWeakCompareAndSwapPNode(Node* c, Node *mem, Node *adr, Node *val, Node *ex, MemNode::MemOrd mem_ord) : WeakCompareAndSwapPNode(c, mem, adr, val, ex, mem_ord) { }
-    virtual int Opcode() const;
-};
+const uint8_t ZLoadBarrierStrong = 1;
+const uint8_t ZLoadBarrierWeak   = 2;
+const uint8_t ZLoadBarrierElided = 3;
 
-class ZCompareAndExchangePNode : public CompareAndExchangePNode {
-public:
-    ZCompareAndExchangePNode(Node* c, Node *mem, Node *adr, Node *val, Node *ex, const TypePtr* at, const Type* t, MemNode::MemOrd mem_ord) : CompareAndExchangePNode(c, mem, adr, val, ex, at, t, mem_ord) { }
-    virtual int Opcode() const;
-};
+class ZLoadBarrierStubC2 : public ResourceObj {
+private:
+  const MachNode* _node;
+  const Address   _ref_addr;
+  const Register  _ref;
+  const Register  _tmp;
+  const bool      _weak;
+  Label           _entry;
+  Label           _continuation;
 
-class ZGetAndSetPNode : public GetAndSetPNode {
-public:
-    ZGetAndSetPNode(Node* c, Node *mem, Node *adr, Node *val, const TypePtr* at, const Type* t) : GetAndSetPNode(c, mem, adr, val, at, t) { }
-    virtual int Opcode() const;
-};
-
-class LoadBarrierNode : public MultiNode {
-private:
-  bool _weak;               // On strong or weak oop reference
-  static bool is_dominator(PhaseIdealLoop* phase, bool linear_only, Node *d, Node *n);
-  void push_dominated_barriers(PhaseIterGVN* igvn) const;
+  ZLoadBarrierStubC2(const MachNode* node, Address ref_addr, Register ref, Register tmp, bool weak);
 
 public:
-  enum {
-    Control,
-    Memory,
-    Oop,
-    Address,
-    Number_of_Outputs = Address,
-    Similar,
-    Number_of_Inputs
-  };
-
-  LoadBarrierNode(Compile* C,
-                  Node* c,
-                  Node* mem,
-                  Node* val,
-                  Node* adr,
-                  bool weak);
-
-  virtual int Opcode() const;
-  virtual uint size_of() const;
-  virtual bool cmp(const Node& n) const;
-  virtual const Type *bottom_type() const;
-  virtual const TypePtr* adr_type() const;
-  virtual const Type *Value(PhaseGVN *phase) const;
-  virtual Node *Identity(PhaseGVN *phase);
-  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
-  virtual uint match_edge(uint idx) const;
-
-  LoadBarrierNode* has_dominating_barrier(PhaseIdealLoop* phase,
-                                          bool linear_only,
-                                          bool look_for_similar);
-
-  void fix_similar_in_uses(PhaseIterGVN* igvn);
-
-  bool has_true_uses() const;
-
-  bool can_be_eliminated() const {
-    return !in(Similar)->is_top();
-  }
-
-  bool is_weak() const {
-    return _weak;
-  }
-};
+  static ZLoadBarrierStubC2* create(const MachNode* node, Address ref_addr, Register ref, Register tmp, bool weak);
 
-class LoadBarrierSlowRegNode : public TypeNode {
-private:
-  bool _is_weak;
-public:
-  LoadBarrierSlowRegNode(Node *c,
-                         Node *adr,
-                         Node *src,
-                         const TypePtr* t,
-                         bool weak) :
-      TypeNode(t, 3), _is_weak(weak) {
-    init_req(1, adr);
-    init_req(2, src);
-    init_class_id(Class_LoadBarrierSlowReg);
-  }
-
-  virtual uint size_of() const {
-    return sizeof(*this);
-  }
-
-  virtual const char * name() {
-    return "LoadBarrierSlowRegNode";
-  }
-
-  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape) {
-    return NULL;
-  }
-
-  virtual int Opcode() const;
-
-  bool is_weak() { return _is_weak; }
-};
-
-class ZBarrierSetC2State : public ResourceObj {
-private:
-  // List of load barrier nodes which need to be expanded before matching
-  GrowableArray<LoadBarrierNode*>* _load_barrier_nodes;
-
-public:
-  ZBarrierSetC2State(Arena* comp_arena);
-  int load_barrier_count() const;
-  void add_load_barrier_node(LoadBarrierNode* n);
-  void remove_load_barrier_node(LoadBarrierNode* n);
-  LoadBarrierNode* load_barrier_node(int idx) const;
+  Address ref_addr() const;
+  Register ref() const;
+  Register tmp() const;
+  address slow_path() const;
+  RegMask& live() const;
+  Label* entry();
+  Label* continuation();
 };
 
 class ZBarrierSetC2 : public BarrierSetC2 {
 private:
-  ZBarrierSetC2State* state() const;
-  void expand_loadbarrier_node(PhaseMacroExpand* phase, LoadBarrierNode* barrier) const;
-
-#ifdef ASSERT
-  void verify_gc_barriers(bool post_parse) const;
-#endif
+  void compute_liveness_at_stubs() const;
+  void analyze_dominating_barriers() const;
 
 protected:
   virtual Node* load_at_resolved(C2Access& access, const Type* val_type) const;
@@ -174,43 +78,14 @@
 
 public:
   virtual void* create_barrier_state(Arena* comp_arena) const;
-
-  virtual bool has_load_barriers() const { return true; }
-  virtual bool is_gc_barrier_node(Node* node) const;
-  virtual Node* step_over_gc_barrier(Node* c) const;
-  virtual Node* step_over_gc_barrier_ctrl(Node* c) const;
-
-  virtual void register_potential_barrier_node(Node* node) const;
-  virtual void unregister_potential_barrier_node(Node* node) const;
-  virtual void eliminate_gc_barrier(PhaseMacroExpand* macro, Node* node) const { }
-  virtual void enqueue_useful_gc_barrier(PhaseIterGVN* igvn, Node* node) const;
-  virtual void eliminate_useless_gc_barriers(Unique_Node_List &useful, Compile* C) const;
-
-  virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type, bool is_clone, ArrayCopyPhase phase) const;
+  virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc,
+                                               BasicType type,
+                                               bool is_clone,
+                                               ArrayCopyPhase phase) const;
 
-  virtual bool expand_barriers(Compile* C, PhaseIterGVN& igvn) const;
-  virtual bool final_graph_reshaping(Compile* compile, Node* n, uint opcode) const;
-  virtual bool matcher_find_shared_visit(Matcher* matcher, Matcher::MStack& mstack, Node* n, uint opcode, bool& mem_op, int& mem_addr_idx) const;
-  virtual bool matcher_find_shared_post_visit(Matcher* matcher, Node* n, uint opcode) const;
-  virtual bool needs_anti_dependence_check(const Node* node) const;
-
-#ifdef ASSERT
-  virtual void verify_gc_barriers(Compile* compile, CompilePhase phase) const;
-#endif
-
-  // Load barrier insertion and expansion external
-  virtual void barrier_insertion_phase(Compile* C, PhaseIterGVN &igvn) const;
-  virtual bool optimize_loops(PhaseIdealLoop* phase, LoopOptsMode mode, VectorSet& visited, Node_Stack& nstack, Node_List& worklist) const;
-  virtual bool is_gc_specific_loop_opts_pass(LoopOptsMode mode) const { return (mode == LoopOptsZBarrierInsertion); }
-  virtual bool strip_mined_loops_expanded(LoopOptsMode mode) const { return mode == LoopOptsZBarrierInsertion; }
-
-private:
-  // Load barrier insertion and expansion internal
-  void insert_barriers_on_unsafe(PhaseIdealLoop* phase) const;
-  void clean_catch_blocks(PhaseIdealLoop* phase, bool verify = false) const;
-  void insert_load_barriers(PhaseIdealLoop* phase) const;
-  LoadNode* insert_one_loadbarrier(PhaseIdealLoop* phase, LoadNode* load, Node* ctrl) const;
-  void insert_one_loadbarrier_inner(PhaseIdealLoop* phase, LoadNode* load, Node* ctrl, VectorSet visited) const;
+  virtual void late_barrier_analysis() const;
+  virtual int estimate_stub_size() const;
+  virtual void emit_stubs(CodeBuffer& cb) const;
 };
 
 #endif // SHARE_GC_Z_C2_ZBARRIERSETC2_HPP
--- a/src/hotspot/share/gc/z/zBarrierSetAssembler.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/z/zBarrierSetAssembler.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,10 +24,7 @@
 #ifndef SHARE_GC_Z_ZBARRIERSETASSEMBLER_HPP
 #define SHARE_GC_Z_ZBARRIERSETASSEMBLER_HPP
 
-#include "asm/macroAssembler.hpp"
 #include "gc/shared/barrierSetAssembler.hpp"
-#include "oops/accessDecorators.hpp"
-#include "utilities/globalDefinitions.hpp"
 #include "utilities/macros.hpp"
 
 class ZBarrierSetAssemblerBase : public BarrierSetAssembler {
--- a/src/hotspot/share/gc/z/zLock.inline.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/z/zLock.inline.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -80,12 +80,16 @@
 template <typename T>
 inline ZLocker<T>::ZLocker(T* lock) :
     _lock(lock) {
-  _lock->lock();
+  if (_lock != NULL) {
+    _lock->lock();
+  }
 }
 
 template <typename T>
 inline ZLocker<T>::~ZLocker() {
-  _lock->unlock();
+  if (_lock != NULL) {
+    _lock->unlock();
+  }
 }
 
 #endif // SHARE_GC_Z_ZLOCK_INLINE_HPP
--- a/src/hotspot/share/gc/z/zNMethodTable.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/z/zNMethodTable.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -51,7 +51,7 @@
 size_t ZNMethodTable::_nregistered = 0;
 size_t ZNMethodTable::_nunregistered = 0;
 ZNMethodTableIteration ZNMethodTable::_iteration;
-ZSafeDelete<ZNMethodTableEntry[]> ZNMethodTable::_safe_delete;
+ZSafeDeleteNoLock<ZNMethodTableEntry[]> ZNMethodTable::_safe_delete;
 
 size_t ZNMethodTable::first_index(const nmethod* nm, size_t size) {
   assert(is_power_of_2(size), "Invalid size");
--- a/src/hotspot/share/gc/z/zNMethodTable.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/z/zNMethodTable.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -35,12 +35,12 @@
 
 class ZNMethodTable : public AllStatic {
 private:
-  static ZNMethodTableEntry*               _table;
-  static size_t                            _size;
-  static size_t                            _nregistered;
-  static size_t                            _nunregistered;
-  static ZNMethodTableIteration            _iteration;
-  static ZSafeDelete<ZNMethodTableEntry[]> _safe_delete;
+  static ZNMethodTableEntry*                     _table;
+  static size_t                                  _size;
+  static size_t                                  _nregistered;
+  static size_t                                  _nunregistered;
+  static ZNMethodTableIteration                  _iteration;
+  static ZSafeDeleteNoLock<ZNMethodTableEntry[]> _safe_delete;
 
   static ZNMethodTableEntry* create(size_t size);
   static void destroy(ZNMethodTableEntry* table);
--- a/src/hotspot/share/gc/z/zSafeDelete.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/z/zSafeDelete.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -29,11 +29,11 @@
 #include "metaprogramming/removeExtent.hpp"
 
 template <typename T>
-class ZSafeDelete {
+class ZSafeDeleteImpl {
 private:
   typedef typename RemoveExtent<T>::type ItemT;
 
-  ZLock          _lock;
+  ZLock*         _lock;
   uint64_t       _enabled;
   ZArray<ItemT*> _deferred;
 
@@ -41,7 +41,7 @@
   void immediate_delete(ItemT* item);
 
 public:
-  ZSafeDelete();
+  ZSafeDeleteImpl(ZLock* lock);
 
   void enable_deferred_delete();
   void disable_deferred_delete();
@@ -49,4 +49,19 @@
   void operator()(ItemT* item);
 };
 
+template <typename T>
+class ZSafeDelete : public ZSafeDeleteImpl<T> {
+private:
+  ZLock _lock;
+
+public:
+  ZSafeDelete();
+};
+
+template <typename T>
+class ZSafeDeleteNoLock : public ZSafeDeleteImpl<T> {
+public:
+  ZSafeDeleteNoLock();
+};
+
 #endif // SHARE_GC_Z_ZSAFEDELETE_HPP
--- a/src/hotspot/share/gc/z/zSafeDelete.inline.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/z/zSafeDelete.inline.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -30,14 +30,14 @@
 #include "utilities/debug.hpp"
 
 template <typename T>
-ZSafeDelete<T>::ZSafeDelete() :
-    _lock(),
+ZSafeDeleteImpl<T>::ZSafeDeleteImpl(ZLock* lock) :
+    _lock(lock),
     _enabled(0),
     _deferred() {}
 
 template <typename T>
-bool ZSafeDelete<T>::deferred_delete(ItemT* item) {
-  ZLocker<ZLock> locker(&_lock);
+bool ZSafeDeleteImpl<T>::deferred_delete(ItemT* item) {
+  ZLocker<ZLock> locker(_lock);
   if (_enabled > 0) {
     _deferred.add(item);
     return true;
@@ -47,7 +47,7 @@
 }
 
 template <typename T>
-void ZSafeDelete<T>::immediate_delete(ItemT* item) {
+void ZSafeDeleteImpl<T>::immediate_delete(ItemT* item) {
   if (IsArray<T>::value) {
     delete [] item;
   } else {
@@ -56,17 +56,17 @@
 }
 
 template <typename T>
-void ZSafeDelete<T>::enable_deferred_delete() {
-  ZLocker<ZLock> locker(&_lock);
+void ZSafeDeleteImpl<T>::enable_deferred_delete() {
+  ZLocker<ZLock> locker(_lock);
   _enabled++;
 }
 
 template <typename T>
-void ZSafeDelete<T>::disable_deferred_delete() {
+void ZSafeDeleteImpl<T>::disable_deferred_delete() {
   ZArray<ItemT*> deferred;
 
   {
-    ZLocker<ZLock> locker(&_lock);
+    ZLocker<ZLock> locker(_lock);
     assert(_enabled > 0, "Invalid state");
     if (--_enabled == 0) {
       deferred.transfer(&_deferred);
@@ -80,10 +80,19 @@
 }
 
 template <typename T>
-void ZSafeDelete<T>::operator()(ItemT* item) {
+void ZSafeDeleteImpl<T>::operator()(ItemT* item) {
   if (!deferred_delete(item)) {
     immediate_delete(item);
   }
 }
 
+template <typename T>
+ZSafeDelete<T>::ZSafeDelete() :
+    ZSafeDeleteImpl<T>(&_lock),
+    _lock() {}
+
+template <typename T>
+ZSafeDeleteNoLock<T>::ZSafeDeleteNoLock() :
+    ZSafeDeleteImpl<T>(NULL) {}
+
 #endif // SHARE_GC_Z_ZSAFEDELETE_INLINE_HPP
--- a/src/hotspot/share/gc/z/z_globals.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/gc/z/z_globals.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -86,9 +86,6 @@
           "Verify marking stacks")                                          \
                                                                             \
   diagnostic(bool, ZVerifyForwarding, false,                                \
-          "Verify forwarding tables")                                       \
-                                                                            \
-  develop(bool, ZVerifyLoadBarriers, false,                                 \
-          "Verify that reference loads are followed by barriers")
+          "Verify forwarding tables")
 
 #endif // SHARE_GC_Z_Z_GLOBALS_HPP
--- a/src/hotspot/share/include/jvm.h	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/include/jvm.h	Wed Oct 16 15:31:05 2019 +0200
@@ -1044,19 +1044,6 @@
 #include "classfile_constants.h"
 
 /*
- * A function defined by the byte-code verifier and called by the VM.
- * This is not a function implemented in the VM.
- *
- * Returns JNI_FALSE if verification fails. A detailed error message
- * will be places in msg_buf, whose length is specified by buf_len.
- */
-typedef jboolean (*verifier_fn_t)(JNIEnv *env,
-                                  jclass cb,
-                                  char * msg_buf,
-                                  jint buf_len);
-
-
-/*
  * Support for a VM-independent class format checker.
  */
 typedef struct {
@@ -1086,28 +1073,6 @@
 
 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
 
-typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
-
-/* This is the function defined in libjava.so that performs class
- * format checks. This functions fills in size information about
- * the class file and returns:
- *
- *   0: good
- *  -1: out of memory
- *  -2: bad format
- *  -3: unsupported version
- *  -4: bad class name
- */
-
-typedef jint (*check_format_fn_t)(char *class_name,
-                                  unsigned char *data,
-                                  unsigned int data_size,
-                                  class_size_info *class_size,
-                                  char *message_buffer,
-                                  jint buffer_length,
-                                  jboolean measure_only,
-                                  jboolean check_relaxed);
-
 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
                                         JVM_ACC_FINAL | \
                                         JVM_ACC_SUPER | \
--- a/src/hotspot/share/interpreter/interpreterRuntime.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/interpreter/interpreterRuntime.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -28,6 +28,7 @@
 #include "classfile/systemDictionary.hpp"
 #include "classfile/vmSymbols.hpp"
 #include "code/codeCache.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "compiler/compileBroker.hpp"
 #include "compiler/disassembler.hpp"
 #include "gc/shared/barrierSetNMethod.hpp"
@@ -52,7 +53,6 @@
 #include "prims/nativeLookup.hpp"
 #include "runtime/atomic.hpp"
 #include "runtime/biasedLocking.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/fieldDescriptor.inline.hpp"
 #include "runtime/frame.inline.hpp"
--- a/src/hotspot/share/interpreter/linkResolver.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/interpreter/linkResolver.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -30,6 +30,7 @@
 #include "classfile/symbolTable.hpp"
 #include "classfile/systemDictionary.hpp"
 #include "classfile/vmSymbols.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "compiler/compileBroker.hpp"
 #include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/bootstrapInfo.hpp"
@@ -48,7 +49,6 @@
 #include "oops/oop.inline.hpp"
 #include "prims/methodHandles.hpp"
 #include "prims/nativeLookup.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/fieldDescriptor.inline.hpp"
 #include "runtime/frame.inline.hpp"
 #include "runtime/handles.inline.hpp"
--- a/src/hotspot/share/jfr/recorder/repository/jfrEmergencyDump.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/jfr/recorder/repository/jfrEmergencyDump.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -393,6 +393,10 @@
     Service_lock->unlock();
   }
 
+  if (UseNotificationThread && Notification_lock->owned_by_self()) {
+    Notification_lock->unlock();
+  }
+
   if (CodeCache_lock->owned_by_self()) {
     CodeCache_lock->unlock();
   }
--- a/src/hotspot/share/jvmci/compilerRuntime.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/jvmci/compilerRuntime.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -25,11 +25,11 @@
 #include "aot/aotLoader.hpp"
 #include "classfile/stringTable.hpp"
 #include "classfile/symbolTable.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "interpreter/linkResolver.hpp"
 #include "jvmci/compilerRuntime.hpp"
 #include "oops/cpCache.inline.hpp"
 #include "oops/oop.inline.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/frame.inline.hpp"
 #include "runtime/handles.inline.hpp"
--- a/src/hotspot/share/jvmci/jvmciCodeInstaller.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/jvmci/jvmciCodeInstaller.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -642,11 +642,9 @@
                                         failed_speculations, speculations, speculations_len);
     cb = nm->as_codeblob_or_null();
     if (nm != NULL && compile_state == NULL) {
+      // This compile didn't come through the CompileBroker so perform the printing here
       DirectiveSet* directive = DirectivesStack::getMatchingDirective(method, compiler);
-      bool printnmethods = directive->PrintAssemblyOption || directive->PrintNMethodsOption;
-      if (!printnmethods && (PrintDebugInfo || PrintRelocations || PrintDependencies || PrintExceptionHandlers)) {
-        nm->print_nmethod(printnmethods);
-      }
+      nm->maybe_print_nmethod(directive);
       DirectivesStack::release(directive);
     }
   }
--- a/src/hotspot/share/jvmci/jvmciCompilerToVMInit.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/jvmci/jvmciCompilerToVMInit.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -31,6 +31,7 @@
 #include "jvmci/vmStructs_jvmci.hpp"
 #include "memory/universe.hpp"
 #include "oops/compressedOops.hpp"
+#include "oops/klass.inline.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "utilities/resourceHash.hpp"
 
--- a/src/hotspot/share/memory/metaspace/virtualSpaceNode.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/memory/metaspace/virtualSpaceNode.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -46,7 +46,7 @@
 class CommitLimiter;
 class MetachunkListCluster;
 
-// VirtualSpaceNode manage a single address range of the Metaspace.
+// VirtualSpaceNode manages a single address range of the Metaspace.
 //
 // That address range may contain interleaved committed and uncommitted
 // regions. It keeps track of which regions have committed and offers
--- a/src/hotspot/share/oops/instanceKlass.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/oops/instanceKlass.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -992,7 +992,6 @@
   void process_interfaces(Thread *thread);
 
   // virtual operations from Klass
-  bool is_leaf_class() const               { return _subklass == NULL; }
   GrowableArray<Klass*>* compute_secondary_supers(int num_extra_slots,
                                                   Array<InstanceKlass*>* transitive_interfaces);
   bool can_be_primary_super_slow() const;
--- a/src/hotspot/share/oops/klass.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/oops/klass.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -57,10 +57,6 @@
   _java_mirror = class_loader_data()->add_handle(m);
 }
 
-oop Klass::java_mirror() const {
-  return _java_mirror.resolve();
-}
-
 oop Klass::java_mirror_no_keepalive() const {
   return _java_mirror.peek();
 }
@@ -681,8 +677,6 @@
   }
 }
 
-oop Klass::class_loader() const { return class_loader_data()->class_loader(); }
-
 // In product mode, this function doesn't have virtual function calls so
 // there might be some performance advantage to handling InstanceKlass here.
 const char* Klass::external_name() const {
@@ -826,14 +820,6 @@
   return ClassLoaderDataGraph::is_valid(k->class_loader_data());
 }
 
-klassVtable Klass::vtable() const {
-  return klassVtable(const_cast<Klass*>(this), start_of_vtable(), vtable_length() / vtableEntry::size());
-}
-
-vtableEntry* Klass::start_of_vtable() const {
-  return (vtableEntry*) ((address)this + in_bytes(vtable_start_offset()));
-}
-
 Method* Klass::method_at_vtable(int index)  {
 #ifndef PRODUCT
   assert(index >= 0, "valid vtable index");
@@ -844,9 +830,6 @@
   return start_of_vtable()[index].method();
 }
 
-ByteSize Klass::vtable_start_offset() {
-  return in_ByteSize(InstanceKlass::header_size() * wordSize);
-}
 
 #ifndef PRODUCT
 
--- a/src/hotspot/share/oops/klass.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/oops/klass.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -469,8 +469,6 @@
   virtual bool should_be_initialized() const    { return false; }
   // initializes the klass
   virtual void initialize(TRAPS);
-  // lookup operation for MethodLookupCache
-  friend class MethodLookupCache;
   virtual Klass* find_field(Symbol* name, Symbol* signature, fieldDescriptor* fd) const;
   virtual Method* uncached_lookup_method(const Symbol* name, const Symbol* signature,
                                          OverpassLookupMode overpass_mode,
@@ -537,9 +535,6 @@
   }
 
  public:
-  // subclass accessor (here for convenience; undefined for non-klass objects)
-  virtual bool is_leaf_class() const { fatal("not a class"); return false; }
- public:
   // ALL FUNCTIONS BELOW THIS POINT ARE DISPATCHED FROM AN OOP
   // These functions describe behavior for the oop not the KLASS.
 
--- a/src/hotspot/share/oops/klass.inline.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/oops/klass.inline.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -25,13 +25,35 @@
 #ifndef SHARE_OOPS_KLASS_INLINE_HPP
 #define SHARE_OOPS_KLASS_INLINE_HPP
 
+#include "classfile/classLoaderData.inline.hpp"
 #include "oops/compressedOops.hpp"
 #include "oops/klass.hpp"
 #include "oops/markWord.hpp"
+#include "oops/oopHandle.inline.hpp"
 
 inline void Klass::set_prototype_header(markWord header) {
   assert(!header.has_bias_pattern() || is_instance_klass(), "biased locking currently only supported for Java instances");
   _prototype_header = header;
 }
 
+inline oop Klass::java_mirror() const {
+  return _java_mirror.resolve();
+}
+
+inline klassVtable Klass::vtable() const {
+  return klassVtable(const_cast<Klass*>(this), start_of_vtable(), vtable_length() / vtableEntry::size());
+}
+
+inline oop Klass::class_loader() const {
+  return class_loader_data()->class_loader();
+}
+
+inline vtableEntry* Klass::start_of_vtable() const {
+  return (vtableEntry*) ((address)this + in_bytes(vtable_start_offset()));
+}
+
+inline ByteSize Klass::vtable_start_offset() {
+  return in_ByteSize(InstanceKlass::header_size() * wordSize);
+}
+
 #endif // SHARE_OOPS_KLASS_INLINE_HPP
--- a/src/hotspot/share/oops/klassVtable.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/oops/klassVtable.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -128,11 +128,6 @@
   *vtable_length_ret = vtable_length;
 }
 
-int klassVtable::index_of(Method* m, int len) const {
-  assert(m->has_vtable_index(), "do not ask this of non-vtable methods");
-  return m->vtable_index();
-}
-
 // Copy super class's vtable to the first part (prefix) of this class's vtable,
 // and return the number of entries copied.  Expects that 'super' is the Java
 // super class (arrays can have "array" super classes that must be skipped).
@@ -169,7 +164,6 @@
 
   // Note:  Arrays can have intermediate array supers.  Use java_super to skip them.
   InstanceKlass* super = _klass->java_super();
-  int nofNewEntries = 0;
 
   bool is_shared = _klass->is_shared();
 
@@ -1029,15 +1023,6 @@
 }
 #endif // INCLUDE_JVMTI
 
-// CDS/RedefineClasses support - clear vtables so they can be reinitialized
-void klassVtable::clear_vtable() {
-  for (int i = 0; i < _length; i++) table()[i].clear();
-}
-
-bool klassVtable::is_initialized() {
-  return _length == 0 || table()[0].method() != NULL;
-}
-
 //-----------------------------------------------------------------------------------------
 // Itable code
 
@@ -1468,31 +1453,6 @@
 #endif
 }
 
-
-// inverse to itable_index
-Method* klassItable::method_for_itable_index(InstanceKlass* intf, int itable_index) {
-  assert(intf->is_interface(), "sanity check");
-  assert(intf->verify_itable_index(itable_index), "");
-  Array<Method*>* methods = InstanceKlass::cast(intf)->methods();
-
-  if (itable_index < 0 || itable_index >= method_count_for_interface(intf))
-    return NULL;                // help caller defend against bad indices
-
-  int index = itable_index;
-  Method* m = methods->at(index);
-  int index2 = -1;
-  while (!m->has_itable_index() ||
-         (index2 = m->itable_index()) != itable_index) {
-    assert(index2 < itable_index, "monotonic");
-    if (++index == methods->length())
-      return NULL;
-    m = methods->at(index);
-  }
-  assert(m->itable_index() == itable_index, "correct inverse");
-
-  return m;
-}
-
 void klassVtable::verify(outputStream* st, bool forced) {
   // make sure table is initialized
   if (!Universe::is_fully_initialized()) return;
@@ -1541,7 +1501,6 @@
 #endif
 
 void vtableEntry::verify(klassVtable* vt, outputStream* st) {
-  NOT_PRODUCT(FlagSetting fs(IgnoreLockingAssertions, true));
   Klass* vtklass = vt->klass();
   if (vtklass->is_instance_klass() &&
      (InstanceKlass::cast(vtklass)->major_version() >= klassVtable::VTABLE_TRANSITIVE_OVERRIDE_VERSION)) {
--- a/src/hotspot/share/oops/klassVtable.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/oops/klassVtable.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -48,13 +48,6 @@
   int          _verify_count;     // to make verify faster
 #endif
 
-  // Ordering important, so greater_than (>) can be used as an merge operator.
-  enum AccessType {
-    acc_private         = 0,
-    acc_package_private = 1,
-    acc_publicprotected = 2
-  };
-
  public:
   klassVtable(Klass* klass, void* base, int length) : _klass(klass) {
     _tableOffset = (address)base - (address)klass; _length = length;
@@ -66,22 +59,12 @@
   int length() const              { return _length; }
   inline Method* method_at(int i) const;
   inline Method* unchecked_method_at(int i) const;
-  inline Method** adr_method_at(int i) const;
 
   // searching; all methods return -1 if not found
-  int index_of(Method* m) const                         { return index_of(m, _length); }
   int index_of_miranda(Symbol* name, Symbol* signature);
 
   void initialize_vtable(bool checkconstraints, TRAPS);   // initialize vtable of a new klass
 
-  // CDS/RedefineClasses support - clear vtables so they can be reinitialized
-  // at dump time.  Clearing gives us an easy way to tell if the vtable has
-  // already been reinitialized at dump time (see dump.cpp).  Vtables can
-  // be initialized at run time by RedefineClasses so dumping the right order
-  // is necessary.
-  void clear_vtable();
-  bool is_initialized();
-
   // computes vtable length (in words) and the number of miranda methods
   static void compute_vtable_size_and_num_mirandas(int* vtable_length,
                                                    int* num_new_mirandas,
@@ -125,7 +108,6 @@
  private:
   void copy_vtable_to(vtableEntry* start);
   int  initialize_from_super(Klass* super);
-  int  index_of(Method* m, int len) const; // same as index_of, but search only up to len
   void put_method_at(Method* m, int index);
   static bool needs_new_vtable_entry(const methodHandle& m,
                                      const Klass* super,
@@ -223,12 +205,6 @@
   return table()[i].method();
 }
 
-inline Method** klassVtable::adr_method_at(int i) const {
-  // Allow one past the last entry to be referenced; useful for loop bounds.
-  assert(i >= 0 && i <= _length, "index out of bounds");
-  return (Method**)(address(table() + i) + vtableEntry::method_offset_in_bytes());
-}
-
 // --------------------------------------------------------------------------------
 class klassItable;
 class itableMethodEntry;
@@ -333,9 +309,6 @@
   static int compute_itable_size(Array<InstanceKlass*>* transitive_interfaces);
   static void setup_itable_offset_table(InstanceKlass* klass);
 
-  // Resolving of method to index
-  static Method* method_for_itable_index(InstanceKlass* klass, int itable_index);
-
   // Debugging/Statistics
   static void print_statistics() PRODUCT_RETURN;
  private:
--- a/src/hotspot/share/oops/method.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/oops/method.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -28,6 +28,7 @@
 #include "classfile/systemDictionary.hpp"
 #include "code/codeCache.hpp"
 #include "code/debugInfoRec.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "gc/shared/collectedHeap.inline.hpp"
 #include "interpreter/bytecodeStream.hpp"
 #include "interpreter/bytecodeTracer.hpp"
@@ -54,7 +55,6 @@
 #include "prims/methodHandles.hpp"
 #include "prims/nativeLookup.hpp"
 #include "runtime/arguments.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/frame.inline.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/init.hpp"
--- a/src/hotspot/share/oops/methodData.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/oops/methodData.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -24,6 +24,7 @@
 
 #include "precompiled.hpp"
 #include "classfile/systemDictionary.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "compiler/compilerOracle.hpp"
 #include "interpreter/bytecode.hpp"
 #include "interpreter/bytecodeStream.hpp"
@@ -34,7 +35,6 @@
 #include "oops/methodData.inline.hpp"
 #include "prims/jvmtiRedefineClasses.hpp"
 #include "runtime/arguments.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/orderAccess.hpp"
--- a/src/hotspot/share/opto/buildOopMap.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/buildOopMap.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -352,7 +352,6 @@
 
     } else {
       // Other - some reaching non-oop value
-      omap->set_value( r);
 #ifdef ASSERT
       if( t->isa_rawptr() && C->cfg()->_raw_oops.member(def) ) {
         def->dump();
@@ -377,11 +376,18 @@
 #endif
 
 #ifdef ASSERT
-  for( OopMapStream oms1(omap, OopMapValue::derived_oop_value); !oms1.is_done(); oms1.next()) {
+  for( OopMapStream oms1(omap); !oms1.is_done(); oms1.next()) {
     OopMapValue omv1 = oms1.current();
+    if (omv1.type() != OopMapValue::derived_oop_value) {
+      continue;
+    }
     bool found = false;
-    for( OopMapStream oms2(omap,OopMapValue::oop_value); !oms2.is_done(); oms2.next()) {
-      if( omv1.content_reg() == oms2.current().reg() ) {
+    for( OopMapStream oms2(omap); !oms2.is_done(); oms2.next()) {
+      OopMapValue omv2 = oms2.current();
+      if (omv2.type() != OopMapValue::oop_value) {
+        continue;
+      }
+      if( omv1.content_reg() == omv2.reg() ) {
         found = true;
         break;
       }
--- a/src/hotspot/share/opto/c2compiler.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/c2compiler.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -102,7 +102,8 @@
   assert(is_initialized(), "Compiler thread must be initialized");
 
   bool subsume_loads = SubsumeLoads;
-  bool do_escape_analysis = DoEscapeAnalysis && !env->should_retain_local_variables();
+  bool do_escape_analysis = DoEscapeAnalysis && !env->should_retain_local_variables()
+                                             && !env->jvmti_can_get_owned_monitor_info();
   bool eliminate_boxing = EliminateAutoBox;
 
   while (!env->failing()) {
--- a/src/hotspot/share/opto/classes.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/classes.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -48,9 +48,6 @@
 #include "opto/subnode.hpp"
 #include "opto/vectornode.hpp"
 #include "utilities/macros.hpp"
-#if INCLUDE_ZGC
-#include "gc/z/c2/zBarrierSetC2.hpp"
-#endif
 #if INCLUDE_SHENANDOAHGC
 #include "gc/shenandoah/c2/shenandoahBarrierSetC2.hpp"
 #endif
--- a/src/hotspot/share/opto/classes.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/classes.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -193,17 +193,6 @@
 macro(LoadN)
 macro(LoadRange)
 macro(LoadS)
-#if INCLUDE_ZGC
-#define zgcmacro(x) macro(x)
-#else
-#define zgcmacro(x) optionalmacro(x)
-#endif
-zgcmacro(LoadBarrier)
-zgcmacro(LoadBarrierSlowReg)
-zgcmacro(ZCompareAndSwapP)
-zgcmacro(ZWeakCompareAndSwapP)
-zgcmacro(ZCompareAndExchangeP)
-zgcmacro(ZGetAndSetP)
 macro(Lock)
 macro(Loop)
 macro(LoopLimit)
--- a/src/hotspot/share/opto/compile.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/compile.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -76,9 +76,6 @@
 #include "utilities/align.hpp"
 #include "utilities/copy.hpp"
 #include "utilities/macros.hpp"
-#if INCLUDE_ZGC
-#include "gc/z/c2/zBarrierSetC2.hpp"
-#endif
 
 
 // -------------------- Compile::mach_constant_base_node -----------------------
@@ -990,6 +987,7 @@
     _has_method_handle_invokes(false),
     _clinit_barrier_on_entry(false),
     _comp_arena(mtCompiler),
+    _barrier_set_state(BarrierSet::barrier_set()->barrier_set_c2()->create_barrier_state(comp_arena())),
     _env(ci_env),
     _directive(directive),
     _log(ci_env->log()),
@@ -2412,13 +2410,6 @@
     print_method(PHASE_MACRO_EXPANSION, 2);
   }
 
-#ifdef ASSERT
-  bs->verify_gc_barriers(this, BarrierSetC2::BeforeLateInsertion);
-#endif
-
-  bs->barrier_insertion_phase(C, igvn);
-  if (failing())  return;
-
   {
     TracePhase tp("barrierExpand", &timers[_t_barrierExpand]);
     if (bs->expand_barriers(this, igvn)) {
--- a/src/hotspot/share/opto/compile.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/compile.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -55,7 +55,6 @@
 class IdealGraphPrinter;
 class InlineTree;
 class Int_Array;
-class LoadBarrierNode;
 class Matcher;
 class MachConstantNode;
 class MachConstantBaseNode;
@@ -96,7 +95,6 @@
   LoopOptsNone,
   LoopOptsShenandoahExpand,
   LoopOptsShenandoahPostExpand,
-  LoopOptsZBarrierInsertion,
   LoopOptsSkipSplitIf,
   LoopOptsVerify
 };
@@ -1186,11 +1184,7 @@
   bool           in_scratch_emit_size() const   { return _in_scratch_emit_size;     }
 
   enum ScratchBufferBlob {
-#if defined(PPC64)
     MAX_inst_size       = 2048,
-#else
-    MAX_inst_size       = 1024,
-#endif
     MAX_locs_size       = 128, // number of relocInfo elements
     MAX_const_size      = 128,
     MAX_stubs_size      = 128
@@ -1265,14 +1259,30 @@
   // Process an OopMap Element while emitting nodes
   void Process_OopMap_Node(MachNode *mach, int code_offset);
 
+  class BufferSizingData {
+  public:
+    int _stub;
+    int _code;
+    int _const;
+    int _reloc;
+
+      BufferSizingData() :
+      _stub(0),
+      _code(0),
+      _const(0),
+      _reloc(0)
+      { };
+  };
+
   // Initialize code buffer
-  CodeBuffer* init_buffer(uint* blk_starts);
+  void        estimate_buffer_size(int& const_req);
+  CodeBuffer* init_buffer(BufferSizingData& buf_sizes);
 
   // Write out basic block data to code buffer
   void fill_buffer(CodeBuffer* cb, uint* blk_starts);
 
   // Determine which variable sized branches can be shortened
-  void shorten_branches(uint* blk_starts, int& code_size, int& reloc_size, int& stub_size);
+  void shorten_branches(uint* blk_starts, BufferSizingData& buf_sizes);
 
   // Compute the size of first NumberOfLoopInstrToAlign instructions
   // at the head of a loop.
--- a/src/hotspot/share/opto/library_call.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/library_call.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 #include "gc/shared/barrierSet.hpp"
 #include "jfr/support/jfrIntrinsics.hpp"
 #include "memory/resourceArea.hpp"
+#include "oops/klass.inline.hpp"
 #include "oops/objArrayKlass.hpp"
 #include "opto/addnode.hpp"
 #include "opto/arraycopynode.hpp"
--- a/src/hotspot/share/opto/loopTransform.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/loopTransform.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -3129,6 +3129,13 @@
     // We also need to replace the original limit to collapse loop exit.
     Node* cmp = cl->loopexit()->cmp_node();
     assert(cl->limit() == cmp->in(2), "sanity");
+    // Duplicate cmp node if it has other users
+    if (cmp->outcnt() > 1) {
+      cmp = cmp->clone();
+      cmp = phase->_igvn.register_new_node_with_optimizer(cmp);
+      BoolNode *bol = cl->loopexit()->in(CountedLoopEndNode::TestValue)->as_Bool();
+      phase->_igvn.replace_input_of(bol, 1, cmp); // put bol on worklist
+    }
     phase->_igvn._worklist.push(cmp->in(2)); // put limit on worklist
     phase->_igvn.replace_input_of(cmp, 2, exact_limit); // put cmp on worklist
   }
--- a/src/hotspot/share/opto/loopnode.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/loopnode.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -993,18 +993,6 @@
       }
     }
 
-    if (UseZGC && !inner_out->in(0)->is_CountedLoopEnd()) {
-      // In some very special cases there can be a load that has no other uses than the
-      // counted loop safepoint. Then its loadbarrier will be placed between the inner
-      // loop exit and the safepoint. This is very rare
-
-      Node* ifnode = inner_out->in(1)->in(0);
-      // Region->IfTrue->If == Region->Iffalse->If
-      if (ifnode == inner_out->in(2)->in(0)) {
-        inner_out = ifnode->in(0);
-      }
-    }
-
     CountedLoopEndNode* cle = inner_out->in(0)->as_CountedLoopEnd();
     assert(cle == inner->loopexit_or_null(), "mismatch");
     bool has_skeleton = outer_le->in(1)->bottom_type()->singleton() && outer_le->in(1)->bottom_type()->is_int()->get_con() == 0;
--- a/src/hotspot/share/opto/loopopts.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/loopopts.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -41,9 +41,6 @@
 #include "opto/rootnode.hpp"
 #include "opto/subnode.hpp"
 #include "utilities/macros.hpp"
-#if INCLUDE_ZGC
-#include "gc/z/c2/zBarrierSetC2.hpp"
-#endif
 
 //=============================================================================
 //------------------------------split_thru_phi---------------------------------
--- a/src/hotspot/share/opto/machnode.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/machnode.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -197,7 +197,7 @@
 // ADLC inherit from this class.
 class MachNode : public Node {
 public:
-  MachNode() : Node((uint)0), _num_opnds(0), _opnds(NULL) {
+  MachNode() : Node((uint)0), _barrier(0), _num_opnds(0), _opnds(NULL) {
     init_class_id(Class_Mach);
   }
   // Required boilerplate
@@ -211,6 +211,9 @@
   // no constant base node input.
   virtual uint mach_constant_base_node_input() const { return (uint)-1; }
 
+  uint8_t barrier_data() const { return _barrier; }
+  void set_barrier_data(uint data) { _barrier = data; }
+
   // Copy inputs and operands to new node of instruction.
   // Called from cisc_version() and short_branch_version().
   // !!!! The method's body is defined in ad_<arch>.cpp file.
@@ -255,6 +258,9 @@
   // output have choices - but they must use the same choice.
   virtual uint two_adr( ) const { return 0; }
 
+  // The GC might require some barrier metadata for machine code emission.
+  uint8_t _barrier;
+
   // Array of complex operand pointers.  Each corresponds to zero or
   // more leafs.  Must be set by MachNode constructor to point to an
   // internal array of MachOpers.  The MachOper array is sized by
--- a/src/hotspot/share/opto/matcher.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/matcher.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1751,6 +1751,13 @@
     _shared_nodes.map(leaf->_idx, ex);
   }
 
+  // Have mach nodes inherit GC barrier data
+  if (leaf->is_LoadStore()) {
+    mach->set_barrier_data(leaf->as_LoadStore()->barrier_data());
+  } else if (leaf->is_Mem()) {
+    mach->set_barrier_data(leaf->as_Mem()->barrier_data());
+  }
+
   return ex;
 }
 
--- a/src/hotspot/share/opto/memnode.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/memnode.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -49,9 +49,6 @@
 #include "utilities/copy.hpp"
 #include "utilities/macros.hpp"
 #include "utilities/vmError.hpp"
-#if INCLUDE_ZGC
-#include "gc/z/c2/zBarrierSetC2.hpp"
-#endif
 
 // Portions of code courtesy of Clifford Click
 
@@ -2851,7 +2848,7 @@
   : Node(required),
     _type(rt),
     _adr_type(at),
-    _has_barrier(false)
+    _barrier(0)
 {
   init_req(MemNode::Control, c  );
   init_req(MemNode::Memory , mem);
--- a/src/hotspot/share/opto/memnode.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/memnode.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -43,6 +43,8 @@
   bool _unaligned_access; // Unaligned access from unsafe
   bool _mismatched_access; // Mismatched access from unsafe: byte read in integer array for instance
   bool _unsafe_access;     // Access of unsafe origin.
+  uint8_t _barrier; // Bit field with barrier information
+
 protected:
 #ifdef ASSERT
   const TypePtr* _adr_type;     // What kind of memory is being addressed?
@@ -62,18 +64,30 @@
                  unset          // The memory ordering is not set (used for testing)
   } MemOrd;
 protected:
-  MemNode( Node *c0, Node *c1, Node *c2, const TypePtr* at )
-    : Node(c0,c1,c2   ), _unaligned_access(false), _mismatched_access(false), _unsafe_access(false) {
+  MemNode( Node *c0, Node *c1, Node *c2, const TypePtr* at ) :
+      Node(c0,c1,c2),
+      _unaligned_access(false),
+      _mismatched_access(false),
+      _unsafe_access(false),
+      _barrier(0) {
     init_class_id(Class_Mem);
     debug_only(_adr_type=at; adr_type();)
   }
-  MemNode( Node *c0, Node *c1, Node *c2, const TypePtr* at, Node *c3 )
-    : Node(c0,c1,c2,c3), _unaligned_access(false), _mismatched_access(false), _unsafe_access(false) {
+  MemNode( Node *c0, Node *c1, Node *c2, const TypePtr* at, Node *c3 ) :
+      Node(c0,c1,c2,c3),
+      _unaligned_access(false),
+      _mismatched_access(false),
+      _unsafe_access(false),
+      _barrier(0) {
     init_class_id(Class_Mem);
     debug_only(_adr_type=at; adr_type();)
   }
-  MemNode( Node *c0, Node *c1, Node *c2, const TypePtr* at, Node *c3, Node *c4)
-    : Node(c0,c1,c2,c3,c4), _unaligned_access(false), _mismatched_access(false), _unsafe_access(false) {
+  MemNode( Node *c0, Node *c1, Node *c2, const TypePtr* at, Node *c3, Node *c4) :
+      Node(c0,c1,c2,c3,c4),
+      _unaligned_access(false),
+      _mismatched_access(false),
+      _unsafe_access(false),
+      _barrier(0) {
     init_class_id(Class_Mem);
     debug_only(_adr_type=at; adr_type();)
   }
@@ -125,6 +139,9 @@
 #endif
   }
 
+  uint8_t barrier_data() { return _barrier; }
+  void set_barrier_data(uint8_t barrier_data) { _barrier = barrier_data; }
+
   // Search through memory states which precede this node (load or store).
   // Look for an exact match for the address, with no intervening
   // aliased stores.
@@ -181,8 +198,6 @@
   // this field.
   const MemOrd _mo;
 
-  uint _barrier; // Bit field with barrier information
-
   AllocateNode* is_new_object_mark_load(PhaseGVN *phase) const;
 
 protected:
@@ -196,7 +211,7 @@
 public:
 
   LoadNode(Node *c, Node *mem, Node *adr, const TypePtr* at, const Type *rt, MemOrd mo, ControlDependency control_dependency)
-    : MemNode(c,mem,adr,at), _control_dependency(control_dependency), _mo(mo), _barrier(0), _type(rt) {
+    : MemNode(c,mem,adr,at), _control_dependency(control_dependency), _mo(mo), _type(rt) {
     init_class_id(Class_Load);
   }
   inline bool is_unordered() const { return !is_acquire(); }
@@ -265,10 +280,6 @@
   Node* convert_to_unsigned_load(PhaseGVN& gvn);
   Node* convert_to_signed_load(PhaseGVN& gvn);
 
-  void copy_barrier_info(const Node* src) { _barrier = src->as_Load()->_barrier; }
-  uint barrier_data() { return _barrier; }
-  void set_barrier_data(uint barrier_data) { _barrier |= barrier_data; }
-
   void pin() { _control_dependency = Pinned; }
   bool has_unknown_control_dependency() const { return _control_dependency == UnknownControl; }
 
@@ -820,7 +831,7 @@
 private:
   const Type* const _type;      // What kind of value is loaded?
   const TypePtr* _adr_type;     // What kind of memory is being addressed?
-  bool _has_barrier;
+  uint8_t _barrier; // Bit field with barrier information
   virtual uint size_of() const; // Size is bigger
 public:
   LoadStoreNode( Node *c, Node *mem, Node *adr, Node *val, const TypePtr* at, const Type* rt, uint required );
@@ -833,8 +844,9 @@
 
   bool result_not_used() const;
   MemBarNode* trailing_membar() const;
-  void set_has_barrier() { _has_barrier = true; };
-  bool has_barrier() const { return _has_barrier; };
+
+  uint8_t barrier_data() { return _barrier; }
+  void set_barrier_data(uint8_t barrier_data) { _barrier = barrier_data; }
 };
 
 class LoadStoreConditionalNode : public LoadStoreNode {
@@ -886,6 +898,7 @@
   MemNode::MemOrd order() const {
     return _mem_ord;
   }
+  virtual uint size_of() const { return sizeof(*this); }
 };
 
 class CompareAndExchangeNode : public LoadStoreNode {
@@ -903,6 +916,7 @@
   MemNode::MemOrd order() const {
     return _mem_ord;
   }
+  virtual uint size_of() const { return sizeof(*this); }
 };
 
 //------------------------------CompareAndSwapBNode---------------------------
--- a/src/hotspot/share/opto/node.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/node.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -546,9 +546,6 @@
   if (n->is_SafePoint()) {
     n->as_SafePoint()->clone_replaced_nodes();
   }
-  if (n->is_Load()) {
-    n->as_Load()->copy_barrier_info(this);
-  }
   return n;                     // Return the clone
 }
 
@@ -1473,10 +1470,6 @@
   if (req() < 2 || (_flags & Flag_needs_anti_dependence_check) == 0) {
     return false;
   }
-  BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
-  if (!bs->needs_anti_dependence_check(this)) {
-    return false;
-  }
   return in(1)->bottom_type()->has_memory();
 }
 
--- a/src/hotspot/share/opto/node.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/node.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -83,8 +83,6 @@
 class JumpNode;
 class JumpProjNode;
 class LoadNode;
-class LoadBarrierNode;
-class LoadBarrierSlowRegNode;
 class LoadStoreNode;
 class LoadStoreConditionalNode;
 class LockNode;
@@ -642,7 +640,6 @@
       DEFINE_CLASS_ID(MemBar,      Multi, 3)
         DEFINE_CLASS_ID(Initialize,       MemBar, 0)
         DEFINE_CLASS_ID(MemBarStoreStore, MemBar, 1)
-      DEFINE_CLASS_ID(LoadBarrier, Multi, 4)
 
     DEFINE_CLASS_ID(Mach,  Node, 1)
       DEFINE_CLASS_ID(MachReturn, Mach, 0)
@@ -679,7 +676,6 @@
       DEFINE_CLASS_ID(EncodeNarrowPtr, Type, 6)
         DEFINE_CLASS_ID(EncodeP, EncodeNarrowPtr, 0)
         DEFINE_CLASS_ID(EncodePKlass, EncodeNarrowPtr, 1)
-      DEFINE_CLASS_ID(LoadBarrierSlowReg, Type, 7)
 
     DEFINE_CLASS_ID(Proj,  Node, 3)
       DEFINE_CLASS_ID(CatchProj, Proj, 0)
@@ -836,8 +832,6 @@
   DEFINE_CLASS_QUERY(Load)
   DEFINE_CLASS_QUERY(LoadStore)
   DEFINE_CLASS_QUERY(LoadStoreConditional)
-  DEFINE_CLASS_QUERY(LoadBarrier)
-  DEFINE_CLASS_QUERY(LoadBarrierSlowReg)
   DEFINE_CLASS_QUERY(Lock)
   DEFINE_CLASS_QUERY(Loop)
   DEFINE_CLASS_QUERY(Mach)
--- a/src/hotspot/share/opto/output.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/output.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -31,6 +31,8 @@
 #include "compiler/compileBroker.hpp"
 #include "compiler/compilerDirectives.hpp"
 #include "compiler/oopMap.hpp"
+#include "gc/shared/barrierSet.hpp"
+#include "gc/shared/c2/barrierSetC2.hpp"
 #include "memory/allocation.inline.hpp"
 #include "opto/ad.hpp"
 #include "opto/callnode.hpp"
@@ -114,35 +116,33 @@
     }
   }
 
+  // Keeper of sizing aspects
+  BufferSizingData buf_sizes = BufferSizingData();
+
+  // Initialize code buffer
+  estimate_buffer_size(buf_sizes._const);
+  if (failing()) return;
+
+  // Pre-compute the length of blocks and replace
+  // long branches with short if machine supports it.
+  // Must be done before ScheduleAndBundle due to SPARC delay slots
   uint* blk_starts = NEW_RESOURCE_ARRAY(uint, _cfg->number_of_blocks() + 1);
   blk_starts[0] = 0;
-
-  // Initialize code buffer and process short branches.
-  CodeBuffer* cb = init_buffer(blk_starts);
-
-  if (cb == NULL || failing()) {
-    return;
-  }
+  shorten_branches(blk_starts, buf_sizes);
 
   ScheduleAndBundle();
-
-#ifndef PRODUCT
-  if (trace_opto_output()) {
-    tty->print("\n---- After ScheduleAndBundle ----\n");
-    for (uint i = 0; i < _cfg->number_of_blocks(); i++) {
-      tty->print("\nBB#%03d:\n", i);
-      Block* block = _cfg->get_block(i);
-      for (uint j = 0; j < block->number_of_nodes(); j++) {
-        Node* n = block->get_node(j);
-        OptoReg::Name reg = _regalloc->get_reg_first(n);
-        tty->print(" %-6s ", reg >= 0 && reg < REG_COUNT ? Matcher::regName[reg] : "");
-        n->dump();
-      }
-    }
+  if (failing()) {
+    return;
   }
-#endif
-
-  if (failing()) {
+
+  // Late barrier analysis must be done after schedule and bundle
+  // Otherwise liveness based spilling will fail
+  BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
+  bs->late_barrier_analysis();
+
+  // Complete sizing of codebuffer
+  CodeBuffer* cb = init_buffer(buf_sizes);
+  if (cb == NULL || failing()) {
     return;
   }
 
@@ -223,7 +223,7 @@
 
 // The architecture description provides short branch variants for some long
 // branch instructions. Replace eligible long branches with short branches.
-void Compile::shorten_branches(uint* blk_starts, int& code_size, int& reloc_size, int& stub_size) {
+void Compile::shorten_branches(uint* blk_starts, BufferSizingData& buf_sizes) {
   // Compute size of each block, method size, and relocation information size
   uint nblocks  = _cfg->number_of_blocks();
 
@@ -241,11 +241,11 @@
   bool has_short_branch_candidate = false;
 
   // Initialize the sizes to 0
-  code_size  = 0;          // Size in bytes of generated code
-  stub_size  = 0;          // Size in bytes of all stub entries
+  int code_size  = 0;          // Size in bytes of generated code
+  int stub_size  = 0;          // Size in bytes of all stub entries
   // Size in bytes of all relocation entries, including those in local stubs.
   // Start with 2-bytes of reloc info for the unvalidated entry point
-  reloc_size = 1;          // Number of relocation entries
+  int reloc_size = 1;          // Number of relocation entries
 
   // Make three passes.  The first computes pessimistic blk_starts,
   // relative jmp_offset and reloc_size information.  The second performs
@@ -479,6 +479,10 @@
   // a relocation index.
   // The CodeBuffer will expand the locs array if this estimate is too low.
   reloc_size *= 10 / sizeof(relocInfo);
+
+  buf_sizes._reloc = reloc_size;
+  buf_sizes._code  = code_size;
+  buf_sizes._stub  = stub_size;
 }
 
 //------------------------------FillLocArray-----------------------------------
@@ -490,8 +494,8 @@
   // This should never have accepted Bad before
   assert(OptoReg::is_valid(regnum), "location must be valid");
   return (OptoReg::is_reg(regnum))
-    ? new LocationValue(Location::new_reg_loc(l_type, OptoReg::as_VMReg(regnum)) )
-    : new LocationValue(Location::new_stk_loc(l_type,  ra->reg2offset(regnum)));
+         ? new LocationValue(Location::new_reg_loc(l_type, OptoReg::as_VMReg(regnum)) )
+         : new LocationValue(Location::new_stk_loc(l_type,  ra->reg2offset(regnum)));
 }
 
 
@@ -610,12 +614,12 @@
     }
 #endif //_LP64
     else if( (t->base() == Type::FloatBot || t->base() == Type::FloatCon) &&
-               OptoReg::is_reg(regnum) ) {
+             OptoReg::is_reg(regnum) ) {
       array->append(new_loc_value( _regalloc, regnum, Matcher::float_in_double()
-                                   ? Location::float_in_dbl : Location::normal ));
+                                                      ? Location::float_in_dbl : Location::normal ));
     } else if( t->base() == Type::Int && OptoReg::is_reg(regnum) ) {
       array->append(new_loc_value( _regalloc, regnum, Matcher::int_in_long
-                                   ? Location::int_in_long : Location::normal ));
+                                                      ? Location::int_in_long : Location::normal ));
     } else if( t->base() == Type::NarrowOop ) {
       array->append(new_loc_value( _regalloc, regnum, Location::narrowoop ));
     } else {
@@ -626,48 +630,48 @@
 
   // No register.  It must be constant data.
   switch (t->base()) {
-  case Type::Half:              // Second half of a double
-    ShouldNotReachHere();       // Caller should skip 2nd halves
-    break;
-  case Type::AnyPtr:
-    array->append(new ConstantOopWriteValue(NULL));
-    break;
-  case Type::AryPtr:
-  case Type::InstPtr:          // fall through
-    array->append(new ConstantOopWriteValue(t->isa_oopptr()->const_oop()->constant_encoding()));
-    break;
-  case Type::NarrowOop:
-    if (t == TypeNarrowOop::NULL_PTR) {
+    case Type::Half:              // Second half of a double
+      ShouldNotReachHere();       // Caller should skip 2nd halves
+      break;
+    case Type::AnyPtr:
       array->append(new ConstantOopWriteValue(NULL));
-    } else {
-      array->append(new ConstantOopWriteValue(t->make_ptr()->isa_oopptr()->const_oop()->constant_encoding()));
+      break;
+    case Type::AryPtr:
+    case Type::InstPtr:          // fall through
+      array->append(new ConstantOopWriteValue(t->isa_oopptr()->const_oop()->constant_encoding()));
+      break;
+    case Type::NarrowOop:
+      if (t == TypeNarrowOop::NULL_PTR) {
+        array->append(new ConstantOopWriteValue(NULL));
+      } else {
+        array->append(new ConstantOopWriteValue(t->make_ptr()->isa_oopptr()->const_oop()->constant_encoding()));
+      }
+      break;
+    case Type::Int:
+      array->append(new ConstantIntValue(t->is_int()->get_con()));
+      break;
+    case Type::RawPtr:
+      // A return address (T_ADDRESS).
+      assert((intptr_t)t->is_ptr()->get_con() < (intptr_t)0x10000, "must be a valid BCI");
+#ifdef _LP64
+      // Must be restored to the full-width 64-bit stack slot.
+      array->append(new ConstantLongValue(t->is_ptr()->get_con()));
+#else
+      array->append(new ConstantIntValue(t->is_ptr()->get_con()));
+#endif
+      break;
+    case Type::FloatCon: {
+      float f = t->is_float_constant()->getf();
+      array->append(new ConstantIntValue(jint_cast(f)));
+      break;
     }
-    break;
-  case Type::Int:
-    array->append(new ConstantIntValue(t->is_int()->get_con()));
-    break;
-  case Type::RawPtr:
-    // A return address (T_ADDRESS).
-    assert((intptr_t)t->is_ptr()->get_con() < (intptr_t)0x10000, "must be a valid BCI");
+    case Type::DoubleCon: {
+      jdouble d = t->is_double_constant()->getd();
 #ifdef _LP64
-    // Must be restored to the full-width 64-bit stack slot.
-    array->append(new ConstantLongValue(t->is_ptr()->get_con()));
+      array->append(new ConstantIntValue((jint)0));
+      array->append(new ConstantDoubleValue(d));
 #else
-    array->append(new ConstantIntValue(t->is_ptr()->get_con()));
-#endif
-    break;
-  case Type::FloatCon: {
-    float f = t->is_float_constant()->getf();
-    array->append(new ConstantIntValue(jint_cast(f)));
-    break;
-  }
-  case Type::DoubleCon: {
-    jdouble d = t->is_double_constant()->getd();
-#ifdef _LP64
-    array->append(new ConstantIntValue((jint)0));
-    array->append(new ConstantDoubleValue(d));
-#else
-    // Repack the double as two jints.
+      // Repack the double as two jints.
     // The convention the interpreter uses is that the second local
     // holds the first raw word of the native double representation.
     // This is actually reasonable, since locals and stack arrays
@@ -679,15 +683,15 @@
     array->append(new ConstantIntValue(acc.words[1]));
     array->append(new ConstantIntValue(acc.words[0]));
 #endif
-    break;
-  }
-  case Type::Long: {
-    jlong d = t->is_long()->get_con();
+      break;
+    }
+    case Type::Long: {
+      jlong d = t->is_long()->get_con();
 #ifdef _LP64
-    array->append(new ConstantIntValue((jint)0));
-    array->append(new ConstantLongValue(d));
+      array->append(new ConstantIntValue((jint)0));
+      array->append(new ConstantLongValue(d));
 #else
-    // Repack the long as two jints.
+      // Repack the long as two jints.
     // The convention the interpreter uses is that the second local
     // holds the first raw word of the native double representation.
     // This is actually reasonable, since locals and stack arrays
@@ -699,14 +703,14 @@
     array->append(new ConstantIntValue(acc.words[1]));
     array->append(new ConstantIntValue(acc.words[0]));
 #endif
-    break;
-  }
-  case Type::Top:               // Add an illegal value here
-    array->append(new LocationValue(Location()));
-    break;
-  default:
-    ShouldNotReachHere();
-    break;
+      break;
+    }
+    case Type::Top:               // Add an illegal value here
+      array->append(new LocationValue(Location()));
+      break;
+    default:
+      ShouldNotReachHere();
+      break;
   }
 }
 
@@ -871,58 +875,58 @@
 
 // A simplified version of Process_OopMap_Node, to handle non-safepoints.
 class NonSafepointEmitter {
-  Compile*  C;
-  JVMState* _pending_jvms;
-  int       _pending_offset;
-
-  void emit_non_safepoint();
+    Compile*  C;
+    JVMState* _pending_jvms;
+    int       _pending_offset;
+
+    void emit_non_safepoint();
 
  public:
-  NonSafepointEmitter(Compile* compile) {
-    this->C = compile;
-    _pending_jvms = NULL;
-    _pending_offset = 0;
-  }
-
-  void observe_instruction(Node* n, int pc_offset) {
-    if (!C->debug_info()->recording_non_safepoints())  return;
-
-    Node_Notes* nn = C->node_notes_at(n->_idx);
-    if (nn == NULL || nn->jvms() == NULL)  return;
-    if (_pending_jvms != NULL &&
-        _pending_jvms->same_calls_as(nn->jvms())) {
-      // Repeated JVMS?  Stretch it up here.
-      _pending_offset = pc_offset;
-    } else {
+    NonSafepointEmitter(Compile* compile) {
+      this->C = compile;
+      _pending_jvms = NULL;
+      _pending_offset = 0;
+    }
+
+    void observe_instruction(Node* n, int pc_offset) {
+      if (!C->debug_info()->recording_non_safepoints())  return;
+
+      Node_Notes* nn = C->node_notes_at(n->_idx);
+      if (nn == NULL || nn->jvms() == NULL)  return;
       if (_pending_jvms != NULL &&
+          _pending_jvms->same_calls_as(nn->jvms())) {
+        // Repeated JVMS?  Stretch it up here.
+        _pending_offset = pc_offset;
+      } else {
+        if (_pending_jvms != NULL &&
+            _pending_offset < pc_offset) {
+          emit_non_safepoint();
+        }
+        _pending_jvms = NULL;
+        if (pc_offset > C->debug_info()->last_pc_offset()) {
+          // This is the only way _pending_jvms can become non-NULL:
+          _pending_jvms = nn->jvms();
+          _pending_offset = pc_offset;
+        }
+      }
+    }
+
+    // Stay out of the way of real safepoints:
+    void observe_safepoint(JVMState* jvms, int pc_offset) {
+      if (_pending_jvms != NULL &&
+          !_pending_jvms->same_calls_as(jvms) &&
           _pending_offset < pc_offset) {
         emit_non_safepoint();
       }
       _pending_jvms = NULL;
-      if (pc_offset > C->debug_info()->last_pc_offset()) {
-        // This is the only way _pending_jvms can become non-NULL:
-        _pending_jvms = nn->jvms();
-        _pending_offset = pc_offset;
-      }
     }
-  }
-
-  // Stay out of the way of real safepoints:
-  void observe_safepoint(JVMState* jvms, int pc_offset) {
-    if (_pending_jvms != NULL &&
-        !_pending_jvms->same_calls_as(jvms) &&
-        _pending_offset < pc_offset) {
-      emit_non_safepoint();
+
+    void flush_at_end() {
+      if (_pending_jvms != NULL) {
+        emit_non_safepoint();
+      }
+      _pending_jvms = NULL;
     }
-    _pending_jvms = NULL;
-  }
-
-  void flush_at_end() {
-    if (_pending_jvms != NULL) {
-      emit_non_safepoint();
-    }
-    _pending_jvms = NULL;
-  }
 };
 
 void NonSafepointEmitter::emit_non_safepoint() {
@@ -952,15 +956,11 @@
 }
 
 //------------------------------init_buffer------------------------------------
-CodeBuffer* Compile::init_buffer(uint* blk_starts) {
+void Compile::estimate_buffer_size(int& const_req) {
 
   // Set the initially allocated size
-  int  code_req   = initial_code_capacity;
-  int  locs_req   = initial_locs_capacity;
-  int  stub_req   = initial_stub_capacity;
-  int  const_req  = initial_const_capacity;
-
-  int  pad_req    = NativeCall::instruction_size;
+  const_req = initial_const_capacity;
+
   // The extra spacing after the code is necessary on some platforms.
   // Sometimes we need to patch in a jump after the last instruction,
   // if the nmethod has been deoptimized.  (See 4932387, 4894843.)
@@ -972,7 +972,7 @@
 
   // Compute prolog code size
   _method_size = 0;
-  _frame_slots = OptoReg::reg2stack(_matcher->_old_SP)+_regalloc->_framesize;
+  _frame_slots = OptoReg::reg2stack(_matcher->_old_SP) + _regalloc->_framesize;
 #if defined(IA64) && !defined(AIX)
   if (save_argument_registers()) {
     // 4815101: this is a stub with implicit and unknown precision fp args.
@@ -1021,11 +1021,18 @@
   // Initialize the space for the BufferBlob used to find and verify
   // instruction size in MachNode::emit_size()
   init_scratch_buffer_blob(const_req);
-  if (failing())  return NULL; // Out of memory
-
-  // Pre-compute the length of blocks and replace
-  // long branches with short if machine supports it.
-  shorten_branches(blk_starts, code_req, locs_req, stub_req);
+}
+
+CodeBuffer* Compile::init_buffer(BufferSizingData& buf_sizes) {
+
+  int stub_req  = buf_sizes._stub;
+  int code_req  = buf_sizes._code;
+  int const_req = buf_sizes._const;
+
+  int pad_req   = NativeCall::instruction_size;
+
+  BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
+  stub_req += bs->estimate_stub_size();
 
   // nmethod and CodeBuffer count stubs & constants as part of method's code.
   // class HandlerImpl is platform-specific and defined in the *.ad files.
@@ -1038,18 +1045,18 @@
     code_req = const_req = stub_req = exception_handler_req = deopt_handler_req = 0x10;  // force expansion
 
   int total_req =
-    const_req +
-    code_req +
-    pad_req +
-    stub_req +
-    exception_handler_req +
-    deopt_handler_req;               // deopt handler
+          const_req +
+          code_req +
+          pad_req +
+          stub_req +
+          exception_handler_req +
+          deopt_handler_req;               // deopt handler
 
   if (has_method_handle_invokes())
     total_req += deopt_handler_req;  // deopt MH handler
 
   CodeBuffer* cb = code_buffer();
-  cb->initialize(total_req, locs_req);
+  cb->initialize(total_req, buf_sizes._reloc);
 
   // Have we run out of code space?
   if ((cb->blob() == NULL) || (!CompileBroker::should_compile_new_jobs())) {
@@ -1268,12 +1275,12 @@
           Process_OopMap_Node(mach, current_offset);
         } // End if safepoint
 
-        // If this is a null check, then add the start of the previous instruction to the list
+          // If this is a null check, then add the start of the previous instruction to the list
         else if( mach->is_MachNullCheck() ) {
           inct_starts[inct_cnt++] = previous_offset;
         }
 
-        // If this is a branch, then fill in the label with the target BB's label
+          // If this is a branch, then fill in the label with the target BB's label
         else if (mach->is_MachBranch()) {
           // This requires the TRUE branch target be in succs[0]
           uint block_num = block->non_connector_successor(0)->_pre_order;
@@ -1284,8 +1291,8 @@
           bool delay_slot_is_used = valid_bundle_info(n) &&
                                     node_bundling(n)->use_unconditional_delay();
           if (!delay_slot_is_used && mach->may_be_short_branch()) {
-           assert(delay_slot == NULL, "not expecting delay slot node");
-           int br_size = n->size(_regalloc);
+            assert(delay_slot == NULL, "not expecting delay slot node");
+            int br_size = n->size(_regalloc);
             int offset = blk_starts[block_num] - current_offset;
             if (block_num >= i) {
               // Current and following block's offset are not
@@ -1343,7 +1350,7 @@
           }
         }
 #ifdef ASSERT
-        // Check that oop-store precedes the card-mark
+          // Check that oop-store precedes the card-mark
         else if (mach->ideal_Opcode() == Op_StoreCM) {
           uint storeCM_idx = j;
           int count = 0;
@@ -1514,6 +1521,10 @@
   }
 #endif
 
+  BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
+  bs->emit_stubs(*cb);
+  if (failing())  return;
+
 #ifndef PRODUCT
   // Information on the size of the method, without the extraneous code
   Scheduling::increment_method_size(cb->insts_size());
@@ -1688,20 +1699,20 @@
 // Initializer for class Scheduling
 
 Scheduling::Scheduling(Arena *arena, Compile &compile)
-  : _arena(arena),
-    _cfg(compile.cfg()),
-    _regalloc(compile.regalloc()),
-    _scheduled(arena),
-    _available(arena),
-    _reg_node(arena),
-    _pinch_free_list(arena),
-    _next_node(NULL),
-    _bundle_instr_count(0),
-    _bundle_cycle_number(0),
-    _bundle_use(0, 0, resource_count, &_bundle_use_elements[0])
+        : _arena(arena),
+          _cfg(compile.cfg()),
+          _regalloc(compile.regalloc()),
+          _scheduled(arena),
+          _available(arena),
+          _reg_node(arena),
+          _pinch_free_list(arena),
+          _next_node(NULL),
+          _bundle_instr_count(0),
+          _bundle_cycle_number(0),
+          _bundle_use(0, 0, resource_count, &_bundle_use_elements[0])
 #ifndef PRODUCT
-  , _branches(0)
-  , _unconditional_delays(0)
+        , _branches(0)
+        , _unconditional_delays(0)
 #endif
 {
   // Create a MachNopNode
@@ -1782,8 +1793,8 @@
   _bundle_use.reset();
 
   memcpy(_bundle_use_elements,
-    Pipeline_Use::elaborated_elements,
-    sizeof(Pipeline_Use::elaborated_elements));
+         Pipeline_Use::elaborated_elements,
+         sizeof(Pipeline_Use::elaborated_elements));
 }
 
 // Perform instruction scheduling and bundling over the sequence of
@@ -1810,6 +1821,22 @@
   // Walk backwards over each basic block, computing the needed alignment
   // Walk over all the basic blocks
   scheduling.DoScheduling();
+
+#ifndef PRODUCT
+  if (trace_opto_output()) {
+    tty->print("\n---- After ScheduleAndBundle ----\n");
+    for (uint i = 0; i < _cfg->number_of_blocks(); i++) {
+      tty->print("\nBB#%03d:\n", i);
+      Block* block = _cfg->get_block(i);
+      for (uint j = 0; j < block->number_of_nodes(); j++) {
+        Node* n = block->get_node(j);
+        OptoReg::Name reg = _regalloc->get_reg_first(n);
+        tty->print(" %-6s ", reg >= 0 && reg < REG_COUNT ? Matcher::regName[reg] : "");
+        n->dump();
+      }
+    }
+  }
+#endif
 }
 
 // Compute the latency of all the instructions.  This is fairly simple,
@@ -1878,7 +1905,7 @@
 #ifndef PRODUCT
     if (_cfg->C->trace_opto_output())
       tty->print("#     NodeFitsInBundle [%4d]: FALSE; latency %4d > %d\n",
-        n->_idx, _current_latency[n_idx], _bundle_cycle_number);
+                 n->_idx, _current_latency[n_idx], _bundle_cycle_number);
 #endif
     return (false);
   }
@@ -1895,7 +1922,7 @@
 #ifndef PRODUCT
     if (_cfg->C->trace_opto_output())
       tty->print("#     NodeFitsInBundle [%4d]: FALSE; too many instructions: %d > %d\n",
-        n->_idx, _bundle_instr_count + instruction_count, Pipeline::_max_instrs_per_cycle);
+                 n->_idx, _bundle_instr_count + instruction_count, Pipeline::_max_instrs_per_cycle);
 #endif
     return (false);
   }
@@ -2103,12 +2130,12 @@
         // Don't allow safepoints in the branch shadow, that will
         // cause a number of difficulties
         if ( avail_pipeline->instructionCount() == 1 &&
-            !avail_pipeline->hasMultipleBundles() &&
-            !avail_pipeline->hasBranchDelay() &&
-            Pipeline::instr_has_unit_size() &&
-            d->size(_regalloc) == Pipeline::instr_unit_size() &&
-            NodeFitsInBundle(d) &&
-            !node_bundling(d)->used_in_delay()) {
+             !avail_pipeline->hasMultipleBundles() &&
+             !avail_pipeline->hasBranchDelay() &&
+             Pipeline::instr_has_unit_size() &&
+             d->size(_regalloc) == Pipeline::instr_unit_size() &&
+             NodeFitsInBundle(d) &&
+             !node_bundling(d)->used_in_delay()) {
 
           if (d->is_Mach() && !d->is_MachSafePoint()) {
             // A node that fits in the delay slot was found, so we need to
@@ -2153,13 +2180,13 @@
     // step of the bundles
     if (!NodeFitsInBundle(n)) {
 #ifndef PRODUCT
-        if (_cfg->C->trace_opto_output())
-          tty->print("#  *** STEP(branch won't fit) ***\n");
+      if (_cfg->C->trace_opto_output())
+        tty->print("#  *** STEP(branch won't fit) ***\n");
 #endif
-        // Update the state information
-        _bundle_instr_count = 0;
-        _bundle_cycle_number += 1;
-        _bundle_use.step(1);
+      // Update the state information
+      _bundle_instr_count = 0;
+      _bundle_cycle_number += 1;
+      _bundle_use.step(1);
     }
   }
 
@@ -2205,8 +2232,8 @@
 #ifndef PRODUCT
         if (_cfg->C->trace_opto_output())
           tty->print("#  *** STEP(%d >= %d instructions) ***\n",
-            instruction_count + _bundle_instr_count,
-            Pipeline::_max_instrs_per_cycle);
+                     instruction_count + _bundle_instr_count,
+                     Pipeline::_max_instrs_per_cycle);
 #endif
         step(1);
       }
@@ -2412,7 +2439,7 @@
     }
     assert(!last->is_Mach() || last->as_Mach()->ideal_Opcode() != Op_Con, "");
     if( last->is_Catch() ||
-       (last->is_Mach() && last->as_Mach()->ideal_Opcode() == Op_Halt) ) {
+        (last->is_Mach() && last->as_Mach()->ideal_Opcode() == Op_Halt) ) {
       // There might be a prior call.  Skip it.
       while (_bb_start < _bb_end && bb->get_node(--_bb_end)->is_MachProj());
     } else if( last->is_MachNullCheck() ) {
@@ -2482,7 +2509,7 @@
     }
 #endif
 #ifdef ASSERT
-  verify_good_schedule(bb,"after block local scheduling");
+    verify_good_schedule(bb,"after block local scheduling");
 #endif
   }
 
@@ -2830,31 +2857,31 @@
 //
 void Scheduling::garbage_collect_pinch_nodes() {
 #ifndef PRODUCT
-    if (_cfg->C->trace_opto_output()) tty->print("Reclaimed pinch nodes:");
+  if (_cfg->C->trace_opto_output()) tty->print("Reclaimed pinch nodes:");
 #endif
-    int trace_cnt = 0;
-    for (uint k = 0; k < _reg_node.Size(); k++) {
-      Node* pinch = _reg_node[k];
-      if ((pinch != NULL) && pinch->Opcode() == Op_Node &&
-          // no predecence input edges
-          (pinch->req() == pinch->len() || pinch->in(pinch->req()) == NULL) ) {
-        cleanup_pinch(pinch);
-        _pinch_free_list.push(pinch);
-        _reg_node.map(k, NULL);
+  int trace_cnt = 0;
+  for (uint k = 0; k < _reg_node.Size(); k++) {
+    Node* pinch = _reg_node[k];
+    if ((pinch != NULL) && pinch->Opcode() == Op_Node &&
+        // no predecence input edges
+        (pinch->req() == pinch->len() || pinch->in(pinch->req()) == NULL) ) {
+      cleanup_pinch(pinch);
+      _pinch_free_list.push(pinch);
+      _reg_node.map(k, NULL);
 #ifndef PRODUCT
-        if (_cfg->C->trace_opto_output()) {
-          trace_cnt++;
-          if (trace_cnt > 40) {
-            tty->print("\n");
-            trace_cnt = 0;
-          }
-          tty->print(" %d", pinch->_idx);
+      if (_cfg->C->trace_opto_output()) {
+        trace_cnt++;
+        if (trace_cnt > 40) {
+          tty->print("\n");
+          trace_cnt = 0;
         }
+        tty->print(" %d", pinch->_idx);
+      }
 #endif
-      }
     }
+  }
 #ifndef PRODUCT
-    if (_cfg->C->trace_opto_output()) tty->print("\n");
+  if (_cfg->C->trace_opto_output()) tty->print("\n");
 #endif
 }
 
@@ -2891,19 +2918,19 @@
 void Scheduling::print_statistics() {
   // Print the size added by nops for bundling
   tty->print("Nops added %d bytes to total of %d bytes",
-    _total_nop_size, _total_method_size);
+             _total_nop_size, _total_method_size);
   if (_total_method_size > 0)
     tty->print(", for %.2f%%",
-      ((double)_total_nop_size) / ((double) _total_method_size) * 100.0);
+               ((double)_total_nop_size) / ((double) _total_method_size) * 100.0);
   tty->print("\n");
 
   // Print the number of branch shadows filled
   if (Pipeline::_branch_has_delay_slot) {
     tty->print("Of %d branches, %d had unconditional delay slots filled",
-      _total_branches, _total_unconditional_delays);
+               _total_branches, _total_unconditional_delays);
     if (_total_branches > 0)
       tty->print(", for %.2f%%",
-        ((double)_total_unconditional_delays) / ((double)_total_branches) * 100.0);
+                 ((double)_total_unconditional_delays) / ((double)_total_branches) * 100.0);
     tty->print("\n");
   }
 
@@ -2917,6 +2944,6 @@
 
   if (total_bundles > 0)
     tty->print("Average ILP (excluding nops) is %.2f\n",
-      ((double)total_instructions) / ((double)total_bundles));
+               ((double)total_instructions) / ((double)total_bundles));
 }
 #endif
--- a/src/hotspot/share/opto/output.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/output.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -40,7 +40,6 @@
 class PhaseChaitin;
 class Pipeline_Use_Element;
 class Pipeline_Use;
-
 #ifndef PRODUCT
 #define DEBUG_ARG(x) , x
 #else
@@ -49,10 +48,7 @@
 
 // Define the initial sizes for allocation of the resizable code buffer
 enum {
-  initial_code_capacity  =  16 * 1024,
-  initial_stub_capacity  =   4 * 1024,
-  initial_const_capacity =   4 * 1024,
-  initial_locs_capacity  =   3 * 1024
+  initial_const_capacity =   4 * 1024
 };
 
 //------------------------------Scheduling----------------------------------
--- a/src/hotspot/share/opto/phaseX.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/opto/phaseX.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1648,14 +1648,14 @@
     // of the mirror load depends on the type of 'n'. See LoadNode::Value().
     //   LoadBarrier?(LoadP(LoadP(AddP(foo:Klass, #java_mirror))))
     BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
-    bool has_load_barriers = bs->has_load_barriers();
+    bool has_load_barrier_nodes = bs->has_load_barrier_nodes();
 
     if (use_op == Op_LoadP && use->bottom_type()->isa_rawptr()) {
       for (DUIterator_Fast i2max, i2 = use->fast_outs(i2max); i2 < i2max; i2++) {
         Node* u = use->fast_out(i2);
         const Type* ut = u->bottom_type();
         if (u->Opcode() == Op_LoadP && ut->isa_instptr()) {
-          if (has_load_barriers) {
+          if (has_load_barrier_nodes) {
             // Search for load barriers behind the load
             for (DUIterator_Fast i3max, i3 = u->fast_outs(i3max); i3 < i3max; i3++) {
               Node* b = u->fast_out(i3);
@@ -1808,14 +1808,14 @@
         // Loading the java mirror from a Klass requires two loads and the type
         // of the mirror load depends on the type of 'n'. See LoadNode::Value().
         BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2();
-        bool has_load_barriers = bs->has_load_barriers();
+        bool has_load_barrier_nodes = bs->has_load_barrier_nodes();
 
         if (m_op == Op_LoadP && m->bottom_type()->isa_rawptr()) {
           for (DUIterator_Fast i2max, i2 = m->fast_outs(i2max); i2 < i2max; i2++) {
             Node* u = m->fast_out(i2);
             const Type* ut = u->bottom_type();
             if (u->Opcode() == Op_LoadP && ut->isa_instptr() && ut != type(u)) {
-              if (has_load_barriers) {
+              if (has_load_barrier_nodes) {
                 // Search for load barriers behind the load
                 for (DUIterator_Fast i3max, i3 = u->fast_outs(i3max); i3 < i3max; i3++) {
                   Node* b = u->fast_out(i3);
--- a/src/hotspot/share/prims/jni.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/jni.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -65,7 +65,6 @@
 #include "prims/jvmtiExport.hpp"
 #include "prims/jvmtiThreadState.hpp"
 #include "runtime/atomic.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/fieldDescriptor.inline.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/interfaceSupport.inline.hpp"
@@ -88,6 +87,9 @@
 #include "utilities/histogram.hpp"
 #include "utilities/macros.hpp"
 #include "utilities/vmError.hpp"
+#if INCLUDE_JVMCI
+#include "jvmci/jvmciCompiler.hpp"
+#endif
 
 static jint CurrentVersion = JNI_VERSION_10;
 
--- a/src/hotspot/share/prims/jniCheck.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/jniCheck.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -534,10 +534,10 @@
   if (obj != NULL) {
     oop recv = jniCheck::validate_object(thr, obj);
     assert(recv != NULL, "validate_object checks that");
-    Klass* ik = recv->klass();
+    Klass* rk = recv->klass();
 
     // Check that the object is a subtype of method holder too.
-    if (!InstanceKlass::cast(ik)->is_subtype_of(holder)) {
+    if (!rk->is_subtype_of(holder)) {
       ReportJNIFatalError(thr, fatal_wrong_class_or_method);
     }
   }
--- a/src/hotspot/share/prims/jvmtiEnv.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/jvmtiEnv.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -3229,23 +3229,23 @@
 jvmtiError
 JvmtiEnv::DestroyRawMonitor(JvmtiRawMonitor * rmonitor) {
   if (Threads::number_of_threads() == 0) {
-    // Remove this  monitor from pending raw monitors list
+    // Remove this monitor from pending raw monitors list
     // if it has entered in onload or start phase.
     JvmtiPendingMonitors::destroy(rmonitor);
   } else {
     Thread* thread  = Thread::current();
-    if (rmonitor->is_entered(thread)) {
+    if (rmonitor->owner() == thread) {
       // The caller owns this monitor which we are about to destroy.
       // We exit the underlying synchronization object so that the
       // "delete monitor" call below can work without an assertion
       // failure on systems that don't like destroying synchronization
       // objects that are locked.
       int r;
-      intptr_t recursion = rmonitor->recursions();
-      for (intptr_t i = 0; i <= recursion; i++) {
+      int recursion = rmonitor->recursions();
+      for (int i = 0; i <= recursion; i++) {
         r = rmonitor->raw_exit(thread);
-        assert(r == ObjectMonitor::OM_OK, "raw_exit should have worked");
-        if (r != ObjectMonitor::OM_OK) {  // robustness
+        assert(r == JvmtiRawMonitor::M_OK, "raw_exit should have worked");
+        if (r != JvmtiRawMonitor::M_OK) {  // robustness
           return JVMTI_ERROR_INTERNAL;
         }
       }
@@ -3271,7 +3271,7 @@
 jvmtiError
 JvmtiEnv::RawMonitorEnter(JvmtiRawMonitor * rmonitor) {
   if (Threads::number_of_threads() == 0) {
-    // No JavaThreads exist so ObjectMonitor enter cannot be
+    // No JavaThreads exist so JvmtiRawMonitor enter cannot be
     // used, add this raw monitor to the pending list.
     // The pending monitors will be actually entered when
     // the VM is setup.
@@ -3279,20 +3279,10 @@
     // in thread.cpp.
     JvmtiPendingMonitors::enter(rmonitor);
   } else {
-    int r = 0;
     Thread* thread = Thread::current();
-
     if (thread->is_Java_thread()) {
       JavaThread* current_thread = (JavaThread*)thread;
 
-#ifdef PROPER_TRANSITIONS
-      // Not really unknown but ThreadInVMfromNative does more than we want
-      ThreadInVMfromUnknown __tiv;
-      {
-        ThreadBlockInVM __tbivm(current_thread);
-        r = rmonitor->raw_enter(current_thread);
-      }
-#else
       /* Transition to thread_blocked without entering vm state          */
       /* This is really evil. Normally you can't undo _thread_blocked    */
       /* transitions like this because it would cause us to miss a       */
@@ -3308,22 +3298,11 @@
              current_thread->frame_anchor()->walkable(), "Must be walkable");
       current_thread->set_thread_state(_thread_blocked);
 
-      r = rmonitor->raw_enter(current_thread);
+      rmonitor->raw_enter(current_thread);
       // restore state, still at a safepoint safe state
       current_thread->set_thread_state(state);
-
-#endif /* PROPER_TRANSITIONS */
-      assert(r == ObjectMonitor::OM_OK, "raw_enter should have worked");
     } else {
-      if (thread->is_Named_thread()) {
-        r = rmonitor->raw_enter(thread);
-      } else {
-        ShouldNotReachHere();
-      }
-    }
-
-    if (r != ObjectMonitor::OM_OK) {  // robustness
-      return JVMTI_ERROR_INTERNAL;
+      rmonitor->raw_enter(thread);
     }
   }
   return JVMTI_ERROR_NONE;
@@ -3342,31 +3321,10 @@
       err = JVMTI_ERROR_NOT_MONITOR_OWNER;
     }
   } else {
-    int r = 0;
     Thread* thread = Thread::current();
-
-    if (thread->is_Java_thread()) {
-      JavaThread* current_thread = (JavaThread*)thread;
-#ifdef PROPER_TRANSITIONS
-      // Not really unknown but ThreadInVMfromNative does more than we want
-      ThreadInVMfromUnknown __tiv;
-#endif /* PROPER_TRANSITIONS */
-      r = rmonitor->raw_exit(current_thread);
-    } else {
-      if (thread->is_Named_thread()) {
-        r = rmonitor->raw_exit(thread);
-      } else {
-        ShouldNotReachHere();
-      }
-    }
-
-    if (r == ObjectMonitor::OM_ILLEGAL_MONITOR_STATE) {
+    int r = rmonitor->raw_exit(thread);
+    if (r == JvmtiRawMonitor::M_ILLEGAL_MONITOR_STATE) {
       err = JVMTI_ERROR_NOT_MONITOR_OWNER;
-    } else {
-      assert(r == ObjectMonitor::OM_OK, "raw_exit should have worked");
-      if (r != ObjectMonitor::OM_OK) {  // robustness
-        err = JVMTI_ERROR_INTERNAL;
-      }
     }
   }
   return err;
@@ -3381,14 +3339,7 @@
 
   if (thread->is_Java_thread()) {
     JavaThread* current_thread = (JavaThread*)thread;
-#ifdef PROPER_TRANSITIONS
-    // Not really unknown but ThreadInVMfromNative does more than we want
-    ThreadInVMfromUnknown __tiv;
-    {
-      ThreadBlockInVM __tbivm(current_thread);
-      r = rmonitor->raw_wait(millis, true, current_thread);
-    }
-#else
+
     /* Transition to thread_blocked without entering vm state          */
     /* This is really evil. Normally you can't undo _thread_blocked    */
     /* transitions like this because it would cause us to miss a       */
@@ -3408,57 +3359,31 @@
     // restore state, still at a safepoint safe state
     current_thread->set_thread_state(state);
 
-#endif /* PROPER_TRANSITIONS */
   } else {
-    if (thread->is_Named_thread()) {
       r = rmonitor->raw_wait(millis, false, thread);
-    } else {
-      ShouldNotReachHere();
-    }
+      assert(r != JvmtiRawMonitor::M_INTERRUPTED, "non-JavaThread can't be interrupted");
   }
 
   switch (r) {
-  case ObjectMonitor::OM_INTERRUPTED:
+  case JvmtiRawMonitor::M_INTERRUPTED:
     return JVMTI_ERROR_INTERRUPT;
-  case ObjectMonitor::OM_ILLEGAL_MONITOR_STATE:
+  case JvmtiRawMonitor::M_ILLEGAL_MONITOR_STATE:
     return JVMTI_ERROR_NOT_MONITOR_OWNER;
+  default:
+    return JVMTI_ERROR_NONE;
   }
-  assert(r == ObjectMonitor::OM_OK, "raw_wait should have worked");
-  if (r != ObjectMonitor::OM_OK) {  // robustness
-    return JVMTI_ERROR_INTERNAL;
-  }
-
-  return JVMTI_ERROR_NONE;
 } /* end RawMonitorWait */
 
 
 // rmonitor - pre-checked for validity
 jvmtiError
 JvmtiEnv::RawMonitorNotify(JvmtiRawMonitor * rmonitor) {
-  int r = 0;
   Thread* thread = Thread::current();
-
-  if (thread->is_Java_thread()) {
-    JavaThread* current_thread = (JavaThread*)thread;
-    // Not really unknown but ThreadInVMfromNative does more than we want
-    ThreadInVMfromUnknown __tiv;
-    r = rmonitor->raw_notify(current_thread);
-  } else {
-    if (thread->is_Named_thread()) {
-      r = rmonitor->raw_notify(thread);
-    } else {
-      ShouldNotReachHere();
-    }
-  }
-
-  if (r == ObjectMonitor::OM_ILLEGAL_MONITOR_STATE) {
+  int r = rmonitor->raw_notify(thread);
+
+  if (r == JvmtiRawMonitor::M_ILLEGAL_MONITOR_STATE) {
     return JVMTI_ERROR_NOT_MONITOR_OWNER;
   }
-  assert(r == ObjectMonitor::OM_OK, "raw_notify should have worked");
-  if (r != ObjectMonitor::OM_OK) {  // robustness
-    return JVMTI_ERROR_INTERNAL;
-  }
-
   return JVMTI_ERROR_NONE;
 } /* end RawMonitorNotify */
 
@@ -3466,29 +3391,12 @@
 // rmonitor - pre-checked for validity
 jvmtiError
 JvmtiEnv::RawMonitorNotifyAll(JvmtiRawMonitor * rmonitor) {
-  int r = 0;
   Thread* thread = Thread::current();
-
-  if (thread->is_Java_thread()) {
-    JavaThread* current_thread = (JavaThread*)thread;
-    ThreadInVMfromUnknown __tiv;
-    r = rmonitor->raw_notifyAll(current_thread);
-  } else {
-    if (thread->is_Named_thread()) {
-      r = rmonitor->raw_notifyAll(thread);
-    } else {
-      ShouldNotReachHere();
-    }
-  }
-
-  if (r == ObjectMonitor::OM_ILLEGAL_MONITOR_STATE) {
+  int r = rmonitor->raw_notifyAll(thread);
+
+  if (r == JvmtiRawMonitor::M_ILLEGAL_MONITOR_STATE) {
     return JVMTI_ERROR_NOT_MONITOR_OWNER;
   }
-  assert(r == ObjectMonitor::OM_OK, "raw_notifyAll should have worked");
-  if (r != ObjectMonitor::OM_OK) {  // robustness
-    return JVMTI_ERROR_INTERNAL;
-  }
-
   return JVMTI_ERROR_NONE;
 } /* end RawMonitorNotifyAll */
 
--- a/src/hotspot/share/prims/jvmtiEnvBase.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/jvmtiEnvBase.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -659,10 +659,9 @@
     // thread is not doing an Object.wait() call
     mon = java_thread->current_pending_monitor();
     if (mon != NULL) {
-      // The thread is trying to enter() or raw_enter() an ObjectMonitor.
+      // The thread is trying to enter() an ObjectMonitor.
       obj = (oop)mon->object();
-      // If obj == NULL, then ObjectMonitor is raw which doesn't count
-      // as contended for this API
+      assert(obj != NULL, "ObjectMonitor should have a valid object!");
     }
     // implied else: no contended ObjectMonitor
   } else {
--- a/src/hotspot/share/prims/jvmtiExport.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/jvmtiExport.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1202,6 +1202,7 @@
 bool              JvmtiExport::_can_post_method_exit                      = false;
 bool              JvmtiExport::_can_pop_frame                             = false;
 bool              JvmtiExport::_can_force_early_return                    = false;
+bool              JvmtiExport::_can_get_owned_monitor_info                = false;
 
 bool              JvmtiExport::_early_vmstart_recorded                    = false;
 
--- a/src/hotspot/share/prims/jvmtiExport.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/jvmtiExport.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -91,6 +91,7 @@
   JVMTI_SUPPORT_FLAG(can_force_early_return)
 
   JVMTI_SUPPORT_FLAG(early_vmstart_recorded)
+  JVMTI_SUPPORT_FLAG(can_get_owned_monitor_info) // includes can_get_owned_monitor_stack_depth_info
 
   friend class JvmtiEventControllerPrivate;  // should only modify these flags
   JVMTI_SUPPORT_FLAG(should_post_single_step)
--- a/src/hotspot/share/prims/jvmtiManageCapabilities.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/jvmtiManageCapabilities.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -367,6 +367,8 @@
   JvmtiExport::set_can_pop_frame(avail.can_pop_frame);
   JvmtiExport::set_can_force_early_return(avail.can_force_early_return);
   JvmtiExport::set_should_clean_up_heap_objects(avail.can_generate_breakpoint_events);
+  JvmtiExport::set_can_get_owned_monitor_info(avail.can_get_owned_monitor_info ||
+                                              avail.can_get_owned_monitor_stack_depth_info);
 }
 
 #ifndef PRODUCT
--- a/src/hotspot/share/prims/jvmtiRawMonitor.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/jvmtiRawMonitor.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -30,21 +30,23 @@
 #include "runtime/orderAccess.hpp"
 #include "runtime/thread.inline.hpp"
 
-GrowableArray<JvmtiRawMonitor*> *JvmtiPendingMonitors::_monitors = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<JvmtiRawMonitor*>(1,true);
+JvmtiRawMonitor::QNode::QNode(Thread* thread) : _next(NULL), _prev(NULL),
+                                                _event(thread->_ParkEvent),
+                                                _notified(0), _t_state(TS_RUN) {
+}
+
+GrowableArray<JvmtiRawMonitor*>* JvmtiPendingMonitors::_monitors =
+  new (ResourceObj::C_HEAP, mtInternal) GrowableArray<JvmtiRawMonitor*>(1, true);
 
 void JvmtiPendingMonitors::transition_raw_monitors() {
   assert((Threads::number_of_threads()==1),
-         "Java thread has not created yet or more than one java thread \
-is running. Raw monitor transition will not work");
-  JavaThread *current_java_thread = JavaThread::current();
+         "Java thread has not been created yet or more than one java thread "
+         "is running. Raw monitor transition will not work");
+  JavaThread* current_java_thread = JavaThread::current();
   assert(current_java_thread->thread_state() == _thread_in_vm, "Must be in vm");
-  {
-    ThreadBlockInVM __tbivm(current_java_thread);
-    for(int i=0; i< count(); i++) {
-      JvmtiRawMonitor *rmonitor = monitors()->at(i);
-      int r = rmonitor->raw_enter(current_java_thread);
-      assert(r == ObjectMonitor::OM_OK, "raw_enter should have worked");
-    }
+  for (int i = 0; i < count(); i++) {
+    JvmtiRawMonitor* rmonitor = monitors()->at(i);
+    rmonitor->raw_enter(current_java_thread);
   }
   // pending monitors are converted to real monitor so delete them all.
   dispose();
@@ -54,13 +56,16 @@
 // class JvmtiRawMonitor
 //
 
-JvmtiRawMonitor::JvmtiRawMonitor(const char *name) {
+JvmtiRawMonitor::JvmtiRawMonitor(const char* name) : _owner(NULL),
+                                                     _recursions(0),
+                                                     _entry_list(NULL),
+                                                     _wait_set(NULL),
+                                                     _waiters(0),
+                                                     _magic(JVMTI_RM_MAGIC),
+                                                     _name(NULL) {
 #ifdef ASSERT
   _name = strcpy(NEW_C_HEAP_ARRAY(char, strlen(name) + 1, mtInternal), name);
-#else
-  _name = NULL;
 #endif
-  _magic = JVMTI_RM_MAGIC;
 }
 
 JvmtiRawMonitor::~JvmtiRawMonitor() {
@@ -100,181 +105,179 @@
 }
 
 // -------------------------------------------------------------------------
-// The raw monitor subsystem is entirely distinct from normal
-// java-synchronization or jni-synchronization.  raw monitors are not
+// The JVMTI raw monitor subsystem is entirely distinct from normal
+// java-synchronization or jni-synchronization.  JVMTI raw monitors are not
 // associated with objects.  They can be implemented in any manner
 // that makes sense.  The original implementors decided to piggy-back
-// the raw-monitor implementation on the existing Java objectMonitor mechanism.
-// This flaw needs to fixed.  We should reimplement raw monitors as sui-generis.
-// Specifically, we should not implement raw monitors via java monitors.
-// Time permitting, we should disentangle and deconvolve the two implementations
-// and move the resulting raw monitor implementation over to the JVMTI directories.
-// Ideally, the raw monitor implementation would be built on top of
-// park-unpark and nothing else.
-//
-// raw monitors are used mainly by JVMTI
-// The raw monitor implementation borrows the ObjectMonitor structure,
-// but the operators are degenerate and extremely simple.
-//
-// Mixed use of a single objectMonitor instance -- as both a raw monitor
-// and a normal java monitor -- is not permissible.
+// the raw-monitor implementation on the existing Java ObjectMonitor mechanism.
+// Now we just use a simplified form of that ObjectMonitor code.
 //
 // Note that we use the single RawMonitor_lock to protect queue operations for
 // _all_ raw monitors.  This is a scalability impediment, but since raw monitor usage
-// is deprecated and rare, this is not of concern.  The RawMonitor_lock can not
+// is fairly rare, this is not of concern.  The RawMonitor_lock can not
 // be held indefinitely.  The critical sections must be short and bounded.
 //
 // -------------------------------------------------------------------------
 
-int JvmtiRawMonitor::SimpleEnter (Thread * Self) {
+void JvmtiRawMonitor::simple_enter(Thread* self) {
   for (;;) {
-    if (Atomic::replace_if_null(Self, &_owner)) {
-       return OS_OK ;
+    if (Atomic::replace_if_null(self, &_owner)) {
+      return;
     }
 
-    ObjectWaiter Node (Self) ;
-    Self->_ParkEvent->reset() ;     // strictly optional
-    Node.TState = ObjectWaiter::TS_ENTER ;
+    QNode node(self);
+    self->_ParkEvent->reset();     // strictly optional
+    node._t_state = QNode::TS_ENTER;
 
-    RawMonitor_lock->lock_without_safepoint_check() ;
-    Node._next  = _EntryList ;
-    _EntryList  = &Node ;
-    OrderAccess::fence() ;
-    if (_owner == NULL && Atomic::replace_if_null(Self, &_owner)) {
-        _EntryList = Node._next ;
-        RawMonitor_lock->unlock() ;
-        return OS_OK ;
+    RawMonitor_lock->lock_without_safepoint_check();
+    node._next = _entry_list;
+    _entry_list = &node;
+    OrderAccess::fence();
+    if (_owner == NULL && Atomic::replace_if_null(self, &_owner)) {
+      _entry_list = node._next;
+      RawMonitor_lock->unlock();
+      return;
     }
-    RawMonitor_lock->unlock() ;
-    while (Node.TState == ObjectWaiter::TS_ENTER) {
-       Self->_ParkEvent->park() ;
+    RawMonitor_lock->unlock();
+    while (node._t_state == QNode::TS_ENTER) {
+      self->_ParkEvent->park();
     }
   }
 }
 
-int JvmtiRawMonitor::SimpleExit (Thread * Self) {
-  guarantee (_owner == Self, "invariant") ;
-  OrderAccess::release_store(&_owner, (void*)NULL) ;
-  OrderAccess::fence() ;
-  if (_EntryList == NULL) return OS_OK ;
-  ObjectWaiter * w ;
+void JvmtiRawMonitor::simple_exit(Thread* self) {
+  guarantee(_owner == self, "invariant");
+  OrderAccess::release_store(&_owner, (Thread*)NULL);
+  OrderAccess::fence();
+  if (_entry_list == NULL) {
+    return;
+  }
 
-  RawMonitor_lock->lock_without_safepoint_check() ;
-  w = _EntryList ;
+  RawMonitor_lock->lock_without_safepoint_check();
+  QNode* w = _entry_list;
   if (w != NULL) {
-      _EntryList = w->_next ;
+    _entry_list = w->_next;
   }
-  RawMonitor_lock->unlock() ;
+  RawMonitor_lock->unlock();
   if (w != NULL) {
-      guarantee (w ->TState == ObjectWaiter::TS_ENTER, "invariant") ;
-      // Once we set TState to TS_RUN the waiting thread can complete
-      // SimpleEnter and 'w' is pointing into random stack space. So we have
-      // to ensure we extract the ParkEvent (which is in type-stable memory)
-      // before we set the state, and then don't access 'w'.
-      ParkEvent * ev = w->_event ;
-      OrderAccess::loadstore();
-      w->TState = ObjectWaiter::TS_RUN ;
-      OrderAccess::fence() ;
-      ev->unpark() ;
+    guarantee(w ->_t_state == QNode::TS_ENTER, "invariant");
+    // Once we set _t_state to TS_RUN the waiting thread can complete
+    // simple_enter and 'w' is pointing into random stack space. So we have
+    // to ensure we extract the ParkEvent (which is in type-stable memory)
+    // before we set the state, and then don't access 'w'.
+    ParkEvent* ev = w->_event;
+    OrderAccess::loadstore();
+    w->_t_state = QNode::TS_RUN;
+    OrderAccess::fence();
+    ev->unpark();
   }
-  return OS_OK ;
+  return;
 }
 
-int JvmtiRawMonitor::SimpleWait (Thread * Self, jlong millis) {
-  guarantee (_owner == Self  , "invariant") ;
-  guarantee (_recursions == 0, "invariant") ;
+int JvmtiRawMonitor::simple_wait(Thread* self, jlong millis) {
+  guarantee(_owner == self  , "invariant");
+  guarantee(_recursions == 0, "invariant");
 
-  ObjectWaiter Node (Self) ;
-  Node._notified = 0 ;
-  Node.TState    = ObjectWaiter::TS_WAIT ;
+  QNode node(self);
+  node._notified = 0;
+  node._t_state = QNode::TS_WAIT;
 
-  RawMonitor_lock->lock_without_safepoint_check() ;
-  Node._next     = _WaitSet ;
-  _WaitSet       = &Node ;
-  RawMonitor_lock->unlock() ;
+  RawMonitor_lock->lock_without_safepoint_check();
+  node._next = _wait_set;
+  _wait_set = &node;
+  RawMonitor_lock->unlock();
 
-  SimpleExit (Self) ;
-  guarantee (_owner != Self, "invariant") ;
+  simple_exit(self);
+  guarantee(_owner != self, "invariant");
 
-  int ret = OS_OK ;
+  int ret = OS_OK;
   if (millis <= 0) {
-    Self->_ParkEvent->park();
+    self->_ParkEvent->park();
   } else {
-    ret = Self->_ParkEvent->park(millis);
+    ret = self->_ParkEvent->park(millis);
   }
 
   // If thread still resides on the waitset then unlink it.
   // Double-checked locking -- the usage is safe in this context
-  // as TState is volatile and the lock-unlock operators are
+  // as _t_state is volatile and the lock-unlock operators are
   // serializing (barrier-equivalent).
 
-  if (Node.TState == ObjectWaiter::TS_WAIT) {
-    RawMonitor_lock->lock_without_safepoint_check() ;
-    if (Node.TState == ObjectWaiter::TS_WAIT) {
+  if (node._t_state == QNode::TS_WAIT) {
+    RawMonitor_lock->lock_without_safepoint_check();
+    if (node._t_state == QNode::TS_WAIT) {
       // Simple O(n) unlink, but performance isn't critical here.
-      ObjectWaiter * p ;
-      ObjectWaiter * q = NULL ;
-      for (p = _WaitSet ; p != &Node; p = p->_next) {
-         q = p ;
+      QNode* p;
+      QNode* q = NULL;
+      for (p = _wait_set; p != &node; p = p->_next) {
+        q = p;
       }
-      guarantee (p == &Node, "invariant") ;
+      guarantee(p == &node, "invariant");
       if (q == NULL) {
-        guarantee (p == _WaitSet, "invariant") ;
-        _WaitSet = p->_next ;
+        guarantee (p == _wait_set, "invariant");
+        _wait_set = p->_next;
       } else {
-        guarantee (p == q->_next, "invariant") ;
-        q->_next = p->_next ;
+        guarantee(p == q->_next, "invariant");
+        q->_next = p->_next;
       }
-      Node.TState = ObjectWaiter::TS_RUN ;
+      node._t_state = QNode::TS_RUN;
     }
-    RawMonitor_lock->unlock() ;
+    RawMonitor_lock->unlock();
   }
 
-  guarantee (Node.TState == ObjectWaiter::TS_RUN, "invariant") ;
-  SimpleEnter (Self) ;
+  guarantee(node._t_state == QNode::TS_RUN, "invariant");
+  simple_enter(self);
 
-  guarantee (_owner == Self, "invariant") ;
-  guarantee (_recursions == 0, "invariant") ;
-  return ret ;
+  guarantee(_owner == self, "invariant");
+  guarantee(_recursions == 0, "invariant");
+  return ret;
 }
 
-int JvmtiRawMonitor::SimpleNotify (Thread * Self, bool All) {
-  guarantee (_owner == Self, "invariant") ;
-  if (_WaitSet == NULL) return OS_OK ;
+void JvmtiRawMonitor::simple_notify(Thread* self, bool all) {
+  guarantee(_owner == self, "invariant");
+  if (_wait_set == NULL) {
+    return;
+  }
 
   // We have two options:
-  // A. Transfer the threads from the WaitSet to the EntryList
-  // B. Remove the thread from the WaitSet and unpark() it.
+  // A. Transfer the threads from the _wait_set to the _entry_list
+  // B. Remove the thread from the _wait_set and unpark() it.
   //
   // We use (B), which is crude and results in lots of futile
   // context switching.  In particular (B) induces lots of contention.
 
-  ParkEvent * ev = NULL ;       // consider using a small auto array ...
-  RawMonitor_lock->lock_without_safepoint_check() ;
+  ParkEvent* ev = NULL;       // consider using a small auto array ...
+  RawMonitor_lock->lock_without_safepoint_check();
   for (;;) {
-      ObjectWaiter * w = _WaitSet ;
-      if (w == NULL) break ;
-      _WaitSet = w->_next ;
-      if (ev != NULL) { ev->unpark(); ev = NULL; }
-      ev = w->_event ;
-      OrderAccess::loadstore() ;
-      w->TState = ObjectWaiter::TS_RUN ;
-      OrderAccess::storeload();
-      if (!All) break ;
+    QNode* w = _wait_set;
+    if (w == NULL) break;
+    _wait_set = w->_next;
+    if (ev != NULL) {
+      ev->unpark();
+      ev = NULL;
+    }
+    ev = w->_event;
+    OrderAccess::loadstore();
+    w->_t_state = QNode::TS_RUN;
+    OrderAccess::storeload();
+    if (!all) {
+      break;
+    }
   }
-  RawMonitor_lock->unlock() ;
-  if (ev != NULL) ev->unpark();
-  return OS_OK ;
+  RawMonitor_lock->unlock();
+  if (ev != NULL) {
+    ev->unpark();
+  }
+  return;
 }
 
 // Any JavaThread will enter here with state _thread_blocked
-int JvmtiRawMonitor::raw_enter(TRAPS) {
-  void * Contended ;
-
+void JvmtiRawMonitor::raw_enter(Thread* self) {
+  void* contended;
+  JavaThread* jt = NULL;
   // don't enter raw monitor if thread is being externally suspended, it will
   // surprise the suspender if a "suspended" thread can still enter monitor
-  JavaThread * jt = (JavaThread *)THREAD;
-  if (THREAD->is_Java_thread()) {
+  if (self->is_Java_thread()) {
+    jt = (JavaThread*)self;
     jt->SR_lock()->lock_without_safepoint_check();
     while (jt->is_external_suspend()) {
       jt->SR_lock()->unlock();
@@ -282,150 +285,140 @@
       jt->SR_lock()->lock_without_safepoint_check();
     }
     // guarded by SR_lock to avoid racing with new external suspend requests.
-    Contended = Atomic::cmpxchg(THREAD, &_owner, (void*)NULL);
+    contended = Atomic::cmpxchg(jt, &_owner, (Thread*)NULL);
     jt->SR_lock()->unlock();
   } else {
-    Contended = Atomic::cmpxchg(THREAD, &_owner, (void*)NULL);
+    contended = Atomic::cmpxchg(self, &_owner, (Thread*)NULL);
   }
 
-  if (Contended == THREAD) {
-     _recursions ++ ;
-     return OM_OK ;
+  if (contended == self) {
+    _recursions++;
+    return;
   }
 
-  if (Contended == NULL) {
-     guarantee (_owner == THREAD, "invariant") ;
-     guarantee (_recursions == 0, "invariant") ;
-     return OM_OK ;
+  if (contended == NULL) {
+    guarantee(_owner == self, "invariant");
+    guarantee(_recursions == 0, "invariant");
+    return;
   }
 
-  THREAD->set_current_pending_monitor(this);
-
-  if (!THREAD->is_Java_thread()) {
-     // No other non-Java threads besides VM thread would acquire
-     // a raw monitor.
-     assert(THREAD->is_VM_thread(), "must be VM thread");
-     SimpleEnter (THREAD) ;
-   } else {
-     guarantee (jt->thread_state() == _thread_blocked, "invariant") ;
-     for (;;) {
-       jt->set_suspend_equivalent();
-       // cleared by handle_special_suspend_equivalent_condition() or
-       // java_suspend_self()
-       SimpleEnter (THREAD) ;
-
-       // were we externally suspended while we were waiting?
-       if (!jt->handle_special_suspend_equivalent_condition()) break ;
+  self->set_current_pending_raw_monitor(this);
 
-       // This thread was externally suspended
-       //
-       // This logic isn't needed for JVMTI raw monitors,
-       // but doesn't hurt just in case the suspend rules change. This
-           // logic is needed for the JvmtiRawMonitor.wait() reentry phase.
-           // We have reentered the contended monitor, but while we were
-           // waiting another thread suspended us. We don't want to reenter
-           // the monitor while suspended because that would surprise the
-           // thread that suspended us.
-           //
-           // Drop the lock -
-       SimpleExit (THREAD) ;
-
-           jt->java_suspend_self();
-         }
-
-     assert(_owner == THREAD, "Fatal error with monitor owner!");
-     assert(_recursions == 0, "Fatal error with monitor recursions!");
-  }
+  if (!self->is_Java_thread()) {
+    simple_enter(self);
+  } else {
+    guarantee(jt->thread_state() == _thread_blocked, "invariant");
+    for (;;) {
+      jt->set_suspend_equivalent();
+      // cleared by handle_special_suspend_equivalent_condition() or
+      // java_suspend_self()
+      simple_enter(jt);
 
-  THREAD->set_current_pending_monitor(NULL);
-  guarantee (_recursions == 0, "invariant") ;
-  return OM_OK;
-}
-
-// Used mainly for JVMTI raw monitor implementation
-// Also used for JvmtiRawMonitor::wait().
-int JvmtiRawMonitor::raw_exit(TRAPS) {
-  if (THREAD != _owner) {
-    return OM_ILLEGAL_MONITOR_STATE;
-  }
-  if (_recursions > 0) {
-    --_recursions ;
-    return OM_OK ;
-  }
-
-  void * List = _EntryList ;
-  SimpleExit (THREAD) ;
+      // were we externally suspended while we were waiting?
+      if (!jt->handle_special_suspend_equivalent_condition()) {
+        break;
+      }
 
-  return OM_OK;
-}
-
-// Used for JVMTI raw monitor implementation.
-// All JavaThreads will enter here with state _thread_blocked
-
-int JvmtiRawMonitor::raw_wait(jlong millis, bool interruptible, TRAPS) {
-  if (THREAD != _owner) {
-    return OM_ILLEGAL_MONITOR_STATE;
-  }
+      // This thread was externally suspended
+      // We have reentered the contended monitor, but while we were
+      // waiting another thread suspended us. We don't want to reenter
+      // the monitor while suspended because that would surprise the
+      // thread that suspended us.
+      //
+      // Drop the lock
+      simple_exit(jt);
 
-  // To avoid spurious wakeups we reset the parkevent -- This is strictly optional.
-  // The caller must be able to tolerate spurious returns from raw_wait().
-  THREAD->_ParkEvent->reset() ;
-  OrderAccess::fence() ;
-
-  // check interrupt event
-  if (interruptible) {
-    assert(THREAD->is_Java_thread(), "Only JavaThreads can be interruptible");
-    JavaThread* jt = (JavaThread*) THREAD;
-    if (jt->is_interrupted(true)) {
-      return OM_INTERRUPTED;
+      jt->java_suspend_self();
     }
   }
 
-  intptr_t save = _recursions ;
-  _recursions = 0 ;
-  _waiters ++ ;
-  if (THREAD->is_Java_thread()) {
-    guarantee (((JavaThread *) THREAD)->thread_state() == _thread_blocked, "invariant") ;
-    ((JavaThread *)THREAD)->set_suspend_equivalent();
-  }
-  int rv = SimpleWait (THREAD, millis) ;
-  _recursions = save ;
-  _waiters -- ;
+  self->set_current_pending_raw_monitor(NULL);
+
+  guarantee(_owner == self, "invariant");
+  guarantee(_recursions == 0, "invariant");
+}
 
-  guarantee (THREAD == _owner, "invariant") ;
-  if (THREAD->is_Java_thread()) {
-     JavaThread * jSelf = (JavaThread *) THREAD ;
-     for (;;) {
-        if (!jSelf->handle_special_suspend_equivalent_condition()) break ;
-        SimpleExit (THREAD) ;
-        jSelf->java_suspend_self();
-        SimpleEnter (THREAD) ;
-        jSelf->set_suspend_equivalent() ;
-     }
+int JvmtiRawMonitor::raw_exit(Thread* self) {
+  if (self != _owner) {
+    return M_ILLEGAL_MONITOR_STATE;
   }
-  guarantee (THREAD == _owner, "invariant") ;
+  if (_recursions > 0) {
+    _recursions--;
+  } else {
+    simple_exit(self);
+  }
 
-  if (interruptible) {
-    JavaThread* jt = (JavaThread*) THREAD;
-    if (jt->is_interrupted(true)) {
-      return OM_INTERRUPTED;
-    }
-  }
-  return OM_OK ;
+  return M_OK;
 }
 
-int JvmtiRawMonitor::raw_notify(TRAPS) {
-  if (THREAD != _owner) {
-    return OM_ILLEGAL_MONITOR_STATE;
+// All JavaThreads will enter here with state _thread_blocked
+
+int JvmtiRawMonitor::raw_wait(jlong millis, bool interruptible, Thread* self) {
+  if (self != _owner) {
+    return M_ILLEGAL_MONITOR_STATE;
+  }
+
+  // To avoid spurious wakeups we reset the parkevent. This is strictly optional.
+  // The caller must be able to tolerate spurious returns from raw_wait().
+  self->_ParkEvent->reset();
+  OrderAccess::fence();
+
+  JavaThread* jt = NULL;
+  // check interrupt event
+  if (interruptible) {
+    assert(self->is_Java_thread(), "Only JavaThreads can be interruptible");
+    jt = (JavaThread*)self;
+    if (jt->is_interrupted(true)) {
+      return M_INTERRUPTED;
+    }
+  } else {
+    assert(!self->is_Java_thread(), "JavaThreads must be interuptible");
   }
-  SimpleNotify (THREAD, false) ;
-  return OM_OK;
+
+  intptr_t save = _recursions;
+  _recursions = 0;
+  _waiters++;
+  if (self->is_Java_thread()) {
+    guarantee(jt->thread_state() == _thread_blocked, "invariant");
+    jt->set_suspend_equivalent();
+  }
+  int rv = simple_wait(self, millis);
+  _recursions = save;
+  _waiters--;
+
+  guarantee(self == _owner, "invariant");
+  if (self->is_Java_thread()) {
+    for (;;) {
+      if (!jt->handle_special_suspend_equivalent_condition()) {
+        break;
+      }
+      simple_exit(jt);
+      jt->java_suspend_self();
+      simple_enter(jt);
+      jt->set_suspend_equivalent();
+    }
+    guarantee(jt == _owner, "invariant");
+  }
+
+  if (interruptible && jt->is_interrupted(true)) {
+    return M_INTERRUPTED;
+  }
+
+  return M_OK;
 }
 
-int JvmtiRawMonitor::raw_notifyAll(TRAPS) {
-  if (THREAD != _owner) {
-    return OM_ILLEGAL_MONITOR_STATE;
+int JvmtiRawMonitor::raw_notify(Thread* self) {
+  if (self != _owner) {
+    return M_ILLEGAL_MONITOR_STATE;
   }
-  SimpleNotify (THREAD, true) ;
-  return OM_OK;
+  simple_notify(self, false);
+  return M_OK;
 }
+
+int JvmtiRawMonitor::raw_notifyAll(Thread* self) {
+  if (self != _owner) {
+    return M_ILLEGAL_MONITOR_STATE;
+  }
+  simple_notify(self, true);
+  return M_OK;
+}
--- a/src/hotspot/share/prims/jvmtiRawMonitor.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/jvmtiRawMonitor.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -25,7 +25,8 @@
 #ifndef SHARE_PRIMS_JVMTIRAWMONITOR_HPP
 #define SHARE_PRIMS_JVMTIRAWMONITOR_HPP
 
-#include "runtime/objectMonitor.hpp"
+#include "memory/allocation.hpp"
+#include "runtime/park.hpp"
 #include "utilities/growableArray.hpp"
 
 //
@@ -33,32 +34,70 @@
 //
 // Used by JVMTI methods: All RawMonitor methods (CreateRawMonitor, EnterRawMonitor, etc.)
 //
-// Wrapper for ObjectMonitor class that saves the Monitor's name
+// A simplified version of the ObjectMonitor code.
 //
 
-class JvmtiRawMonitor : public ObjectMonitor  {
-private:
-  int           _magic;
-  char *        _name;
+class JvmtiRawMonitor : public CHeapObj<mtSynchronizer>  {
+
+  // Helper class to allow Threads to be linked into queues.
+  // This is a stripped down version of ObjectWaiter.
+  class QNode : public StackObj {
+    friend class JvmtiRawMonitor;
+    enum TStates { TS_READY, TS_RUN, TS_WAIT, TS_ENTER };
+    QNode* volatile _next;
+    QNode* volatile _prev;
+    ParkEvent* _event;
+    volatile int _notified;
+    volatile TStates _t_state;
+
+    QNode(Thread* thread);
+  };
+
+  Thread* volatile _owner;      // pointer to owning thread
+  volatile int _recursions;     // recursion count, 0 for first entry
+  QNode* volatile _entry_list;  // Threads blocked on entry or reentry.
+                                // The list is actually composed of nodes,
+                                // acting as proxies for Threads.
+  QNode* volatile _wait_set;    // Threads wait()ing on the monitor
+  volatile jint _waiters;       // number of waiting threads
+  int _magic;
+  char* _name;
   // JVMTI_RM_MAGIC is set in contructor and unset in destructor.
   enum { JVMTI_RM_MAGIC = (int)(('T' << 24) | ('I' << 16) | ('R' << 8) | 'M') };
 
-  int       SimpleEnter (Thread * Self) ;
-  int       SimpleExit  (Thread * Self) ;
-  int       SimpleWait  (Thread * Self, jlong millis) ;
-  int       SimpleNotify (Thread * Self, bool All) ;
+  void simple_enter(Thread* self);
+  void simple_exit(Thread* self);
+  int simple_wait(Thread* self, jlong millis);
+  void simple_notify(Thread* self, bool all);
+
+ public:
 
-public:
-  JvmtiRawMonitor(const char *name);
+  // return codes
+  enum {
+    M_OK,                    // no error
+    M_ILLEGAL_MONITOR_STATE, // IllegalMonitorStateException
+    M_INTERRUPTED            // Thread.interrupt()
+  };
+
+  // Non-aborting operator new
+  void* operator new(size_t size) throw() {
+    return CHeapObj::operator new(size, std::nothrow);
+  }
+
+  JvmtiRawMonitor(const char* name);
   ~JvmtiRawMonitor();
-  int       raw_enter(TRAPS);
-  int       raw_exit(TRAPS);
-  int       raw_wait(jlong millis, bool interruptable, TRAPS);
-  int       raw_notify(TRAPS);
-  int       raw_notifyAll(TRAPS);
-  int            magic()   { return _magic;  }
-  const char *get_name()   { return _name; }
-  bool        is_valid();
+
+  Thread* owner() const { return _owner; }
+  void set_owner(Thread* owner) { _owner = owner; }
+  int recursions() const { return _recursions; }
+  void raw_enter(Thread* self);
+  int raw_exit(Thread* self);
+  int raw_wait(jlong millis, bool interruptible, Thread* self);
+  int raw_notify(Thread* self);
+  int raw_notifyAll(Thread* self);
+  int magic() const { return _magic; }
+  const char* get_name() const { return _name; }
+  bool is_valid();
 };
 
 // Onload pending raw monitors
@@ -67,8 +106,8 @@
 // VM is fully initialized.
 class JvmtiPendingMonitors : public AllStatic {
 
-private:
-  static GrowableArray<JvmtiRawMonitor*> *_monitors; // Cache raw monitor enter
+ private:
+  static GrowableArray<JvmtiRawMonitor*>* _monitors; // Cache raw monitor enter
 
   inline static GrowableArray<JvmtiRawMonitor*>* monitors() { return _monitors; }
 
@@ -76,8 +115,8 @@
     delete monitors();
   }
 
-public:
-  static void enter(JvmtiRawMonitor *monitor) {
+ public:
+  static void enter(JvmtiRawMonitor* monitor) {
     monitors()->append(monitor);
   }
 
@@ -85,14 +124,14 @@
     return monitors()->length();
   }
 
-  static void destroy(JvmtiRawMonitor *monitor) {
+  static void destroy(JvmtiRawMonitor* monitor) {
     while (monitors()->contains(monitor)) {
       monitors()->remove(monitor);
     }
   }
 
   // Return false if monitor is not found in the list.
-  static bool exit(JvmtiRawMonitor *monitor) {
+  static bool exit(JvmtiRawMonitor* monitor) {
     if (monitors()->contains(monitor)) {
       monitors()->remove(monitor);
       return true;
--- a/src/hotspot/share/prims/methodHandles.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/methodHandles.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -41,7 +41,6 @@
 #include "oops/oop.inline.hpp"
 #include "oops/typeArrayOop.inline.hpp"
 #include "prims/methodHandles.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/fieldDescriptor.inline.hpp"
 #include "runtime/handles.inline.hpp"
--- a/src/hotspot/share/prims/whitebox.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/prims/whitebox.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 #include "classfile/stringTable.hpp"
 #include "classfile/symbolTable.hpp"
 #include "code/codeCache.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "compiler/methodMatcher.hpp"
 #include "compiler/directivesParser.hpp"
 #include "gc/shared/gcConfig.hpp"
@@ -58,7 +59,6 @@
 #include "prims/wbtestmethods/parserTests.hpp"
 #include "prims/whitebox.inline.hpp"
 #include "runtime/arguments.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/fieldDescriptor.inline.hpp"
 #include "runtime/flags/jvmFlag.hpp"
--- a/src/hotspot/share/runtime/compilationPolicy.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,506 +0,0 @@
-/*
- * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "classfile/classLoaderDataGraph.inline.hpp"
-#include "code/compiledIC.hpp"
-#include "code/nmethod.hpp"
-#include "code/scopeDesc.hpp"
-#include "interpreter/interpreter.hpp"
-#include "memory/resourceArea.hpp"
-#include "oops/methodData.hpp"
-#include "oops/method.inline.hpp"
-#include "oops/oop.inline.hpp"
-#include "prims/nativeLookup.hpp"
-#include "runtime/compilationPolicy.hpp"
-#include "runtime/frame.hpp"
-#include "runtime/handles.inline.hpp"
-#include "runtime/stubRoutines.hpp"
-#include "runtime/thread.hpp"
-#include "runtime/tieredThresholdPolicy.hpp"
-#include "runtime/vframe.hpp"
-#include "runtime/vmOperations.hpp"
-#include "utilities/events.hpp"
-#include "utilities/globalDefinitions.hpp"
-
-#ifdef COMPILER1
-#include "c1/c1_Compiler.hpp"
-#endif
-#ifdef COMPILER2
-#include "opto/c2compiler.hpp"
-#endif
-
-CompilationPolicy* CompilationPolicy::_policy;
-
-// Determine compilation policy based on command line argument
-void compilationPolicy_init() {
-  #ifdef TIERED
-  if (TieredCompilation) {
-    CompilationPolicy::set_policy(new TieredThresholdPolicy());
-  } else {
-    CompilationPolicy::set_policy(new SimpleCompPolicy());
-  }
-  #else
-  CompilationPolicy::set_policy(new SimpleCompPolicy());
-  #endif
-
-  CompilationPolicy::policy()->initialize();
-}
-
-// Returns true if m must be compiled before executing it
-// This is intended to force compiles for methods (usually for
-// debugging) that would otherwise be interpreted for some reason.
-bool CompilationPolicy::must_be_compiled(const methodHandle& m, int comp_level) {
-  // Don't allow Xcomp to cause compiles in replay mode
-  if (ReplayCompiles) return false;
-
-  if (m->has_compiled_code()) return false;       // already compiled
-  if (!can_be_compiled(m, comp_level)) return false;
-
-  return !UseInterpreter ||                                              // must compile all methods
-         (UseCompiler && AlwaysCompileLoopMethods && m->has_loops() && CompileBroker::should_compile_new_jobs()); // eagerly compile loop methods
-}
-
-void CompilationPolicy::compile_if_required(const methodHandle& selected_method, TRAPS) {
-  if (must_be_compiled(selected_method)) {
-    // This path is unusual, mostly used by the '-Xcomp' stress test mode.
-
-    // Note: with several active threads, the must_be_compiled may be true
-    //       while can_be_compiled is false; remove assert
-    // assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile");
-    if (!THREAD->can_call_java() || THREAD->is_Compiler_thread()) {
-      // don't force compilation, resolve was on behalf of compiler
-      return;
-    }
-    if (selected_method->method_holder()->is_not_initialized()) {
-      // 'is_not_initialized' means not only '!is_initialized', but also that
-      // initialization has not been started yet ('!being_initialized')
-      // Do not force compilation of methods in uninitialized classes.
-      // Note that doing this would throw an assert later,
-      // in CompileBroker::compile_method.
-      // We sometimes use the link resolver to do reflective lookups
-      // even before classes are initialized.
-      return;
-    }
-    CompileBroker::compile_method(selected_method, InvocationEntryBci,
-        CompilationPolicy::policy()->initial_compile_level(),
-        methodHandle(), 0, CompileTask::Reason_MustBeCompiled, CHECK);
-  }
-}
-
-// Returns true if m is allowed to be compiled
-bool CompilationPolicy::can_be_compiled(const methodHandle& m, int comp_level) {
-  // allow any levels for WhiteBox
-  assert(WhiteBoxAPI || comp_level == CompLevel_all || is_compile(comp_level), "illegal compilation level");
-
-  if (m->is_abstract()) return false;
-  if (DontCompileHugeMethods && m->code_size() > HugeMethodLimit) return false;
-
-  // Math intrinsics should never be compiled as this can lead to
-  // monotonicity problems because the interpreter will prefer the
-  // compiled code to the intrinsic version.  This can't happen in
-  // production because the invocation counter can't be incremented
-  // but we shouldn't expose the system to this problem in testing
-  // modes.
-  if (!AbstractInterpreter::can_be_compiled(m)) {
-    return false;
-  }
-  if (comp_level == CompLevel_all) {
-    if (TieredCompilation) {
-      // enough to be compilable at any level for tiered
-      return !m->is_not_compilable(CompLevel_simple) || !m->is_not_compilable(CompLevel_full_optimization);
-    } else {
-      // must be compilable at available level for non-tiered
-      return !m->is_not_compilable(CompLevel_highest_tier);
-    }
-  } else if (is_compile(comp_level)) {
-    return !m->is_not_compilable(comp_level);
-  }
-  return false;
-}
-
-// Returns true if m is allowed to be osr compiled
-bool CompilationPolicy::can_be_osr_compiled(const methodHandle& m, int comp_level) {
-  bool result = false;
-  if (comp_level == CompLevel_all) {
-    if (TieredCompilation) {
-      // enough to be osr compilable at any level for tiered
-      result = !m->is_not_osr_compilable(CompLevel_simple) || !m->is_not_osr_compilable(CompLevel_full_optimization);
-    } else {
-      // must be osr compilable at available level for non-tiered
-      result = !m->is_not_osr_compilable(CompLevel_highest_tier);
-    }
-  } else if (is_compile(comp_level)) {
-    result = !m->is_not_osr_compilable(comp_level);
-  }
-  return (result && can_be_compiled(m, comp_level));
-}
-
-bool CompilationPolicy::is_compilation_enabled() {
-  // NOTE: CompileBroker::should_compile_new_jobs() checks for UseCompiler
-  return CompileBroker::should_compile_new_jobs();
-}
-
-CompileTask* CompilationPolicy::select_task_helper(CompileQueue* compile_queue) {
-  // Remove unloaded methods from the queue
-  for (CompileTask* task = compile_queue->first(); task != NULL; ) {
-    CompileTask* next = task->next();
-    if (task->is_unloaded()) {
-      compile_queue->remove_and_mark_stale(task);
-    }
-    task = next;
-  }
-#if INCLUDE_JVMCI
-  if (UseJVMCICompiler && !BackgroundCompilation) {
-    /*
-     * In blocking compilation mode, the CompileBroker will make
-     * compilations submitted by a JVMCI compiler thread non-blocking. These
-     * compilations should be scheduled after all blocking compilations
-     * to service non-compiler related compilations sooner and reduce the
-     * chance of such compilations timing out.
-     */
-    for (CompileTask* task = compile_queue->first(); task != NULL; task = task->next()) {
-      if (task->is_blocking()) {
-        return task;
-      }
-    }
-  }
-#endif
-  return compile_queue->first();
-}
-
-#ifndef PRODUCT
-void SimpleCompPolicy::trace_osr_completion(nmethod* osr_nm) {
-  if (TraceOnStackReplacement) {
-    if (osr_nm == NULL) tty->print_cr("compilation failed");
-    else tty->print_cr("nmethod " INTPTR_FORMAT, p2i(osr_nm));
-  }
-}
-#endif // !PRODUCT
-
-void SimpleCompPolicy::initialize() {
-  // Setup the compiler thread numbers
-  if (CICompilerCountPerCPU) {
-    // Example: if CICompilerCountPerCPU is true, then we get
-    // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine.
-    // May help big-app startup time.
-    _compiler_count = MAX2(log2_int(os::active_processor_count())-1,1);
-    // Make sure there is enough space in the code cache to hold all the compiler buffers
-    size_t buffer_size = 1;
-#ifdef COMPILER1
-    buffer_size = is_client_compilation_mode_vm() ? Compiler::code_buffer_size() : buffer_size;
-#endif
-#ifdef COMPILER2
-    buffer_size = is_server_compilation_mode_vm() ? C2Compiler::initial_code_buffer_size() : buffer_size;
-#endif
-    int max_count = (ReservedCodeCacheSize - (CodeCacheMinimumUseSpace DEBUG_ONLY(* 3))) / (int)buffer_size;
-    if (_compiler_count > max_count) {
-      // Lower the compiler count such that all buffers fit into the code cache
-      _compiler_count = MAX2(max_count, 1);
-    }
-    FLAG_SET_ERGO(CICompilerCount, _compiler_count);
-  } else {
-    _compiler_count = CICompilerCount;
-  }
-}
-
-// Note: this policy is used ONLY if TieredCompilation is off.
-// compiler_count() behaves the following way:
-// - with TIERED build (with both COMPILER1 and COMPILER2 defined) it should return
-//   zero for the c1 compilation levels in server compilation mode runs
-//   and c2 compilation levels in client compilation mode runs.
-// - with COMPILER2 not defined it should return zero for c2 compilation levels.
-// - with COMPILER1 not defined it should return zero for c1 compilation levels.
-// - if neither is defined - always return zero.
-int SimpleCompPolicy::compiler_count(CompLevel comp_level) {
-  assert(!TieredCompilation, "This policy should not be used with TieredCompilation");
-  if (COMPILER2_PRESENT(is_server_compilation_mode_vm() && is_c2_compile(comp_level) ||)
-      is_client_compilation_mode_vm() && is_c1_compile(comp_level)) {
-    return _compiler_count;
-  }
-  return 0;
-}
-
-void SimpleCompPolicy::reset_counter_for_invocation_event(const methodHandle& m) {
-  // Make sure invocation and backedge counter doesn't overflow again right away
-  // as would be the case for native methods.
-
-  // BUT also make sure the method doesn't look like it was never executed.
-  // Set carry bit and reduce counter's value to min(count, CompileThreshold/2).
-  MethodCounters* mcs = m->method_counters();
-  assert(mcs != NULL, "MethodCounters cannot be NULL for profiling");
-  mcs->invocation_counter()->set_carry();
-  mcs->backedge_counter()->set_carry();
-
-  assert(!m->was_never_executed(), "don't reset to 0 -- could be mistaken for never-executed");
-}
-
-void SimpleCompPolicy::reset_counter_for_back_branch_event(const methodHandle& m) {
-  // Delay next back-branch event but pump up invocation counter to trigger
-  // whole method compilation.
-  MethodCounters* mcs = m->method_counters();
-  assert(mcs != NULL, "MethodCounters cannot be NULL for profiling");
-  InvocationCounter* i = mcs->invocation_counter();
-  InvocationCounter* b = mcs->backedge_counter();
-
-  // Don't set invocation_counter's value too low otherwise the method will
-  // look like immature (ic < ~5300) which prevents the inlining based on
-  // the type profiling.
-  i->set(i->state(), CompileThreshold);
-  // Don't reset counter too low - it is used to check if OSR method is ready.
-  b->set(b->state(), CompileThreshold / 2);
-}
-
-//
-// CounterDecay
-//
-// Iterates through invocation counters and decrements them. This
-// is done at each safepoint.
-//
-class CounterDecay : public AllStatic {
-  static jlong _last_timestamp;
-  static void do_method(Method* m) {
-    MethodCounters* mcs = m->method_counters();
-    if (mcs != NULL) {
-      mcs->invocation_counter()->decay();
-    }
-  }
-public:
-  static void decay();
-  static bool is_decay_needed() {
-    return (os::javaTimeMillis() - _last_timestamp) > CounterDecayMinIntervalLength;
-  }
-};
-
-jlong CounterDecay::_last_timestamp = 0;
-
-void CounterDecay::decay() {
-  _last_timestamp = os::javaTimeMillis();
-
-  // This operation is going to be performed only at the end of a safepoint
-  // and hence GC's will not be going on, all Java mutators are suspended
-  // at this point and hence SystemDictionary_lock is also not needed.
-  assert(SafepointSynchronize::is_at_safepoint(), "can only be executed at a safepoint");
-  size_t nclasses = ClassLoaderDataGraph::num_instance_classes();
-  size_t classes_per_tick = nclasses * (CounterDecayMinIntervalLength * 1e-3 /
-                                        CounterHalfLifeTime);
-  for (size_t i = 0; i < classes_per_tick; i++) {
-    InstanceKlass* k = ClassLoaderDataGraph::try_get_next_class();
-    if (k != NULL) {
-      k->methods_do(do_method);
-    }
-  }
-}
-
-// Called at the end of the safepoint
-void SimpleCompPolicy::do_safepoint_work() {
-  if(UseCounterDecay && CounterDecay::is_decay_needed()) {
-    CounterDecay::decay();
-  }
-}
-
-void SimpleCompPolicy::reprofile(ScopeDesc* trap_scope, bool is_osr) {
-  ScopeDesc* sd = trap_scope;
-  MethodCounters* mcs;
-  InvocationCounter* c;
-  for (; !sd->is_top(); sd = sd->sender()) {
-    mcs = sd->method()->method_counters();
-    if (mcs != NULL) {
-      // Reset ICs of inlined methods, since they can trigger compilations also.
-      mcs->invocation_counter()->reset();
-    }
-  }
-  mcs = sd->method()->method_counters();
-  if (mcs != NULL) {
-    c = mcs->invocation_counter();
-    if (is_osr) {
-      // It was an OSR method, so bump the count higher.
-      c->set(c->state(), CompileThreshold);
-    } else {
-      c->reset();
-    }
-    mcs->backedge_counter()->reset();
-  }
-}
-
-// This method can be called by any component of the runtime to notify the policy
-// that it's recommended to delay the compilation of this method.
-void SimpleCompPolicy::delay_compilation(Method* method) {
-  MethodCounters* mcs = method->method_counters();
-  if (mcs != NULL) {
-    mcs->invocation_counter()->decay();
-    mcs->backedge_counter()->decay();
-  }
-}
-
-void SimpleCompPolicy::disable_compilation(Method* method) {
-  MethodCounters* mcs = method->method_counters();
-  if (mcs != NULL) {
-    mcs->invocation_counter()->set_state(InvocationCounter::wait_for_nothing);
-    mcs->backedge_counter()->set_state(InvocationCounter::wait_for_nothing);
-  }
-}
-
-CompileTask* SimpleCompPolicy::select_task(CompileQueue* compile_queue) {
-  return select_task_helper(compile_queue);
-}
-
-bool SimpleCompPolicy::is_mature(Method* method) {
-  MethodData* mdo = method->method_data();
-  assert(mdo != NULL, "Should be");
-  uint current = mdo->mileage_of(method);
-  uint initial = mdo->creation_mileage();
-  if (current < initial)
-    return true;  // some sort of overflow
-  uint target;
-  if (ProfileMaturityPercentage <= 0)
-    target = (uint) -ProfileMaturityPercentage;  // absolute value
-  else
-    target = (uint)( (ProfileMaturityPercentage * CompileThreshold) / 100 );
-  return (current >= initial + target);
-}
-
-nmethod* SimpleCompPolicy::event(const methodHandle& method, const methodHandle& inlinee, int branch_bci,
-                                    int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread) {
-  assert(comp_level == CompLevel_none, "This should be only called from the interpreter");
-  NOT_PRODUCT(trace_frequency_counter_overflow(method, branch_bci, bci));
-  if (JvmtiExport::can_post_interpreter_events() && thread->is_interp_only_mode()) {
-    // If certain JVMTI events (e.g. frame pop event) are requested then the
-    // thread is forced to remain in interpreted code. This is
-    // implemented partly by a check in the run_compiled_code
-    // section of the interpreter whether we should skip running
-    // compiled code, and partly by skipping OSR compiles for
-    // interpreted-only threads.
-    if (bci != InvocationEntryBci) {
-      reset_counter_for_back_branch_event(method);
-      return NULL;
-    }
-  }
-  if (ReplayCompiles) {
-    // Don't trigger other compiles in testing mode
-    if (bci == InvocationEntryBci) {
-      reset_counter_for_invocation_event(method);
-    } else {
-      reset_counter_for_back_branch_event(method);
-    }
-    return NULL;
-  }
-
-  if (bci == InvocationEntryBci) {
-    // when code cache is full, compilation gets switched off, UseCompiler
-    // is set to false
-    if (!method->has_compiled_code() && UseCompiler) {
-      method_invocation_event(method, thread);
-    } else {
-      // Force counter overflow on method entry, even if no compilation
-      // happened.  (The method_invocation_event call does this also.)
-      reset_counter_for_invocation_event(method);
-    }
-    // compilation at an invocation overflow no longer goes and retries test for
-    // compiled method. We always run the loser of the race as interpreted.
-    // so return NULL
-    return NULL;
-  } else {
-    // counter overflow in a loop => try to do on-stack-replacement
-    nmethod* osr_nm = method->lookup_osr_nmethod_for(bci, CompLevel_highest_tier, true);
-    NOT_PRODUCT(trace_osr_request(method, osr_nm, bci));
-    // when code cache is full, we should not compile any more...
-    if (osr_nm == NULL && UseCompiler) {
-      method_back_branch_event(method, bci, thread);
-      osr_nm = method->lookup_osr_nmethod_for(bci, CompLevel_highest_tier, true);
-    }
-    if (osr_nm == NULL) {
-      reset_counter_for_back_branch_event(method);
-      return NULL;
-    }
-    return osr_nm;
-  }
-  return NULL;
-}
-
-#ifndef PRODUCT
-void SimpleCompPolicy::trace_frequency_counter_overflow(const methodHandle& m, int branch_bci, int bci) {
-  if (TraceInvocationCounterOverflow) {
-    MethodCounters* mcs = m->method_counters();
-    assert(mcs != NULL, "MethodCounters cannot be NULL for profiling");
-    InvocationCounter* ic = mcs->invocation_counter();
-    InvocationCounter* bc = mcs->backedge_counter();
-    ResourceMark rm;
-    if (bci == InvocationEntryBci) {
-      tty->print("comp-policy cntr ovfl @ %d in entry of ", bci);
-    } else {
-      tty->print("comp-policy cntr ovfl @ %d in loop of ", bci);
-    }
-    m->print_value();
-    tty->cr();
-    ic->print();
-    bc->print();
-    if (ProfileInterpreter) {
-      if (bci != InvocationEntryBci) {
-        MethodData* mdo = m->method_data();
-        if (mdo != NULL) {
-          ProfileData *pd = mdo->bci_to_data(branch_bci);
-          if (pd == NULL) {
-            tty->print_cr("back branch count = N/A (missing ProfileData)");
-          } else {
-            tty->print_cr("back branch count = %d", pd->as_JumpData()->taken());
-          }
-        }
-      }
-    }
-  }
-}
-
-void SimpleCompPolicy::trace_osr_request(const methodHandle& method, nmethod* osr, int bci) {
-  if (TraceOnStackReplacement) {
-    ResourceMark rm;
-    tty->print(osr != NULL ? "Reused OSR entry for " : "Requesting OSR entry for ");
-    method->print_short_name(tty);
-    tty->print_cr(" at bci %d", bci);
-  }
-}
-#endif // !PRODUCT
-
-void SimpleCompPolicy::method_invocation_event(const methodHandle& m, JavaThread* thread) {
-  const int comp_level = CompLevel_highest_tier;
-  const int hot_count = m->invocation_count();
-  reset_counter_for_invocation_event(m);
-
-  if (is_compilation_enabled() && can_be_compiled(m, comp_level)) {
-    CompiledMethod* nm = m->code();
-    if (nm == NULL ) {
-      CompileBroker::compile_method(m, InvocationEntryBci, comp_level, m, hot_count, CompileTask::Reason_InvocationCount, thread);
-    }
-  }
-}
-
-void SimpleCompPolicy::method_back_branch_event(const methodHandle& m, int bci, JavaThread* thread) {
-  const int comp_level = CompLevel_highest_tier;
-  const int hot_count = m->backedge_count();
-
-  if (is_compilation_enabled() && can_be_osr_compiled(m, comp_level)) {
-    CompileBroker::compile_method(m, bci, comp_level, m, hot_count, CompileTask::Reason_BackedgeCount, thread);
-    NOT_PRODUCT(trace_osr_completion(m->lookup_osr_nmethod_for(bci, comp_level, true));)
-  }
-}
--- a/src/hotspot/share/runtime/compilationPolicy.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-/*
- * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef SHARE_RUNTIME_COMPILATIONPOLICY_HPP
-#define SHARE_RUNTIME_COMPILATIONPOLICY_HPP
-
-#include "code/nmethod.hpp"
-#include "compiler/compileBroker.hpp"
-#include "memory/allocation.hpp"
-#include "runtime/vmOperations.hpp"
-#include "utilities/growableArray.hpp"
-
-// The CompilationPolicy selects which method (if any) should be compiled.
-// It also decides which methods must always be compiled (i.e., are never
-// interpreted).
-class CompileTask;
-class CompileQueue;
-
-class CompilationPolicy : public CHeapObj<mtCompiler> {
-  static CompilationPolicy* _policy;
-
-  // m must be compiled before executing it
-  static bool must_be_compiled(const methodHandle& m, int comp_level = CompLevel_all);
-
-public:
-  // If m must_be_compiled then request a compilation from the CompileBroker.
-  // This supports the -Xcomp option.
-  static void compile_if_required(const methodHandle& m, TRAPS);
-
-  // m is allowed to be compiled
-  static bool can_be_compiled(const methodHandle& m, int comp_level = CompLevel_all);
-  // m is allowed to be osr compiled
-  static bool can_be_osr_compiled(const methodHandle& m, int comp_level = CompLevel_all);
-  static bool is_compilation_enabled();
-  static void set_policy(CompilationPolicy* policy) { _policy = policy; }
-  static CompilationPolicy* policy()                { return _policy; }
-
-  static CompileTask* select_task_helper(CompileQueue* compile_queue);
-
-  // Return initial compile level that is used with Xcomp
-  virtual CompLevel initial_compile_level() = 0;
-  virtual int compiler_count(CompLevel comp_level) = 0;
-  // main notification entry, return a pointer to an nmethod if the OSR is required,
-  // returns NULL otherwise.
-  virtual nmethod* event(const methodHandle& method, const methodHandle& inlinee, int branch_bci, int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread) = 0;
-  // safepoint() is called at the end of the safepoint
-  virtual void do_safepoint_work() = 0;
-  // reprofile request
-  virtual void reprofile(ScopeDesc* trap_scope, bool is_osr) = 0;
-  // delay_compilation(method) can be called by any component of the runtime to notify the policy
-  // that it's recommended to delay the compilation of this method.
-  virtual void delay_compilation(Method* method) = 0;
-  // disable_compilation() is called whenever the runtime decides to disable compilation of the
-  // specified method.
-  virtual void disable_compilation(Method* method) = 0;
-  // Select task is called by CompileBroker. The queue is guaranteed to have at least one
-  // element and is locked. The function should select one and return it.
-  virtual CompileTask* select_task(CompileQueue* compile_queue) = 0;
-  // Tell the runtime if we think a given method is adequately profiled.
-  virtual bool is_mature(Method* method) = 0;
-  // Do policy initialization
-  virtual void initialize() = 0;
-  virtual bool should_not_inline(ciEnv* env, ciMethod* method) { return false; }
-};
-
-// A simple compilation policy.
-class SimpleCompPolicy : public CompilationPolicy {
-  int _compiler_count;
- private:
-  static void trace_frequency_counter_overflow(const methodHandle& m, int branch_bci, int bci);
-  static void trace_osr_request(const methodHandle& method, nmethod* osr, int bci);
-  static void trace_osr_completion(nmethod* osr_nm);
-  void reset_counter_for_invocation_event(const methodHandle& method);
-  void reset_counter_for_back_branch_event(const methodHandle& method);
-  void method_invocation_event(const methodHandle& m, JavaThread* thread);
-  void method_back_branch_event(const methodHandle& m, int bci, JavaThread* thread);
- public:
-  SimpleCompPolicy() : _compiler_count(0) { }
-  virtual CompLevel initial_compile_level() { return CompLevel_highest_tier; }
-  virtual int compiler_count(CompLevel comp_level);
-  virtual void do_safepoint_work();
-  virtual void reprofile(ScopeDesc* trap_scope, bool is_osr);
-  virtual void delay_compilation(Method* method);
-  virtual void disable_compilation(Method* method);
-  virtual bool is_mature(Method* method);
-  virtual void initialize();
-  virtual CompileTask* select_task(CompileQueue* compile_queue);
-  virtual nmethod* event(const methodHandle& method, const methodHandle& inlinee, int branch_bci, int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread);
-};
-
-
-#endif // SHARE_RUNTIME_COMPILATIONPOLICY_HPP
--- a/src/hotspot/share/runtime/deoptimization.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/deoptimization.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -31,6 +31,7 @@
 #include "code/nmethod.hpp"
 #include "code/pcDesc.hpp"
 #include "code/scopeDesc.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "interpreter/bytecode.hpp"
 #include "interpreter/interpreter.hpp"
 #include "interpreter/oopMapCache.hpp"
@@ -48,7 +49,6 @@
 #include "oops/verifyOopClosure.hpp"
 #include "prims/jvmtiThreadState.hpp"
 #include "runtime/biasedLocking.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/fieldDescriptor.hpp"
 #include "runtime/fieldDescriptor.inline.hpp"
--- a/src/hotspot/share/runtime/globals.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/globals.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1047,6 +1047,9 @@
   diagnostic(bool, EnableThreadSMRStatistics, trueInDebug,                  \
              "Enable Thread SMR Statistics")                                \
                                                                             \
+  product(bool, UseNotificationThread, true,                                \
+          "Use Notification Thread")                                        \
+                                                                            \
   product(bool, Inline, true,                                               \
           "Enable inlining")                                                \
                                                                             \
@@ -1194,9 +1197,6 @@
   develop(bool, TraceCreateZombies, false,                                  \
           "trace creation of zombie nmethods")                              \
                                                                             \
-  notproduct(bool, IgnoreLockingAssertions, false,                          \
-          "disable locking assertions (for speed)")                         \
-                                                                            \
   product(bool, RangeCheckElimination, true,                                \
           "Eliminate range checks")                                         \
                                                                             \
--- a/src/hotspot/share/runtime/interfaceSupport.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/interfaceSupport.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -55,12 +55,6 @@
   if (WalkStackALot) {
     InterfaceSupport::walk_stack();
   }
-#ifdef COMPILER2
-  // This option is not used by Compiler 1
-  if (StressDerivedPointers) {
-    InterfaceSupport::stress_derived_pointers();
-  }
-#endif
   if (DeoptimizeALot || DeoptimizeRandom) {
     InterfaceSupport::deoptimizeAll();
   }
@@ -234,31 +228,6 @@
 }
 
 
-void InterfaceSupport::stress_derived_pointers() {
-#ifdef COMPILER2
-  JavaThread *thread = JavaThread::current();
-  if (!is_init_completed()) return;
-  ResourceMark rm(thread);
-  bool found = false;
-  for (StackFrameStream sfs(thread); !sfs.is_done() && !found; sfs.next()) {
-    CodeBlob* cb = sfs.current()->cb();
-    if (cb != NULL && cb->oop_maps() ) {
-      // Find oopmap for current method
-      const ImmutableOopMap* map = cb->oop_map_for_return_address(sfs.current()->pc());
-      assert(map != NULL, "no oopmap found for pc");
-      found = map->has_derived_pointer();
-    }
-  }
-  if (found) {
-    // $$$ Not sure what to do here.
-    /*
-    Scavenge::invoke(0);
-    */
-  }
-#endif
-}
-
-
 void InterfaceSupport::verify_stack() {
   JavaThread* thread = JavaThread::current();
   ResourceMark rm(thread);
--- a/src/hotspot/share/runtime/interfaceSupport.inline.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/interfaceSupport.inline.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -62,7 +62,6 @@
 
   static void zombieAll();
   static void deoptimizeAll();
-  static void stress_derived_pointers();
   static void verify_stack();
   static void verify_last_frame();
 # endif
--- a/src/hotspot/share/runtime/java.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/java.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -56,7 +56,6 @@
 #include "prims/jvmtiExport.hpp"
 #include "runtime/arguments.hpp"
 #include "runtime/biasedLocking.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/flags/flagSetting.hpp"
 #include "runtime/handles.inline.hpp"
--- a/src/hotspot/share/runtime/javaCalls.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/javaCalls.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -26,6 +26,7 @@
 #include "classfile/systemDictionary.hpp"
 #include "classfile/vmSymbols.hpp"
 #include "code/nmethod.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "compiler/compileBroker.hpp"
 #include "interpreter/interpreter.hpp"
 #include "interpreter/linkResolver.hpp"
@@ -33,7 +34,6 @@
 #include "oops/method.inline.hpp"
 #include "oops/oop.inline.hpp"
 #include "prims/jniCheck.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/interfaceSupport.inline.hpp"
 #include "runtime/javaCalls.hpp"
--- a/src/hotspot/share/runtime/mutexLocker.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/mutexLocker.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -66,7 +66,6 @@
 Mutex*   RetData_lock                 = NULL;
 Monitor* VMOperationQueue_lock        = NULL;
 Monitor* VMOperationRequest_lock      = NULL;
-Monitor* SerializePage_lock           = NULL;
 Monitor* Threads_lock                 = NULL;
 Mutex*   NonJavaThreadsList_lock      = NULL;
 Mutex*   NonJavaThreadsListSync_lock  = NULL;
@@ -116,8 +115,10 @@
 
 Mutex*   Management_lock              = NULL;
 Monitor* Service_lock                 = NULL;
+Monitor* Notification_lock            = NULL;
 Monitor* PeriodicTask_lock            = NULL;
 Monitor* RedefineClasses_lock         = NULL;
+Mutex*   Verify_lock                  = NULL;
 
 #if INCLUDE_JFR
 Mutex*   JfrStacktrace_lock           = NULL;
@@ -160,7 +161,6 @@
 #ifdef ASSERT
 void assert_locked_or_safepoint(const Mutex* lock) {
   // check if this thread owns the lock (common case)
-  if (IgnoreLockingAssertions) return;
   assert(lock != NULL, "Need non-NULL lock");
   if (lock->owned_by_self()) return;
   if (SafepointSynchronize::is_at_safepoint()) return;
@@ -173,7 +173,6 @@
 
 // a weaker assertion than the above
 void assert_locked_or_safepoint_weak(const Mutex* lock) {
-  if (IgnoreLockingAssertions) return;
   assert(lock != NULL, "Need non-NULL lock");
   if (lock->is_locked()) return;
   if (SafepointSynchronize::is_at_safepoint()) return;
@@ -183,7 +182,6 @@
 
 // a stronger assertion than the above
 void assert_lock_strong(const Mutex* lock) {
-  if (IgnoreLockingAssertions) return;
   assert(lock != NULL, "Need non-NULL lock");
   if (lock->owned_by_self()) return;
   fatal("must own lock %s", lock->name());
@@ -236,6 +234,13 @@
   def(Patching_lock                , PaddedMutex  , special,     true,  _safepoint_check_never);      // used for safepointing and code patching.
   def(CompiledMethod_lock          , PaddedMutex  , special-1,   true,  _safepoint_check_never);
   def(Service_lock                 , PaddedMonitor, special,     true,  _safepoint_check_never);      // used for service thread operations
+
+  if (UseNotificationThread) {
+    def(Notification_lock            , PaddedMonitor, special,     true,  _safepoint_check_never);  // used for notification thread operations
+  } else {
+    Notification_lock = Service_lock;
+  }
+
   def(JmethodIdCreation_lock       , PaddedMutex  , leaf,        true,  _safepoint_check_always); // used for creating jmethodIDs.
 
   def(SystemDictionary_lock        , PaddedMonitor, leaf,        true,  _safepoint_check_always);
@@ -298,6 +303,7 @@
   def(CompileThread_lock           , PaddedMonitor, nonleaf+5,   false, _safepoint_check_always);
   def(PeriodicTask_lock            , PaddedMonitor, nonleaf+5,   true,  _safepoint_check_always);
   def(RedefineClasses_lock         , PaddedMonitor, nonleaf+5,   true,  _safepoint_check_always);
+  def(Verify_lock                  , PaddedMutex,   nonleaf+5,   true,  _safepoint_check_always);
 
   if (WhiteBoxAPI) {
     def(Compilation_lock           , PaddedMonitor, leaf,        false, _safepoint_check_never);
--- a/src/hotspot/share/runtime/mutexLocker.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/mutexLocker.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -103,7 +103,6 @@
 extern Mutex*   RawMonitor_lock;
 extern Mutex*   PerfDataMemAlloc_lock;           // a lock on the allocator for PerfData memory for performance data
 extern Mutex*   PerfDataManager_lock;            // a long on access to PerfDataManager resources
-extern Mutex*   ParkerFreeList_lock;
 extern Mutex*   OopMapCacheAlloc_lock;           // protects allocation of oop_map caches
 
 extern Mutex*   FreeList_lock;                   // protects the free region list during safepoints
@@ -112,8 +111,10 @@
 
 extern Mutex*   Management_lock;                 // a lock used to serialize JVM management
 extern Monitor* Service_lock;                    // a lock used for service thread operation
+extern Monitor* Notification_lock;               // a lock used for notification thread operation
 extern Monitor* PeriodicTask_lock;               // protects the periodic task structure
 extern Monitor* RedefineClasses_lock;            // locks classes from parallel redefinition
+extern Mutex*   Verify_lock;                     // synchronize initialization of verify library
 extern Monitor* ThreadsSMRDelete_lock;           // Used by ThreadsSMRSupport to take pressure off the Threads_lock
 extern Mutex*   ThreadIdTableCreate_lock;        // Used by ThreadIdTable to lazily create the thread id table
 extern Mutex*   SharedDecoder_lock;              // serializes access to the decoder during normal (not error reporting) use
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/runtime/notificationThread.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "memory/universe.hpp"
+#include "runtime/interfaceSupport.inline.hpp"
+#include "runtime/javaCalls.hpp"
+#include "runtime/notificationThread.hpp"
+#include "services/diagnosticArgument.hpp"
+#include "services/diagnosticFramework.hpp"
+#include "services/gcNotifier.hpp"
+#include "services/lowMemoryDetector.hpp"
+
+NotificationThread* NotificationThread::_instance = NULL;
+
+void NotificationThread::initialize() {
+  EXCEPTION_MARK;
+
+  const char* name = "Notification Thread";
+  Handle string = java_lang_String::create_from_str(name, CHECK);
+
+  // Initialize thread_oop to put it into the system threadGroup
+  Handle thread_group (THREAD, Universe::system_thread_group());
+  Handle thread_oop = JavaCalls::construct_new_instance(
+                          SystemDictionary::Thread_klass(),
+                          vmSymbols::threadgroup_string_void_signature(),
+                          thread_group,
+                          string,
+                          CHECK);
+
+  Klass* group = SystemDictionary::ThreadGroup_klass();
+  JavaValue result(T_VOID);
+  JavaCalls::call_special(&result,
+                          thread_group,
+                          group,
+                          vmSymbols::add_method_name(),
+                          vmSymbols::thread_void_signature(),
+                          thread_oop,
+                          THREAD);
+  {
+    MutexLocker mu(Threads_lock);
+    NotificationThread* thread =  new NotificationThread(&notification_thread_entry);
+
+    // At this point it may be possible that no osthread was created for the
+    // JavaThread due to lack of memory. We would have to throw an exception
+    // in that case. However, since this must work and we do not allow
+    // exceptions anyway, check and abort if this fails.
+    if (thread == NULL || thread->osthread() == NULL) {
+      vm_exit_during_initialization("java.lang.OutOfMemoryError",
+                                    os::native_thread_creation_failed_msg());
+    }
+
+    java_lang_Thread::set_thread(thread_oop(), thread);
+    java_lang_Thread::set_priority(thread_oop(), NearMaxPriority);
+    java_lang_Thread::set_daemon(thread_oop());
+    thread->set_threadObj(thread_oop());
+    _instance = thread;
+
+    Threads::add(thread);
+    Thread::start(thread);
+  }
+}
+
+
+
+void NotificationThread::notification_thread_entry(JavaThread* jt, TRAPS) {
+  while (true) {
+    bool sensors_changed = false;
+    bool has_dcmd_notification_event = false;
+    bool has_gc_notification_event = false;
+    {
+      // Need state transition ThreadBlockInVM so that this thread
+      // will be handled by safepoint correctly when this thread is
+      // notified at a safepoint.
+
+      ThreadBlockInVM tbivm(jt);
+
+      MonitorLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
+      // Process all available work on each (outer) iteration, rather than
+      // only the first recognized bit of work, to avoid frequently true early
+      // tests from potentially starving later work.  Hence the use of
+      // arithmetic-or to combine results; we don't want short-circuiting.
+      while (((sensors_changed = LowMemoryDetector::has_pending_requests()) |
+              (has_dcmd_notification_event = DCmdFactory::has_pending_jmx_notification()) |
+              (has_gc_notification_event = GCNotifier::has_event()))
+             == 0) {
+        // Wait as a suspend equalent until notified that there is some work to do.
+        ml.wait(0, true);
+      }
+
+    }
+
+    if (sensors_changed) {
+      LowMemoryDetector::process_sensor_changes(jt);
+    }
+
+    if(has_gc_notification_event) {
+      GCNotifier::sendNotification(CHECK);
+    }
+
+    if(has_dcmd_notification_event) {
+      DCmdFactory::send_notification(CHECK);
+    }
+
+  }
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/runtime/notificationThread.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_RUNTIME_NOTIFICATIONTHREAD_HPP
+#define SHARE_RUNTIME_NOTIFICATIONTHREAD_HPP
+
+#include "runtime/thread.hpp"
+
+// A JavaThread for low memory detection support, GC and
+// diagnostic framework notifications. This thread is not hidden
+// from the external view to allow the debugger to stop at the
+// breakpoints inside registred MXBean notification listeners.
+
+class NotificationThread : public JavaThread {
+  friend class VMStructs;
+ private:
+
+  static NotificationThread* _instance;
+
+  static void notification_thread_entry(JavaThread* thread, TRAPS);
+  NotificationThread(ThreadFunction entry_point) : JavaThread(entry_point) {};
+
+ public:
+  static void initialize();
+
+};
+
+#endif // SHARE_RUNTIME_NOTIFICATIONTHREAD_HPP
--- a/src/hotspot/share/runtime/objectMonitor.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/objectMonitor.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -43,7 +43,6 @@
 class ObjectWaiter : public StackObj {
  public:
   enum TStates { TS_UNDEF, TS_READY, TS_RUN, TS_WAIT, TS_ENTER, TS_CXQ };
-  enum Sorted  { PREPEND, APPEND, SORTED };
   ObjectWaiter* volatile _next;
   ObjectWaiter* volatile _prev;
   Thread*       _thread;
@@ -51,7 +50,6 @@
   ParkEvent *   _event;
   volatile int  _notified;
   volatile TStates TState;
-  Sorted        _Sorted;           // List placement disposition
   bool          _active;           // Contention monitoring is enabled
  public:
   ObjectWaiter(Thread* thread);
@@ -68,10 +66,6 @@
 // WARNING: This is a very sensitive and fragile class. DO NOT make any
 // changes unless you are fully aware of the underlying semantics.
 //
-// Class JvmtiRawMonitor currently inherits from ObjectMonitor so
-// changes in this class must be careful to not break JvmtiRawMonitor.
-// These two subsystems should be separated.
-//
 // ObjectMonitor Layout Overview/Highlights/Restrictions:
 //
 // - The _header field must be at offset 0 because the displaced header
@@ -127,16 +121,6 @@
 //     in a 64-bit JVM.
 
 class ObjectMonitor {
- public:
-  enum {
-    OM_OK,                    // no error
-    OM_SYSTEM_ERROR,          // operating system error
-    OM_ILLEGAL_MONITOR_STATE, // IllegalMonitorStateException
-    OM_INTERRUPTED,           // Thread.interrupt()
-    OM_TIMED_OUT              // Object.wait() timed out
-  };
-
- private:
   friend class ObjectSynchronizer;
   friend class ObjectWaiter;
   friend class VMStructs;
@@ -158,16 +142,13 @@
   DEFINE_PAD_MINUS_SIZE(0, DEFAULT_CACHE_LINE_SIZE,
                         sizeof(volatile markWord) + sizeof(void* volatile) +
                         sizeof(ObjectMonitor *));
- protected:                         // protected for JvmtiRawMonitor
   void* volatile _owner;            // pointer to owning thread OR BasicLock
- private:
   volatile jlong _previous_owner_tid;  // thread id of the previous owner of the monitor
- protected:                         // protected for JvmtiRawMonitor
   volatile intptr_t _recursions;    // recursion count, 0 for first entry
   ObjectWaiter* volatile _EntryList;  // Threads blocked on entry or reentry.
                                       // The list is actually composed of WaitNodes,
                                       // acting as proxies for Threads.
- private:
+
   ObjectWaiter* volatile _cxq;      // LL of recently-arrived threads blocked on entry.
   Thread* volatile _succ;           // Heir presumptive thread - used for futile wakeup throttling
   Thread* volatile _Responsible;
--- a/src/hotspot/share/runtime/os.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/os.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -536,14 +536,6 @@
     char buffer[JVM_MAXPATHLEN];
     char ebuf[1024];
 
-    // Try to load verify dll first. In 1.3 java dll depends on it and is not
-    // always able to find it when the loading executable is outside the JDK.
-    // In order to keep working with 1.2 we ignore any loading errors.
-    if (dll_locate_lib(buffer, sizeof(buffer), Arguments::get_dll_dir(),
-                       "verify")) {
-      dll_load(buffer, ebuf, sizeof(ebuf));
-    }
-
     // Load java dll
     if (dll_locate_lib(buffer, sizeof(buffer), Arguments::get_dll_dir(),
                        "java")) {
--- a/src/hotspot/share/runtime/safepoint.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/safepoint.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -33,6 +33,7 @@
 #include "code/nmethod.hpp"
 #include "code/pcDesc.hpp"
 #include "code/scopeDesc.hpp"
+#include "compiler/compilationPolicy.hpp"
 #include "gc/shared/collectedHeap.hpp"
 #include "gc/shared/gcLocker.hpp"
 #include "gc/shared/oopStorage.hpp"
@@ -47,7 +48,6 @@
 #include "oops/oop.inline.hpp"
 #include "oops/symbol.hpp"
 #include "runtime/atomic.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/deoptimization.hpp"
 #include "runtime/frame.inline.hpp"
 #include "runtime/handles.inline.hpp"
--- a/src/hotspot/share/runtime/serviceThread.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/serviceThread.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -43,6 +43,7 @@
 #include "services/diagnosticFramework.hpp"
 #include "services/gcNotifier.hpp"
 #include "services/lowMemoryDetector.hpp"
+#include "services/threadIdTable.hpp"
 
 ServiceThread* ServiceThread::_instance = NULL;
 
@@ -101,6 +102,7 @@
     bool stringtable_work = false;
     bool symboltable_work = false;
     bool resolved_method_table_work = false;
+    bool thread_id_table_work = false;
     bool protection_domain_table_work = false;
     bool oopstorage_work = false;
     JvmtiDeferredEvent jvmti_event;
@@ -120,13 +122,14 @@
       // only the first recognized bit of work, to avoid frequently true early
       // tests from potentially starving later work.  Hence the use of
       // arithmetic-or to combine results; we don't want short-circuiting.
-      while (((sensors_changed = LowMemoryDetector::has_pending_requests()) |
+      while (((sensors_changed = (!UseNotificationThread && LowMemoryDetector::has_pending_requests())) |
               (has_jvmti_events = JvmtiDeferredEventQueue::has_events()) |
-              (has_gc_notification_event = GCNotifier::has_event()) |
-              (has_dcmd_notification_event = DCmdFactory::has_pending_jmx_notification()) |
+              (has_gc_notification_event = (!UseNotificationThread && GCNotifier::has_event())) |
+              (has_dcmd_notification_event = (!UseNotificationThread && DCmdFactory::has_pending_jmx_notification())) |
               (stringtable_work = StringTable::has_work()) |
               (symboltable_work = SymbolTable::has_work()) |
               (resolved_method_table_work = ResolvedMethodTable::has_work()) |
+              (thread_id_table_work = ThreadIdTable::has_work()) |
               (protection_domain_table_work = SystemDictionary::pd_cache_table()->has_work()) |
               (oopstorage_work = OopStorage::has_cleanup_work_and_reset())
              ) == 0) {
@@ -151,22 +154,28 @@
       jvmti_event.post();
     }
 
-    if (sensors_changed) {
-      LowMemoryDetector::process_sensor_changes(jt);
-    }
+    if (!UseNotificationThread) {
+      if (sensors_changed) {
+        LowMemoryDetector::process_sensor_changes(jt);
+      }
 
-    if(has_gc_notification_event) {
-      GCNotifier::sendNotification(CHECK);
-    }
+      if(has_gc_notification_event) {
+        GCNotifier::sendNotification(CHECK);
+      }
 
-    if(has_dcmd_notification_event) {
-      DCmdFactory::send_notification(CHECK);
+      if(has_dcmd_notification_event) {
+        DCmdFactory::send_notification(CHECK);
+      }
     }
 
     if (resolved_method_table_work) {
       ResolvedMethodTable::do_concurrent_work(jt);
     }
 
+    if (thread_id_table_work) {
+      ThreadIdTable::do_concurrent_work(jt);
+    }
+
     if (protection_domain_table_work) {
       SystemDictionary::pd_cache_table()->unlink();
     }
--- a/src/hotspot/share/runtime/serviceThread.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/serviceThread.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -27,8 +27,10 @@
 
 #include "runtime/thread.hpp"
 
-// A JavaThread for low memory detection support and JVMTI
-// compiled-method-load events.
+// A hidden from external view JavaThread for JVMTI compiled-method-load
+// events, oop storage cleanup, and the maintainance of string, symbol,
+// protection domain, and resolved method tables.
+
 class ServiceThread : public JavaThread {
   friend class VMStructs;
  private:
--- a/src/hotspot/share/runtime/sharedRuntime.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/sharedRuntime.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -57,7 +57,6 @@
 #include "runtime/arguments.hpp"
 #include "runtime/atomic.hpp"
 #include "runtime/biasedLocking.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/frame.inline.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/init.hpp"
--- a/src/hotspot/share/runtime/sweeper.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/sweeper.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -38,7 +38,6 @@
 #include "memory/universe.hpp"
 #include "oops/method.hpp"
 #include "runtime/atomic.hpp"
-#include "runtime/compilationPolicy.hpp"
 #include "runtime/interfaceSupport.inline.hpp"
 #include "runtime/handshake.hpp"
 #include "runtime/mutexLocker.hpp"
--- a/src/hotspot/share/runtime/thread.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/thread.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -258,6 +258,7 @@
   _current_pending_monitor = NULL;
   _current_pending_monitor_is_from_java = true;
   _current_waiting_monitor = NULL;
+  _current_pending_raw_monitor = NULL;
   _num_nested_signal = 0;
   om_free_list = NULL;
   om_free_count = 0;
@@ -3847,7 +3848,7 @@
   // Create the VMThread
   { TraceTime timer("Start VMThread", TRACETIME_LOG(Info, startuptime));
 
-  VMThread::create();
+    VMThread::create();
     Thread* vmthread = VMThread::vm_thread();
 
     if (!os::create_thread(vmthread, os::vm_thread)) {
--- a/src/hotspot/share/runtime/thread.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/thread.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -62,6 +62,7 @@
 class ThreadsList;
 class ThreadsSMRSupport;
 
+class JvmtiRawMonitor;
 class JvmtiThreadState;
 class ThreadStatistics;
 class ConcurrentLocksDump;
@@ -404,6 +405,9 @@
   ObjectMonitor* _current_pending_monitor;      // ObjectMonitor this thread
                                                 // is waiting to lock
   bool _current_pending_monitor_is_from_java;   // locking is from Java code
+  JvmtiRawMonitor* _current_pending_raw_monitor; // JvmtiRawMonitor this thread
+                                                 // is waiting to lock
+
 
   // ObjectMonitor on which this thread called Object.wait()
   ObjectMonitor* _current_waiting_monitor;
@@ -640,6 +644,14 @@
     _current_waiting_monitor = monitor;
   }
 
+  // For tracking the Jvmti raw monitor the thread is pending on.
+  JvmtiRawMonitor* current_pending_raw_monitor() {
+    return _current_pending_raw_monitor;
+  }
+  void set_current_pending_raw_monitor(JvmtiRawMonitor* monitor) {
+    _current_pending_raw_monitor = monitor;
+  }
+
   // GC support
   // Apply "f->do_oop" to all root oops in "this".
   //   Used by JavaThread::oops_do.
@@ -786,7 +798,7 @@
  public:
   volatile intptr_t _Stalled;
   volatile int _TypeTag;
-  ParkEvent * _ParkEvent;                     // for synchronized()
+  ParkEvent * _ParkEvent;                     // for Object monitors and JVMTI raw monitors
   ParkEvent * _MuxEvent;                      // for low-level muxAcquire-muxRelease
   int NativeSyncRecursion;                    // diagnostic
 
--- a/src/hotspot/share/runtime/threadSMR.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/threadSMR.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -528,6 +528,22 @@
     return;
   }
 
+  if ( _thread == VM_Exit::shutdown_thread()) {
+    // The shutdown thread has removed itself from the Threads
+    // list and is safe to have a waiver from this check because
+    // VM_Exit::_shutdown_thread is not set until after the VMThread
+    // has started the final safepoint which holds the Threads_lock
+    // for the remainder of the VM's life.
+    return;
+  }
+
+  if (VMError::is_error_reported() &&
+      VMError::get_first_error_tid() == os::current_thread_id()) {
+    // If there is an error reported by this thread it may use ThreadsList even
+    // if it's unsafe.
+    return;
+  }
+
   // The closure will attempt to verify that the calling thread can
   // be found by threads_do() on the specified ThreadsList. If it
   // is successful, then the specified ThreadsList was acquired as
@@ -540,12 +556,6 @@
   // ThreadsList is not a stable hazard ptr and can be freed by
   // another thread from the to-be-deleted list at any time.
   //
-  // Note: The shutdown thread has removed itself from the Threads
-  // list and is safe to have a waiver from this check because
-  // VM_Exit::_shutdown_thread is not set until after the VMThread
-  // has started the final safepoint which holds the Threads_lock
-  // for the remainder of the VM's life.
-  //
   VerifyHazardPtrThreadClosure cl(_thread);
   ThreadsSMRSupport::threads_do(&cl, _list);
 
@@ -555,7 +565,7 @@
   // In either case, we won't get past this point with a badly placed
   // ThreadsListHandle.
 
-  assert(cl.found() || _thread == VM_Exit::shutdown_thread(), "Acquired a ThreadsList snapshot from a thread not recognized by the Thread-SMR protocol.");
+  assert(cl.found(), "Acquired a ThreadsList snapshot from a thread not recognized by the Thread-SMR protocol.");
 #endif
 }
 
--- a/src/hotspot/share/runtime/tieredThresholdPolicy.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1005 +0,0 @@
-/*
- * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "compiler/compileBroker.hpp"
-#include "compiler/compilerOracle.hpp"
-#include "memory/resourceArea.hpp"
-#include "runtime/arguments.hpp"
-#include "runtime/handles.inline.hpp"
-#include "runtime/safepoint.hpp"
-#include "runtime/safepointVerifiers.hpp"
-#include "runtime/tieredThresholdPolicy.hpp"
-#include "code/scopeDesc.hpp"
-#include "oops/method.inline.hpp"
-#if INCLUDE_JVMCI
-#include "jvmci/jvmci.hpp"
-#endif
-
-#ifdef TIERED
-
-#include "c1/c1_Compiler.hpp"
-#include "opto/c2compiler.hpp"
-
-template<CompLevel level>
-bool TieredThresholdPolicy::call_predicate_helper(int i, int b, double scale, Method* method) {
-  double threshold_scaling;
-  if (CompilerOracle::has_option_value(method, "CompileThresholdScaling", threshold_scaling)) {
-    scale *= threshold_scaling;
-  }
-  switch(level) {
-  case CompLevel_aot:
-    return (i >= Tier3AOTInvocationThreshold * scale) ||
-           (i >= Tier3AOTMinInvocationThreshold * scale && i + b >= Tier3AOTCompileThreshold * scale);
-  case CompLevel_none:
-  case CompLevel_limited_profile:
-    return (i >= Tier3InvocationThreshold * scale) ||
-           (i >= Tier3MinInvocationThreshold * scale && i + b >= Tier3CompileThreshold * scale);
-  case CompLevel_full_profile:
-   return (i >= Tier4InvocationThreshold * scale) ||
-          (i >= Tier4MinInvocationThreshold * scale && i + b >= Tier4CompileThreshold * scale);
-  }
-  return true;
-}
-
-template<CompLevel level>
-bool TieredThresholdPolicy::loop_predicate_helper(int i, int b, double scale, Method* method) {
-  double threshold_scaling;
-  if (CompilerOracle::has_option_value(method, "CompileThresholdScaling", threshold_scaling)) {
-    scale *= threshold_scaling;
-  }
-  switch(level) {
-  case CompLevel_aot:
-    return b >= Tier3AOTBackEdgeThreshold * scale;
-  case CompLevel_none:
-  case CompLevel_limited_profile:
-    return b >= Tier3BackEdgeThreshold * scale;
-  case CompLevel_full_profile:
-    return b >= Tier4BackEdgeThreshold * scale;
-  }
-  return true;
-}
-
-// Simple methods are as good being compiled with C1 as C2.
-// Determine if a given method is such a case.
-bool TieredThresholdPolicy::is_trivial(Method* method) {
-  if (method->is_accessor() ||
-      method->is_constant_getter()) {
-    return true;
-  }
-  return false;
-}
-
-bool TieredThresholdPolicy::should_compile_at_level_simple(Method* method) {
-  if (TieredThresholdPolicy::is_trivial(method)) {
-    return true;
-  }
-#if INCLUDE_JVMCI
-  if (UseJVMCICompiler) {
-    AbstractCompiler* comp = CompileBroker::compiler(CompLevel_full_optimization);
-    if (comp != NULL && comp->is_jvmci() && ((JVMCICompiler*) comp)->force_comp_at_level_simple(method)) {
-      return true;
-    }
-  }
-#endif
-  return false;
-}
-
-CompLevel TieredThresholdPolicy::comp_level(Method* method) {
-  CompiledMethod *nm = method->code();
-  if (nm != NULL && nm->is_in_use()) {
-    return (CompLevel)nm->comp_level();
-  }
-  return CompLevel_none;
-}
-
-void TieredThresholdPolicy::print_counters(const char* prefix, const methodHandle& mh) {
-  int invocation_count = mh->invocation_count();
-  int backedge_count = mh->backedge_count();
-  MethodData* mdh = mh->method_data();
-  int mdo_invocations = 0, mdo_backedges = 0;
-  int mdo_invocations_start = 0, mdo_backedges_start = 0;
-  if (mdh != NULL) {
-    mdo_invocations = mdh->invocation_count();
-    mdo_backedges = mdh->backedge_count();
-    mdo_invocations_start = mdh->invocation_count_start();
-    mdo_backedges_start = mdh->backedge_count_start();
-  }
-  tty->print(" %stotal=%d,%d %smdo=%d(%d),%d(%d)", prefix,
-      invocation_count, backedge_count, prefix,
-      mdo_invocations, mdo_invocations_start,
-      mdo_backedges, mdo_backedges_start);
-  tty->print(" %smax levels=%d,%d", prefix,
-      mh->highest_comp_level(), mh->highest_osr_comp_level());
-}
-
-// Print an event.
-void TieredThresholdPolicy::print_event(EventType type, const methodHandle& mh, const methodHandle& imh,
-                                        int bci, CompLevel level) {
-  bool inlinee_event = mh() != imh();
-
-  ttyLocker tty_lock;
-  tty->print("%lf: [", os::elapsedTime());
-
-  switch(type) {
-  case CALL:
-    tty->print("call");
-    break;
-  case LOOP:
-    tty->print("loop");
-    break;
-  case COMPILE:
-    tty->print("compile");
-    break;
-  case REMOVE_FROM_QUEUE:
-    tty->print("remove-from-queue");
-    break;
-  case UPDATE_IN_QUEUE:
-    tty->print("update-in-queue");
-    break;
-  case REPROFILE:
-    tty->print("reprofile");
-    break;
-  case MAKE_NOT_ENTRANT:
-    tty->print("make-not-entrant");
-    break;
-  default:
-    tty->print("unknown");
-  }
-
-  tty->print(" level=%d ", level);
-
-  ResourceMark rm;
-  char *method_name = mh->name_and_sig_as_C_string();
-  tty->print("[%s", method_name);
-  if (inlinee_event) {
-    char *inlinee_name = imh->name_and_sig_as_C_string();
-    tty->print(" [%s]] ", inlinee_name);
-  }
-  else tty->print("] ");
-  tty->print("@%d queues=%d,%d", bci, CompileBroker::queue_size(CompLevel_full_profile),
-                                      CompileBroker::queue_size(CompLevel_full_optimization));
-
-  print_specific(type, mh, imh, bci, level);
-
-  if (type != COMPILE) {
-    print_counters("", mh);
-    if (inlinee_event) {
-      print_counters("inlinee ", imh);
-    }
-    tty->print(" compilable=");
-    bool need_comma = false;
-    if (!mh->is_not_compilable(CompLevel_full_profile)) {
-      tty->print("c1");
-      need_comma = true;
-    }
-    if (!mh->is_not_osr_compilable(CompLevel_full_profile)) {
-      if (need_comma) tty->print(",");
-      tty->print("c1-osr");
-      need_comma = true;
-    }
-    if (!mh->is_not_compilable(CompLevel_full_optimization)) {
-      if (need_comma) tty->print(",");
-      tty->print("c2");
-      need_comma = true;
-    }
-    if (!mh->is_not_osr_compilable(CompLevel_full_optimization)) {
-      if (need_comma) tty->print(",");
-      tty->print("c2-osr");
-    }
-    tty->print(" status=");
-    if (mh->queued_for_compilation()) {
-      tty->print("in-queue");
-    } else tty->print("idle");
-  }
-  tty->print_cr("]");
-}
-
-void TieredThresholdPolicy::initialize() {
-  int count = CICompilerCount;
-  bool c1_only = TieredStopAtLevel < CompLevel_full_optimization;
-#ifdef _LP64
-  // Turn on ergonomic compiler count selection
-  if (FLAG_IS_DEFAULT(CICompilerCountPerCPU) && FLAG_IS_DEFAULT(CICompilerCount)) {
-    FLAG_SET_DEFAULT(CICompilerCountPerCPU, true);
-  }
-  if (CICompilerCountPerCPU) {
-    // Simple log n seems to grow too slowly for tiered, try something faster: log n * log log n
-    int log_cpu = log2_int(os::active_processor_count());
-    int loglog_cpu = log2_int(MAX2(log_cpu, 1));
-    count = MAX2(log_cpu * loglog_cpu * 3 / 2, 2);
-    // Make sure there is enough space in the code cache to hold all the compiler buffers
-    size_t c1_size = Compiler::code_buffer_size();
-    size_t c2_size = C2Compiler::initial_code_buffer_size();
-    size_t buffer_size = c1_only ? c1_size : (c1_size/3 + 2*c2_size/3);
-    int max_count = (ReservedCodeCacheSize - (CodeCacheMinimumUseSpace DEBUG_ONLY(* 3))) / (int)buffer_size;
-    if (count > max_count) {
-      // Lower the compiler count such that all buffers fit into the code cache
-      count = MAX2(max_count, c1_only ? 1 : 2);
-    }
-    FLAG_SET_ERGO(CICompilerCount, count);
-  }
-#else
-  // On 32-bit systems, the number of compiler threads is limited to 3.
-  // On these systems, the virtual address space available to the JVM
-  // is usually limited to 2-4 GB (the exact value depends on the platform).
-  // As the compilers (especially C2) can consume a large amount of
-  // memory, scaling the number of compiler threads with the number of
-  // available cores can result in the exhaustion of the address space
-  /// available to the VM and thus cause the VM to crash.
-  if (FLAG_IS_DEFAULT(CICompilerCount)) {
-    count = 3;
-    FLAG_SET_ERGO(CICompilerCount, count);
-  }
-#endif
-
-  if (c1_only) {
-    // No C2 compiler thread required
-    set_c1_count(count);
-  } else {
-    set_c1_count(MAX2(count / 3, 1));
-    set_c2_count(MAX2(count - c1_count(), 1));
-  }
-  assert(count == c1_count() + c2_count(), "inconsistent compiler thread count");
-
-  // Some inlining tuning
-#ifdef X86
-  if (FLAG_IS_DEFAULT(InlineSmallCode)) {
-    FLAG_SET_DEFAULT(InlineSmallCode, 2000);
-  }
-#endif
-
-#if defined SPARC || defined AARCH64
-  if (FLAG_IS_DEFAULT(InlineSmallCode)) {
-    FLAG_SET_DEFAULT(InlineSmallCode, 2500);
-  }
-#endif
-
-  set_increase_threshold_at_ratio();
-  set_start_time(os::javaTimeMillis());
-}
-
-void TieredThresholdPolicy::set_carry_if_necessary(InvocationCounter *counter) {
-  if (!counter->carry() && counter->count() > InvocationCounter::count_limit / 2) {
-    counter->set_carry_flag();
-  }
-}
-
-// Set carry flags on the counters if necessary
-void TieredThresholdPolicy::handle_counter_overflow(Method* method) {
-  MethodCounters *mcs = method->method_counters();
-  if (mcs != NULL) {
-    set_carry_if_necessary(mcs->invocation_counter());
-    set_carry_if_necessary(mcs->backedge_counter());
-  }
-  MethodData* mdo = method->method_data();
-  if (mdo != NULL) {
-    set_carry_if_necessary(mdo->invocation_counter());
-    set_carry_if_necessary(mdo->backedge_counter());
-  }
-}
-
-// Called with the queue locked and with at least one element
-CompileTask* TieredThresholdPolicy::select_task(CompileQueue* compile_queue) {
-  CompileTask *max_blocking_task = NULL;
-  CompileTask *max_task = NULL;
-  Method* max_method = NULL;
-  jlong t = os::javaTimeMillis();
-  // Iterate through the queue and find a method with a maximum rate.
-  for (CompileTask* task = compile_queue->first(); task != NULL;) {
-    CompileTask* next_task = task->next();
-    Method* method = task->method();
-    // If a method was unloaded or has been stale for some time, remove it from the queue.
-    // Blocking tasks and tasks submitted from whitebox API don't become stale
-    if (task->is_unloaded() || (task->can_become_stale() && is_stale(t, TieredCompileTaskTimeout, method) && !is_old(method))) {
-      if (!task->is_unloaded()) {
-        if (PrintTieredEvents) {
-          print_event(REMOVE_FROM_QUEUE, method, method, task->osr_bci(), (CompLevel) task->comp_level());
-        }
-        method->clear_queued_for_compilation();
-      }
-      compile_queue->remove_and_mark_stale(task);
-      task = next_task;
-      continue;
-    }
-    update_rate(t, method);
-    if (max_task == NULL || compare_methods(method, max_method)) {
-      // Select a method with the highest rate
-      max_task = task;
-      max_method = method;
-    }
-
-    if (task->is_blocking()) {
-      if (max_blocking_task == NULL || compare_methods(method, max_blocking_task->method())) {
-        max_blocking_task = task;
-      }
-    }
-
-    task = next_task;
-  }
-
-  if (max_blocking_task != NULL) {
-    // In blocking compilation mode, the CompileBroker will make
-    // compilations submitted by a JVMCI compiler thread non-blocking. These
-    // compilations should be scheduled after all blocking compilations
-    // to service non-compiler related compilations sooner and reduce the
-    // chance of such compilations timing out.
-    max_task = max_blocking_task;
-    max_method = max_task->method();
-  }
-
-  if (max_task != NULL && max_task->comp_level() == CompLevel_full_profile &&
-      TieredStopAtLevel > CompLevel_full_profile &&
-      max_method != NULL && is_method_profiled(max_method)) {
-    max_task->set_comp_level(CompLevel_limited_profile);
-
-    if (CompileBroker::compilation_is_complete(max_method, max_task->osr_bci(), CompLevel_limited_profile)) {
-      if (PrintTieredEvents) {
-        print_event(REMOVE_FROM_QUEUE, max_method, max_method, max_task->osr_bci(), (CompLevel)max_task->comp_level());
-      }
-      compile_queue->remove_and_mark_stale(max_task);
-      max_method->clear_queued_for_compilation();
-      return NULL;
-    }
-
-    if (PrintTieredEvents) {
-      print_event(UPDATE_IN_QUEUE, max_method, max_method, max_task->osr_bci(), (CompLevel)max_task->comp_level());
-    }
-  }
-
-  return max_task;
-}
-
-void TieredThresholdPolicy::reprofile(ScopeDesc* trap_scope, bool is_osr) {
-  for (ScopeDesc* sd = trap_scope;; sd = sd->sender()) {
-    if (PrintTieredEvents) {
-      methodHandle mh(sd->method());
-      print_event(REPROFILE, mh, mh, InvocationEntryBci, CompLevel_none);
-    }
-    MethodData* mdo = sd->method()->method_data();
-    if (mdo != NULL) {
-      mdo->reset_start_counters();
-    }
-    if (sd->is_top()) break;
-  }
-}
-
-nmethod* TieredThresholdPolicy::event(const methodHandle& method, const methodHandle& inlinee,
-                                      int branch_bci, int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread) {
-  if (comp_level == CompLevel_none &&
-      JvmtiExport::can_post_interpreter_events() &&
-      thread->is_interp_only_mode()) {
-    return NULL;
-  }
-  if (ReplayCompiles) {
-    // Don't trigger other compiles in testing mode
-    return NULL;
-  }
-
-  handle_counter_overflow(method());
-  if (method() != inlinee()) {
-    handle_counter_overflow(inlinee());
-  }
-
-  if (PrintTieredEvents) {
-    print_event(bci == InvocationEntryBci ? CALL : LOOP, method, inlinee, bci, comp_level);
-  }
-
-  if (bci == InvocationEntryBci) {
-    method_invocation_event(method, inlinee, comp_level, nm, thread);
-  } else {
-    // method == inlinee if the event originated in the main method
-    method_back_branch_event(method, inlinee, bci, comp_level, nm, thread);
-    // Check if event led to a higher level OSR compilation
-    CompLevel expected_comp_level = comp_level;
-    if (inlinee->is_not_osr_compilable(expected_comp_level)) {
-      // It's not possble to reach the expected level so fall back to simple.
-      expected_comp_level = CompLevel_simple;
-    }
-    nmethod* osr_nm = inlinee->lookup_osr_nmethod_for(bci, expected_comp_level, false);
-    assert(osr_nm == NULL || osr_nm->comp_level() >= expected_comp_level, "lookup_osr_nmethod_for is broken");
-    if (osr_nm != NULL) {
-      // Perform OSR with new nmethod
-      return osr_nm;
-    }
-  }
-  return NULL;
-}
-
-// Check if the method can be compiled, change level if necessary
-void TieredThresholdPolicy::compile(const methodHandle& mh, int bci, CompLevel level, JavaThread* thread) {
-  assert(level <= TieredStopAtLevel, "Invalid compilation level");
-  if (level == CompLevel_none) {
-    return;
-  }
-  if (level == CompLevel_aot) {
-    if (mh->has_aot_code()) {
-      if (PrintTieredEvents) {
-        print_event(COMPILE, mh, mh, bci, level);
-      }
-      MutexLocker ml(Compile_lock);
-      NoSafepointVerifier nsv;
-      if (mh->has_aot_code() && mh->code() != mh->aot_code()) {
-        mh->aot_code()->make_entrant();
-        if (mh->has_compiled_code()) {
-          mh->code()->make_not_entrant();
-        }
-        MutexLocker pl(CompiledMethod_lock, Mutex::_no_safepoint_check_flag);
-        Method::set_code(mh, mh->aot_code());
-      }
-    }
-    return;
-  }
-
-  // Check if the method can be compiled. If it cannot be compiled with C1, continue profiling
-  // in the interpreter and then compile with C2 (the transition function will request that,
-  // see common() ). If the method cannot be compiled with C2 but still can with C1, compile it with
-  // pure C1.
-  if ((bci == InvocationEntryBci && !can_be_compiled(mh, level))) {
-    if (level == CompLevel_full_optimization && can_be_compiled(mh, CompLevel_simple)) {
-      compile(mh, bci, CompLevel_simple, thread);
-    }
-    return;
-  }
-  if ((bci != InvocationEntryBci && !can_be_osr_compiled(mh, level))) {
-    if (level == CompLevel_full_optimization && can_be_osr_compiled(mh, CompLevel_simple)) {
-      nmethod* osr_nm = mh->lookup_osr_nmethod_for(bci, CompLevel_simple, false);
-      if (osr_nm != NULL && osr_nm->comp_level() > CompLevel_simple) {
-        // Invalidate the existing OSR nmethod so that a compile at CompLevel_simple is permitted.
-        osr_nm->make_not_entrant();
-      }
-      compile(mh, bci, CompLevel_simple, thread);
-    }
-    return;
-  }
-  if (bci != InvocationEntryBci && mh->is_not_osr_compilable(level)) {
-    return;
-  }
-  if (!CompileBroker::compilation_is_in_queue(mh)) {
-    if (PrintTieredEvents) {
-      print_event(COMPILE, mh, mh, bci, level);
-    }
-    submit_compile(mh, bci, level, thread);
-  }
-}
-
-// Update the rate and submit compile
-void TieredThresholdPolicy::submit_compile(const methodHandle& mh, int bci, CompLevel level, JavaThread* thread) {
-  int hot_count = (bci == InvocationEntryBci) ? mh->invocation_count() : mh->backedge_count();
-  update_rate(os::javaTimeMillis(), mh());
-  CompileBroker::compile_method(mh, bci, level, mh, hot_count, CompileTask::Reason_Tiered, thread);
-}
-
-// Print an event.
-void TieredThresholdPolicy::print_specific(EventType type, const methodHandle& mh, const methodHandle& imh,
-                                             int bci, CompLevel level) {
-  tty->print(" rate=");
-  if (mh->prev_time() == 0) tty->print("n/a");
-  else tty->print("%f", mh->rate());
-
-  tty->print(" k=%.2lf,%.2lf", threshold_scale(CompLevel_full_profile, Tier3LoadFeedback),
-                               threshold_scale(CompLevel_full_optimization, Tier4LoadFeedback));
-
-}
-
-// update_rate() is called from select_task() while holding a compile queue lock.
-void TieredThresholdPolicy::update_rate(jlong t, Method* m) {
-  // Skip update if counters are absent.
-  // Can't allocate them since we are holding compile queue lock.
-  if (m->method_counters() == NULL)  return;
-
-  if (is_old(m)) {
-    // We don't remove old methods from the queue,
-    // so we can just zero the rate.
-    m->set_rate(0);
-    return;
-  }
-
-  // We don't update the rate if we've just came out of a safepoint.
-  // delta_s is the time since last safepoint in milliseconds.
-  jlong delta_s = t - SafepointTracing::end_of_last_safepoint_epoch_ms();
-  jlong delta_t = t - (m->prev_time() != 0 ? m->prev_time() : start_time()); // milliseconds since the last measurement
-  // How many events were there since the last time?
-  int event_count = m->invocation_count() + m->backedge_count();
-  int delta_e = event_count - m->prev_event_count();
-
-  // We should be running for at least 1ms.
-  if (delta_s >= TieredRateUpdateMinTime) {
-    // And we must've taken the previous point at least 1ms before.
-    if (delta_t >= TieredRateUpdateMinTime && delta_e > 0) {
-      m->set_prev_time(t);
-      m->set_prev_event_count(event_count);
-      m->set_rate((float)delta_e / (float)delta_t); // Rate is events per millisecond
-    } else {
-      if (delta_t > TieredRateUpdateMaxTime && delta_e == 0) {
-        // If nothing happened for 25ms, zero the rate. Don't modify prev values.
-        m->set_rate(0);
-      }
-    }
-  }
-}
-
-// Check if this method has been stale for a given number of milliseconds.
-// See select_task().
-bool TieredThresholdPolicy::is_stale(jlong t, jlong timeout, Method* m) {
-  jlong delta_s = t - SafepointTracing::end_of_last_safepoint_epoch_ms();
-  jlong delta_t = t - m->prev_time();
-  if (delta_t > timeout && delta_s > timeout) {
-    int event_count = m->invocation_count() + m->backedge_count();
-    int delta_e = event_count - m->prev_event_count();
-    // Return true if there were no events.
-    return delta_e == 0;
-  }
-  return false;
-}
-
-// We don't remove old methods from the compile queue even if they have
-// very low activity. See select_task().
-bool TieredThresholdPolicy::is_old(Method* method) {
-  return method->invocation_count() > 50000 || method->backedge_count() > 500000;
-}
-
-double TieredThresholdPolicy::weight(Method* method) {
-  return (double)(method->rate() + 1) *
-    (method->invocation_count() + 1) * (method->backedge_count() + 1);
-}
-
-// Apply heuristics and return true if x should be compiled before y
-bool TieredThresholdPolicy::compare_methods(Method* x, Method* y) {
-  if (x->highest_comp_level() > y->highest_comp_level()) {
-    // recompilation after deopt
-    return true;
-  } else
-    if (x->highest_comp_level() == y->highest_comp_level()) {
-      if (weight(x) > weight(y)) {
-        return true;
-      }
-    }
-  return false;
-}
-
-// Is method profiled enough?
-bool TieredThresholdPolicy::is_method_profiled(Method* method) {
-  MethodData* mdo = method->method_data();
-  if (mdo != NULL) {
-    int i = mdo->invocation_count_delta();
-    int b = mdo->backedge_count_delta();
-    return call_predicate_helper<CompLevel_full_profile>(i, b, 1, method);
-  }
-  return false;
-}
-
-double TieredThresholdPolicy::threshold_scale(CompLevel level, int feedback_k) {
-  double queue_size = CompileBroker::queue_size(level);
-  int comp_count = compiler_count(level);
-  double k = queue_size / (feedback_k * comp_count) + 1;
-
-  // Increase C1 compile threshold when the code cache is filled more
-  // than specified by IncreaseFirstTierCompileThresholdAt percentage.
-  // The main intention is to keep enough free space for C2 compiled code
-  // to achieve peak performance if the code cache is under stress.
-  if ((TieredStopAtLevel == CompLevel_full_optimization) && (level != CompLevel_full_optimization))  {
-    double current_reverse_free_ratio = CodeCache::reverse_free_ratio(CodeCache::get_code_blob_type(level));
-    if (current_reverse_free_ratio > _increase_threshold_at_ratio) {
-      k *= exp(current_reverse_free_ratio - _increase_threshold_at_ratio);
-    }
-  }
-  return k;
-}
-
-// Call and loop predicates determine whether a transition to a higher
-// compilation level should be performed (pointers to predicate functions
-// are passed to common()).
-// Tier?LoadFeedback is basically a coefficient that determines of
-// how many methods per compiler thread can be in the queue before
-// the threshold values double.
-bool TieredThresholdPolicy::loop_predicate(int i, int b, CompLevel cur_level, Method* method) {
-  switch(cur_level) {
-  case CompLevel_aot: {
-    double k = threshold_scale(CompLevel_full_profile, Tier3LoadFeedback);
-    return loop_predicate_helper<CompLevel_aot>(i, b, k, method);
-  }
-  case CompLevel_none:
-  case CompLevel_limited_profile: {
-    double k = threshold_scale(CompLevel_full_profile, Tier3LoadFeedback);
-    return loop_predicate_helper<CompLevel_none>(i, b, k, method);
-  }
-  case CompLevel_full_profile: {
-    double k = threshold_scale(CompLevel_full_optimization, Tier4LoadFeedback);
-    return loop_predicate_helper<CompLevel_full_profile>(i, b, k, method);
-  }
-  default:
-    return true;
-  }
-}
-
-bool TieredThresholdPolicy::call_predicate(int i, int b, CompLevel cur_level, Method* method) {
-  switch(cur_level) {
-  case CompLevel_aot: {
-    double k = threshold_scale(CompLevel_full_profile, Tier3LoadFeedback);
-    return call_predicate_helper<CompLevel_aot>(i, b, k, method);
-  }
-  case CompLevel_none:
-  case CompLevel_limited_profile: {
-    double k = threshold_scale(CompLevel_full_profile, Tier3LoadFeedback);
-    return call_predicate_helper<CompLevel_none>(i, b, k, method);
-  }
-  case CompLevel_full_profile: {
-    double k = threshold_scale(CompLevel_full_optimization, Tier4LoadFeedback);
-    return call_predicate_helper<CompLevel_full_profile>(i, b, k, method);
-  }
-  default:
-    return true;
-  }
-}
-
-// Determine is a method is mature.
-bool TieredThresholdPolicy::is_mature(Method* method) {
-  if (should_compile_at_level_simple(method)) return true;
-  MethodData* mdo = method->method_data();
-  if (mdo != NULL) {
-    int i = mdo->invocation_count();
-    int b = mdo->backedge_count();
-    double k = ProfileMaturityPercentage / 100.0;
-    return call_predicate_helper<CompLevel_full_profile>(i, b, k, method) ||
-           loop_predicate_helper<CompLevel_full_profile>(i, b, k, method);
-  }
-  return false;
-}
-
-// If a method is old enough and is still in the interpreter we would want to
-// start profiling without waiting for the compiled method to arrive.
-// We also take the load on compilers into the account.
-bool TieredThresholdPolicy::should_create_mdo(Method* method, CompLevel cur_level) {
-  if (cur_level == CompLevel_none &&
-      CompileBroker::queue_size(CompLevel_full_optimization) <=
-      Tier3DelayOn * compiler_count(CompLevel_full_optimization)) {
-    int i = method->invocation_count();
-    int b = method->backedge_count();
-    double k = Tier0ProfilingStartPercentage / 100.0;
-    return call_predicate_helper<CompLevel_none>(i, b, k, method) || loop_predicate_helper<CompLevel_none>(i, b, k, method);
-  }
-  return false;
-}
-
-// Inlining control: if we're compiling a profiled method with C1 and the callee
-// is known to have OSRed in a C2 version, don't inline it.
-bool TieredThresholdPolicy::should_not_inline(ciEnv* env, ciMethod* callee) {
-  CompLevel comp_level = (CompLevel)env->comp_level();
-  if (comp_level == CompLevel_full_profile ||
-      comp_level == CompLevel_limited_profile) {
-    return callee->highest_osr_comp_level() == CompLevel_full_optimization;
-  }
-  return false;
-}
-
-// Create MDO if necessary.
-void TieredThresholdPolicy::create_mdo(const methodHandle& mh, JavaThread* THREAD) {
-  if (mh->is_native() ||
-      mh->is_abstract() ||
-      mh->is_accessor() ||
-      mh->is_constant_getter()) {
-    return;
-  }
-  if (mh->method_data() == NULL) {
-    Method::build_interpreter_method_data(mh, CHECK_AND_CLEAR);
-  }
-}
-
-
-/*
- * Method states:
- *   0 - interpreter (CompLevel_none)
- *   1 - pure C1 (CompLevel_simple)
- *   2 - C1 with invocation and backedge counting (CompLevel_limited_profile)
- *   3 - C1 with full profiling (CompLevel_full_profile)
- *   4 - C2 (CompLevel_full_optimization)
- *
- * Common state transition patterns:
- * a. 0 -> 3 -> 4.
- *    The most common path. But note that even in this straightforward case
- *    profiling can start at level 0 and finish at level 3.
- *
- * b. 0 -> 2 -> 3 -> 4.
- *    This case occurs when the load on C2 is deemed too high. So, instead of transitioning
- *    into state 3 directly and over-profiling while a method is in the C2 queue we transition to
- *    level 2 and wait until the load on C2 decreases. This path is disabled for OSRs.
- *
- * c. 0 -> (3->2) -> 4.
- *    In this case we enqueue a method for compilation at level 3, but the C1 queue is long enough
- *    to enable the profiling to fully occur at level 0. In this case we change the compilation level
- *    of the method to 2 while the request is still in-queue, because it'll allow it to run much faster
- *    without full profiling while c2 is compiling.
- *
- * d. 0 -> 3 -> 1 or 0 -> 2 -> 1.
- *    After a method was once compiled with C1 it can be identified as trivial and be compiled to
- *    level 1. These transition can also occur if a method can't be compiled with C2 but can with C1.
- *
- * e. 0 -> 4.
- *    This can happen if a method fails C1 compilation (it will still be profiled in the interpreter)
- *    or because of a deopt that didn't require reprofiling (compilation won't happen in this case because
- *    the compiled version already exists).
- *
- * Note that since state 0 can be reached from any other state via deoptimization different loops
- * are possible.
- *
- */
-
-// Common transition function. Given a predicate determines if a method should transition to another level.
-CompLevel TieredThresholdPolicy::common(Predicate p, Method* method, CompLevel cur_level, bool disable_feedback) {
-  CompLevel next_level = cur_level;
-  int i = method->invocation_count();
-  int b = method->backedge_count();
-
-  if (should_compile_at_level_simple(method)) {
-    next_level = CompLevel_simple;
-  } else {
-    switch(cur_level) {
-      default: break;
-      case CompLevel_aot: {
-      // If we were at full profile level, would we switch to full opt?
-      if (common(p, method, CompLevel_full_profile, disable_feedback) == CompLevel_full_optimization) {
-        next_level = CompLevel_full_optimization;
-      } else if (disable_feedback || (CompileBroker::queue_size(CompLevel_full_optimization) <=
-                               Tier3DelayOff * compiler_count(CompLevel_full_optimization) &&
-                               (this->*p)(i, b, cur_level, method))) {
-        next_level = CompLevel_full_profile;
-      }
-    }
-    break;
-    case CompLevel_none:
-      // If we were at full profile level, would we switch to full opt?
-      if (common(p, method, CompLevel_full_profile, disable_feedback) == CompLevel_full_optimization) {
-        next_level = CompLevel_full_optimization;
-      } else if ((this->*p)(i, b, cur_level, method)) {
-#if INCLUDE_JVMCI
-        if (EnableJVMCI && UseJVMCICompiler) {
-          // Since JVMCI takes a while to warm up, its queue inevitably backs up during
-          // early VM execution. As of 2014-06-13, JVMCI's inliner assumes that the root
-          // compilation method and all potential inlinees have mature profiles (which
-          // includes type profiling). If it sees immature profiles, JVMCI's inliner
-          // can perform pathologically bad (e.g., causing OutOfMemoryErrors due to
-          // exploring/inlining too many graphs). Since a rewrite of the inliner is
-          // in progress, we simply disable the dialing back heuristic for now and will
-          // revisit this decision once the new inliner is completed.
-          next_level = CompLevel_full_profile;
-        } else
-#endif
-        {
-          // C1-generated fully profiled code is about 30% slower than the limited profile
-          // code that has only invocation and backedge counters. The observation is that
-          // if C2 queue is large enough we can spend too much time in the fully profiled code
-          // while waiting for C2 to pick the method from the queue. To alleviate this problem
-          // we introduce a feedback on the C2 queue size. If the C2 queue is sufficiently long
-          // we choose to compile a limited profiled version and then recompile with full profiling
-          // when the load on C2 goes down.
-          if (!disable_feedback && CompileBroker::queue_size(CompLevel_full_optimization) >
-              Tier3DelayOn * compiler_count(CompLevel_full_optimization)) {
-            next_level = CompLevel_limited_profile;
-          } else {
-            next_level = CompLevel_full_profile;
-          }
-        }
-      }
-      break;
-    case CompLevel_limited_profile:
-      if (is_method_profiled(method)) {
-        // Special case: we got here because this method was fully profiled in the interpreter.
-        next_level = CompLevel_full_optimization;
-      } else {
-        MethodData* mdo = method->method_data();
-        if (mdo != NULL) {
-          if (mdo->would_profile()) {
-            if (disable_feedback || (CompileBroker::queue_size(CompLevel_full_optimization) <=
-                                     Tier3DelayOff * compiler_count(CompLevel_full_optimization) &&
-                                     (this->*p)(i, b, cur_level, method))) {
-              next_level = CompLevel_full_profile;
-            }
-          } else {
-            next_level = CompLevel_full_optimization;
-          }
-        } else {
-          // If there is no MDO we need to profile
-          if (disable_feedback || (CompileBroker::queue_size(CompLevel_full_optimization) <=
-                                   Tier3DelayOff * compiler_count(CompLevel_full_optimization) &&
-                                   (this->*p)(i, b, cur_level, method))) {
-            next_level = CompLevel_full_profile;
-          }
-        }
-      }
-      break;
-    case CompLevel_full_profile:
-      {
-        MethodData* mdo = method->method_data();
-        if (mdo != NULL) {
-          if (mdo->would_profile()) {
-            int mdo_i = mdo->invocation_count_delta();
-            int mdo_b = mdo->backedge_count_delta();
-            if ((this->*p)(mdo_i, mdo_b, cur_level, method)) {
-              next_level = CompLevel_full_optimization;
-            }
-          } else {
-            next_level = CompLevel_full_optimization;
-          }
-        }
-      }
-      break;
-    }
-  }
-  return MIN2(next_level, (CompLevel)TieredStopAtLevel);
-}
-
-// Determine if a method should be compiled with a normal entry point at a different level.
-CompLevel TieredThresholdPolicy::call_event(Method* method, CompLevel cur_level, JavaThread * thread) {
-  CompLevel osr_level = MIN2((CompLevel) method->highest_osr_comp_level(),
-                             common(&TieredThresholdPolicy::loop_predicate, method, cur_level, true));
-  CompLevel next_level = common(&TieredThresholdPolicy::call_predicate, method, cur_level);
-
-  // If OSR method level is greater than the regular method level, the levels should be
-  // equalized by raising the regular method level in order to avoid OSRs during each
-  // invocation of the method.
-  if (osr_level == CompLevel_full_optimization && cur_level == CompLevel_full_profile) {
-    MethodData* mdo = method->method_data();
-    guarantee(mdo != NULL, "MDO should not be NULL");
-    if (mdo->invocation_count() >= 1) {
-      next_level = CompLevel_full_optimization;
-    }
-  } else {
-    next_level = MAX2(osr_level, next_level);
-  }
-  return next_level;
-}
-
-// Determine if we should do an OSR compilation of a given method.
-CompLevel TieredThresholdPolicy::loop_event(Method* method, CompLevel cur_level, JavaThread* thread) {
-  CompLevel next_level = common(&TieredThresholdPolicy::loop_predicate, method, cur_level, true);
-  if (cur_level == CompLevel_none) {
-    // If there is a live OSR method that means that we deopted to the interpreter
-    // for the transition.
-    CompLevel osr_level = MIN2((CompLevel)method->highest_osr_comp_level(), next_level);
-    if (osr_level > CompLevel_none) {
-      return osr_level;
-    }
-  }
-  return next_level;
-}
-
-bool TieredThresholdPolicy::maybe_switch_to_aot(const methodHandle& mh, CompLevel cur_level, CompLevel next_level, JavaThread* thread) {
-  if (UseAOT) {
-    if (cur_level == CompLevel_full_profile || cur_level == CompLevel_none) {
-      // If the current level is full profile or interpreter and we're switching to any other level,
-      // activate the AOT code back first so that we won't waste time overprofiling.
-      compile(mh, InvocationEntryBci, CompLevel_aot, thread);
-      // Fall through for JIT compilation.
-    }
-    if (next_level == CompLevel_limited_profile && cur_level != CompLevel_aot && mh->has_aot_code()) {
-      // If the next level is limited profile, use the aot code (if there is any),
-      // since it's essentially the same thing.
-      compile(mh, InvocationEntryBci, CompLevel_aot, thread);
-      // Not need to JIT, we're done.
-      return true;
-    }
-  }
-  return false;
-}
-
-
-// Handle the invocation event.
-void TieredThresholdPolicy::method_invocation_event(const methodHandle& mh, const methodHandle& imh,
-                                                      CompLevel level, CompiledMethod* nm, JavaThread* thread) {
-  if (should_create_mdo(mh(), level)) {
-    create_mdo(mh, thread);
-  }
-  CompLevel next_level = call_event(mh(), level, thread);
-  if (next_level != level) {
-    if (maybe_switch_to_aot(mh, level, next_level, thread)) {
-      // No JITting necessary
-      return;
-    }
-    if (is_compilation_enabled() && !CompileBroker::compilation_is_in_queue(mh)) {
-      compile(mh, InvocationEntryBci, next_level, thread);
-    }
-  }
-}
-
-// Handle the back branch event. Notice that we can compile the method
-// with a regular entry from here.
-void TieredThresholdPolicy::method_back_branch_event(const methodHandle& mh, const methodHandle& imh,
-                                                     int bci, CompLevel level, CompiledMethod* nm, JavaThread* thread) {
-  if (should_create_mdo(mh(), level)) {
-    create_mdo(mh, thread);
-  }
-  // Check if MDO should be created for the inlined method
-  if (should_create_mdo(imh(), level)) {
-    create_mdo(imh, thread);
-  }
-
-  if (is_compilation_enabled()) {
-    CompLevel next_osr_level = loop_event(imh(), level, thread);
-    CompLevel max_osr_level = (CompLevel)imh->highest_osr_comp_level();
-    // At the very least compile the OSR version
-    if (!CompileBroker::compilation_is_in_queue(imh) && (next_osr_level != level)) {
-      compile(imh, bci, next_osr_level, thread);
-    }
-
-    // Use loop event as an opportunity to also check if there's been
-    // enough calls.
-    CompLevel cur_level, next_level;
-    if (mh() != imh()) { // If there is an enclosing method
-      if (level == CompLevel_aot) {
-        // Recompile the enclosing method to prevent infinite OSRs. Stay at AOT level while it's compiling.
-        if (max_osr_level != CompLevel_none && !CompileBroker::compilation_is_in_queue(mh)) {
-          compile(mh, InvocationEntryBci, MIN2((CompLevel)TieredStopAtLevel, CompLevel_full_profile), thread);
-        }
-      } else {
-        // Current loop event level is not AOT
-        guarantee(nm != NULL, "Should have nmethod here");
-        cur_level = comp_level(mh());
-        next_level = call_event(mh(), cur_level, thread);
-
-        if (max_osr_level == CompLevel_full_optimization) {
-          // The inlinee OSRed to full opt, we need to modify the enclosing method to avoid deopts
-          bool make_not_entrant = false;
-          if (nm->is_osr_method()) {
-            // This is an osr method, just make it not entrant and recompile later if needed
-            make_not_entrant = true;
-          } else {
-            if (next_level != CompLevel_full_optimization) {
-              // next_level is not full opt, so we need to recompile the
-              // enclosing method without the inlinee
-              cur_level = CompLevel_none;
-              make_not_entrant = true;
-            }
-          }
-          if (make_not_entrant) {
-            if (PrintTieredEvents) {
-              int osr_bci = nm->is_osr_method() ? nm->osr_entry_bci() : InvocationEntryBci;
-              print_event(MAKE_NOT_ENTRANT, mh(), mh(), osr_bci, level);
-            }
-            nm->make_not_entrant();
-          }
-        }
-        // Fix up next_level if necessary to avoid deopts
-        if (next_level == CompLevel_limited_profile && max_osr_level == CompLevel_full_profile) {
-          next_level = CompLevel_full_profile;
-        }
-        if (cur_level != next_level) {
-          if (!maybe_switch_to_aot(mh, cur_level, next_level, thread) && !CompileBroker::compilation_is_in_queue(mh)) {
-            compile(mh, InvocationEntryBci, next_level, thread);
-          }
-        }
-      }
-    } else {
-      cur_level = comp_level(mh());
-      next_level = call_event(mh(), cur_level, thread);
-      if (next_level != cur_level) {
-        if (!maybe_switch_to_aot(mh, cur_level, next_level, thread) && !CompileBroker::compilation_is_in_queue(mh)) {
-          compile(mh, InvocationEntryBci, next_level, thread);
-        }
-      }
-    }
-  }
-}
-
-#endif
--- a/src/hotspot/share/runtime/tieredThresholdPolicy.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,278 +0,0 @@
-/*
- * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef SHARE_RUNTIME_TIEREDTHRESHOLDPOLICY_HPP
-#define SHARE_RUNTIME_TIEREDTHRESHOLDPOLICY_HPP
-
-#include "code/nmethod.hpp"
-#include "oops/methodData.hpp"
-#include "runtime/compilationPolicy.hpp"
-#include "utilities/globalDefinitions.hpp"
-
-#ifdef TIERED
-
-class CompileTask;
-class CompileQueue;
-/*
- *  The system supports 5 execution levels:
- *  * level 0 - interpreter
- *  * level 1 - C1 with full optimization (no profiling)
- *  * level 2 - C1 with invocation and backedge counters
- *  * level 3 - C1 with full profiling (level 2 + MDO)
- *  * level 4 - C2
- *
- * Levels 0, 2 and 3 periodically notify the runtime about the current value of the counters
- * (invocation counters and backedge counters). The frequency of these notifications is
- * different at each level. These notifications are used by the policy to decide what transition
- * to make.
- *
- * Execution starts at level 0 (interpreter), then the policy can decide either to compile the
- * method at level 3 or level 2. The decision is based on the following factors:
- *    1. The length of the C2 queue determines the next level. The observation is that level 2
- * is generally faster than level 3 by about 30%, therefore we would want to minimize the time
- * a method spends at level 3. We should only spend the time at level 3 that is necessary to get
- * adequate profiling. So, if the C2 queue is long enough it is more beneficial to go first to
- * level 2, because if we transitioned to level 3 we would be stuck there until our C2 compile
- * request makes its way through the long queue. When the load on C2 recedes we are going to
- * recompile at level 3 and start gathering profiling information.
- *    2. The length of C1 queue is used to dynamically adjust the thresholds, so as to introduce
- * additional filtering if the compiler is overloaded. The rationale is that by the time a
- * method gets compiled it can become unused, so it doesn't make sense to put too much onto the
- * queue.
- *
- * After profiling is completed at level 3 the transition is made to level 4. Again, the length
- * of the C2 queue is used as a feedback to adjust the thresholds.
- *
- * After the first C1 compile some basic information is determined about the code like the number
- * of the blocks and the number of the loops. Based on that it can be decided that a method
- * is trivial and compiling it with C1 will yield the same code. In this case the method is
- * compiled at level 1 instead of 4.
- *
- * We also support profiling at level 0. If C1 is slow enough to produce the level 3 version of
- * the code and the C2 queue is sufficiently small we can decide to start profiling in the
- * interpreter (and continue profiling in the compiled code once the level 3 version arrives).
- * If the profiling at level 0 is fully completed before level 3 version is produced, a level 2
- * version is compiled instead in order to run faster waiting for a level 4 version.
- *
- * Compile queues are implemented as priority queues - for each method in the queue we compute
- * the event rate (the number of invocation and backedge counter increments per unit of time).
- * When getting an element off the queue we pick the one with the largest rate. Maintaining the
- * rate also allows us to remove stale methods (the ones that got on the queue but stopped
- * being used shortly after that).
-*/
-
-/* Command line options:
- * - Tier?InvokeNotifyFreqLog and Tier?BackedgeNotifyFreqLog control the frequency of method
- *   invocation and backedge notifications. Basically every n-th invocation or backedge a mutator thread
- *   makes a call into the runtime.
- *
- * - Tier?InvocationThreshold, Tier?CompileThreshold, Tier?BackEdgeThreshold, Tier?MinInvocationThreshold control
- *   compilation thresholds.
- *   Level 2 thresholds are not used and are provided for option-compatibility and potential future use.
- *   Other thresholds work as follows:
- *
- *   Transition from interpreter (level 0) to C1 with full profiling (level 3) happens when
- *   the following predicate is true (X is the level):
- *
- *   i > TierXInvocationThreshold * s || (i > TierXMinInvocationThreshold * s  && i + b > TierXCompileThreshold * s),
- *
- *   where $i$ is the number of method invocations, $b$ number of backedges and $s$ is the scaling
- *   coefficient that will be discussed further.
- *   The intuition is to equalize the time that is spend profiling each method.
- *   The same predicate is used to control the transition from level 3 to level 4 (C2). It should be
- *   noted though that the thresholds are relative. Moreover i and b for the 0->3 transition come
- *   from Method* and for 3->4 transition they come from MDO (since profiled invocations are
- *   counted separately). Finally, if a method does not contain anything worth profiling, a transition
- *   from level 3 to level 4 occurs without considering thresholds (e.g., with fewer invocations than
- *   what is specified by Tier4InvocationThreshold).
- *
- *   OSR transitions are controlled simply with b > TierXBackEdgeThreshold * s predicates.
- *
- * - Tier?LoadFeedback options are used to automatically scale the predicates described above depending
- *   on the compiler load. The scaling coefficients are computed as follows:
- *
- *   s = queue_size_X / (TierXLoadFeedback * compiler_count_X) + 1,
- *
- *   where queue_size_X is the current size of the compiler queue of level X, and compiler_count_X
- *   is the number of level X compiler threads.
- *
- *   Basically these parameters describe how many methods should be in the compile queue
- *   per compiler thread before the scaling coefficient increases by one.
- *
- *   This feedback provides the mechanism to automatically control the flow of compilation requests
- *   depending on the machine speed, mutator load and other external factors.
- *
- * - Tier3DelayOn and Tier3DelayOff parameters control another important feedback loop.
- *   Consider the following observation: a method compiled with full profiling (level 3)
- *   is about 30% slower than a method at level 2 (just invocation and backedge counters, no MDO).
- *   Normally, the following transitions will occur: 0->3->4. The problem arises when the C2 queue
- *   gets congested and the 3->4 transition is delayed. While the method is the C2 queue it continues
- *   executing at level 3 for much longer time than is required by the predicate and at suboptimal speed.
- *   The idea is to dynamically change the behavior of the system in such a way that if a substantial
- *   load on C2 is detected we would first do the 0->2 transition allowing a method to run faster.
- *   And then when the load decreases to allow 2->3 transitions.
- *
- *   Tier3Delay* parameters control this switching mechanism.
- *   Tier3DelayOn is the number of methods in the C2 queue per compiler thread after which the policy
- *   no longer does 0->3 transitions but does 0->2 transitions instead.
- *   Tier3DelayOff switches the original behavior back when the number of methods in the C2 queue
- *   per compiler thread falls below the specified amount.
- *   The hysteresis is necessary to avoid jitter.
- *
- * - TieredCompileTaskTimeout is the amount of time an idle method can spend in the compile queue.
- *   Basically, since we use the event rate d(i + b)/dt as a value of priority when selecting a method to
- *   compile from the compile queue, we also can detect stale methods for which the rate has been
- *   0 for some time in the same iteration. Stale methods can appear in the queue when an application
- *   abruptly changes its behavior.
- *
- * - TieredStopAtLevel, is used mostly for testing. It allows to bypass the policy logic and stick
- *   to a given level. For example it's useful to set TieredStopAtLevel = 1 in order to compile everything
- *   with pure c1.
- *
- * - Tier0ProfilingStartPercentage allows the interpreter to start profiling when the inequalities in the
- *   0->3 predicate are already exceeded by the given percentage but the level 3 version of the
- *   method is still not ready. We can even go directly from level 0 to 4 if c1 doesn't produce a compiled
- *   version in time. This reduces the overall transition to level 4 and decreases the startup time.
- *   Note that this behavior is also guarded by the Tier3Delay mechanism: when the c2 queue is too long
- *   these is not reason to start profiling prematurely.
- *
- * - TieredRateUpdateMinTime and TieredRateUpdateMaxTime are parameters of the rate computation.
- *   Basically, the rate is not computed more frequently than TieredRateUpdateMinTime and is considered
- *   to be zero if no events occurred in TieredRateUpdateMaxTime.
- */
-
-class TieredThresholdPolicy : public CompilationPolicy {
-  jlong _start_time;
-  int _c1_count, _c2_count;
-
-  // Check if the counter is big enough and set carry (effectively infinity).
-  inline void set_carry_if_necessary(InvocationCounter *counter);
-  // Set carry flags in the counters (in Method* and MDO).
-  inline void handle_counter_overflow(Method* method);
-  // Call and loop predicates determine whether a transition to a higher compilation
-  // level should be performed (pointers to predicate functions are passed to common_TF().
-  // Predicates also take compiler load into account.
-  typedef bool (TieredThresholdPolicy::*Predicate)(int i, int b, CompLevel cur_level, Method* method);
-  bool call_predicate(int i, int b, CompLevel cur_level, Method* method);
-  bool loop_predicate(int i, int b, CompLevel cur_level, Method* method);
-  // Common transition function. Given a predicate determines if a method should transition to another level.
-  CompLevel common(Predicate p, Method* method, CompLevel cur_level, bool disable_feedback = false);
-  // Transition functions.
-  // call_event determines if a method should be compiled at a different
-  // level with a regular invocation entry.
-  CompLevel call_event(Method* method, CompLevel cur_level, JavaThread* thread);
-  // loop_event checks if a method should be OSR compiled at a different
-  // level.
-  CompLevel loop_event(Method* method, CompLevel cur_level, JavaThread* thread);
-  void print_counters(const char* prefix, const methodHandle& mh);
-  // Has a method been long around?
-  // We don't remove old methods from the compile queue even if they have
-  // very low activity (see select_task()).
-  inline bool is_old(Method* method);
-  // Was a given method inactive for a given number of milliseconds.
-  // If it is, we would remove it from the queue (see select_task()).
-  inline bool is_stale(jlong t, jlong timeout, Method* m);
-  // Compute the weight of the method for the compilation scheduling
-  inline double weight(Method* method);
-  // Apply heuristics and return true if x should be compiled before y
-  inline bool compare_methods(Method* x, Method* y);
-  // Compute event rate for a given method. The rate is the number of event (invocations + backedges)
-  // per millisecond.
-  inline void update_rate(jlong t, Method* m);
-  // Compute threshold scaling coefficient
-  inline double threshold_scale(CompLevel level, int feedback_k);
-  // If a method is old enough and is still in the interpreter we would want to
-  // start profiling without waiting for the compiled method to arrive. This function
-  // determines whether we should do that.
-  inline bool should_create_mdo(Method* method, CompLevel cur_level);
-  // Create MDO if necessary.
-  void create_mdo(const methodHandle& mh, JavaThread* thread);
-  // Is method profiled enough?
-  bool is_method_profiled(Method* method);
-
-  double _increase_threshold_at_ratio;
-
-  bool maybe_switch_to_aot(const methodHandle& mh, CompLevel cur_level, CompLevel next_level, JavaThread* thread);
-
-  int c1_count() const     { return _c1_count; }
-  int c2_count() const     { return _c2_count; }
-  void set_c1_count(int x) { _c1_count = x;    }
-  void set_c2_count(int x) { _c2_count = x;    }
-
-  enum EventType { CALL, LOOP, COMPILE, REMOVE_FROM_QUEUE, UPDATE_IN_QUEUE, REPROFILE, MAKE_NOT_ENTRANT };
-  void print_event(EventType type, const methodHandle& mh, const methodHandle& imh, int bci, CompLevel level);
-  // Print policy-specific information if necessary
-  void print_specific(EventType type, const methodHandle& mh, const methodHandle& imh, int bci, CompLevel level);
-  // Check if the method can be compiled, change level if necessary
-  void compile(const methodHandle& mh, int bci, CompLevel level, JavaThread* thread);
-  // Submit a given method for compilation
-  void submit_compile(const methodHandle& mh, int bci, CompLevel level, JavaThread* thread);
-  // Simple methods are as good being compiled with C1 as C2.
-  // This function tells if it's such a function.
-  inline static bool is_trivial(Method* method);
-  // Force method to be compiled at CompLevel_simple?
-  inline static bool should_compile_at_level_simple(Method* method);
-
-  // Predicate helpers are used by .*_predicate() methods as well as others.
-  // They check the given counter values, multiplied by the scale against the thresholds.
-  template<CompLevel level> static inline bool call_predicate_helper(int i, int b, double scale, Method* method);
-  template<CompLevel level> static inline bool loop_predicate_helper(int i, int b, double scale, Method* method);
-
-  // Get a compilation level for a given method.
-  static CompLevel comp_level(Method* method);
-  void method_invocation_event(const methodHandle& method, const methodHandle& inlinee,
-                               CompLevel level, CompiledMethod* nm, JavaThread* thread);
-  void method_back_branch_event(const methodHandle& method, const methodHandle& inlinee,
-                                int bci, CompLevel level, CompiledMethod* nm, JavaThread* thread);
-
-  void set_increase_threshold_at_ratio() { _increase_threshold_at_ratio = 100 / (100 - (double)IncreaseFirstTierCompileThresholdAt); }
-  void set_start_time(jlong t) { _start_time = t;    }
-  jlong start_time() const     { return _start_time; }
-
-public:
-  TieredThresholdPolicy() : _start_time(0), _c1_count(0), _c2_count(0) { }
-  virtual int compiler_count(CompLevel comp_level) {
-    if (is_c1_compile(comp_level)) return c1_count();
-    if (is_c2_compile(comp_level)) return c2_count();
-    return 0;
-  }
-  virtual CompLevel initial_compile_level() { return MIN2((CompLevel)TieredStopAtLevel, CompLevel_initial_compile); }
-  virtual void do_safepoint_work() { }
-  virtual void delay_compilation(Method* method) { }
-  virtual void disable_compilation(Method* method) { }
-  virtual void reprofile(ScopeDesc* trap_scope, bool is_osr);
-  virtual nmethod* event(const methodHandle& method, const methodHandle& inlinee,
-                         int branch_bci, int bci, CompLevel comp_level, CompiledMethod* nm, JavaThread* thread);
-  // Select task is called by CompileBroker. We should return a task or NULL.
-  virtual CompileTask* select_task(CompileQueue* compile_queue);
-  // Tell the runtime if we think a given method is adequately profiled.
-  virtual bool is_mature(Method* method);
-  // Initialize: set compiler thread count
-  virtual void initialize();
-  virtual bool should_not_inline(ciEnv* env, ciMethod* callee);
-};
-
-#endif // TIERED
-
-#endif // SHARE_RUNTIME_TIEREDTHRESHOLDPOLICY_HPP
--- a/src/hotspot/share/runtime/vmStructs.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/runtime/vmStructs.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -88,6 +88,7 @@
 #include "runtime/globals.hpp"
 #include "runtime/java.hpp"
 #include "runtime/javaCalls.hpp"
+#include "runtime/notificationThread.hpp"
 #include "runtime/os.hpp"
 #include "runtime/perfMemory.hpp"
 #include "runtime/serviceThread.hpp"
@@ -1366,6 +1367,7 @@
       declare_type(JavaThread, Thread)                                    \
         declare_type(JvmtiAgentThread, JavaThread)                        \
         declare_type(ServiceThread, JavaThread)                           \
+        declare_type(NotificationThread, JavaThread)                      \
         declare_type(CompilerThread, JavaThread)                          \
         declare_type(CodeCacheSweeperThread, JavaThread)                  \
   declare_toplevel_type(OSThread)                                         \
--- a/src/hotspot/share/services/diagnosticFramework.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/services/diagnosticFramework.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -437,9 +437,9 @@
 }
 
 void DCmdFactory::push_jmx_notification_request() {
-  MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
+  MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
   _has_pending_jmx_notification = true;
-  Service_lock->notify_all();
+  Notification_lock->notify_all();
 }
 
 void DCmdFactory::send_notification(TRAPS) {
@@ -455,7 +455,7 @@
   HandleMark hm(THREAD);
   bool notif = false;
   {
-    MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
+    MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
     notif = _has_pending_jmx_notification;
     _has_pending_jmx_notification = false;
   }
--- a/src/hotspot/share/services/gcNotifier.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/services/gcNotifier.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -54,18 +54,18 @@
  }
 
 void GCNotifier::addRequest(GCNotificationRequest *request) {
-  MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
+  MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
   if(first_request == NULL) {
     first_request = request;
   } else {
     last_request->next = request;
   }
   last_request = request;
-  Service_lock->notify_all();
+  Notification_lock->notify_all();
 }
 
 GCNotificationRequest *GCNotifier::getRequest() {
-  MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
+  MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
   GCNotificationRequest *request = first_request;
   if(first_request != NULL) {
     first_request = first_request->next;
--- a/src/hotspot/share/services/lowMemoryDetector.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/services/lowMemoryDetector.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -40,7 +40,7 @@
 volatile jint LowMemoryDetector::_disabled_count = 0;
 
 bool LowMemoryDetector::has_pending_requests() {
-  assert(Service_lock->owned_by_self(), "Must own Service_lock");
+  assert(Notification_lock->owned_by_self(), "Must own Notification_lock");
   bool has_requests = false;
   int num_memory_pools = MemoryService::num_memory_pools();
   for (int i = 0; i < num_memory_pools; i++) {
@@ -62,7 +62,7 @@
   ResourceMark rm(THREAD);
   HandleMark hm(THREAD);
 
-  // No need to hold Service_lock to call out to Java
+  // No need to hold Notification_lock to call out to Java
   int num_memory_pools = MemoryService::num_memory_pools();
   for (int i = 0; i < num_memory_pools; i++) {
     MemoryPool* pool = MemoryService::get_memory_pool(i);
@@ -80,7 +80,7 @@
 // This method could be called from any Java threads
 // and also VMThread.
 void LowMemoryDetector::detect_low_memory() {
-  MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
+  MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
 
   bool has_pending_requests = false;
   int num_memory_pools = MemoryService::num_memory_pools();
@@ -98,7 +98,7 @@
   }
 
   if (has_pending_requests) {
-    Service_lock->notify_all();
+    Notification_lock->notify_all();
   }
 }
 
@@ -113,14 +113,14 @@
   }
 
   {
-    MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
+    MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
 
     MemoryUsage usage = pool->get_memory_usage();
     sensor->set_gauge_sensor_level(usage,
                                    pool->usage_threshold());
     if (sensor->has_pending_requests()) {
       // notify sensor state update
-      Service_lock->notify_all();
+      Notification_lock->notify_all();
     }
   }
 }
@@ -135,14 +135,14 @@
   }
 
   {
-    MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
+    MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
 
     MemoryUsage usage = pool->get_last_collection_usage();
     sensor->set_counter_sensor_level(usage, pool->gc_usage_threshold());
 
     if (sensor->has_pending_requests()) {
       // notify sensor state update
-      Service_lock->notify_all();
+      Notification_lock->notify_all();
     }
   }
 }
@@ -205,7 +205,7 @@
 // If the current level is between high and low threshold, no change.
 //
 void SensorInfo::set_gauge_sensor_level(MemoryUsage usage, ThresholdSupport* high_low_threshold) {
-  assert(Service_lock->owned_by_self(), "Must own Service_lock");
+  assert(Notification_lock->owned_by_self(), "Must own Notification_lock");
   assert(high_low_threshold->is_high_threshold_supported(), "just checking");
 
   bool is_over_high = high_low_threshold->is_high_threshold_crossed(usage);
@@ -260,7 +260,7 @@
 //      the sensor will be on (i.e. sensor is currently off
 //      and has pending trigger requests).
 void SensorInfo::set_counter_sensor_level(MemoryUsage usage, ThresholdSupport* counter_threshold) {
-  assert(Service_lock->owned_by_self(), "Must own Service_lock");
+  assert(Notification_lock->owned_by_self(), "Must own Notification_lock");
   assert(counter_threshold->is_high_threshold_supported(), "just checking");
 
   bool is_over_high = counter_threshold->is_high_threshold_crossed(usage);
@@ -334,8 +334,8 @@
   }
 
   {
-    // Holds Service_lock and update the sensor state
-    MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
+    // Holds Notification_lock and update the sensor state
+    MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
     assert(_pending_trigger_count > 0, "Must have pending trigger");
     _sensor_on = true;
     _sensor_count += count;
@@ -345,8 +345,8 @@
 
 void SensorInfo::clear(int count, TRAPS) {
   {
-    // Holds Service_lock and update the sensor state
-    MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
+    // Holds Notification_lock and update the sensor state
+    MutexLocker ml(Notification_lock, Mutex::_no_safepoint_check_flag);
     if (_pending_clear_count == 0) {
       // Bail out if we lost a race to set_*_sensor_level() which may have
       // reactivated the sensor in the meantime because it was triggered again.
--- a/src/hotspot/share/services/lowMemoryDetector.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/services/lowMemoryDetector.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -59,7 +59,8 @@
 //
 // May need to deal with hysteresis effect.
 //
-// Memory detection code runs in the Service thread (serviceThread.hpp).
+// Memory detection code runs in the Notification thread or
+// ServiceThread depending on UseNotificationThread flag.
 
 class OopClosure;
 class MemoryPool;
@@ -214,6 +215,7 @@
 class LowMemoryDetector : public AllStatic {
   friend class LowMemoryDetectorDisabler;
   friend class ServiceThread;
+  friend class NotificationThread;
 private:
   // true if any collected heap has low memory detection enabled
   static volatile bool _enabled_for_collected_pools;
--- a/src/hotspot/share/services/management.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/services/management.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -44,6 +44,7 @@
 #include "runtime/interfaceSupport.inline.hpp"
 #include "runtime/javaCalls.hpp"
 #include "runtime/jniHandles.inline.hpp"
+#include "runtime/notificationThread.hpp"
 #include "runtime/os.hpp"
 #include "runtime/serviceThread.hpp"
 #include "runtime/thread.inline.hpp"
@@ -148,7 +149,9 @@
 void Management::initialize(TRAPS) {
   // Start the service thread
   ServiceThread::initialize();
-
+  if (UseNotificationThread) {
+    NotificationThread::initialize();
+  }
   if (ManagementServer) {
     ResourceMark rm(THREAD);
     HandleMark hm(THREAD);
--- a/src/hotspot/share/services/threadIdTable.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/services/threadIdTable.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -46,6 +46,7 @@
 static volatile size_t _items_count = 0;
 
 volatile bool ThreadIdTable::_is_initialized = false;
+volatile bool ThreadIdTable::_has_work = false;
 
 class ThreadIdTableEntry : public CHeapObj<mtInternal> {
 private:
@@ -141,6 +142,26 @@
   return (size_t)1 << _local_table->get_size_log2(Thread::current());
 }
 
+void ThreadIdTable::check_concurrent_work() {
+  if (_has_work) {
+    return;
+  }
+
+  double load_factor = get_load_factor();
+  // Resize if we have more items than preferred load factor
+  if ( load_factor > PREF_AVG_LIST_LEN && !_local_table->is_max_size_reached()) {
+    log_debug(thread, table)("Concurrent work triggered, load factor: %g",
+                             load_factor);
+    trigger_concurrent_work();
+  }
+}
+
+void ThreadIdTable::trigger_concurrent_work() {
+  MutexLocker ml(Service_lock, Mutex::_no_safepoint_check_flag);
+  _has_work = true;
+  Service_lock->notify_all();
+}
+
 void ThreadIdTable::grow(JavaThread* jt) {
   ThreadIdTableHash::GrowTask gt(_local_table);
   if (!gt.prepare(jt)) {
@@ -192,13 +213,13 @@
   }
 };
 
-void ThreadIdTable::grow_if_required() {
-  assert(Thread::current()->is_Java_thread(),"Must be Java thread");
+void ThreadIdTable::do_concurrent_work(JavaThread* jt) {
   assert(_is_initialized, "Thread table is not initialized");
+  _has_work = false;
   double load_factor = get_load_factor();
   log_debug(thread, table)("Concurrent work, load factor: %g", load_factor);
   if (load_factor > PREF_AVG_LIST_LEN && !_local_table->is_max_size_reached()) {
-    grow(JavaThread::current());
+    grow(jt);
   }
 }
 
@@ -215,7 +236,7 @@
     // The hash table takes ownership of the ThreadTableEntry,
     // even if it's not inserted.
     if (_local_table->insert(thread, lookup, entry)) {
-      grow_if_required();
+      check_concurrent_work();
       return java_thread;
     }
   }
--- a/src/hotspot/share/services/threadIdTable.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/services/threadIdTable.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -36,6 +36,7 @@
   friend class ThreadIdTableConfig;
 
   static volatile bool _is_initialized;
+  static volatile bool _has_work;
 
 public:
   // Initialization
@@ -47,12 +48,17 @@
   static JavaThread* add_thread(jlong tid, JavaThread* thread);
   static bool remove_thread(jlong tid);
 
+  // Growing
+  static bool has_work() { return _has_work; }
+  static void do_concurrent_work(JavaThread* jt);
+
 private:
   static void create_table(size_t size);
 
   static size_t table_size();
   static double get_load_factor();
-  static void grow_if_required();
+  static void check_concurrent_work();
+  static void trigger_concurrent_work();
   static void grow(JavaThread* jt);
 
   static void item_added();
--- a/src/hotspot/share/services/threadService.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/services/threadService.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 #include "oops/objArrayKlass.hpp"
 #include "oops/objArrayOop.inline.hpp"
 #include "oops/oop.inline.hpp"
+#include "prims/jvmtiRawMonitor.hpp"
 #include "runtime/atomic.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/init.hpp"
@@ -217,10 +218,10 @@
   } else {
     ObjectMonitor *enter_obj = thread->current_pending_monitor();
     if (enter_obj != NULL) {
-      // thread is trying to enter() or raw_enter() an ObjectMonitor.
+      // thread is trying to enter() an ObjectMonitor.
       obj = (oop) enter_obj->object();
+      assert(obj != NULL, "ObjectMonitor should have an associated object!");
     }
-    // If obj == NULL, then ObjectMonitor is raw which doesn't count.
   }
 
   Handle h(Thread::current(), obj);
@@ -354,13 +355,15 @@
   }
 }
 
-// Find deadlocks involving object monitors and concurrent locks if concurrent_locks is true
+// Find deadlocks involving raw monitors, object monitors and concurrent locks
+// if concurrent_locks is true.
 DeadlockCycle* ThreadService::find_deadlocks_at_safepoint(ThreadsList * t_list, bool concurrent_locks) {
   assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint");
 
   // This code was modified from the original Threads::find_deadlocks code.
   int globalDfn = 0, thisDfn;
   ObjectMonitor* waitingToLockMonitor = NULL;
+  JvmtiRawMonitor* waitingToLockRawMonitor = NULL;
   oop waitingToLockBlocker = NULL;
   bool blocked_on_monitor = false;
   JavaThread *currentThread, *previousThread;
@@ -391,13 +394,30 @@
     // When there is a deadlock, all the monitors involved in the dependency
     // cycle must be contended and heavyweight. So we only care about the
     // heavyweight monitor a thread is waiting to lock.
-    waitingToLockMonitor = (ObjectMonitor*)jt->current_pending_monitor();
+    waitingToLockMonitor = jt->current_pending_monitor();
+    // JVM TI raw monitors can also be involved in deadlocks, and we can be
+    // waiting to lock both a raw monitor and ObjectMonitor at the same time.
+    // It isn't clear how to make deadlock detection work correctly if that
+    // happens.
+    waitingToLockRawMonitor = jt->current_pending_raw_monitor();
+
     if (concurrent_locks) {
       waitingToLockBlocker = jt->current_park_blocker();
     }
-    while (waitingToLockMonitor != NULL || waitingToLockBlocker != NULL) {
+
+    while (waitingToLockMonitor != NULL ||
+           waitingToLockRawMonitor != NULL ||
+           waitingToLockBlocker != NULL) {
       cycle->add_thread(currentThread);
-      if (waitingToLockMonitor != NULL) {
+      // Give preference to the raw monitor
+      if (waitingToLockRawMonitor != NULL) {
+        Thread* owner = waitingToLockRawMonitor->owner();
+        if (owner != NULL && // the raw monitor could be released at any time
+            owner->is_Java_thread()) {
+          // only JavaThreads can be reported here
+          currentThread = (JavaThread*) owner;
+        }
+      } else if (waitingToLockMonitor != NULL) {
         address currentOwner = (address)waitingToLockMonitor->owner();
         if (currentOwner != NULL) {
           currentThread = Threads::owning_thread_from_monitor_owner(t_list,
@@ -948,28 +968,44 @@
 
   JavaThread* currentThread;
   ObjectMonitor* waitingToLockMonitor;
+  JvmtiRawMonitor* waitingToLockRawMonitor;
   oop waitingToLockBlocker;
   int len = _threads->length();
   for (int i = 0; i < len; i++) {
     currentThread = _threads->at(i);
-    waitingToLockMonitor = (ObjectMonitor*)currentThread->current_pending_monitor();
+    waitingToLockMonitor = currentThread->current_pending_monitor();
+    waitingToLockRawMonitor = currentThread->current_pending_raw_monitor();
     waitingToLockBlocker = currentThread->current_park_blocker();
     st->cr();
     st->print_cr("\"%s\":", currentThread->get_thread_name());
     const char* owner_desc = ",\n  which is held by";
+
+    // Note: As the JVM TI "monitor contended enter" event callback is executed after ObjectMonitor
+    // sets the current pending monitor, it is possible to then see a pending raw monitor as well.
+    if (waitingToLockRawMonitor != NULL) {
+      st->print("  waiting to lock JVM TI raw monitor " INTPTR_FORMAT, p2i(waitingToLockRawMonitor));
+      Thread* owner = waitingToLockRawMonitor->owner();
+      // Could be NULL as the raw monitor could be released at any time if held by non-JavaThread
+      if (owner != NULL) {
+        if (owner->is_Java_thread()) {
+          currentThread = (JavaThread*) owner;
+          st->print_cr("%s \"%s\"", owner_desc, currentThread->get_thread_name());
+        } else {
+          st->print_cr(",\n  which has now been released");
+        }
+      } else {
+        st->print_cr("%s non-Java thread=" PTR_FORMAT, owner_desc, p2i(owner));
+      }
+    }
+
     if (waitingToLockMonitor != NULL) {
       st->print("  waiting to lock monitor " INTPTR_FORMAT, p2i(waitingToLockMonitor));
       oop obj = (oop)waitingToLockMonitor->object();
-      if (obj != NULL) {
-        st->print(" (object " INTPTR_FORMAT ", a %s)", p2i(obj),
-                   obj->klass()->external_name());
+      st->print(" (object " INTPTR_FORMAT ", a %s)", p2i(obj),
+                 obj->klass()->external_name());
 
-        if (!currentThread->current_pending_monitor_is_from_java()) {
-          owner_desc = "\n  in JNI, which is held by";
-        }
-      } else {
-        // No Java object associated - a JVMTI raw monitor
-        owner_desc = " (JVMTI raw monitor),\n  which is held by";
+      if (!currentThread->current_pending_monitor_is_from_java()) {
+        owner_desc = "\n  in JNI, which is held by";
       }
       currentThread = Threads::owning_thread_from_monitor_owner(t_list,
                                                                 (address)waitingToLockMonitor->owner());
@@ -978,7 +1014,7 @@
         // that owns waitingToLockMonitor should be findable, but
         // if it is not findable, then the previous currentThread is
         // blocked permanently.
-        st->print("%s UNKNOWN_owner_addr=" PTR_FORMAT, owner_desc,
+        st->print_cr("%s UNKNOWN_owner_addr=" PTR_FORMAT, owner_desc,
                   p2i(waitingToLockMonitor->owner()));
         continue;
       }
@@ -992,11 +1028,10 @@
       currentThread = java_lang_Thread::thread(ownerObj);
       assert(currentThread != NULL, "AbstractOwnableSynchronizer owning thread is unexpectedly NULL");
     }
-    st->print("%s \"%s\"", owner_desc, currentThread->get_thread_name());
+    st->print_cr("%s \"%s\"", owner_desc, currentThread->get_thread_name());
   }
 
   st->cr();
-  st->cr();
 
   // Print stack traces
   bool oldJavaMonitorsInStackTrace = JavaMonitorsInStackTrace;
--- a/src/hotspot/share/utilities/decoder.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/utilities/decoder.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -84,7 +84,7 @@
 }
 
 bool Decoder::decode(address addr, char* buf, int buflen, int* offset, const char* modulepath, bool demangle) {
-  bool error_handling_thread = os::current_thread_id() == VMError::first_error_tid;
+  bool error_handling_thread = os::current_thread_id() == VMError::get_first_error_tid();
   if (error_handling_thread) {
     return get_error_handler_instance()->decode(addr, buf, buflen, offset, modulepath, demangle);
   } else {
@@ -95,7 +95,7 @@
 }
 
 bool Decoder::decode(address addr, char* buf, int buflen, int* offset, const void* base) {
-  bool error_handling_thread = os::current_thread_id() == VMError::first_error_tid;
+  bool error_handling_thread = os::current_thread_id() == VMError::get_first_error_tid();
   if (error_handling_thread) {
     return get_error_handler_instance()->decode(addr, buf, buflen, offset, base);
   } else {
@@ -106,7 +106,7 @@
 
 
 bool Decoder::demangle(const char* symbol, char* buf, int buflen) {
-  bool error_handling_thread = os::current_thread_id() == VMError::first_error_tid;
+  bool error_handling_thread = os::current_thread_id() == VMError::get_first_error_tid();
   if (error_handling_thread) {
     return get_error_handler_instance()->demangle(symbol, buf, buflen);
   } else {
--- a/src/hotspot/share/utilities/vmError.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/utilities/vmError.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1205,7 +1205,7 @@
   st->print_cr("END.");
 }
 
-volatile intptr_t VMError::first_error_tid = -1;
+volatile intptr_t VMError::_first_error_tid = -1;
 
 /** Expand a pattern into a buffer starting at pos and open a file using constructed path */
 static int expand_and_open(const char* pattern, bool overwrite_existing, char* buf, size_t buflen, size_t pos) {
@@ -1355,8 +1355,8 @@
       os::abort(CreateCoredumpOnCrash);
   }
   intptr_t mytid = os::current_thread_id();
-  if (first_error_tid == -1 &&
-      Atomic::cmpxchg(mytid, &first_error_tid, (intptr_t)-1) == -1) {
+  if (_first_error_tid == -1 &&
+      Atomic::cmpxchg(mytid, &_first_error_tid, (intptr_t)-1) == -1) {
 
     // Initialize time stamps to use the same base.
     out.time_stamp().update_to(1);
@@ -1416,7 +1416,7 @@
 
     // This is not the first error, see if it happened in a different thread
     // or in the same thread during error reporting.
-    if (first_error_tid != mytid) {
+    if (_first_error_tid != mytid) {
       char msgbuf[64];
       jio_snprintf(msgbuf, sizeof(msgbuf),
                    "[thread " INTX_FORMAT " also had an error]",
--- a/src/hotspot/share/utilities/vmError.hpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/hotspot/share/utilities/vmError.hpp	Wed Oct 16 15:31:05 2019 +0200
@@ -32,8 +32,6 @@
 class VM_ReportJavaOutOfMemory;
 
 class VMError : public AllStatic {
-  friend class VM_ReportJavaOutOfMemory;
-  friend class Decoder;
   friend class VMStructs;
 
   static int         _id;               // Solaris/Linux signals: 0 - SIGRTMAX
@@ -65,7 +63,7 @@
 
   // Thread id of the first error. We must be able to handle native thread,
   // so use thread id instead of Thread* to identify thread.
-  static volatile intptr_t first_error_tid;
+  static volatile intptr_t _first_error_tid;
 
   // Core dump status, false if we have been unable to write a core/minidump for some reason
   static bool coredump_status;
@@ -177,9 +175,9 @@
   static address get_resetted_sighandler(int sig);
 
   // check to see if fatal error reporting is in progress
-  static bool fatal_error_in_progress() { return first_error_tid != -1; }
+  static bool fatal_error_in_progress() { return _first_error_tid != -1; }
 
-  static intptr_t get_first_error_tid() { return first_error_tid; }
+  static intptr_t get_first_error_tid() { return _first_error_tid; }
 
   // Called by the WatcherThread to check if error reporting has timed-out.
   //  Returns true if error reporting has not completed within the ErrorLogTimeout limit.
--- a/src/java.base/share/classes/java/io/FilePermission.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/io/FilePermission.java	Wed Oct 16 15:31:05 2019 +0200
@@ -367,12 +367,22 @@
             this.mask = mask;
 
             if (cpath.equals("<<ALL FILES>>")) {
+                allFiles = true;
                 directory = true;
                 recursive = true;
                 cpath = "";
                 return;
             }
 
+            // Validate path by platform's default file system
+            try {
+                String name = cpath.endsWith("*") ? cpath.substring(0, cpath.length() - 1) + "-" : cpath;
+                builtInFS.getPath(new File(name).getPath());
+            } catch (InvalidPathException ipe) {
+                invalid = true;
+                return;
+            }
+
             // store only the canonical cpath if possible
             cpath = AccessController.doPrivileged(new PrivilegedAction<>() {
                 public String run() {
@@ -463,6 +473,9 @@
      * <P>
      * The default value of the {@code jdk.io.permissionsUseCanonicalPath}
      * system property is {@code false} in this implementation.
+     * <p>
+     * The value can also be set with a security property using the same name,
+     * but setting a system property will override the security property value.
      *
      * @param path the pathname of the file/directory.
      * @param actions the action string.
@@ -573,19 +586,19 @@
      * @return the effective mask
      */
     boolean impliesIgnoreMask(FilePermission that) {
+        if (this == that) {
+            return true;
+        }
+        if (allFiles) {
+            return true;
+        }
+        if (this.invalid || that.invalid) {
+            return false;
+        }
+        if (that.allFiles) {
+            return false;
+        }
         if (FilePermCompat.nb) {
-            if (this == that) {
-                return true;
-            }
-            if (allFiles) {
-                return true;
-            }
-            if (this.invalid || that.invalid) {
-                return false;
-            }
-            if (that.allFiles) {
-                return false;
-            }
             // Left at least same level of wildness as right
             if ((this.recursive && that.recursive) != that.recursive
                     || (this.directory && that.directory) != that.directory) {
@@ -783,10 +796,10 @@
 
         FilePermission that = (FilePermission) obj;
 
+        if (this.invalid || that.invalid) {
+            return false;
+        }
         if (FilePermCompat.nb) {
-            if (this.invalid || that.invalid) {
-                return false;
-            }
             return (this.mask == that.mask) &&
                     (this.allFiles == that.allFiles) &&
                     this.npath.equals(that.npath) &&
@@ -795,6 +808,7 @@
                     (this.recursive == that.recursive);
         } else {
             return (this.mask == that.mask) &&
+                    (this.allFiles == that.allFiles) &&
                     this.cpath.equals(that.cpath) &&
                     (this.directory == that.directory) &&
                     (this.recursive == that.recursive);
--- a/src/java.base/share/classes/java/lang/ClassLoader.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/lang/ClassLoader.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, Azul Systems, Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2004,6 +2005,17 @@
         return scl;
     }
 
+    /*
+     * Initialize default paths for native libraries search.
+     * Must be done early as JDK may load libraries during bootstrap.
+     *
+     * @see java.lang.System#initPhase1
+     */
+    static void initLibraryPaths() {
+        usr_paths = initializePath("java.library.path");
+        sys_paths = initializePath("sun.boot.library.path");
+    }
+
     // Returns true if the specified class loader can be found in this class
     // loader's delegation chain.
     boolean isAncestor(ClassLoader cl) {
@@ -2473,8 +2485,7 @@
                  *
                  * We use a static stack to hold the list of libraries we are
                  * loading because this can happen only when called by the
-                 * same thread because Runtime.load and Runtime.loadLibrary
-                 * are synchronous.
+                 * same thread because this block is synchronous.
                  *
                  * If there is a pending load operation for the library, we
                  * immediately return success; otherwise, we raise
@@ -2619,10 +2630,9 @@
                             boolean isAbsolute) {
         ClassLoader loader =
             (fromClass == null) ? null : fromClass.getClassLoader();
-        if (sys_paths == null) {
-            usr_paths = initializePath("java.library.path");
-            sys_paths = initializePath("sun.boot.library.path");
-        }
+        assert sys_paths != null : "should be initialized at this point";
+        assert usr_paths != null : "should be initialized at this point";
+
         if (isAbsolute) {
             if (loadLibrary0(fromClass, new File(name))) {
                 return;
--- a/src/java.base/share/classes/java/lang/Runtime.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/lang/Runtime.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 1995, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, Azul Systems, Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -732,7 +733,7 @@
         load0(Reflection.getCallerClass(), filename);
     }
 
-    synchronized void load0(Class<?> fromClass, String filename) {
+    void load0(Class<?> fromClass, String filename) {
         SecurityManager security = System.getSecurityManager();
         if (security != null) {
             security.checkLink(filename);
@@ -794,14 +795,14 @@
         loadLibrary0(Reflection.getCallerClass(), libname);
     }
 
-    synchronized void loadLibrary0(Class<?> fromClass, String libname) {
+    void loadLibrary0(Class<?> fromClass, String libname) {
         SecurityManager security = System.getSecurityManager();
         if (security != null) {
             security.checkLink(libname);
         }
         if (libname.indexOf((int)File.separatorChar) != -1) {
             throw new UnsatisfiedLinkError(
-    "Directory separator should not appear in library name: " + libname);
+                "Directory separator should not appear in library name: " + libname);
         }
         ClassLoader.loadLibrary(fromClass, libname, false);
     }
--- a/src/java.base/share/classes/java/lang/StringCoding.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/lang/StringCoding.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -191,6 +191,12 @@
                     return result.with(StringLatin1.inflate(ba, off, len), UTF16);
                 }
             }
+            // fastpath for always Latin1 decodable single byte
+            if (COMPACT_STRINGS && cd instanceof ArrayDecoder && ((ArrayDecoder)cd).isLatin1Decodable()) {
+                byte[] dst = new byte[len];
+                ((ArrayDecoder)cd).decodeToLatin1(ba, off, len, dst);
+                return result.with(dst, LATIN1);
+            }
             int en = scale(len, cd.maxCharsPerByte());
             char[] ca = new char[en];
             if (cd instanceof ArrayDecoder) {
@@ -278,6 +284,13 @@
             ((ArrayDecoder)cd).isASCIICompatible() && !hasNegatives(ba, off, len)) {
             return decodeLatin1(ba, off, len);
         }
+        // fastpath for always Latin1 decodable single byte
+        if (COMPACT_STRINGS && cd instanceof ArrayDecoder && ((ArrayDecoder)cd).isLatin1Decodable()) {
+            byte[] dst = new byte[len];
+            ((ArrayDecoder)cd).decodeToLatin1(ba, off, len, dst);
+            return new Result().with(dst, LATIN1);
+        }
+
         int en = scale(len, cd.maxCharsPerByte());
         if (len == 0) {
             return new Result().with();
--- a/src/java.base/share/classes/java/lang/System.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/lang/System.java	Wed Oct 16 15:31:05 2019 +0200
@@ -2045,6 +2045,8 @@
         // register shared secrets
         setJavaLangAccess();
 
+        ClassLoader.initLibraryPaths();
+
         // Subsystems that are invoked during initialization can invoke
         // VM.isBooted() in order to avoid doing things that should
         // wait until the VM is fully initialized. The initialization level
--- a/src/java.base/share/classes/java/lang/Throwable.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/lang/Throwable.java	Wed Oct 16 15:31:05 2019 +0200
@@ -230,6 +230,7 @@
      * @serial
      * @since 1.7
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private List<Throwable> suppressedExceptions = SUPPRESSED_SENTINEL;
 
     /** Message for trying to suppress a null exception. */
--- a/src/java.base/share/classes/java/lang/invoke/SerializedLambda.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/lang/invoke/SerializedLambda.java	Wed Oct 16 15:31:05 2019 +0200
@@ -76,6 +76,7 @@
     private final String implMethodSignature;
     private final int implMethodKind;
     private final String instantiatedMethodType;
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private final Object[] capturedArgs;
 
     /**
--- a/src/java.base/share/classes/java/lang/reflect/Proxy.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/lang/reflect/Proxy.java	Wed Oct 16 15:31:05 2019 +0200
@@ -308,6 +308,7 @@
      * the invocation handler for this proxy instance.
      * @serial
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected InvocationHandler h;
 
     /**
--- a/src/java.base/share/classes/java/net/DatagramSocket.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/net/DatagramSocket.java	Wed Oct 16 15:31:05 2019 +0200
@@ -434,14 +434,15 @@
      * verify that datagrams are permitted to be sent and received
      * respectively.
      *
-     * <p> When a socket is connected, {@link #receive receive} and
-     * {@link #send send} <b>will not perform any security checks</b>
-     * on incoming and outgoing packets, other than matching the packet's
-     * and the socket's address and port. On a send operation, if the
-     * packet's address is set and the packet's address and the socket's
-     * address do not match, an {@code IllegalArgumentException} will be
-     * thrown. A socket connected to a multicast address may only be used
-     * to send packets.
+     * <p> Care should be taken to ensure that a connected datagram socket
+     * is not shared with untrusted code. When a socket is connected,
+     * {@link #receive receive} and {@link #send send} <b>will not perform
+     * any security checks</b> on incoming and outgoing packets, other than
+     * matching the packet's and the socket's address and port. On a send
+     * operation, if the packet's address is set and the packet's address
+     * and the socket's address do not match, an {@code IllegalArgumentException}
+     * will be thrown. A socket connected to a multicast address may only
+     * be used to send packets.
      *
      * @param address the remote address for the socket
      *
@@ -708,9 +709,11 @@
      * the length of the received message. If the message is longer than
      * the packet's length, the message is truncated.
      * <p>
-     * If there is a security manager, a packet cannot be received if the
-     * security manager's {@code checkAccept} method
-     * does not allow it.
+     * If there is a security manager, and the socket is not currently
+     * connected to a remote address, a packet cannot be received if the
+     * security manager's {@code checkAccept} method does not allow it.
+     * Datagrams that are not permitted by the security manager are silently
+     * discarded.
      *
      * @param      p   the {@code DatagramPacket} into which to place
      *                 the incoming data.
@@ -896,12 +899,15 @@
      *
      * @param timeout the specified timeout in milliseconds.
      * @throws SocketException if there is an error in the underlying protocol, such as an UDP error.
+     * @throws IllegalArgumentException if {@code timeout} is negative
      * @since   1.1
      * @see #getSoTimeout()
      */
     public synchronized void setSoTimeout(int timeout) throws SocketException {
         if (isClosed())
             throw new SocketException("Socket is closed");
+        if (timeout < 0)
+            throw new IllegalArgumentException("timeout < 0");
         getImpl().setOption(SocketOptions.SO_TIMEOUT, timeout);
     }
 
--- a/src/java.base/share/classes/java/net/NetPermission.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/net/NetPermission.java	Wed Oct 16 15:31:05 2019 +0200
@@ -145,6 +145,15 @@
  *   </tr>
  *
  * <tr>
+ *   <th scope="row">setSocketImpl</th>
+ *   <td>The ability to create a sub-class of Socket or ServerSocket with a
+ *   user specified SocketImpl.</td>
+ *   <td>Malicious user-defined SocketImpls can change the behavior of
+ *   Socket and ServerSocket in surprising ways, by virtue of their
+ *   ability to access the protected fields of SocketImpl.</td>
+ *   </tr>
+ *
+ * <tr>
  *   <th scope="row">specifyStreamHandler</th>
  *   <td>The ability
  *   to specify a stream handler when constructing a URL</td>
--- a/src/java.base/share/classes/java/net/ServerSocket.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/net/ServerSocket.java	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 import java.util.Set;
 import java.util.Collections;
 
+import sun.security.util.SecurityConstants;
 import sun.net.PlatformSocketImpl;
 
 /**
@@ -73,13 +74,25 @@
      *
      * @throws     NullPointerException if impl is {@code null}.
      *
+     * @throws     SecurityException if a security manager is set and
+     *             its {@code checkPermission} method doesn't allow
+     *             {@code NetPermission("setSocketImpl")}.
      * @since 12
      */
     protected ServerSocket(SocketImpl impl) {
         Objects.requireNonNull(impl);
+        checkPermission();
         this.impl = impl;
     }
 
+    private static Void checkPermission() {
+        SecurityManager sm = System.getSecurityManager();
+        if (sm != null) {
+            sm.checkPermission(SecurityConstants.SET_SOCKETIMPL_PERMISSION);
+        }
+        return null;
+    }
+
     /**
      * Creates an unbound server socket.
      *
--- a/src/java.base/share/classes/java/net/Socket.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/net/Socket.java	Wed Oct 16 15:31:05 2019 +0200
@@ -25,6 +25,8 @@
 
 package java.net;
 
+import sun.security.util.SecurityConstants;
+
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.IOException;
@@ -182,12 +184,28 @@
      *
      * @throws    SocketException if there is an error in the underlying protocol,
      * such as a TCP error.
+     *
+     * @throws SecurityException if {@code impl} is non-null and a security manager is set
+     * and its {@code checkPermission} method doesn't allow {@code NetPermission("setSocketImpl")}.
+     *
      * @since   1.1
      */
     protected Socket(SocketImpl impl) throws SocketException {
+        checkPermission(impl);
         this.impl = impl;
     }
 
+    private static Void checkPermission(SocketImpl impl) {
+        if (impl == null) {
+            return null;
+        }
+        SecurityManager sm = System.getSecurityManager();
+        if (sm != null) {
+            sm.checkPermission(SecurityConstants.SET_SOCKETIMPL_PERMISSION);
+        }
+        return null;
+    }
+
     /**
      * Creates a stream socket and connects it to the specified port
      * number on the named host.
--- a/src/java.base/share/classes/java/net/URL.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/net/URL.java	Wed Oct 16 15:31:05 2019 +0200
@@ -484,6 +484,16 @@
                 throw new MalformedURLException(s);
             }
         }
+        if ("jar".equalsIgnoreCase(protocol)) {
+            if (handler instanceof sun.net.www.protocol.jar.Handler) {
+                // URL.openConnection() would throw a confusing exception
+                // so generate a better exception here instead.
+                String s = ((sun.net.www.protocol.jar.Handler) handler).checkNestedProtocol(file);
+                if (s != null) {
+                    throw new MalformedURLException(s);
+                }
+            }
+        }
     }
 
     /**
--- a/src/java.base/share/classes/java/nio/channels/DatagramChannel.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/nio/channels/DatagramChannel.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -265,7 +265,10 @@
      * java.lang.SecurityManager#checkAccept checkAccept} and {@link
      * java.lang.SecurityManager#checkConnect checkConnect} methods permit
      * datagrams to be received from and sent to, respectively, the given
-     * remote address.
+     * remote address. Once connected, no further security checks are performed
+     * for datagrams received from, or sent to, the given remote address. Care
+     * should be taken to ensure that a connected datagram channel is not shared
+     * with untrusted code.
      *
      * <p> This method may be invoked at any time.  It will not have any effect
      * on read or write operations that are already in progress at the moment
@@ -325,6 +328,10 @@
      * <p> If this channel's socket is not connected, or if the channel is
      * closed, then invoking this method has no effect.  </p>
      *
+     * @apiNote If this method throws an IOException, the channel's socket
+     * may be left in an unspecified state. It is strongly recommended that
+     * the channel be closed when disconnect fails.
+     *
      * @return  This datagram channel
      *
      * @throws  IOException
@@ -369,9 +376,10 @@
      * to a specific remote address and a security manager has been installed
      * then for each datagram received this method verifies that the source's
      * address and port number are permitted by the security manager's {@link
-     * java.lang.SecurityManager#checkAccept checkAccept} method.  The overhead
-     * of this security check can be avoided by first connecting the socket via
-     * the {@link #connect connect} method.
+     * java.lang.SecurityManager#checkAccept checkAccept} method. Datagrams
+     * that are not permitted by the security manager are silently discarded.
+     * The overhead of this security check can be avoided by first connecting
+     * the socket via the {@link #connect connect} method.
      *
      * <p> This method may be invoked at any time.  If another thread has
      * already initiated a read operation upon this channel, however, then an
@@ -401,11 +409,6 @@
      *          closing the channel and setting the current thread's
      *          interrupt status
      *
-     * @throws  SecurityException
-     *          If a security manager has been installed
-     *          and it does not permit datagrams to be accepted
-     *          from the datagram's sender
-     *
      * @throws  IOException
      *          If some other I/O error occurs
      */
--- a/src/java.base/share/classes/java/nio/channels/SelectionKey.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/nio/channels/SelectionKey.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,7 +25,8 @@
 
 package java.nio.channels;
 
-import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.VarHandle;
 
 /**
  * A token representing the registration of a {@link SelectableChannel} with a
@@ -428,13 +429,17 @@
 
     // -- Attachments --
 
+    private static final VarHandle ATTACHMENT;
+    static {
+        try {
+            MethodHandles.Lookup l = MethodHandles.lookup();
+            ATTACHMENT = l.findVarHandle(SelectionKey.class, "attachment", Object.class);
+        } catch (Exception e) {
+            throw new InternalError(e);
+        }
+    }
     private volatile Object attachment;
 
-    private static final AtomicReferenceFieldUpdater<SelectionKey,Object>
-        attachmentUpdater = AtomicReferenceFieldUpdater.newUpdater(
-            SelectionKey.class, Object.class, "attachment"
-        );
-
     /**
      * Attaches the given object to this key.
      *
@@ -450,7 +455,7 @@
      *          otherwise {@code null}
      */
     public final Object attach(Object ob) {
-        return attachmentUpdater.getAndSet(this, ob);
+        return ATTACHMENT.getAndSet(this, ob);
     }
 
     /**
--- a/src/java.base/share/classes/java/nio/file/Files.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/nio/file/Files.java	Wed Oct 16 15:31:05 2019 +0200
@@ -3550,8 +3550,8 @@
         // ensure lines is not null before opening file
         Objects.requireNonNull(lines);
         CharsetEncoder encoder = cs.newEncoder();
-        OutputStream out = newOutputStream(path, options);
-        try (BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out, encoder))) {
+        try (OutputStream out = newOutputStream(path, options);
+             BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out, encoder))) {
             for (CharSequence line: lines) {
                 writer.append(line);
                 writer.newLine();
--- a/src/java.base/share/classes/java/security/GuardedObject.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/security/GuardedObject.java	Wed Oct 16 15:31:05 2019 +0200
@@ -52,7 +52,9 @@
     @java.io.Serial
     private static final long serialVersionUID = -5240450096227834308L;
 
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Object object; // the object we are guarding
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Guard guard;   // the guard
 
     /**
--- a/src/java.base/share/classes/java/security/SecureRandom.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/security/SecureRandom.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1043,6 +1043,7 @@
     /**
      * @serial
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private MessageDigest digest = null;
     /**
      * @serial
--- a/src/java.base/share/classes/java/text/DecimalFormat.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/text/DecimalFormat.java	Wed Oct 16 15:31:05 2019 +0200
@@ -2756,7 +2756,10 @@
     /**
      * Return the grouping size. Grouping size is the number of digits between
      * grouping separators in the integer portion of a number.  For example,
-     * in the number "123,456.78", the grouping size is 3.
+     * in the number "123,456.78", the grouping size is 3. Grouping size of
+     * zero designates that grouping is not used, which provides the same
+     * formatting as if calling {@link #setGroupingUsed(boolean)
+     * setGroupingUsed(false)}.
      *
      * @return the grouping size
      * @see #setGroupingSize
@@ -2770,16 +2773,28 @@
     /**
      * Set the grouping size. Grouping size is the number of digits between
      * grouping separators in the integer portion of a number.  For example,
-     * in the number "123,456.78", the grouping size is 3.
-     * <br>
+     * in the number "123,456.78", the grouping size is 3. Grouping size of
+     * zero designates that grouping is not used, which provides the same
+     * formatting as if calling {@link #setGroupingUsed(boolean)
+     * setGroupingUsed(false)}.
+     * <p>
      * The value passed in is converted to a byte, which may lose information.
+     * Values that are negative or greater than
+     * {@link java.lang.Byte#MAX_VALUE Byte.MAX_VALUE}, will throw an
+     * {@code IllegalArgumentException}.
      *
      * @param newValue the new grouping size
      * @see #getGroupingSize
      * @see java.text.NumberFormat#setGroupingUsed
      * @see java.text.DecimalFormatSymbols#setGroupingSeparator
+     * @throws IllegalArgumentException if {@code newValue} is negative or
+     *          greater than {@link java.lang.Byte#MAX_VALUE Byte.MAX_VALUE}
      */
     public void setGroupingSize (int newValue) {
+        if (newValue < 0 || newValue > Byte.MAX_VALUE) {
+            throw new IllegalArgumentException(
+                "newValue is out of valid range. value: " + newValue);
+        }
         groupingSize = (byte)newValue;
         fastPathCheckNeeded = true;
     }
@@ -3906,6 +3921,12 @@
             // Didn't have exponential fields
             useExponentialNotation = false;
         }
+
+        // Restore the invariant value if groupingSize is invalid.
+        if (groupingSize < 0) {
+            groupingSize = 3;
+        }
+
         serialVersionOnStream = currentSerialVersion;
     }
 
@@ -4009,14 +4030,15 @@
 
     /**
      * The number of digits between grouping separators in the integer
-     * portion of a number.  Must be greater than 0 if
+     * portion of a number.  Must be non-negative and less than or equal to
+     * {@link java.lang.Byte#MAX_VALUE Byte.MAX_VALUE} if
      * {@code NumberFormat.groupingUsed} is true.
      *
      * @serial
      * @see #getGroupingSize
      * @see java.text.NumberFormat#isGroupingUsed
      */
-    private byte    groupingSize = 3;  // invariant, > 0 if useThousands
+    private byte    groupingSize = 3;  // invariant, 0 - 127, if groupingUsed
 
     /**
      * If true, forces the decimal separator to always appear in a formatted
--- a/src/java.base/share/classes/java/time/Clock.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/time/Clock.java	Wed Oct 16 15:31:05 2019 +0200
@@ -641,6 +641,7 @@
     static final class OffsetClock extends Clock implements Serializable {
         @java.io.Serial
         private static final long serialVersionUID = 2007484719125426256L;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private final Clock baseClock;
         private final Duration offset;
 
@@ -692,6 +693,7 @@
     static final class TickClock extends Clock implements Serializable {
         @java.io.Serial
         private static final long serialVersionUID = 6504659149906368850L;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private final Clock baseClock;
         private final long tickNanos;
 
--- a/src/java.base/share/classes/java/time/chrono/ChronoPeriodImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/time/chrono/ChronoPeriodImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -109,6 +109,7 @@
     /**
      * The chronology.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private final Chronology chrono;
     /**
      * The number of years.
--- a/src/java.base/share/classes/java/util/AbstractMap.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/AbstractMap.java	Wed Oct 16 15:31:05 2019 +0200
@@ -607,7 +607,9 @@
         @java.io.Serial
         private static final long serialVersionUID = -8499721149061103585L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final K key;
+        @SuppressWarnings("serial") // Conditionally serializable
         private V value;
 
         /**
@@ -738,7 +740,9 @@
         @java.io.Serial
         private static final long serialVersionUID = 7138329143949025153L;
 
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private final K key;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private final V value;
 
         /**
--- a/src/java.base/share/classes/java/util/ArrayPrefixHelpers.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/ArrayPrefixHelpers.java	Wed Oct 16 15:31:05 2019 +0200
@@ -103,10 +103,15 @@
     static final int MIN_PARTITION = 16;
 
     static final class CumulateTask<T> extends CountedCompleter<Void> {
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         final T[] array;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         final BinaryOperator<T> function;
         CumulateTask<T> left, right;
-        T in, out;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
+        T in;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
+        T out;
         final int lo, hi, origin, fence, threshold;
 
         /** Root task constructor */
@@ -257,6 +262,7 @@
 
     static final class LongCumulateTask extends CountedCompleter<Void> {
         final long[] array;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         final LongBinaryOperator function;
         LongCumulateTask left, right;
         long in, out;
@@ -408,6 +414,7 @@
 
     static final class DoubleCumulateTask extends CountedCompleter<Void> {
         final double[] array;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         final DoubleBinaryOperator function;
         DoubleCumulateTask left, right;
         double in, out;
@@ -559,6 +566,7 @@
 
     static final class IntCumulateTask extends CountedCompleter<Void> {
         final int[] array;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         final IntBinaryOperator function;
         IntCumulateTask left, right;
         int in, out;
--- a/src/java.base/share/classes/java/util/Arrays.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/Arrays.java	Wed Oct 16 15:31:05 2019 +0200
@@ -4339,6 +4339,7 @@
     {
         @java.io.Serial
         private static final long serialVersionUID = -2764017481108945198L;
+        @SuppressWarnings("serial") // Conditionally serializable
         private final E[] a;
 
         ArrayList(E[] array) {
--- a/src/java.base/share/classes/java/util/ArraysParallelSortHelpers.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/ArraysParallelSortHelpers.java	Wed Oct 16 15:31:05 2019 +0200
@@ -115,8 +115,12 @@
         static final class Sorter<T> extends CountedCompleter<Void> {
             @java.io.Serial
             static final long serialVersionUID = 2446542900576103244L;
-            final T[] a, w;
+            @SuppressWarnings("serial") // Not statically typed as Serializable
+            final T[] a;
+            @SuppressWarnings("serial") // Not statically typed as Serializable
+            final T[] w;
             final int base, size, wbase, gran;
+            @SuppressWarnings("serial") // Not statically typed as Serializable
             Comparator<? super T> comparator;
             Sorter(CountedCompleter<?> par, T[] a, T[] w, int base, int size,
                    int wbase, int gran,
@@ -153,8 +157,13 @@
         static final class Merger<T> extends CountedCompleter<Void> {
             @java.io.Serial
             static final long serialVersionUID = 2446542900576103244L;
-            final T[] a, w; // main and workspace arrays
+             // main and workspace arrays
+            @SuppressWarnings("serial") // Not statically typed as Serializable
+            final T[] a;
+            @SuppressWarnings("serial") // Not statically typed as Serializable
+            final T[] w;
             final int lbase, lsize, rbase, rsize, wbase, gran;
+            @SuppressWarnings("serial") // Not statically typed as Serializable
             Comparator<? super T> comparator;
             Merger(CountedCompleter<?> par, T[] a, T[] w,
                    int lbase, int lsize, int rbase,
--- a/src/java.base/share/classes/java/util/Collection.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/Collection.java	Wed Oct 16 15:31:05 2019 +0200
@@ -188,6 +188,38 @@
  * or if the only reference to the backing collection is through an
  * unmodifiable view, the view can be considered effectively immutable.
  *
+ * <h2><a id="serializable">Serializability of Collections</a></h2>
+ *
+ * <p>Serializability of collections is optional. As such, none of the collections
+ * interfaces are declared to implement the {@link java.io.Serializable} interface.
+ * However, serializability is regarded as being generally useful, so most collection
+ * implementations are serializable.
+ *
+ * <p>The collection implementations that are public classes (such as {@code ArrayList}
+ * or {@code HashMap}) are declared to implement the {@code Serializable} interface if they
+ * are in fact serializable. Some collections implementations are not public classes,
+ * such as the <a href="#unmodifiable">unmodifiable collections.</a> In such cases, the
+ * serializability of such collections is described in the specification of the method
+ * that creates them, or in some other suitable place. In cases where the serializability
+ * of a collection is not specified, there is no guarantee about the serializability of such
+ * collections. In particular, many <a href="#view">view collections</a> are not serializable.
+ *
+ * <p>A collection implementation that implements the {@code Serializable} interface cannot
+ * be guaranteed to be serializable. The reason is that in general, collections
+ * contain elements of other types, and it is not possible to determine statically
+ * whether instances of some element type are actually serializable. For example, consider
+ * a serializable {@code Collection<E>}, where {@code E} does not implement the
+ * {@code Serializable} interface. The collection may be serializable, if it contains only
+ * elements of some serializable subtype of {@code E}, or if it is empty. Collections are
+ * thus said to be <i>conditionally serializable,</i> as the serializability of the collection
+ * as a whole depends on whether the collection itself is serializable and on whether all
+ * contained elements are also serializable.
+ *
+ * <p>An additional case occurs with instances of {@link SortedSet} and {@link SortedMap}.
+ * These collections can be created with a {@link Comparator} that imposes an ordering on
+ * the set elements or map keys. Such a collection is serializable only if the provided
+ * {@code Comparator} is also serializable.
+ *
  * <p>This interface is a member of the
  * <a href="{@docRoot}/java.base/java/util/package-summary.html#CollectionsFramework">
  * Java Collections Framework</a>.
--- a/src/java.base/share/classes/java/util/Collections.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/Collections.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1024,6 +1024,7 @@
         @java.io.Serial
         private static final long serialVersionUID = 1820017752578914078L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         final Collection<? extends E> c;
 
         UnmodifiableCollection(Collection<? extends E> c) {
@@ -1164,6 +1165,7 @@
                              implements SortedSet<E>, Serializable {
         @java.io.Serial
         private static final long serialVersionUID = -4929149591599911165L;
+        @SuppressWarnings("serial") // Conditionally serializable
         private final SortedSet<E> ss;
 
         UnmodifiableSortedSet(SortedSet<E> s) {super(s); ss = s;}
@@ -1244,6 +1246,7 @@
         /**
          * The instance we are protecting.
          */
+        @SuppressWarnings("serial") // Conditionally serializable
         private final NavigableSet<E> ns;
 
         UnmodifiableNavigableSet(NavigableSet<E> s)         {super(s); ns = s;}
@@ -1304,6 +1307,7 @@
         @java.io.Serial
         private static final long serialVersionUID = -283967356065247728L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         final List<? extends E> list;
 
         UnmodifiableList(List<? extends E> list) {
@@ -1450,6 +1454,7 @@
         @java.io.Serial
         private static final long serialVersionUID = -1034234728574286014L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final Map<? extends K, ? extends V> m;
 
         UnmodifiableMap(Map<? extends K, ? extends V> m) {
@@ -1809,6 +1814,7 @@
         @java.io.Serial
         private static final long serialVersionUID = -8806743815996713206L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final SortedMap<K, ? extends V> sm;
 
         UnmodifiableSortedMap(SortedMap<K, ? extends V> m) {super(m); sm = m; }
@@ -1886,6 +1892,7 @@
         /**
          * The instance we wrap and protect.
          */
+        @SuppressWarnings("serial") // Conditionally serializable
         private final NavigableMap<K, ? extends V> nm;
 
         UnmodifiableNavigableMap(NavigableMap<K, ? extends V> m)
@@ -2017,7 +2024,9 @@
         @java.io.Serial
         private static final long serialVersionUID = 3053995032091335093L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         final Collection<E> c;  // Backing Collection
+        @SuppressWarnings("serial") // Conditionally serializable
         final Object mutex;     // Object on which to synchronize
 
         SynchronizedCollection(Collection<E> c) {
@@ -2219,6 +2228,7 @@
         @java.io.Serial
         private static final long serialVersionUID = 8695801310862127406L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final SortedSet<E> ss;
 
         SynchronizedSortedSet(SortedSet<E> s) {
@@ -2314,6 +2324,7 @@
         @java.io.Serial
         private static final long serialVersionUID = -5505529816273629798L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final NavigableSet<E> ns;
 
         SynchronizedNavigableSet(NavigableSet<E> s) {
@@ -2424,6 +2435,7 @@
         @java.io.Serial
         private static final long serialVersionUID = -7754090372962971524L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         final List<E> list;
 
         SynchronizedList(List<E> list) {
@@ -2591,7 +2603,9 @@
         @java.io.Serial
         private static final long serialVersionUID = 1978198479659022715L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final Map<K,V> m;     // Backing Map
+        @SuppressWarnings("serial") // Conditionally serializable
         final Object      mutex;        // Object on which to synchronize
 
         SynchronizedMap(Map<K,V> m) {
@@ -2788,6 +2802,7 @@
         @java.io.Serial
         private static final long serialVersionUID = -8798146769416483793L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final SortedMap<K,V> sm;
 
         SynchronizedSortedMap(SortedMap<K,V> m) {
@@ -2891,6 +2906,7 @@
         @java.io.Serial
         private static final long serialVersionUID = 699392247599746807L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final NavigableMap<K,V> nm;
 
         SynchronizedNavigableMap(NavigableMap<K,V> m) {
@@ -3070,7 +3086,9 @@
         @java.io.Serial
         private static final long serialVersionUID = 1578914078182001775L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         final Collection<E> c;
+        @SuppressWarnings("serial") // Conditionally serializable
         final Class<E> type;
 
         @SuppressWarnings("unchecked")
@@ -3126,6 +3144,7 @@
 
         public boolean add(E e)          { return c.add(typeCheck(e)); }
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private E[] zeroLengthElementArray; // Lazily initialized
 
         private E[] zeroLengthElementArray() {
@@ -3219,6 +3238,7 @@
     {
         @java.io.Serial
         private static final long serialVersionUID = 1433151992604707767L;
+        @SuppressWarnings("serial") // Conditionally serializable
         final Queue<E> queue;
 
         CheckedQueue(Queue<E> queue, Class<E> elementType) {
@@ -3323,6 +3343,7 @@
         @java.io.Serial
         private static final long serialVersionUID = 1599911165492914959L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final SortedSet<E> ss;
 
         CheckedSortedSet(SortedSet<E> s, Class<E> type) {
@@ -3387,6 +3408,7 @@
         @java.io.Serial
         private static final long serialVersionUID = -5429120189805438922L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final NavigableSet<E> ns;
 
         CheckedNavigableSet(NavigableSet<E> s, Class<E> type) {
@@ -3470,6 +3492,7 @@
     {
         @java.io.Serial
         private static final long serialVersionUID = 65247728283967356L;
+        @SuppressWarnings("serial") // Conditionally serializable
         final List<E> list;
 
         CheckedList(List<E> list, Class<E> type) {
@@ -3619,8 +3642,11 @@
         @java.io.Serial
         private static final long serialVersionUID = 5742860141034234728L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final Map<K, V> m;
+        @SuppressWarnings("serial") // Conditionally serializable
         final Class<K> keyType;
+        @SuppressWarnings("serial") // Conditionally serializable
         final Class<V> valueType;
 
         private void typeCheck(Object key, Object value) {
@@ -4019,6 +4045,7 @@
         @java.io.Serial
         private static final long serialVersionUID = 1599671320688067438L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final SortedMap<K, V> sm;
 
         CheckedSortedMap(SortedMap<K, V> m,
@@ -4094,6 +4121,7 @@
         @java.io.Serial
         private static final long serialVersionUID = -4852462692372534096L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final NavigableMap<K, V> nm;
 
         CheckedNavigableMap(NavigableMap<K, V> m,
@@ -4825,6 +4853,7 @@
         @java.io.Serial
         private static final long serialVersionUID = 3193687207550431679L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final E element;
 
         SingletonSet(E e) {element = e;}
@@ -4879,6 +4908,7 @@
         @java.io.Serial
         private static final long serialVersionUID = 3093736618740652951L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final E element;
 
         SingletonList(E obj)                {element = obj;}
@@ -4948,7 +4978,9 @@
         @java.io.Serial
         private static final long serialVersionUID = -6979724477215052911L;
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final K k;
+        @SuppressWarnings("serial") // Conditionally serializable
         private final V v;
 
         SingletonMap(K key, V value) {
@@ -5087,6 +5119,7 @@
         private static final long serialVersionUID = 2739099268398711800L;
 
         final int n;
+        @SuppressWarnings("serial") // Conditionally serializable
         final E element;
 
         CopiesList(int n, E e) {
@@ -5320,6 +5353,7 @@
          *
          * @serial
          */
+        @SuppressWarnings("serial") // Conditionally serializable
         final Comparator<T> cmp;
 
         ReverseComparator2(Comparator<T> cmp) {
@@ -5601,6 +5635,7 @@
     private static class SetFromMap<E> extends AbstractSet<E>
         implements Set<E>, Serializable
     {
+        @SuppressWarnings("serial") // Conditionally serializable
         private final Map<E, Boolean> m;  // The backing map
         private transient Set<E> s;       // Its keySet
 
@@ -5686,6 +5721,7 @@
         implements Queue<E>, Serializable {
         @java.io.Serial
         private static final long serialVersionUID = 1802017725587941708L;
+        @SuppressWarnings("serial") // Conditionally serializable
         private final Deque<E> q;
         AsLIFOQueue(Deque<E> q)                     { this.q = q; }
         public boolean add(E e)                     { q.addFirst(e); return true; }
--- a/src/java.base/share/classes/java/util/Comparators.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/Comparators.java	Wed Oct 16 15:31:05 2019 +0200
@@ -66,6 +66,7 @@
         private static final long serialVersionUID = -7569533591570686392L;
         private final boolean nullFirst;
         // if null, non-null Ts are considered equal
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private final Comparator<T> real;
 
         @SuppressWarnings("unchecked")
--- a/src/java.base/share/classes/java/util/PriorityQueue.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/PriorityQueue.java	Wed Oct 16 15:31:05 2019 +0200
@@ -111,6 +111,7 @@
      * The comparator, or null if priority queue uses elements'
      * natural ordering.
      */
+    @SuppressWarnings("serial") // Conditionally serializable
     private final Comparator<? super E> comparator;
 
     /**
--- a/src/java.base/share/classes/java/util/TreeMap.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/TreeMap.java	Wed Oct 16 15:31:05 2019 +0200
@@ -118,6 +118,7 @@
      *
      * @serial
      */
+    @SuppressWarnings("serial") // Conditionally serializable
     private final Comparator<? super K> comparator;
 
     private transient Entry<K,V> root;
@@ -1353,7 +1354,10 @@
          * if loInclusive is true, lo is the inclusive bound, else lo
          * is the exclusive bound. Similarly for the upper bound.
          */
-        final K lo, hi;
+        @SuppressWarnings("serial") // Conditionally serializable
+        final K lo;
+        @SuppressWarnings("serial") // Conditionally serializable
+        final K hi;
         final boolean fromStart, toEnd;
         final boolean loInclusive, hiInclusive;
 
@@ -1936,6 +1940,7 @@
             super(m, fromStart, lo, loInclusive, toEnd, hi, hiInclusive);
         }
 
+        @SuppressWarnings("serial") // Conditionally serializable
         private final Comparator<? super K> reverseComparator =
             Collections.reverseOrder(m.comparator);
 
@@ -2024,7 +2029,10 @@
         @java.io.Serial
         private static final long serialVersionUID = -6520786458950516097L;
         private boolean fromStart = false, toEnd = false;
-        private K fromKey, toKey;
+        @SuppressWarnings("serial") // Conditionally serializable
+        private K fromKey;
+        @SuppressWarnings("serial") // Conditionally serializable
+        private K toKey;
         @java.io.Serial
         private Object readResolve() {
             return new AscendingSubMap<>(TreeMap.this,
--- a/src/java.base/share/classes/java/util/Vector.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/Vector.java	Wed Oct 16 15:31:05 2019 +0200
@@ -102,6 +102,7 @@
      *
      * @serial
      */
+    @SuppressWarnings("serial") // Conditionally serializable
     protected Object[] elementData;
 
     /**
--- a/src/java.base/share/classes/java/util/jar/JarVerifier.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/jar/JarVerifier.java	Wed Oct 16 15:31:05 2019 +0200
@@ -590,6 +590,7 @@
         URL vlocation;
         CodeSigner[] vsigners;
         java.security.cert.Certificate[] vcerts;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         Object csdomain;
 
         VerifierCodeSource(Object csdomain, URL location, CodeSigner[] signers) {
--- a/src/java.base/share/classes/java/util/regex/Pattern.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/java/util/regex/Pattern.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1427,7 +1427,11 @@
         localTCNCount = 0;
 
         if (!pattern.isEmpty()) {
-            compile();
+            try {
+                compile();
+            } catch (StackOverflowError soe) {
+                throw error("Stack overflow during pattern compilation");
+            }
         } else {
             root = new Start(lastAccept);
             matchRoot = lastAccept;
@@ -1965,6 +1969,10 @@
         int ch = temp[cursor++];
         while (ch != 0 && !isLineSeparator(ch))
             ch = temp[cursor++];
+        if (ch == 0 && cursor > patternLength) {
+            cursor = patternLength;
+            ch = temp[cursor++];
+        }
         return ch;
     }
 
@@ -1975,6 +1983,10 @@
         int ch = temp[++cursor];
         while (ch != 0 && !isLineSeparator(ch))
             ch = temp[++cursor];
+        if (ch == 0 && cursor > patternLength) {
+            cursor = patternLength;
+            ch = temp[cursor];
+        }
         return ch;
     }
 
@@ -3415,9 +3427,10 @@
     private int N() {
         if (read() == '{') {
             int i = cursor;
-            while (cursor < patternLength && read() != '}') {}
-            if (cursor > patternLength)
-                throw error("Unclosed character name escape sequence");
+            while (read() != '}') {
+                if (cursor >= patternLength)
+                    throw error("Unclosed character name escape sequence");
+            }
             String name = new String(temp, i, cursor - i - 1);
             try {
                 return Character.codePointOf(name);
--- a/src/java.base/share/classes/javax/crypto/CryptoPermission.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/javax/crypto/CryptoPermission.java	Wed Oct 16 15:31:05 2019 +0200
@@ -55,6 +55,7 @@
     private String alg;
     private int maxKeySize = Integer.MAX_VALUE; // no restriction on maxKeySize
     private String exemptionMechanism = null;
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private AlgorithmParameterSpec algParamSpec = null;
     private boolean checkParam = false; // no restriction on param
 
--- a/src/java.base/share/classes/javax/security/auth/PrivateCredentialPermission.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/javax/security/auth/PrivateCredentialPermission.java	Wed Oct 16 15:31:05 2019 +0200
@@ -119,6 +119,7 @@
      *          The set contains elements of type,
      *          {@code PrivateCredentialPermission.CredOwner}.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Set<Principal> principals;  // ignored - kept around for compatibility
     private transient CredOwner[] credOwners;
 
--- a/src/java.base/share/classes/javax/security/auth/Subject.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/javax/security/auth/Subject.java	Wed Oct 16 15:31:05 2019 +0200
@@ -111,6 +111,7 @@
      *          {@code java.security.Principal}.
      *          The set is a {@code Subject.SecureSet}.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     Set<Principal> principals;
 
     /**
--- a/src/java.base/share/classes/javax/security/auth/callback/UnsupportedCallbackException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/javax/security/auth/callback/UnsupportedCallbackException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -39,6 +39,7 @@
     /**
      * @serial
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Callback callback;
 
     /**
--- a/src/java.base/share/classes/sun/net/www/protocol/http/HttpURLConnection.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/net/www/protocol/http/HttpURLConnection.java	Wed Oct 16 15:31:05 2019 +0200
@@ -2171,6 +2171,10 @@
             } while (retryTunnel < maxRedirects);
 
             if (retryTunnel >= maxRedirects || (respCode != HTTP_OK)) {
+                if (respCode != HTTP_PROXY_AUTH) {
+                    // remove all but authenticate responses
+                    responses.reset();
+                }
                 throw new IOException("Unable to tunnel through proxy."+
                                       " Proxy returns \"" +
                                       statusLine + "\"");
--- a/src/java.base/share/classes/sun/net/www/protocol/http/NegotiateAuthentication.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/net/www/protocol/http/NegotiateAuthentication.java	Wed Oct 16 15:31:05 2019 +0200
@@ -49,6 +49,7 @@
     private static final long serialVersionUID = 100L;
     private static final PlatformLogger logger = HttpURLConnection.getHttpLogger();
 
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private final HttpCallerInfo hci;
 
     // These maps are used to manage the GSS availability for diffrent
@@ -67,6 +68,7 @@
     }
 
     // The HTTP Negotiate Helper
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Negotiator negotiator = null;
 
    /**
--- a/src/java.base/share/classes/sun/net/www/protocol/jar/Handler.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/net/www/protocol/jar/Handler.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -121,6 +121,13 @@
         return h;
     }
 
+    public String checkNestedProtocol(String spec) {
+        if (spec.regionMatches(true, 0, "jar:", 0, 4)) {
+            return "Nested JAR URLs are not supported";
+        } else {
+            return null;
+        }
+    }
 
     @Override
     @SuppressWarnings("deprecation")
@@ -146,6 +153,12 @@
                 : false;
         spec = spec.substring(start, limit);
 
+        String exceptionMessage = checkNestedProtocol(spec);
+        if (exceptionMessage != null) {
+            // NPE will be transformed into MalformedURLException by the caller
+            throw new NullPointerException(exceptionMessage);
+        }
+
         if (absoluteSpec) {
             file = parseAbsoluteSpec(spec);
         } else if (!refOnly) {
--- a/src/java.base/share/classes/sun/nio/ch/DatagramChannelImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/nio/ch/DatagramChannelImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -875,6 +875,11 @@
                     if (state == ST_CONNECTED)
                         throw new AlreadyConnectedException();
 
+                    // ensure that the socket is bound
+                    if (localAddress == null) {
+                        bindInternal(null);
+                    }
+
                     int n = Net.connect(family,
                                         fd,
                                         isa.getAddress(),
@@ -932,8 +937,21 @@
                     remoteAddress = null;
                     state = ST_UNCONNECTED;
 
-                    // refresh local address
-                    localAddress = Net.localAddress(fd);
+                    // check whether rebind is needed
+                    InetSocketAddress isa = Net.localAddress(fd);
+                    if (isa.getPort() == 0) {
+                        // On Linux, if bound to ephemeral port,
+                        // disconnect does not preserve that port.
+                        // In this case, try to rebind to the previous port.
+                        int port = localAddress.getPort();
+                        localAddress = isa; // in case Net.bind fails
+                        Net.bind(family, fd, isa.getAddress(), port);
+                        isa = Net.localAddress(fd); // refresh address
+                        assert isa.getPort() == port;
+                    }
+
+                    // refresh localAddress
+                    localAddress = isa;
                 }
             } finally {
                 writeLock.unlock();
--- a/src/java.base/share/classes/sun/nio/ch/SelectorImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/nio/ch/SelectorImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -208,7 +208,8 @@
         if (!(ch instanceof SelChImpl))
             throw new IllegalSelectorException();
         SelectionKeyImpl k = new SelectionKeyImpl((SelChImpl)ch, this);
-        k.attach(attachment);
+        if (attachment != null)
+            k.attach(attachment);
 
         // register (if needed) before adding to key set
         implRegister(k);
--- a/src/java.base/share/classes/sun/nio/ch/ServerSocketAdaptor.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/nio/ch/ServerSocketAdaptor.java	Wed Oct 16 15:31:05 2019 +0200
@@ -37,6 +37,9 @@
 import java.nio.channels.IllegalBlockingModeException;
 import java.nio.channels.ServerSocketChannel;
 import java.nio.channels.SocketChannel;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
 import java.util.Set;
 
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
@@ -59,7 +62,12 @@
     private volatile int timeout;
 
     static ServerSocket create(ServerSocketChannelImpl ssc) {
-        return new ServerSocketAdaptor(ssc);
+        PrivilegedExceptionAction<ServerSocket> pa = () -> new ServerSocketAdaptor(ssc);
+        try {
+            return AccessController.doPrivileged(pa);
+        } catch (PrivilegedActionException pae) {
+            throw new InternalError("Should not reach here", pae);
+        }
     }
 
     private ServerSocketAdaptor(ServerSocketChannelImpl ssc) {
--- a/src/java.base/share/classes/sun/nio/ch/SocketAdaptor.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/nio/ch/SocketAdaptor.java	Wed Oct 16 15:31:05 2019 +0200
@@ -36,6 +36,9 @@
 import java.net.SocketOption;
 import java.net.StandardSocketOptions;
 import java.nio.channels.SocketChannel;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
 import java.util.Set;
 
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
@@ -61,10 +64,11 @@
     }
 
     static Socket create(SocketChannelImpl sc) {
+        PrivilegedExceptionAction<Socket> pa = () -> new SocketAdaptor(sc);
         try {
-            return new SocketAdaptor(sc);
-        } catch (SocketException e) {
-            throw new InternalError("Should not reach here");
+            return AccessController.doPrivileged(pa);
+        } catch (PrivilegedActionException pae) {
+            throw new InternalError("Should not reach here", pae);
         }
     }
 
--- a/src/java.base/share/classes/sun/nio/cs/ArrayDecoder.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/nio/cs/ArrayDecoder.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,6 +28,9 @@
 /*
  * FastPath byte[]->char[] decoder, REPLACE on malformed or
  * unmappable input.
+ *
+ * FastPath encoded byte[]-> "String Latin1 coding" byte[] decoder for use when
+ * charset is always decodable to the internal String Latin1 coding byte[], ie. all mappings <=0xff
  */
 
 public interface ArrayDecoder {
@@ -36,4 +39,14 @@
     default boolean isASCIICompatible() {
         return false;
     }
+
+    // Is always decodable to internal String Latin1 coding, ie. all mappings <= 0xff
+    default boolean isLatin1Decodable() {
+        return false;
+    }
+
+    // Decode to internal String Latin1 coding byte[] fastpath for when isLatin1Decodable == true
+    default int decodeToLatin1(byte[] src, int sp, int len, byte[] dst) {
+        return 0;
+    }
 }
--- a/src/java.base/share/classes/sun/nio/cs/SingleByte.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/nio/cs/SingleByte.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,17 +50,27 @@
                                       implements ArrayDecoder {
         private final char[] b2c;
         private final boolean isASCIICompatible;
+        private final boolean isLatin1Decodable;
 
         public Decoder(Charset cs, char[] b2c) {
             super(cs, 1.0f, 1.0f);
             this.b2c = b2c;
             this.isASCIICompatible = false;
+            this.isLatin1Decodable = false;
         }
 
         public Decoder(Charset cs, char[] b2c, boolean isASCIICompatible) {
             super(cs, 1.0f, 1.0f);
             this.b2c = b2c;
             this.isASCIICompatible = isASCIICompatible;
+            this.isLatin1Decodable = false;
+        }
+
+        public Decoder(Charset cs, char[] b2c, boolean isASCIICompatible, boolean isLatin1Decodable) {
+            super(cs, 1.0f, 1.0f);
+            this.b2c = b2c;
+            this.isASCIICompatible = isASCIICompatible;
+            this.isLatin1Decodable = isLatin1Decodable;
         }
 
         private CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
@@ -125,6 +135,18 @@
         }
 
         @Override
+        public int decodeToLatin1(byte[] src, int sp, int len, byte[] dst) {
+            if (len > dst.length)
+                len = dst.length;
+
+            int dp = 0;
+            while (dp < len) {
+                dst[dp++] = (byte)decode(src[sp++]);
+            }
+            return dp;
+        }
+
+        @Override
         public int decode(byte[] src, int sp, int len, char[] dst) {
             if (len > dst.length)
                 len = dst.length;
@@ -143,6 +165,11 @@
         public boolean isASCIICompatible() {
             return isASCIICompatible;
         }
+
+        @Override
+        public boolean isLatin1Decodable() {
+            return isLatin1Decodable;
+        }
     }
 
     public static final class Encoder extends CharsetEncoder
--- a/src/java.base/share/classes/sun/reflect/annotation/AnnotationInvocationHandler.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/reflect/annotation/AnnotationInvocationHandler.java	Wed Oct 16 15:31:05 2019 +0200
@@ -44,6 +44,7 @@
     @java.io.Serial
     private static final long serialVersionUID = 6182022883658399397L;
     private final Class<? extends Annotation> type;
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private final Map<String, Object> memberValues;
 
     AnnotationInvocationHandler(Class<? extends Annotation> type, Map<String, Object> memberValues) {
--- a/src/java.base/share/classes/sun/reflect/annotation/AnnotationTypeMismatchExceptionProxy.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/reflect/annotation/AnnotationTypeMismatchExceptionProxy.java	Wed Oct 16 15:31:05 2019 +0200
@@ -36,7 +36,8 @@
 class AnnotationTypeMismatchExceptionProxy extends ExceptionProxy {
     @java.io.Serial
     private static final long serialVersionUID = 7844069490309503934L;
-    private Method member;
+    @SuppressWarnings("serial") // Not statically typed as Serializable
+    private Method member; // Would be more robust to null-out in a writeObject method.
     private final String foundType;
 
     /**
--- a/src/java.base/share/classes/sun/security/internal/spec/TlsKeyMaterialSpec.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/internal/spec/TlsKeyMaterialSpec.java	Wed Oct 16 15:31:05 2019 +0200
@@ -50,7 +50,11 @@
 
     private final SecretKey clientMacKey, serverMacKey;
     private final SecretKey clientCipherKey, serverCipherKey;
-    private final IvParameterSpec clientIv, serverIv;
+
+    @SuppressWarnings("serial") // Not statically typed as Serializable
+    private final IvParameterSpec clientIv;
+    @SuppressWarnings("serial") // Not statically typed as Serializable
+    private final IvParameterSpec serverIv;
 
     /**
      * Constructs a new TlsKeymaterialSpec from the client and server MAC
--- a/src/java.base/share/classes/sun/security/provider/PolicyParser.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/provider/PolicyParser.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1315,7 +1315,9 @@
         private static final long serialVersionUID = -4330692689482574072L;
 
         private String i18nMessage;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private LocalizedMessage localizedMsg;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private Object[] source;
 
         /**
--- a/src/java.base/share/classes/sun/security/provider/SubjectCodeSource.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/provider/SubjectCodeSource.java	Wed Oct 16 15:31:05 2019 +0200
@@ -54,6 +54,7 @@
     private static final Class<?>[] PARAMS = { String.class };
     private static final sun.security.util.Debug debug =
         sun.security.util.Debug.getInstance("auth", "\t[Auth Access]");
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private ClassLoader sysClassLoader;
 
     /**
--- a/src/java.base/share/classes/sun/security/provider/certpath/X509CertPath.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/provider/certpath/X509CertPath.java	Wed Oct 16 15:31:05 2019 +0200
@@ -69,6 +69,7 @@
     /**
      * List of certificates in this chain
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private List<X509Certificate> certs;
 
     /**
--- a/src/java.base/share/classes/sun/security/rsa/RSAPrivateCrtKeyImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/rsa/RSAPrivateCrtKeyImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -70,6 +70,7 @@
     // Optional parameters associated with this RSA key
     // specified in the encoding of its AlgorithmId.
     // Must be null for "RSA" keys.
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private AlgorithmParameterSpec keyParams;
 
     /**
--- a/src/java.base/share/classes/sun/security/rsa/RSAPrivateKeyImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/rsa/RSAPrivateKeyImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -61,6 +61,7 @@
     // optional parameters associated with this RSA key
     // specified in the encoding of its AlgorithmId.
     // must be null for "RSA" keys.
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private final AlgorithmParameterSpec keyParams;
 
     /**
--- a/src/java.base/share/classes/sun/security/rsa/RSAPublicKeyImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/rsa/RSAPublicKeyImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -62,6 +62,7 @@
     // optional parameters associated with this RSA key
     // specified in the encoding of its AlgorithmId
     // must be null for "RSA" keys.
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private AlgorithmParameterSpec keyParams;
 
     /**
--- a/src/java.base/share/classes/sun/security/ssl/SupportedGroupsExtension.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/ssl/SupportedGroupsExtension.java	Wed Oct 16 15:31:05 2019 +0200
@@ -201,7 +201,7 @@
                         // Primary XDH (RFC 7748) curves
                         NamedGroup.X25519,
 
-                        // Primary NIST curves (e.g. used in TLSv1.3)
+                        // Primary NIST Suite B curves
                         NamedGroup.SECP256_R1,
                         NamedGroup.SECP384_R1,
                         NamedGroup.SECP521_R1,
@@ -209,17 +209,6 @@
                         // Secondary XDH curves
                         NamedGroup.X448,
 
-                        // Secondary NIST curves
-                        NamedGroup.SECT283_K1,
-                        NamedGroup.SECT283_R1,
-                        NamedGroup.SECT409_K1,
-                        NamedGroup.SECT409_R1,
-                        NamedGroup.SECT571_K1,
-                        NamedGroup.SECT571_R1,
-
-                        // non-NIST curves
-                        NamedGroup.SECP256_K1,
-
                         // FFDHE (RFC 7919)
                         NamedGroup.FFDHE_2048,
                         NamedGroup.FFDHE_3072,
--- a/src/java.base/share/classes/sun/security/util/FilePermCompat.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/util/FilePermCompat.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,8 +42,11 @@
     public static final boolean compat;
 
     static {
-        String flag = GetPropertyAction.privilegedGetProperty(
-                "jdk.io.permissionsUseCanonicalPath", "false");
+        String flag = SecurityProperties.privilegedGetOverridable(
+                "jdk.io.permissionsUseCanonicalPath");
+        if (flag == null) {
+            flag = "false";
+        }
         switch (flag) {
             case "true":
                 nb = false;
--- a/src/java.base/share/classes/sun/security/util/ObjectIdentifier.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/util/ObjectIdentifier.java	Wed Oct 16 15:31:05 2019 +0200
@@ -98,6 +98,7 @@
      * Changed to Object
      * @serial
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Object      components   = null;          // path from root
     /**
      * @serial
--- a/src/java.base/share/classes/sun/security/util/SecurityConstants.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/util/SecurityConstants.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -97,6 +97,10 @@
     public static final NetPermission GET_RESPONSECACHE_PERMISSION =
        new NetPermission("getResponseCache");
 
+    // java.net.ServerSocket, java.net.Socket
+    public static final NetPermission SET_SOCKETIMPL_PERMISSION =
+        new NetPermission("setSocketImpl");
+
     // java.lang.SecurityManager, sun.applet.AppletPanel
     public static final RuntimePermission CREATE_CLASSLOADER_PERMISSION =
         new RuntimePermission("createClassLoader");
--- a/src/java.base/share/classes/sun/security/validator/ValidatorException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/validator/ValidatorException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -62,6 +62,7 @@
     public static final Object T_UNTRUSTED_CERT =
         "Untrusted certificate";
 
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Object type;
     private X509Certificate cert;
 
--- a/src/java.base/share/classes/sun/security/x509/AlgorithmId.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/x509/AlgorithmId.java	Wed Oct 16 15:31:05 2019 +0200
@@ -72,6 +72,7 @@
     private ObjectIdentifier algid;
 
     // The (parsed) parameters
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private AlgorithmParameters algParams;
     private boolean constructedFromDer = true;
 
@@ -80,6 +81,7 @@
      * DER-encoded form; subclasses can be made to automaticaly parse
      * them so there is fast access to these parameters.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected DerValue          params;
 
 
--- a/src/java.base/share/classes/sun/security/x509/X509CertImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/x509/X509CertImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -70,6 +70,7 @@
  * @author Hemma Prafullchandra
  * @see X509CertInfo
  */
+@SuppressWarnings("serial") // See writeReplace method in Certificate
 public class X509CertImpl extends X509Certificate implements DerEncoder {
 
     @java.io.Serial
--- a/src/java.base/share/classes/sun/security/x509/X509Key.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/classes/sun/security/x509/X509Key.java	Wed Oct 16 15:31:05 2019 +0200
@@ -84,7 +84,7 @@
     private int unusedBits = 0;
 
     /* BitArray form of key */
-    private BitArray bitStringKey = null;
+    private transient BitArray bitStringKey = null;
 
     /* The encoding for the key. */
     protected byte[] encodedKey;
--- a/src/java.base/share/conf/security/java.security	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/conf/security/java.security	Wed Oct 16 15:31:05 2019 +0200
@@ -1213,3 +1213,51 @@
 # if this property is not enabled.
 #
 jdk.security.caDistrustPolicies=SYMANTEC_TLS
+
+#
+# FilePermission path canonicalization
+#
+# This security property dictates how the path argument is processed and stored
+# while constructing a FilePermission object. If the value is set to true, the
+# path argument is canonicalized and FilePermission methods (such as implies,
+# equals, and hashCode) are implemented based on this canonicalized result.
+# Otherwise, the path argument is not canonicalized and FilePermission methods are
+# implemented based on the original input. See the implementation note of the
+# FilePermission class for more details.
+#
+# If a system property of the same name is also specified, it supersedes the
+# security property value defined here.
+#
+# The default value for this property is false.
+#
+jdk.io.permissionsUseCanonicalPath=false
+
+
+#
+# Policies for the proxy_impersonator Kerberos ccache configuration entry
+#
+# The proxy_impersonator ccache configuration entry indicates that the ccache
+# is a synthetic delegated credential for use with S4U2Proxy by an intermediate
+# server. The ccache file should also contain the TGT of this server and
+# an evidence ticket from the default principal of the ccache to this server.
+#
+# This security property determines how Java uses this configuration entry.
+# There are 3 possible values:
+#
+#  no-impersonate     - Ignore this configuration entry, and always act as
+#                       the owner of the TGT (if it exists).
+#
+#  try-impersonate    - Try impersonation when this configuration entry exists.
+#                       If no matching TGT or evidence ticket is found,
+#                       fallback to no-impersonate.
+#
+#  always-impersonate - Always impersonate when this configuration entry exists.
+#                       If no matching TGT or evidence ticket is found,
+#                       no initial credential is read from the ccache.
+#
+# The default value is "always-impersonate".
+#
+# If a system property of the same name is also specified, it supersedes the
+# security property value defined here.
+#
+#jdk.security.krb5.default.initiate.credential=always-impersonate
--- a/src/java.base/share/native/libjava/Class.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/native/libjava/Class.c	Wed Oct 16 15:31:05 2019 +0200
@@ -35,12 +35,9 @@
 #include "jni.h"
 #include "jni_util.h"
 #include "jvm.h"
+#include "check_classname.h"
 #include "java_lang_Class.h"
 
-/* defined in libverify.so/verify.dll (src file common/check_format.c) */
-extern jboolean VerifyClassname(char *utf_name, jboolean arrayAllowed);
-extern jboolean VerifyFixClassname(char *utf_name);
-
 #define OBJ "Ljava/lang/Object;"
 #define CLS "Ljava/lang/Class;"
 #define CPL "Ljdk/internal/reflect/ConstantPool;"
@@ -123,14 +120,14 @@
     }
     (*env)->GetStringUTFRegion(env, classname, 0, unicode_len, clname);
 
-    if (VerifyFixClassname(clname) == JNI_TRUE) {
+    if (verifyFixClassname(clname) == JNI_TRUE) {
         /* slashes present in clname, use name b4 translation for exception */
         (*env)->GetStringUTFRegion(env, classname, 0, unicode_len, clname);
         JNU_ThrowClassNotFoundException(env, clname);
         goto done;
     }
 
-    if (!VerifyClassname(clname, JNI_TRUE)) {  /* expects slashed name */
+    if (!verifyClassname(clname, JNI_TRUE)) {  /* expects slashed name */
         JNU_ThrowClassNotFoundException(env, clname);
         goto done;
     }
--- a/src/java.base/share/native/libjava/ClassLoader.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/native/libjava/ClassLoader.c	Wed Oct 16 15:31:05 2019 +0200
@@ -30,14 +30,11 @@
 #include "jni_util.h"
 #include "jlong.h"
 #include "jvm.h"
+#include "check_classname.h"
 #include "java_lang_ClassLoader.h"
 #include "java_lang_ClassLoader_NativeLibrary.h"
 #include <string.h>
 
-/* defined in libverify.so/verify.dll (src file common/check_format.c) */
-extern jboolean VerifyClassname(char *utf_name, jboolean arrayAllowed);
-extern jboolean VerifyFixClassname(char *utf_name);
-
 static JNINativeMethod methods[] = {
     {"retrieveDirectives",  "()Ljava/lang/AssertionStatusDirectives;", (void *)&JVM_AssertionStatusDirectives}
 };
@@ -120,7 +117,7 @@
         if (utfName == NULL) {
             goto free_body;
         }
-        VerifyFixClassname(utfName);
+        fixClassname(utfName);
     } else {
         utfName = NULL;
     }
@@ -185,7 +182,7 @@
             JNU_ThrowOutOfMemoryError(env, NULL);
             return result;
         }
-        VerifyFixClassname(utfName);
+        fixClassname(utfName);
     } else {
         utfName = NULL;
     }
@@ -231,9 +228,9 @@
         JNU_ThrowOutOfMemoryError(env, NULL);
         return NULL;
     }
-    VerifyFixClassname(clname);
+    fixClassname(clname);
 
-    if (!VerifyClassname(clname, JNI_TRUE)) {  /* expects slashed name */
+    if (!verifyClassname(clname, JNI_TRUE)) {  /* expects slashed name */
         goto done;
     }
 
--- a/src/java.base/share/native/libjava/VM.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/native/libjava/VM.c	Wed Oct 16 15:31:05 2019 +0200
@@ -42,11 +42,6 @@
 
 JNIEXPORT void JNICALL
 Java_jdk_internal_misc_VM_initialize(JNIEnv *env, jclass cls) {
-    if (!JDK_InitJvmHandle()) {
-        JNU_ThrowInternalError(env, "Handle for JVM not found for symbol lookup");
-        return;
-    }
-
     // Registers implementations of native methods described in methods[]
     // above.
     // In particular, registers JVM_GetNanoTimeAdjustment as the implementation
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/native/libjava/check_classname.c	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,292 @@
+/*
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <assert.h>
+#include <limits.h>
+#include <setjmp.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "jni.h"
+#include "jvm.h"
+#include "check_classname.h"
+
+typedef unsigned short unicode;
+
+static char *
+skip_over_fieldname(char *name, jboolean slash_okay,
+                    unsigned int len);
+static char *
+skip_over_field_signature(char *name, jboolean void_okay,
+                          unsigned int len);
+
+/*
+ * Return non-zero if the character is a valid in JVM class name, zero
+ * otherwise.  The only characters currently disallowed from JVM class
+ * names are given in the table below:
+ *
+ * Character    Hex     Decimal
+ * '.'          0x2e    46
+ * '/'          0x2f    47
+ * ';'          0x3b    59
+ * '['          0x5b    91
+ *
+ * (Method names have further restrictions dealing with the '<' and
+ * '>' characters.)
+ */
+static int isJvmIdentifier(unicode ch) {
+  if( ch > 91 || ch < 46 )
+    return 1;   /* Lowercase ASCII letters are > 91 */
+  else { /* 46 <= ch <= 91 */
+    if (ch <= 90 && ch >= 60) {
+      return 1; /* Uppercase ASCII recognized here */
+    } else { /* ch == 91 || 46 <= ch <= 59 */
+      if (ch == 91 || ch == 59 || ch <= 47)
+        return 0;
+      else
+        return 1;
+    }
+  }
+}
+
+static unicode
+next_utf2unicode(char **utfstring_ptr, int * valid)
+{
+    unsigned char *ptr = (unsigned char *)(*utfstring_ptr);
+    unsigned char ch, ch2, ch3;
+    int length = 1;             /* default length */
+    unicode result = 0x80;      /* default bad result; */
+    *valid = 1;
+    switch ((ch = ptr[0]) >> 4) {
+        default:
+            result = ch;
+            break;
+
+        case 0x8: case 0x9: case 0xA: case 0xB: case 0xF:
+            /* Shouldn't happen. */
+            *valid = 0;
+            break;
+
+        case 0xC: case 0xD:
+            /* 110xxxxx  10xxxxxx */
+            if (((ch2 = ptr[1]) & 0xC0) == 0x80) {
+                unsigned char high_five = ch & 0x1F;
+                unsigned char low_six = ch2 & 0x3F;
+                result = (high_five << 6) + low_six;
+                length = 2;
+            }
+            break;
+
+        case 0xE:
+            /* 1110xxxx 10xxxxxx 10xxxxxx */
+            if (((ch2 = ptr[1]) & 0xC0) == 0x80) {
+                if (((ch3 = ptr[2]) & 0xC0) == 0x80) {
+                    unsigned char high_four = ch & 0x0f;
+                    unsigned char mid_six = ch2 & 0x3f;
+                    unsigned char low_six = ch3 & 0x3f;
+                    result = (((high_four << 6) + mid_six) << 6) + low_six;
+                    length = 3;
+                } else {
+                    length = 2;
+                }
+            }
+            break;
+        } /* end of switch */
+
+    *utfstring_ptr = (char *)(ptr + length);
+    return result;
+}
+
+/* Take pointer to a string.  Skip over the longest part of the string that
+ * could be taken as a fieldname.  Allow '/' if slash_okay is JNI_TRUE.
+ *
+ * Return a pointer to just past the fieldname.  Return NULL if no fieldname
+ * at all was found, or in the case of slash_okay being true, we saw
+ * consecutive slashes (meaning we were looking for a qualified path but
+ * found something that was badly-formed).
+ */
+static char *
+skip_over_fieldname(char *name, jboolean slash_okay,
+                    unsigned int length)
+{
+    char *p;
+    unicode ch;
+    unicode last_ch = 0;
+    int valid = 1;
+    /* last_ch == 0 implies we are looking at the first char. */
+    for (p = name; p != name + length; last_ch = ch) {
+        char *old_p = p;
+        ch = *p;
+        if (ch < 128) {
+            p++;
+            if (isJvmIdentifier(ch)) {
+                continue;
+            }
+        } else {
+            char *tmp_p = p;
+            ch = next_utf2unicode(&tmp_p, &valid);
+            if (valid == 0)
+              return 0;
+            p = tmp_p;
+            if (isJvmIdentifier(ch)) {
+                        continue;
+            }
+        }
+
+        if (slash_okay && ch == '/' && last_ch) {
+            if (last_ch == '/') {
+                return 0;       /* Don't permit consecutive slashes */
+            }
+        } else if (ch == '_' || ch == '$') {
+        } else {
+            return last_ch ? old_p : 0;
+        }
+    }
+    return last_ch ? p : 0;
+}
+
+/* Take pointer to a string.  Skip over the longest part of the string that
+ * could be taken as a field signature.  Allow "void" if void_okay.
+ *
+ * Return a pointer to just past the signature.  Return NULL if no legal
+ * signature is found.
+ */
+
+static char *
+skip_over_field_signature(char *name, jboolean void_okay,
+                          unsigned int length)
+{
+    unsigned int array_dim = 0;
+    for (;length > 0;) {
+        switch (name[0]) {
+            case JVM_SIGNATURE_VOID:
+                if (!void_okay) return 0;
+                /* FALL THROUGH */
+            case JVM_SIGNATURE_BOOLEAN:
+            case JVM_SIGNATURE_BYTE:
+            case JVM_SIGNATURE_CHAR:
+            case JVM_SIGNATURE_SHORT:
+            case JVM_SIGNATURE_INT:
+            case JVM_SIGNATURE_FLOAT:
+            case JVM_SIGNATURE_LONG:
+            case JVM_SIGNATURE_DOUBLE:
+                return name + 1;
+
+            case JVM_SIGNATURE_CLASS: {
+                /* Skip over the classname, if one is there. */
+                char *p =
+                    skip_over_fieldname(name + 1, JNI_TRUE, --length);
+                /* The next character better be a semicolon. */
+                if (p && p - name - 1 > 0 && p[0] == ';')
+                    return p + 1;
+                return 0;
+            }
+
+            case JVM_SIGNATURE_ARRAY:
+                array_dim++;
+                /* JVMS 2nd ed. 4.10 */
+                /*   The number of dimensions in an array is limited to 255 ... */
+                if (array_dim > 255) {
+                    return 0;
+                }
+                /* The rest of what's there better be a legal signature.  */
+                name++;
+                length--;
+                void_okay = JNI_FALSE;
+                break;
+
+            default:
+                return 0;
+        }
+    }
+    return 0;
+}
+
+/* Determine if the specified name is legal
+ * UTF name for a classname.
+ *
+ * Note that this routine expects the internal form of qualified classes:
+ * the dots should have been replaced by slashes.
+ */
+jboolean verifyClassname(char *name, jboolean allowArrayClass)
+{
+    size_t s = strlen(name);
+    assert(s <= UINT_MAX);
+    unsigned int length = (unsigned int)s;
+    char *p;
+
+    if (length > 0 && name[0] == JVM_SIGNATURE_ARRAY) {
+        if (!allowArrayClass) {
+            return JNI_FALSE;
+        } else {
+            /* Everything that's left better be a field signature */
+            p = skip_over_field_signature(name, JNI_FALSE, length);
+        }
+    } else {
+        /* skip over the fieldname.  Slashes are okay */
+        p = skip_over_fieldname(name, JNI_TRUE, length);
+    }
+    return (p != 0 && p - name == (ptrdiff_t)length);
+}
+
+/*
+ * Translates '.' to '/'.  Returns JNI_TRUE if any / were present.
+ */
+jboolean verifyFixClassname(char *name)
+{
+    char *p = name;
+    jboolean slashesFound = JNI_FALSE;
+    int valid = 1;
+
+    while (valid != 0 && *p != '\0') {
+        if (*p == '/') {
+            slashesFound = JNI_TRUE;
+            p++;
+        } else if (*p == '.') {
+            *p++ = '/';
+        } else {
+            next_utf2unicode(&p, &valid);
+        }
+    }
+
+    return slashesFound && valid != 0;
+}
+
+/*
+ * Translates '.' to '/'.
+ */
+void fixClassname(char *name)
+{
+    char *p = name;
+    int valid = 1;
+
+    while (valid != 0 && *p != '\0') {
+        if (*p == '.') {
+            *p++ = '/';
+        } else {
+            next_utf2unicode(&p, &valid);
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/native/libjava/check_classname.h	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "jni.h"
+
+/*
+ * Class name checking methods
+ */
+
+jboolean verifyClassname(char *name, jboolean allowArrayClass);
+jboolean verifyFixClassname(char *name);
+void fixClassname(char *name);
--- a/src/java.base/share/native/libjava/jdk_util.h	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/native/libjava/jdk_util.h	Wed Oct 16 15:31:05 2019 +0200
@@ -45,20 +45,6 @@
 JNIEXPORT void
 JDK_GetVersionInfo0(jdk_version_info* info, size_t info_size);
 
-
-/*-------------------------------------------------------
- * Internal interface for JDK to use
- *-------------------------------------------------------
- */
-
-/* Init JVM handle for symbol lookup;
- * Return 0 if JVM handle not found.
- */
-int JDK_InitJvmHandle();
-
-/* Find the named JVM entry; returns NULL if not found. */
-void* JDK_FindJvmEntry(const char* name);
-
 #ifdef __cplusplus
 } /* extern "C" */
 #endif /* __cplusplus */
--- a/src/java.base/share/native/libjava/jni_util.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/native/libjava/jni_util.c	Wed Oct 16 15:31:05 2019 +0200
@@ -77,77 +77,23 @@
 }
 
 JNIEXPORT void JNICALL
-JNU_ThrowIllegalAccessError(JNIEnv *env, const char *msg)
-{
-    JNU_ThrowByName(env, "java/lang/IllegalAccessError", msg);
-}
-
-JNIEXPORT void JNICALL
-JNU_ThrowIllegalAccessException(JNIEnv *env, const char *msg)
-{
-    JNU_ThrowByName(env, "java/lang/IllegalAccessException", msg);
-}
-
-JNIEXPORT void JNICALL
 JNU_ThrowInternalError(JNIEnv *env, const char *msg)
 {
     JNU_ThrowByName(env, "java/lang/InternalError", msg);
 }
 
 JNIEXPORT void JNICALL
-JNU_ThrowNoSuchFieldException(JNIEnv *env, const char *msg)
-{
-    JNU_ThrowByName(env, "java/lang/NoSuchFieldException", msg);
-}
-
-JNIEXPORT void JNICALL
-JNU_ThrowNoSuchMethodException(JNIEnv *env, const char *msg)
-{
-    JNU_ThrowByName(env, "java/lang/NoSuchMethodException", msg);
-}
-
-JNIEXPORT void JNICALL
 JNU_ThrowClassNotFoundException(JNIEnv *env, const char *msg)
 {
     JNU_ThrowByName(env, "java/lang/ClassNotFoundException", msg);
 }
 
 JNIEXPORT void JNICALL
-JNU_ThrowNumberFormatException(JNIEnv *env, const char *msg)
-{
-    JNU_ThrowByName(env, "java/lang/NumberFormatException", msg);
-}
-
-JNIEXPORT void JNICALL
 JNU_ThrowIOException(JNIEnv *env, const char *msg)
 {
     JNU_ThrowByName(env, "java/io/IOException", msg);
 }
 
-JNIEXPORT void JNICALL
-JNU_ThrowNoSuchFieldError(JNIEnv *env, const char *msg)
-{
-    JNU_ThrowByName(env, "java/lang/NoSuchFieldError", msg);
-}
-
-JNIEXPORT void JNICALL
-JNU_ThrowNoSuchMethodError(JNIEnv *env, const char *msg)
-{
-    JNU_ThrowByName(env, "java/lang/NoSuchMethodError", msg);
-}
-
-JNIEXPORT void JNICALL
-JNU_ThrowStringIndexOutOfBoundsException(JNIEnv *env, const char *msg)
-{
-    JNU_ThrowByName(env, "java/lang/StringIndexOutOfBoundsException", msg);
-}
-
-JNIEXPORT void JNICALL
-JNU_ThrowInstantiationException(JNIEnv *env, const char *msg)
-{
-    JNU_ThrowByName(env, "java/lang/InstantiationException", msg);
-}
-
 /*
  * Throw an exception by name, using the string returned by
  * getLastErrorString for the detail string. If the last-error
@@ -845,12 +791,6 @@
     CHECK_NULL(String_value_ID);
 }
 
-JNIEXPORT jstring
-NewStringPlatform(JNIEnv *env, const char *str)
-{
-    return JNU_NewStringPlatform(env, str);
-}
-
 JNIEXPORT jstring JNICALL
 JNU_NewStringPlatform(JNIEnv *env, const char *str)
 {
@@ -1024,54 +964,6 @@
     return cls;
 }
 
-JNIEXPORT jclass JNICALL
-JNU_ClassClass(JNIEnv *env)
-{
-    static jclass cls = 0;
-    if (cls == 0) {
-        jclass c;
-        if ((*env)->EnsureLocalCapacity(env, 1) < 0)
-            return 0;
-        c = (*env)->FindClass(env, "java/lang/Class");
-        CHECK_NULL_RETURN(c, NULL);
-        cls = (*env)->NewGlobalRef(env, c);
-        (*env)->DeleteLocalRef(env, c);
-    }
-    return cls;
-}
-
-JNIEXPORT jclass JNICALL
-JNU_ClassObject(JNIEnv *env)
-{
-    static jclass cls = 0;
-    if (cls == 0) {
-        jclass c;
-        if ((*env)->EnsureLocalCapacity(env, 1) < 0)
-            return 0;
-        c = (*env)->FindClass(env, "java/lang/Object");
-        CHECK_NULL_RETURN(c, NULL);
-        cls = (*env)->NewGlobalRef(env, c);
-        (*env)->DeleteLocalRef(env, c);
-    }
-    return cls;
-}
-
-JNIEXPORT jclass JNICALL
-JNU_ClassThrowable(JNIEnv *env)
-{
-    static jclass cls = 0;
-    if (cls == 0) {
-        jclass c;
-        if ((*env)->EnsureLocalCapacity(env, 1) < 0)
-            return 0;
-        c = (*env)->FindClass(env, "java/lang/Throwable");
-        CHECK_NULL_RETURN(c, NULL);
-        cls = (*env)->NewGlobalRef(env, c);
-        (*env)->DeleteLocalRef(env, c);
-    }
-    return cls;
-}
-
 JNIEXPORT jint JNICALL
 JNU_CopyObjectArray(JNIEnv *env, jobjectArray dst, jobjectArray src,
                          jint count)
@@ -1110,125 +1002,10 @@
     return JNI_ERR;
 }
 
-JNIEXPORT jboolean JNICALL
-JNU_Equals(JNIEnv *env, jobject object1, jobject object2)
-{
-    static jmethodID mid = NULL;
-    if (mid == NULL) {
-        jclass objClazz = JNU_ClassObject(env);
-        CHECK_NULL_RETURN(objClazz, JNI_FALSE);
-        mid = (*env)->GetMethodID(env, objClazz, "equals",
-                                  "(Ljava/lang/Object;)Z");
-        CHECK_NULL_RETURN(mid, JNI_FALSE);
-    }
-    return (*env)->CallBooleanMethod(env, object1, mid, object2);
-}
-
-
-/************************************************************************
- * Thread calls
- */
-
-static jmethodID Object_waitMID;
-static jmethodID Object_notifyMID;
-static jmethodID Object_notifyAllMID;
-
-JNIEXPORT void JNICALL
-JNU_MonitorWait(JNIEnv *env, jobject object, jlong timeout)
-{
-    if (object == NULL) {
-        JNU_ThrowNullPointerException(env, "JNU_MonitorWait argument");
-        return;
-    }
-    if (Object_waitMID == NULL) {
-        jclass cls = JNU_ClassObject(env);
-        if (cls == NULL) {
-            return;
-        }
-        Object_waitMID = (*env)->GetMethodID(env, cls, "wait", "(J)V");
-        if (Object_waitMID == NULL) {
-            return;
-        }
-    }
-    (*env)->CallVoidMethod(env, object, Object_waitMID, timeout);
-}
-
-JNIEXPORT void JNICALL
-JNU_Notify(JNIEnv *env, jobject object)
-{
-    if (object == NULL) {
-        JNU_ThrowNullPointerException(env, "JNU_Notify argument");
-        return;
-    }
-    if (Object_notifyMID == NULL) {
-        jclass cls = JNU_ClassObject(env);
-        if (cls == NULL) {
-            return;
-        }
-        Object_notifyMID = (*env)->GetMethodID(env, cls, "notify", "()V");
-        if (Object_notifyMID == NULL) {
-            return;
-        }
-    }
-    (*env)->CallVoidMethod(env, object, Object_notifyMID);
-}
-
-JNIEXPORT void JNICALL
-JNU_NotifyAll(JNIEnv *env, jobject object)
-{
-    if (object == NULL) {
-        JNU_ThrowNullPointerException(env, "JNU_NotifyAll argument");
-        return;
-    }
-    if (Object_notifyAllMID == NULL) {
-        jclass cls = JNU_ClassObject(env);
-        if (cls == NULL) {
-            return;
-        }
-        Object_notifyAllMID = (*env)->GetMethodID(env, cls,"notifyAll", "()V");
-        if (Object_notifyAllMID == NULL) {
-            return;
-        }
-    }
-    (*env)->CallVoidMethod(env, object, Object_notifyAllMID);
-}
-
-
 /************************************************************************
  * Debugging utilities
  */
 
-JNIEXPORT void JNICALL
-JNU_PrintString(JNIEnv *env, char *hdr, jstring string)
-{
-    if (string == NULL) {
-        fprintf(stderr, "%s: is NULL\n", hdr);
-    } else {
-        const char *stringPtr = JNU_GetStringPlatformChars(env, string, 0);
-        if (stringPtr == 0)
-            return;
-        fprintf(stderr, "%s: %s\n", hdr, stringPtr);
-        JNU_ReleaseStringPlatformChars(env, string, stringPtr);
-    }
-}
-
-JNIEXPORT void JNICALL
-JNU_PrintClass(JNIEnv *env, char* hdr, jobject object)
-{
-    if (object == NULL) {
-        fprintf(stderr, "%s: object is NULL\n", hdr);
-        return;
-    } else {
-        jclass cls = (*env)->GetObjectClass(env, object);
-        jstring clsName = JNU_ToString(env, cls);
-        if (clsName == NULL) {
-            JNU_PrintString(env, hdr, clsName);
-        }
-        (*env)->DeleteLocalRef(env, cls);
-        (*env)->DeleteLocalRef(env, clsName);
-    }
-}
-
 JNIEXPORT jstring JNICALL
 JNU_ToString(JNIEnv *env, jobject object)
 {
@@ -1437,70 +1214,3 @@
     }
     return result;
 }
-
-JNIEXPORT void JNICALL
-JNU_SetStaticFieldByName(JNIEnv *env,
-                         jboolean *hasException,
-                         const char *classname,
-                         const char *name,
-                         const char *signature,
-                         ...)
-{
-    jclass cls;
-    jfieldID fid;
-    va_list args;
-
-    if ((*env)->EnsureLocalCapacity(env, 3) < 0)
-        goto done2;
-
-    cls = (*env)->FindClass(env, classname);
-    if (cls == 0)
-        goto done2;
-
-    fid = (*env)->GetStaticFieldID(env, cls, name, signature);
-    if (fid == 0)
-        goto done1;
-
-    va_start(args, signature);
-    switch (*signature) {
-    case '[':
-    case 'L':
-        (*env)->SetStaticObjectField(env, cls, fid, va_arg(args, jobject));
-        break;
-    case 'Z':
-        (*env)->SetStaticBooleanField(env, cls, fid, (jboolean)va_arg(args, int));
-        break;
-    case 'B':
-        (*env)->SetStaticByteField(env, cls, fid, (jbyte)va_arg(args, int));
-        break;
-    case 'C':
-        (*env)->SetStaticCharField(env, cls, fid, (jchar)va_arg(args, int));
-        break;
-    case 'S':
-        (*env)->SetStaticShortField(env, cls, fid, (jshort)va_arg(args, int));
-        break;
-    case 'I':
-        (*env)->SetStaticIntField(env, cls, fid, va_arg(args, jint));
-        break;
-    case 'J':
-        (*env)->SetStaticLongField(env, cls, fid, va_arg(args, jlong));
-        break;
-    case 'F':
-        (*env)->SetStaticFloatField(env, cls, fid, (jfloat)va_arg(args, jdouble));
-        break;
-    case 'D':
-        (*env)->SetStaticDoubleField(env, cls, fid, va_arg(args, jdouble));
-        break;
-
-    default:
-        (*env)->FatalError(env, "JNU_SetStaticFieldByName: illegal signature");
-    }
-    va_end(args);
-
- done1:
-    (*env)->DeleteLocalRef(env, cls);
- done2:
-    if (hasException) {
-        *hasException = (*env)->ExceptionCheck(env);
-    }
-}
--- a/src/java.base/share/native/libjava/jni_util.h	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/native/libjava/jni_util.h	Wed Oct 16 15:31:05 2019 +0200
@@ -62,41 +62,14 @@
 JNU_ThrowIllegalArgumentException(JNIEnv *env, const char *msg);
 
 JNIEXPORT void JNICALL
-JNU_ThrowIllegalAccessError(JNIEnv *env, const char *msg);
-
-JNIEXPORT void JNICALL
-JNU_ThrowIllegalAccessException(JNIEnv *env, const char *msg);
-
-JNIEXPORT void JNICALL
 JNU_ThrowInternalError(JNIEnv *env, const char *msg);
 
 JNIEXPORT void JNICALL
 JNU_ThrowIOException(JNIEnv *env, const char *msg);
 
 JNIEXPORT void JNICALL
-JNU_ThrowNoSuchFieldException(JNIEnv *env, const char *msg);
-
-JNIEXPORT void JNICALL
-JNU_ThrowNoSuchMethodException(JNIEnv *env, const char *msg);
-
-JNIEXPORT void JNICALL
 JNU_ThrowClassNotFoundException(JNIEnv *env, const char *msg);
 
-JNIEXPORT void JNICALL
-JNU_ThrowNumberFormatException(JNIEnv *env, const char *msg);
-
-JNIEXPORT void JNICALL
-JNU_ThrowNoSuchFieldError(JNIEnv *env, const char *msg);
-
-JNIEXPORT void JNICALL
-JNU_ThrowNoSuchMethodError(JNIEnv *env, const char *msg);
-
-JNIEXPORT void JNICALL
-JNU_ThrowStringIndexOutOfBoundsException(JNIEnv *env, const char *msg);
-
-JNIEXPORT void JNICALL
-JNU_ThrowInstantiationException(JNIEnv *env, const char *msg);
-
 /* Throw an exception by name, using the string returned by
  * getLastErrorString for the detail string. If the last-error
  * string is NULL, use the given default detail string.
@@ -120,9 +93,6 @@
 JNU_ThrowIOExceptionWithLastError(JNIEnv *env, const char *defaultDetail);
 
 /* Convert between Java strings and i18n C strings */
-JNIEXPORT jstring
-NewStringPlatform(JNIEnv *env, const char *str);
-
 JNIEXPORT const char *
 GetStringPlatformChars(JNIEnv *env, jstring jstr, jboolean *isCopy);
 
@@ -139,15 +109,6 @@
 JNIEXPORT jclass JNICALL
 JNU_ClassString(JNIEnv *env);
 
-JNIEXPORT jclass JNICALL
-JNU_ClassClass(JNIEnv *env);
-
-JNIEXPORT jclass JNICALL
-JNU_ClassObject(JNIEnv *env);
-
-JNIEXPORT jclass JNICALL
-JNU_ClassThrowable(JNIEnv *env);
-
 /* Copy count number of arguments from src to dst. Array bounds
  * and ArrayStoreException are checked.
  */
@@ -246,36 +207,6 @@
                          const char *classname,
                          const char *name,
                          const char *sig);
-JNIEXPORT void JNICALL
-JNU_SetStaticFieldByName(JNIEnv *env,
-                         jboolean *hasException,
-                         const char *classname,
-                         const char *name,
-                         const char *sig,
-                         ...);
-
-
-/*
- * Calls the .equals method.
- */
-JNIEXPORT jboolean JNICALL
-JNU_Equals(JNIEnv *env, jobject object1, jobject object2);
-
-
-/************************************************************************
- * Thread calls
- *
- * Convenience thread-related calls on the java.lang.Object class.
- */
-
-JNIEXPORT void JNICALL
-JNU_MonitorWait(JNIEnv *env, jobject object, jlong timeout);
-
-JNIEXPORT void JNICALL
-JNU_Notify(JNIEnv *env, jobject object);
-
-JNIEXPORT void JNICALL
-JNU_NotifyAll(JNIEnv *env, jobject object);
 
 
 /************************************************************************
@@ -349,19 +280,15 @@
         }                                       \
     } while (0)
 #endif /* __cplusplus */
+
 /************************************************************************
  * Debugging utilities
  */
 
-JNIEXPORT void JNICALL
-JNU_PrintString(JNIEnv *env, char *hdr, jstring string);
-
-JNIEXPORT void JNICALL
-JNU_PrintClass(JNIEnv *env, char *hdr, jobject object);
-
 JNIEXPORT jstring JNICALL
 JNU_ToString(JNIEnv *env, jobject object);
 
+
 /*
  * Package shorthand for use by native libraries
  */
@@ -402,8 +329,6 @@
     FAST_UTF_8
 };
 
-int getFastEncoding();
-
 JNIEXPORT void InitializeEncoding(JNIEnv *env, const char *name);
 
 void* getProcessHandle();
--- a/src/java.base/share/native/libjava/verify_stub.c	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 1999, 2003, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * The real verifier now lives in libverifier.so/verifier.dll.
- *
- * This dummy exists so that HotSpot will run with the new
- * libjava.so/java.dll which is where is it accustomed to finding the
- * verifier.
- */
-
-#include "jni.h"
-
-struct struct_class_size_info;
-typedef struct struct_class_size_info class_size_info;
-
-
-JNIIMPORT jboolean
-VerifyClass(JNIEnv *env, jclass cb, char *buffer, jint len);
-
-JNIIMPORT jboolean
-VerifyClassForMajorVersion(JNIEnv *env, jclass cb, char *buffer, jint len,
-                           jint major_version);
-
-JNIEXPORT jboolean
-VerifyClassCodes(JNIEnv *env, jclass cb, char *buffer, jint len)
-{
-    return VerifyClass(env, cb, buffer, len);
-}
-
-JNIEXPORT jboolean
-VerifyClassCodesForMajorVersion(JNIEnv *env, jclass cb, char *buffer,
-                                jint len, jint major_version)
-{
-    return VerifyClassForMajorVersion(env, cb, buffer, len, major_version);
-}
--- a/src/java.base/share/native/libverify/check_code.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/native/libverify/check_code.c	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,9 +31,6 @@
    Exported function:
 
    jboolean
-   VerifyClass(JNIEnv *env, jclass cb, char *message_buffer,
-               jint buffer_length)
-   jboolean
    VerifyClassForMajorVersion(JNIEnv *env, jclass cb, char *message_buffer,
                               jint buffer_length, jint major_version)
 
@@ -910,20 +907,6 @@
     return result;
 }
 
-#define OLD_FORMAT_MAX_MAJOR_VERSION 48
-
-JNIEXPORT jboolean
-VerifyClass(JNIEnv *env, jclass cb, char *buffer, jint len)
-{
-    static int warned = 0;
-    if (!warned) {
-      jio_fprintf(stdout, "Warning! An old version of jvm is used. This is not supported.\n");
-      warned = 1;
-    }
-    return VerifyClassForMajorVersion(env, cb, buffer, len,
-                                      OLD_FORMAT_MAX_MAJOR_VERSION);
-}
-
 static void
 verify_field(context_type *context, jclass cb, int field_index)
 {
--- a/src/java.base/share/native/libverify/check_format.c	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,278 +0,0 @@
-/*
- * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include <assert.h>
-#include <limits.h>
-#include <setjmp.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "jni.h"
-#include "jvm.h"
-
-typedef unsigned short unicode;
-
-static char *
-skip_over_fieldname(char *name, jboolean slash_okay,
-                    unsigned int len);
-static char *
-skip_over_field_signature(char *name, jboolean void_okay,
-                          unsigned int len);
-
-/*
- * Return non-zero if the character is a valid in JVM class name, zero
- * otherwise.  The only characters currently disallowed from JVM class
- * names are given in the table below:
- *
- * Character    Hex     Decimal
- * '.'          0x2e    46
- * '/'          0x2f    47
- * ';'          0x3b    59
- * '['          0x5b    91
- *
- * (Method names have further restrictions dealing with the '<' and
- * '>' characters.)
- */
-static int isJvmIdentifier(unicode ch) {
-  if( ch > 91 || ch < 46 )
-    return 1;   /* Lowercase ASCII letters are > 91 */
-  else { /* 46 <= ch <= 91 */
-    if (ch <= 90 && ch >= 60) {
-      return 1; /* Uppercase ASCII recognized here */
-    } else { /* ch == 91 || 46 <= ch <= 59 */
-      if (ch == 91 || ch == 59 || ch <= 47)
-        return 0;
-      else
-        return 1;
-    }
-  }
-}
-
-static unicode
-next_utf2unicode(char **utfstring_ptr, int * valid)
-{
-    unsigned char *ptr = (unsigned char *)(*utfstring_ptr);
-    unsigned char ch, ch2, ch3;
-    int length = 1;             /* default length */
-    unicode result = 0x80;      /* default bad result; */
-    *valid = 1;
-    switch ((ch = ptr[0]) >> 4) {
-        default:
-            result = ch;
-            break;
-
-        case 0x8: case 0x9: case 0xA: case 0xB: case 0xF:
-            /* Shouldn't happen. */
-            *valid = 0;
-            break;
-
-        case 0xC: case 0xD:
-            /* 110xxxxx  10xxxxxx */
-            if (((ch2 = ptr[1]) & 0xC0) == 0x80) {
-                unsigned char high_five = ch & 0x1F;
-                unsigned char low_six = ch2 & 0x3F;
-                result = (high_five << 6) + low_six;
-                length = 2;
-            }
-            break;
-
-        case 0xE:
-            /* 1110xxxx 10xxxxxx 10xxxxxx */
-            if (((ch2 = ptr[1]) & 0xC0) == 0x80) {
-                if (((ch3 = ptr[2]) & 0xC0) == 0x80) {
-                    unsigned char high_four = ch & 0x0f;
-                    unsigned char mid_six = ch2 & 0x3f;
-                    unsigned char low_six = ch3 & 0x3f;
-                    result = (((high_four << 6) + mid_six) << 6) + low_six;
-                    length = 3;
-                } else {
-                    length = 2;
-                }
-            }
-            break;
-        } /* end of switch */
-
-    *utfstring_ptr = (char *)(ptr + length);
-    return result;
-}
-
-/* Take pointer to a string.  Skip over the longest part of the string that
- * could be taken as a fieldname.  Allow '/' if slash_okay is JNI_TRUE.
- *
- * Return a pointer to just past the fieldname.  Return NULL if no fieldname
- * at all was found, or in the case of slash_okay being true, we saw
- * consecutive slashes (meaning we were looking for a qualified path but
- * found something that was badly-formed).
- */
-static char *
-skip_over_fieldname(char *name, jboolean slash_okay,
-                    unsigned int length)
-{
-    char *p;
-    unicode ch;
-    unicode last_ch = 0;
-    int valid = 1;
-    /* last_ch == 0 implies we are looking at the first char. */
-    for (p = name; p != name + length; last_ch = ch) {
-        char *old_p = p;
-        ch = *p;
-        if (ch < 128) {
-            p++;
-            if (isJvmIdentifier(ch)) {
-                continue;
-            }
-        } else {
-            char *tmp_p = p;
-            ch = next_utf2unicode(&tmp_p, &valid);
-            if (valid == 0)
-              return 0;
-            p = tmp_p;
-            if (isJvmIdentifier(ch)) {
-                        continue;
-            }
-        }
-
-        if (slash_okay && ch == '/' && last_ch) {
-            if (last_ch == '/') {
-                return 0;       /* Don't permit consecutive slashes */
-            }
-        } else if (ch == '_' || ch == '$') {
-        } else {
-            return last_ch ? old_p : 0;
-        }
-    }
-    return last_ch ? p : 0;
-}
-
-/* Take pointer to a string.  Skip over the longest part of the string that
- * could be taken as a field signature.  Allow "void" if void_okay.
- *
- * Return a pointer to just past the signature.  Return NULL if no legal
- * signature is found.
- */
-
-static char *
-skip_over_field_signature(char *name, jboolean void_okay,
-                          unsigned int length)
-{
-    unsigned int array_dim = 0;
-    for (;length > 0;) {
-        switch (name[0]) {
-            case JVM_SIGNATURE_VOID:
-                if (!void_okay) return 0;
-                /* FALL THROUGH */
-            case JVM_SIGNATURE_BOOLEAN:
-            case JVM_SIGNATURE_BYTE:
-            case JVM_SIGNATURE_CHAR:
-            case JVM_SIGNATURE_SHORT:
-            case JVM_SIGNATURE_INT:
-            case JVM_SIGNATURE_FLOAT:
-            case JVM_SIGNATURE_LONG:
-            case JVM_SIGNATURE_DOUBLE:
-                return name + 1;
-
-            case JVM_SIGNATURE_CLASS: {
-                /* Skip over the classname, if one is there. */
-                char *p =
-                    skip_over_fieldname(name + 1, JNI_TRUE, --length);
-                /* The next character better be a semicolon. */
-                if (p && p - name - 1 > 0 && p[0] == ';')
-                    return p + 1;
-                return 0;
-            }
-
-            case JVM_SIGNATURE_ARRAY:
-                array_dim++;
-                /* JVMS 2nd ed. 4.10 */
-                /*   The number of dimensions in an array is limited to 255 ... */
-                if (array_dim > 255) {
-                    return 0;
-                }
-                /* The rest of what's there better be a legal signature.  */
-                name++;
-                length--;
-                void_okay = JNI_FALSE;
-                break;
-
-            default:
-                return 0;
-        }
-    }
-    return 0;
-}
-
-
-/* Used in java/lang/Class.c */
-/* Determine if the specified name is legal
- * UTF name for a classname.
- *
- * Note that this routine expects the internal form of qualified classes:
- * the dots should have been replaced by slashes.
- */
-JNIEXPORT jboolean
-VerifyClassname(char *name, jboolean allowArrayClass)
-{
-    size_t s = strlen(name);
-    assert(s <= UINT_MAX);
-    unsigned int length = (unsigned int)s;
-    char *p;
-
-    if (length > 0 && name[0] == JVM_SIGNATURE_ARRAY) {
-        if (!allowArrayClass) {
-            return JNI_FALSE;
-        } else {
-            /* Everything that's left better be a field signature */
-            p = skip_over_field_signature(name, JNI_FALSE, length);
-        }
-    } else {
-        /* skip over the fieldname.  Slashes are okay */
-        p = skip_over_fieldname(name, JNI_TRUE, length);
-    }
-    return (p != 0 && p - name == (ptrdiff_t)length);
-}
-
-/*
- * Translates '.' to '/'.  Returns JNI_TRUE is any / were present.
- */
-JNIEXPORT jboolean
-VerifyFixClassname(char *name)
-{
-    char *p = name;
-    jboolean slashesFound = JNI_FALSE;
-    int valid = 1;
-
-    while (valid != 0 && *p != '\0') {
-        if (*p == '/') {
-            slashesFound = JNI_TRUE;
-            p++;
-        } else if (*p == '.') {
-            *p++ = '/';
-        } else {
-            next_utf2unicode(&p, &valid);
-        }
-    }
-
-    return slashesFound && valid != 0;
-}
--- a/src/java.base/share/native/libzip/Deflater.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/share/native/libzip/Deflater.c	Wed Oct 16 15:31:05 2019 +0200
@@ -257,7 +257,7 @@
 
     res = doDeflate(env, addr, input, inputLen, output + outputOff, outputLen,
                     flush, params);
-    (*env)->ReleasePrimitiveArrayCritical(env, outputArray, input, 0);
+    (*env)->ReleasePrimitiveArrayCritical(env, outputArray, output, 0);
 
     retVal = checkDeflateStatus(env, addr, inputLen, outputLen, params, res);
     return retVal;
--- a/src/java.base/unix/native/libjava/jdk_util_md.c	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,36 +0,0 @@
-/*
- * Copyright (c) 2004, 2005, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include <dlfcn.h>
-#include "jdk_util.h"
-
-int JDK_InitJvmHandle() {
-    /* nop */
-    return 1;
-}
-
-void* JDK_FindJvmEntry(const char* name) {
-    return dlsym(RTLD_DEFAULT, name);
-}
--- a/src/java.base/unix/native/libnio/ch/Net.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/unix/native/libnio/ch/Net.c	Wed Oct 16 15:31:05 2019 +0200
@@ -66,34 +66,6 @@
   #endif
 #endif
 
-#if defined(_AIX)
-  #ifndef IP_BLOCK_SOURCE
-    #define IP_BLOCK_SOURCE                 58   /* Block data from a given source to a given group */
-    #define IP_UNBLOCK_SOURCE               59   /* Unblock data from a given source to a given group */
-    #define IP_ADD_SOURCE_MEMBERSHIP        60   /* Join a source-specific group */
-    #define IP_DROP_SOURCE_MEMBERSHIP       61   /* Leave a source-specific group */
-  #endif
-
-  #ifndef MCAST_BLOCK_SOURCE
-    #define MCAST_BLOCK_SOURCE              64
-    #define MCAST_UNBLOCK_SOURCE            65
-    #define MCAST_JOIN_SOURCE_GROUP         66
-    #define MCAST_LEAVE_SOURCE_GROUP        67
-
-    /* This means we're on AIX 5.3 and 'group_source_req' and 'ip_mreq_source' aren't defined as well */
-    struct group_source_req {
-        uint32_t gsr_interface;
-        struct sockaddr_storage gsr_group;
-        struct sockaddr_storage gsr_source;
-    };
-    struct ip_mreq_source {
-        struct in_addr  imr_multiaddr;  /* IP multicast address of group */
-        struct in_addr  imr_sourceaddr; /* IP address of source */
-        struct in_addr  imr_interface;  /* local IP address of interface */
-    };
-  #endif
-#endif /* _AIX */
-
 #define COPY_INET6_ADDRESS(env, source, target) \
     (*env)->GetByteArrayRegion(env, source, 0, 16, target)
 
--- a/src/java.base/windows/classes/java/lang/ProcessImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/windows/classes/java/lang/ProcessImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -38,6 +38,7 @@
 import java.security.AccessController;
 import java.security.PrivilegedAction;
 import java.util.ArrayList;
+import java.util.Locale;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.TimeUnit;
 import java.util.regex.Matcher;
@@ -46,6 +47,8 @@
 import jdk.internal.access.JavaIOFileDescriptorAccess;
 import jdk.internal.access.SharedSecrets;
 import jdk.internal.ref.CleanerFactory;
+import sun.security.action.GetBooleanAction;
+import sun.security.action.GetPropertyAction;
 
 /* This class is for the exclusive use of ProcessBuilder.start() to
  * create new processes.
@@ -209,12 +212,15 @@
 
     private static final int VERIFICATION_CMD_BAT = 0;
     private static final int VERIFICATION_WIN32 = 1;
-    private static final int VERIFICATION_LEGACY = 2;
+    private static final int VERIFICATION_WIN32_SAFE = 2; // inside quotes not allowed
+    private static final int VERIFICATION_LEGACY = 3;
+    // See Command shell overview for documentation of special characters.
+    // https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-xp/bb490954(v=technet.10)
     private static final char ESCAPE_VERIFICATION[][] = {
         // We guarantee the only command file execution for implicit [cmd.exe] run.
         //    http://technet.microsoft.com/en-us/library/bb490954.aspx
         {' ', '\t', '<', '>', '&', '|', '^'},
-
+        {' ', '\t', '<', '>'},
         {' ', '\t', '<', '>'},
         {' ', '\t'}
     };
@@ -231,8 +237,25 @@
             cmdbuf.append(' ');
             String s = cmd[i];
             if (needsEscaping(verificationType, s)) {
-                cmdbuf.append('"').append(s);
+                cmdbuf.append('"');
 
+                if (verificationType == VERIFICATION_WIN32_SAFE) {
+                    // Insert the argument, adding '\' to quote any interior quotes
+                    int length = s.length();
+                    for (int j = 0; j < length; j++) {
+                        char c = s.charAt(j);
+                        if (c == DOUBLEQUOTE) {
+                            int count = countLeadingBackslash(verificationType, s, j);
+                            while (count-- > 0) {
+                                cmdbuf.append(BACKSLASH);   // double the number of backslashes
+                            }
+                            cmdbuf.append(BACKSLASH);       // backslash to quote the quote
+                        }
+                        cmdbuf.append(c);
+                    }
+                } else {
+                    cmdbuf.append(s);
+                }
                 // The code protects the [java.exe] and console command line
                 // parser, that interprets the [\"] combination as an escape
                 // sequence for the ["] char.
@@ -245,8 +268,9 @@
                 // command line parser. The case of the [""] tail escape
                 // sequence could not be realized due to the argument validation
                 // procedure.
-                if ((verificationType != VERIFICATION_CMD_BAT) && s.endsWith("\\")) {
-                    cmdbuf.append('\\');
+                int count = countLeadingBackslash(verificationType, s, s.length());
+                while (count-- > 0) {
+                    cmdbuf.append(BACKSLASH);   // double the number of backslashes
                 }
                 cmdbuf.append('"');
             } else {
@@ -256,26 +280,16 @@
         return cmdbuf.toString();
     }
 
-    private static boolean isQuoted(boolean noQuotesInside, String arg,
-            String errorMessage) {
-        int lastPos = arg.length() - 1;
-        if (lastPos >=1 && arg.charAt(0) == '"' && arg.charAt(lastPos) == '"') {
-            // The argument has already been quoted.
-            if (noQuotesInside) {
-                if (arg.indexOf('"', 1) != lastPos) {
-                    // There is ["] inside.
-                    throw new IllegalArgumentException(errorMessage);
-                }
-            }
-            return true;
-        }
-        if (noQuotesInside) {
-            if (arg.indexOf('"') >= 0) {
-                // There is ["] inside.
-                throw new IllegalArgumentException(errorMessage);
-            }
-        }
-        return false;
+    /**
+     * Return the argument without quotes (1st and last) if present, else the arg.
+     * @param str a string
+     * @return the string without 1st and last quotes
+     */
+    private static String unQuote(String str) {
+        int len = str.length();
+        return (len >= 2 && str.charAt(0) == DOUBLEQUOTE && str.charAt(len - 1) == DOUBLEQUOTE)
+                ? str.substring(1, len - 1)
+                : str;
     }
 
     private static boolean needsEscaping(int verificationType, String arg) {
@@ -286,9 +300,26 @@
 
         // For [.exe] or [.com] file the unpaired/internal ["]
         // in the argument is not a problem.
-        boolean argIsQuoted = isQuoted(
-            (verificationType == VERIFICATION_CMD_BAT),
-            arg, "Argument has embedded quote, use the explicit CMD.EXE call.");
+        String unquotedArg = unQuote(arg);
+        boolean argIsQuoted = !arg.equals(unquotedArg);
+        boolean embeddedQuote = unquotedArg.indexOf(DOUBLEQUOTE) >= 0;
+
+        switch (verificationType) {
+            case VERIFICATION_CMD_BAT:
+                if (embeddedQuote) {
+                    throw new IllegalArgumentException("Argument has embedded quote, " +
+                            "use the explicit CMD.EXE call.");
+                }
+                break;  // break determine whether to quote
+            case VERIFICATION_WIN32_SAFE:
+                if (argIsQuoted && embeddedQuote)  {
+                    throw new IllegalArgumentException("Malformed argument has embedded quote: "
+                            + unquotedArg);
+                }
+                break;
+            default:
+                break;
+        }
 
         if (!argIsQuoted) {
             char testEscape[] = ESCAPE_VERIFICATION[verificationType];
@@ -304,13 +335,13 @@
     private static String getExecutablePath(String path)
         throws IOException
     {
-        boolean pathIsQuoted = isQuoted(true, path,
-                "Executable name has embedded quote, split the arguments");
-
+        String name = unQuote(path);
+        if (name.indexOf(DOUBLEQUOTE) >= 0) {
+            throw new IllegalArgumentException("Executable name has embedded quote, " +
+                    "split the arguments: " + name);
+        }
         // Win32 CreateProcess requires path to be normalized
-        File fileToRun = new File(pathIsQuoted
-            ? path.substring(1, path.length() - 1)
-            : path);
+        File fileToRun = new File(name);
 
         // From the [CreateProcess] function documentation:
         //
@@ -325,13 +356,26 @@
         // sequence:..."
         //
         // In practice ANY non-existent path is extended by [.exe] extension
-        // in the [CreateProcess] funcion with the only exception:
+        // in the [CreateProcess] function with the only exception:
         // the path ends by (.)
 
         return fileToRun.getPath();
     }
 
+    /**
+     * An executable is any program that is an EXE or does not have an extension
+     * and the Windows createProcess will be looking for .exe.
+     * The comparison is case insensitive based on the name.
+     * @param executablePath the executable file
+     * @return true if the path ends in .exe or does not have an extension.
+     */
+    private boolean isExe(String executablePath) {
+        File file = new File(executablePath);
+        String upName = file.getName().toUpperCase(Locale.ROOT);
+        return (upName.endsWith(".EXE") || upName.indexOf('.') < 0);
+    }
 
+    // Old version that can be bypassed
     private boolean isShellFile(String executablePath) {
         String upPath = executablePath.toUpperCase();
         return (upPath.endsWith(".CMD") || upPath.endsWith(".BAT"));
@@ -342,6 +386,21 @@
         return argbuf.append('"').append(arg).append('"').toString();
     }
 
+    // Count backslashes before start index of string.
+    // .bat files don't include backslashes as part of the quote
+    private static int countLeadingBackslash(int verificationType,
+                                             CharSequence input, int start) {
+        if (verificationType == VERIFICATION_CMD_BAT)
+            return 0;
+        int j;
+        for (j = start - 1; j >= 0 && input.charAt(j) == BACKSLASH; j--) {
+            // just scanning backwards
+        }
+        return (start - 1) - j;  // number of BACKSLASHES
+    }
+
+    private static final char DOUBLEQUOTE = '\"';
+    private static final char BACKSLASH = '\\';
 
     private final long handle;
     private final ProcessHandle processHandle;
@@ -358,15 +417,13 @@
         throws IOException
     {
         String cmdstr;
-        SecurityManager security = System.getSecurityManager();
-        boolean allowAmbiguousCommands = false;
-        if (security == null) {
-            allowAmbiguousCommands = true;
-            String value = System.getProperty("jdk.lang.Process.allowAmbiguousCommands");
-            if (value != null)
-                allowAmbiguousCommands = !"false".equalsIgnoreCase(value);
-        }
-        if (allowAmbiguousCommands) {
+        final SecurityManager security = System.getSecurityManager();
+        final String value = GetPropertyAction.
+                privilegedGetProperty("jdk.lang.Process.allowAmbiguousCommands",
+                        (security == null ? "true" : "false"));
+        final boolean allowAmbiguousCommands = !"false".equalsIgnoreCase(value);
+
+        if (allowAmbiguousCommands && security == null) {
             // Legacy mode.
 
             // Normalize path if possible.
@@ -413,11 +470,12 @@
             // Quotation protects from interpretation of the [path] argument as
             // start of longer path with spaces. Quotation has no influence to
             // [.exe] extension heuristic.
+            boolean isShell = allowAmbiguousCommands ? isShellFile(executablePath)
+                    : !isExe(executablePath);
             cmdstr = createCommandLine(
-                    // We need the extended verification procedure for CMD files.
-                    isShellFile(executablePath)
-                        ? VERIFICATION_CMD_BAT
-                        : VERIFICATION_WIN32,
+                    // We need the extended verification procedures
+                    isShell ? VERIFICATION_CMD_BAT
+                            : (allowAmbiguousCommands ? VERIFICATION_WIN32 : VERIFICATION_WIN32_SAFE),
                     quoteString(executablePath),
                     cmd);
         }
--- a/src/java.base/windows/native/libjava/jdk_util_md.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.base/windows/native/libjava/jdk_util_md.c	Wed Oct 16 15:31:05 2019 +0200
@@ -28,17 +28,6 @@
 
 #define JVM_DLL "jvm.dll"
 
-static HMODULE jvm_handle = NULL;
-
-int JDK_InitJvmHandle() {
-    jvm_handle = GetModuleHandle(JVM_DLL);
-    return (jvm_handle != NULL);
-}
-
-void* JDK_FindJvmEntry(const char* name) {
-    return (void*) GetProcAddress(jvm_handle, name);
-}
-
 JNIEXPORT HMODULE JDK_LoadSystemLibrary(const char* name) {
     HMODULE handle = NULL;
     char path[MAX_PATH];
--- a/src/java.datatransfer/share/classes/java/awt/datatransfer/MimeType.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.datatransfer/share/classes/java/awt/datatransfer/MimeType.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -346,9 +346,9 @@
         return newObj;
     }
 
-    private String    primaryType;
-    private String    subType;
-    private MimeTypeParameterList parameters;
+    private transient String    primaryType;
+    private transient String    subType;
+    private transient MimeTypeParameterList parameters;
 
     //    below here be scary parsing related things
 
--- a/src/java.desktop/macosx/classes/sun/awt/CGraphicsDevice.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/macosx/classes/sun/awt/CGraphicsDevice.java	Wed Oct 16 15:31:05 2019 +0200
@@ -61,6 +61,10 @@
     public CGraphicsDevice(final int displayID) {
         this.displayID = displayID;
         config = CGLGraphicsConfig.getConfig(this, displayID, 0);
+        // initializes default device state, might be redundant step since we
+        // call "displayChanged()" later anyway, but we do not want to leave the
+        // device in an inconsistent state after construction
+        displayChanged();
     }
 
     /**
--- a/src/java.desktop/macosx/classes/sun/java2d/opengl/CGLSurfaceData.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/macosx/classes/sun/java2d/opengl/CGLSurfaceData.java	Wed Oct 16 15:31:05 2019 +0200
@@ -25,7 +25,6 @@
 
 package sun.java2d.opengl;
 
-import java.awt.Graphics;
 import java.awt.GraphicsConfiguration;
 import java.awt.GraphicsDevice;
 import java.awt.GraphicsEnvironment;
@@ -33,9 +32,7 @@
 import java.awt.Rectangle;
 import java.awt.image.ColorModel;
 
-import sun.java2d.SunGraphics2D;
 import sun.java2d.SurfaceData;
-
 import sun.lwawt.macosx.CPlatformView;
 
 public abstract class CGLSurfaceData extends OGLSurfaceData {
@@ -342,43 +339,4 @@
             return offscreenImage;
         }
     }
-
-    // Mac OS X specific APIs for JOGL/Java2D bridge...
-
-    // given a surface create and attach GL context, then return it
-    private static native long createCGLContextOnSurface(CGLSurfaceData sd,
-            long sharedContext);
-
-    public static long createOGLContextOnSurface(Graphics g, long sharedContext) {
-        SurfaceData sd = ((SunGraphics2D) g).surfaceData;
-        if ((sd instanceof CGLSurfaceData) == true) {
-            CGLSurfaceData cglsd = (CGLSurfaceData) sd;
-            return createCGLContextOnSurface(cglsd, sharedContext);
-        } else {
-            return 0L;
-        }
-    }
-
-    // returns whether or not the makeCurrent operation succeeded
-    static native boolean makeCGLContextCurrentOnSurface(CGLSurfaceData sd,
-            long ctx);
-
-    public static boolean makeOGLContextCurrentOnSurface(Graphics g, long ctx) {
-        SurfaceData sd = ((SunGraphics2D) g).surfaceData;
-        if ((ctx != 0L) && ((sd instanceof CGLSurfaceData) == true)) {
-            CGLSurfaceData cglsd = (CGLSurfaceData) sd;
-            return makeCGLContextCurrentOnSurface(cglsd, ctx);
-        } else {
-            return false;
-        }
-    }
-
-    // additional cleanup
-    private static native void destroyCGLContext(long ctx);
-
-    public static void destroyOGLContext(long ctx) {
-        if (ctx != 0L) {
-            destroyCGLContext(ctx);
-        }
-    }
 }
--- a/src/java.desktop/macosx/classes/sun/lwawt/macosx/LWCToolkit.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/macosx/classes/sun/lwawt/macosx/LWCToolkit.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -444,6 +444,7 @@
         fontHints.put(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
         desktopProperties.put(SunToolkit.DESKTOPFONTHINTS, fontHints);
         desktopProperties.put("awt.mouse.numButtons", BUTTONS);
+        desktopProperties.put("awt.multiClickInterval", getMultiClickTime());
 
         // These DnD properties must be set, otherwise Swing ends up spewing NPEs
         // all over the place. The values came straight off of MToolkit.
@@ -538,6 +539,11 @@
         return BUTTONS;
     }
 
+    /**
+     * Returns the double-click time interval in ms.
+     */
+    private static native int getMultiClickTime();
+
     @Override
     public boolean isTraySupported() {
         return true;
--- a/src/java.desktop/macosx/native/libawt_lwawt/awt/LWCToolkit.m	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/macosx/native/libawt_lwawt/awt/LWCToolkit.m	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -831,3 +831,19 @@
     }
     return JNI_FALSE;
 }
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    getMultiClickTime
+ * Signature: ()I
+ */
+JNIEXPORT jint JNICALL
+Java_sun_lwawt_macosx_LWCToolkit_getMultiClickTime(JNIEnv *env, jclass klass) {
+    __block jint multiClickTime = 0;
+    JNF_COCOA_ENTER(env);
+    [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
+        multiClickTime = (jint)([NSEvent doubleClickInterval] * 1000);
+    }];
+    JNF_COCOA_EXIT(env);
+    return multiClickTime;
+}
--- a/src/java.desktop/macosx/native/libawt_lwawt/java2d/opengl/CGLGraphicsConfig.m	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/macosx/native/libawt_lwawt/java2d/opengl/CGLGraphicsConfig.m	Wed Oct 16 15:31:05 2019 +0200
@@ -152,7 +152,6 @@
     AWT_ASSERT_APPKIT_THREAD;
 
     jint displayID = (jint)[(NSNumber *)[argValue objectAtIndex: 0] intValue];
-    jint pixfmt = (jint)[(NSNumber *)[argValue objectAtIndex: 1] intValue];
     jint swapInterval = (jint)[(NSNumber *)[argValue objectAtIndex: 2] intValue];
     JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
     [argValue removeAllObjects];
@@ -161,11 +160,7 @@
 
     NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
 
-    CGOpenGLDisplayMask glMask = (CGOpenGLDisplayMask)pixfmt;
     if (sharedContext == NULL) {
-        if (glMask == 0) {
-            glMask = CGDisplayIDToOpenGLDisplayMask(displayID);
-        }
 
         NSOpenGLPixelFormatAttribute attrs[] = {
             NSOpenGLPFAAllowOfflineRenderers,
@@ -176,16 +171,17 @@
             NSOpenGLPFAColorSize, 32,
             NSOpenGLPFAAlphaSize, 8,
             NSOpenGLPFADepthSize, 16,
-            NSOpenGLPFAScreenMask, glMask,
             0
         };
 
         sharedPixelFormat =
             [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs];
         if (sharedPixelFormat == nil) {
-            J2dRlsTraceLn(J2D_TRACE_ERROR, "CGLGraphicsConfig_getCGLConfigInfo: shared NSOpenGLPixelFormat is NULL");
-            [argValue addObject: [NSNumber numberWithLong: 0L]];
-            return;
+            J2dRlsTraceLn(J2D_TRACE_ERROR, 
+                          "CGLGraphicsConfig_getCGLConfigInfo: shared NSOpenGLPixelFormat is NULL");
+                
+           [argValue addObject: [NSNumber numberWithLong: 0L]];
+           return;
         }
 
         sharedContext =
--- a/src/java.desktop/share/classes/java/awt/Font.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/java/awt/Font.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1929,6 +1929,7 @@
         // value is the default.
 
         if (fRequestedAttributes != null) {
+            try {
             values = getAttributeValues(); // init
             AttributeValues extras =
                 AttributeValues.fromSerializableHashtable(fRequestedAttributes);
@@ -1938,10 +1939,13 @@
             values = getAttributeValues().merge(extras);
             this.nonIdentityTx = values.anyNonDefault(EXTRA_MASK);
             this.hasLayoutAttributes =  values.anyNonDefault(LAYOUT_MASK);
-
+            } catch (Throwable t) {
+                throw new IOException(t);
+            } finally {
             fRequestedAttributes = null; // don't need it any more
         }
     }
+    }
 
     /**
      * Returns the number of glyphs in this {@code Font}. Glyph codes
--- a/src/java.desktop/share/classes/java/awt/doc-files/AWTThreadIssues.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/java/awt/doc-files/AWTThreadIssues.html	Wed Oct 16 15:31:05 2019 +0200
@@ -5,7 +5,7 @@
   <title>AWT Threading Issues</title>
 </head>
 <!--
- Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
  This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>AWT Threading Issues</h1>
 
 <a id="ListenersThreads"></a>
@@ -192,6 +193,7 @@
 <cite>The Java&trade; Virtual Machine Specification</cite>
  guarantees
 that the JVM doesn't exit until this thread terminates.
+</div>
 </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/java/awt/doc-files/DesktopProperties.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/java/awt/doc-files/DesktopProperties.html	Wed Oct 16 15:31:05 2019 +0200
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>AWT Desktop Properties</h1>
 
 The following refers to standard AWT desktop properties that
@@ -277,6 +278,7 @@
 This property should be used when there is no need in listening mouse events fired as a result of
 activity with extra mouse button.
 By default this property is set to {@code true}.
+</div>
 </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/java/awt/doc-files/FocusSpec.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/java/awt/doc-files/FocusSpec.html	Wed Oct 16 15:31:05 2019 +0200
@@ -5,7 +5,7 @@
   <title>The AWT Focus Subsystem</title>
 </head>
 <!--
- Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
  This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@
 
     <body>
     <main role="main">
+    <div class="contentContainer">
       <h1>The AWT Focus Subsystem</h1>
 
     <p>
@@ -1362,6 +1363,7 @@
           change requests in all cases. Previously, requests were granted
           for heavyweights, but denied for lightweights.
     </ol>
+  </div>
   </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/java/awt/doc-files/Modality.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/java/awt/doc-files/Modality.html	Wed Oct 16 15:31:05 2019 +0200
@@ -35,6 +35,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
     <h1>The AWT Modality</h1>
 
     <p>
@@ -440,5 +441,6 @@
         <img src="modal-example4.gif" alt="Example 4">
     </p>
     <br style="clear:both;">
+</div>
 </main>
 </body></html>
--- a/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/bmp_metadata.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/bmp_metadata.html	Wed Oct 16 15:31:05 2019 +0200
@@ -5,7 +5,7 @@
   <title>BMP Metadata Format Specification</title>
 </head>
 <!--
-Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
 This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>BMP Metadata Format Specification</h1>
 
 The XML schema for the native image metadata format is as follows:
@@ -161,5 +162,6 @@
 </pre>
 
 @since 1.5
+</div>
 </main>
 </body>
--- a/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/gif_metadata.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/gif_metadata.html	Wed Oct 16 15:31:05 2019 +0200
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>GIF Metadata Format Specification</h1>
 <a id="gif_stream_metadata_format"></a>
 <h2>GIF Stream Metadata Format Specification</h2>
@@ -462,6 +463,7 @@
 </tr>
 </tbody>
 </table>
+</div>
 </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/jpeg_metadata.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/jpeg_metadata.html	Wed Oct 16 15:31:05 2019 +0200
@@ -5,7 +5,7 @@
   <title>JPEG Metadata Format Specification and Usage Notes</title>
 </head>
 <!--
-Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
 This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>JPEG Metadata Format Specification and Usage Notes</h1>
 
 <p>
@@ -1159,6 +1160,7 @@
   &lt;!-- All elements are as defined above for image metadata --&gt;
 ]&gt;
 </pre>
+</div>
 </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/png_metadata.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/png_metadata.html	Wed Oct 16 15:31:05 2019 +0200
@@ -5,7 +5,7 @@
   <title>PNG Metadata Format Specification</title>
 </head>
 <!--
-Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
 This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>PNG Metadata Format Specification</h1>
 
 <p>
@@ -561,6 +562,7 @@
           &lt;!-- Data type: String --&gt;
 ]&gt;
 </pre>
+</div>
 </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/standard_metadata.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/standard_metadata.html	Wed Oct 16 15:31:05 2019 +0200
@@ -5,7 +5,7 @@
   <title>Standard Metadata Format Specification</title>
 </head>
 <!--
-Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
 This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>Standard (Plug-in Neutral) Metadata Format Specification</h1>
 
 <p> The plug-in neutral "javax_imageio_1.0" format consists
@@ -394,6 +395,7 @@
             &lt;!-- Data type: Integer --&gt;
 ]&gt;
 </pre>
+</div>
 </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/tiff_metadata.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/tiff_metadata.html	Wed Oct 16 15:31:05 2019 +0200
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>TIFF Metadata Format Specification and Usage Notes</h1>
 
 <a href="#Reading">Reading Images</a>
@@ -1235,6 +1236,7 @@
 </pre>
 
 @since 9
+</div>
 </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/wbmp_metadata.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/imageio/metadata/doc-files/wbmp_metadata.html	Wed Oct 16 15:31:05 2019 +0200
@@ -5,7 +5,7 @@
   <title>WBMP Metadata Format Specification</title>
 </head>
 <!--
-Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
 This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>WBMP Metadata Format Specification</h1>
 
 The XML schema for the native image metadata format is as follows:
@@ -63,5 +64,6 @@
 </pre>
 
 @since 1.5
+</div>
 </main>
 </body>
--- a/src/java.desktop/share/classes/javax/swing/plaf/multi/doc-files/multi_tsc.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/swing/plaf/multi/doc-files/multi_tsc.html	Wed Oct 16 15:31:05 2019 +0200
@@ -5,7 +5,7 @@
   <title>Using the Multiplexing Look and Feel</title>
 </head>
 <!--
- Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
+ Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
  This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>Using the Multiplexing Look and Feel</h1>
 
 <blockquote>
@@ -495,6 +496,7 @@
 of auxiliary look and feels will most likely have developed and
 tested against our Multiplexing look and feel.
 </p>
+</div>
 </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/javax/swing/plaf/nimbus/doc-files/properties.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/swing/plaf/nimbus/doc-files/properties.html	Wed Oct 16 15:31:05 2019 +0200
@@ -31,6 +31,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>Colors Used in Nimbus Look and Feel</h1>
 <h2 id="primaryColors">Primary Colors</h2>
 <table>
@@ -236,6 +237,7 @@
 </tr>
 </tbody>
 </table>
+</div>
 </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/javax/swing/plaf/synth/doc-files/componentProperties.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/swing/plaf/synth/doc-files/componentProperties.html	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 
 <body>
 <main role="main">
+<div class="contentContainer">
 <h1>Component Specific Properties</h1>
 <p> The look, and to some degree the feel of Synth
   can be customized by way of component specific properties.
@@ -1345,6 +1346,7 @@
 <p><code>Prefix</code> is one of: EditorPane, FormattedTextField,
 PasswordField, TextArea, TextField or TextPane.<br>
 </p>
+</div>
 </main>
 </body>
 </html>
--- a/src/java.desktop/share/classes/javax/swing/plaf/synth/doc-files/synthFileFormat.html	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/javax/swing/plaf/synth/doc-files/synthFileFormat.html	Wed Oct 16 15:31:05 2019 +0200
@@ -46,6 +46,7 @@
 
   <body>
   <main role="main">
+  <div class="contentContainer">
     <h1><a id="file">File Format</a></h1>
     <p>
       Synth's file format (<a href="synth.dtd">dtd</a>)
@@ -1030,6 +1031,7 @@
 &lt;/synth>
       </pre>
     </div>
+  </div>
   </main>
   </body>
 </html>
--- a/src/java.desktop/share/classes/sun/font/CMap.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/sun/font/CMap.java	Wed Oct 16 15:31:05 2019 +0200
@@ -130,7 +130,7 @@
 
     static final char noSuchChar = (char)0xfffd;
     static final int SHORTMASK = 0x0000ffff;
-    static final int INTMASK   = 0xffffffff;
+    static final int INTMASK   = 0x7fffffff;
 
     static final char[][] converterMaps = new char[7][];
 
@@ -919,7 +919,11 @@
 
              bbuffer.position(12);
              bbuffer.get(is32);
-             nGroups = bbuffer.getInt();
+             nGroups = bbuffer.getInt() & INTMASK;
+             // A map group record is three uint32's making for 12 bytes total
+             if (bbuffer.remaining() < (12 * (long)nGroups)) {
+                 throw new RuntimeException("Format 8 table exceeded");
+             }
              startCharCode = new int[nGroups];
              endCharCode   = new int[nGroups];
              startGlyphID  = new int[nGroups];
@@ -947,9 +951,13 @@
 
          CMapFormat10(ByteBuffer bbuffer, int offset, char[] xlat) {
 
+             bbuffer.position(offset+12);
              firstCode = bbuffer.getInt() & INTMASK;
              entryCount = bbuffer.getInt() & INTMASK;
-             bbuffer.position(offset+20);
+             // each glyph is a uint16, so 2 bytes per value.
+             if (bbuffer.remaining() < (2 * (long)entryCount)) {
+                 throw new RuntimeException("Format 10 table exceeded");
+             }
              CharBuffer buffer = bbuffer.asCharBuffer();
              glyphIdArray = new char[entryCount];
              for (int i=0; i< entryCount; i++) {
@@ -989,11 +997,15 @@
                 throw new RuntimeException("xlat array for cmap fmt=12");
             }
 
-            numGroups = buffer.getInt(offset+12);
+            buffer.position(offset+12);
+            numGroups = buffer.getInt() & INTMASK;
+            // A map group record is three uint32's making for 12 bytes total
+            if (buffer.remaining() < (12 * (long)numGroups)) {
+                throw new RuntimeException("Format 12 table exceeded");
+            }
             startCharCode = new long[numGroups];
             endCharCode = new long[numGroups];
             startGlyphID = new int[numGroups];
-            buffer.position(offset+16);
             buffer = buffer.slice();
             IntBuffer ibuffer = buffer.asIntBuffer();
             for (int i=0; i<numGroups; i++) {
@@ -1110,7 +1122,13 @@
         char[][] glyphID;
 
         UVS(ByteBuffer buffer, int offset) {
-            numSelectors = buffer.getInt(offset+6);
+            buffer.position(offset+6);
+            numSelectors = buffer.getInt() & INTMASK;
+            // A variation selector record is one 3 byte int + two int32's
+            // making for 11 bytes per record.
+            if (buffer.remaining() < (11 * (long)numSelectors)) {
+                throw new RuntimeException("Variations exceed buffer");
+            }
             selector = new int[numSelectors];
             numUVSMapping = new int[numSelectors];
             unicodeValue = new int[numSelectors][];
@@ -1131,6 +1149,11 @@
                 } else if (tableOffset > 0) {
                     buffer.position(offset+tableOffset);
                     numUVSMapping[i] = buffer.getInt() & INTMASK;
+                    // a UVS mapping record is one 3 byte int + uint16
+                    // making for 5 bytes per record.
+                    if (buffer.remaining() < (5 * (long)numUVSMapping[i])) {
+                        throw new RuntimeException("Variations exceed buffer");
+                    }
                     unicodeValue[i] = new int[numUVSMapping[i]];
                     glyphID[i] = new char[numUVSMapping[i]];
 
--- a/src/java.desktop/share/classes/sun/font/FileFont.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/sun/font/FileFont.java	Wed Oct 16 15:31:05 2019 +0200
@@ -172,7 +172,7 @@
             }
         }
         if (scaler != null) {
-            scaler.dispose();
+            scaler.disposeScaler();
         }
         scaler = FontScaler.getNullScaler();
     }
--- a/src/java.desktop/share/classes/sun/font/FontScaler.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/sun/font/FontScaler.java	Wed Oct 16 15:31:05 2019 +0200
@@ -173,6 +173,12 @@
              scaler context objects! */
     public void dispose() {}
 
+    /**
+     * Used when the native resources held by the scaler need
+     * to be released before the 2D disposer runs.
+     */
+    public void disposeScaler() {}
+
     /* At the moment these 3 methods are needed for Type1 fonts only.
      * For Truetype fonts we extract required info outside of scaler
      * on java layer.
--- a/src/java.desktop/share/classes/sun/font/FreetypeFontScaler.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/sun/font/FreetypeFontScaler.java	Wed Oct 16 15:31:05 2019 +0200
@@ -163,6 +163,9 @@
             .getNullScaler().getGlyphVectorOutline(0L, glyphs, numGlyphs, x, y);
     }
 
+    /* This method should not be called directly, in case
+     * it is being invoked from a thread with a native context.
+     */
     public synchronized void dispose() {
         if (nativeScaler != 0L) {
             disposeNativeScaler(font.get(), nativeScaler);
@@ -170,6 +173,21 @@
         }
     }
 
+    public synchronized void disposeScaler() {
+        if (nativeScaler != 0L) {
+           /*
+            * The current thread may be calling this method from the context
+            * of a JNI up-call. It will hold the native lock from the
+            * original down-call so can directly enter dispose and free
+            * the resources. So we need to schedule the disposal to happen
+            * only once we've returned from native. So by running the dispose
+            * on another thread which does nothing except that disposal we
+            * are sure that this is safe.
+            */
+            new Thread(null, () -> dispose(), "free scaler", 0, false).start();
+        }
+    }
+
     synchronized int getNumGlyphs() throws FontScalerException {
         if (nativeScaler != 0L) {
             return getNumGlyphsNative(nativeScaler);
@@ -206,7 +224,7 @@
         return getUnitsPerEMNative(nativeScaler);
     }
 
-    long createScalerContext(double[] matrix,
+    synchronized long createScalerContext(double[] matrix,
             int aa, int fm, float boldness, float italic,
             boolean disableHinting) {
         if (nativeScaler != 0L) {
@@ -236,7 +254,7 @@
     private native GeneralPath getGlyphVectorOutlineNative(Font2D font,
             long pScalerContext, long pScaler,
             int[] glyphs, int numGlyphs, float x, float y);
-    native Point2D.Float getGlyphPointNative(Font2D font,
+    private native Point2D.Float getGlyphPointNative(Font2D font,
             long pScalerContext, long pScaler, int glyphCode, int ptNumber);
 
     private native void disposeNativeScaler(Font2D font2D, long pScaler);
@@ -247,7 +265,7 @@
 
     private native long getUnitsPerEMNative(long pScaler);
 
-    native long createScalerContextNative(long pScaler, double[] matrix,
+    private native long createScalerContextNative(long pScaler, double[] matrix,
             int aa, int fm, float boldness, float italic);
 
     /* Freetype scaler context does not contain any pointers that
--- a/src/java.desktop/share/classes/sun/font/GlyphList.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/sun/font/GlyphList.java	Wed Oct 16 15:31:05 2019 +0200
@@ -303,6 +303,14 @@
      */
     public void setGlyphIndex(int i) {
         glyphindex = i;
+        if (images[i] == 0L) {
+           metrics[0] = (int)gposx;
+           metrics[1] = (int)gposy;
+           metrics[2] = 0;
+           metrics[3] = 0;
+           metrics[4] = 0;
+           return;
+        }
         float gx =
             StrikeCache.unsafe.getFloat(images[i]+StrikeCache.topLeftXOffset);
         float gy =
@@ -341,6 +349,9 @@
                 graybits = new byte[len];
             }
         }
+        if (images[glyphindex] == 0L) {
+            return graybits;
+        }
         long pixelDataAddress =
             StrikeCache.unsafe.getAddress(images[glyphindex] +
                                           StrikeCache.pixelDataOffset);
@@ -448,6 +459,9 @@
         char gw, gh;
         float gx, gy, gx0, gy0, gx1, gy1;
         for (int i=0; i<len; i++) {
+            if (images[i] == 0L) {
+                continue;
+            }
             gx = StrikeCache.unsafe.getFloat(images[i]+xOffset);
             gy = StrikeCache.unsafe.getFloat(images[i]+yOffset);
             gw = StrikeCache.unsafe.getChar(images[i]+wOffset);
--- a/src/java.desktop/share/classes/sun/java2d/SunGraphics2D.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/classes/sun/java2d/SunGraphics2D.java	Wed Oct 16 15:31:05 2019 +0200
@@ -3021,7 +3021,8 @@
         if (data == null) {
             throw new NullPointerException("char data is null");
         }
-        if (offset < 0 || length < 0 || offset + length > data.length) {
+        if (offset < 0 || length < 0 || offset + length < length ||
+            offset + length > data.length) {
             throw new ArrayIndexOutOfBoundsException("bad offset/length");
         }
         if (font.hasLayoutAttributes()) {
@@ -3053,7 +3054,8 @@
         if (data == null) {
             throw new NullPointerException("byte data is null");
         }
-        if (offset < 0 || length < 0 || offset + length > data.length) {
+        if (offset < 0 || length < 0 || offset + length < length ||
+            offset + length > data.length) {
             throw new ArrayIndexOutOfBoundsException("bad offset/length");
         }
         /* Byte data is interpreted as 8-bit ASCII. Re-use drawChars loops */
--- a/src/java.desktop/share/native/common/java2d/opengl/OGLBlitLoops.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/native/common/java2d/opengl/OGLBlitLoops.c	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -208,21 +208,22 @@
 
     j2d_glPixelZoom(scalex, -scaley);
 
+    GLvoid *pSrc = PtrCoord(srcInfo->rasBase, sx1, srcInfo->pixelStride,
+                                              sy1, srcInfo->scanStride);
+
     // in case pixel stride is not a multiple of scanline stride the copy
     // has to be done line by line (see 6207877)
     if (srcInfo->scanStride % srcInfo->pixelStride != 0) {
         jint width = sx2-sx1;
         jint height = sy2-sy1;
-        GLvoid *pSrc = srcInfo->rasBase;
-
         while (height > 0) {
             j2d_glDrawPixels(width, 1, pf->format, pf->type, pSrc);
-            j2d_glBitmap(0, 0, 0, 0, (GLfloat)0, (GLfloat)-1, NULL);
+            j2d_glBitmap(0, 0, 0, 0, (GLfloat)0, (GLfloat)-scaley, NULL);
             pSrc = PtrAddBytes(pSrc, srcInfo->scanStride);
             height--;
         }
     } else {
-        j2d_glDrawPixels(sx2-sx1, sy2-sy1, pf->format, pf->type, srcInfo->rasBase);
+        j2d_glDrawPixels(sx2-sx1, sy2-sy1, pf->format, pf->type, pSrc);
     }
 
     j2d_glPixelZoom(1.0, 1.0);
@@ -317,12 +318,11 @@
             ty2 = ((GLdouble)sh) / th;
 
             if (swsurface) {
+                GLvoid *pSrc = PtrCoord(srcInfo->rasBase,
+                                        sx, srcInfo->pixelStride,
+                                        sy, srcInfo->scanStride);
                 if (slowPath) {
                     jint tmph = sh;
-                    GLvoid *pSrc = PtrCoord(srcInfo->rasBase,
-                                            sx, srcInfo->pixelStride,
-                                            sy, srcInfo->scanStride);
-
                     while (tmph > 0) {
                         j2d_glTexSubImage2D(GL_TEXTURE_2D, 0,
                                             0, sh - tmph, sw, 1,
@@ -332,16 +332,10 @@
                         tmph--;
                     }
                 } else {
-                    j2d_glPixelStorei(GL_UNPACK_SKIP_PIXELS, sx);
-                    j2d_glPixelStorei(GL_UNPACK_SKIP_ROWS, sy);
-
                     j2d_glTexSubImage2D(GL_TEXTURE_2D, 0,
                                         0, 0, sw, sh,
                                         pf->format, pf->type,
-                                        srcInfo->rasBase);
-
-                    j2d_glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
-                    j2d_glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
+                                        pSrc);
                 }
 
                 // the texture image is "right side up", so we align the
@@ -638,8 +632,9 @@
             J2dTraceLn4(J2D_TRACE_VERBOSE, "  dx1=%f dy1=%f dx2=%f dy2=%f",
                         dx1, dy1, dx2, dy2);
 
-            j2d_glPixelStorei(GL_UNPACK_SKIP_PIXELS, sx1);
-            j2d_glPixelStorei(GL_UNPACK_SKIP_ROWS, sy1);
+            // Note: we will calculate x/y positions in the raster manually
+            j2d_glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
+            j2d_glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
             j2d_glPixelStorei(GL_UNPACK_ROW_LENGTH,
                               srcInfo.scanStride / srcInfo.pixelStride);
             j2d_glPixelStorei(GL_UNPACK_ALIGNMENT, pf.alignment);
@@ -696,8 +691,6 @@
                 }
             }
 
-            j2d_glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
-            j2d_glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
             j2d_glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
             j2d_glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
         }
@@ -717,8 +710,8 @@
     juint step = 0;
     // vertical flip and convert argbpre to argb if necessary
     for (; i < h / 2; ++i) {
-        juint *r1 = PtrAddBytes(pDst, (i * scanStride));
-        juint *r2 = PtrAddBytes(pDst, (h - i - 1) * scanStride);
+        juint *r1 = PtrPixelsRow(pDst, i, scanStride);
+        juint *r2 = PtrPixelsRow(pDst, h - i - 1, scanStride);
         if (tempRow) {
             // fast path
             memcpy(tempRow, r1, clippedStride);
@@ -740,7 +733,7 @@
     }
     // convert the middle line if necessary
     if (convert && h % 2) {
-        juint *r1 = PtrAddBytes(pDst, (i * scanStride));
+        juint *r1 = PtrPixelsRow(pDst, i, scanStride);
         for (step = 0; step < w; ++step) {
             LoadIntArgbPreTo1IntArgb(r1, 0, step, r1[step]);
         }
@@ -813,7 +806,7 @@
             height = srcInfo.bounds.y2 - srcInfo.bounds.y1;
 
             pDst = PtrAddBytes(pDst, dstx * dstInfo.pixelStride);
-            pDst = PtrAddBytes(pDst, dsty * dstInfo.scanStride);
+            pDst = PtrPixelsRow(pDst, dsty, dstInfo.scanStride);
 
             j2d_glPixelStorei(GL_PACK_ROW_LENGTH,
                               dstInfo.scanStride / dstInfo.pixelStride);
--- a/src/java.desktop/share/native/libawt/java2d/loops/GraphicsPrimitiveMgr.h	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/native/libawt/java2d/loops/GraphicsPrimitiveMgr.h	Wed Oct 16 15:31:05 2019 +0200
@@ -490,6 +490,8 @@
 #define PtrCoord(p, x, xinc, y, yinc)   PtrAddBytes(p, \
                                                     ((ptrdiff_t)(y))*(yinc) + \
                                                     ((ptrdiff_t)(x))*(xinc))
+#define PtrPixelsRow(p, y, scanStride)    PtrAddBytes(p, \
+    ((intptr_t) (y)) * (scanStride))
 
 /*
  * The function to call with an array of NativePrimitive structures
--- a/src/java.desktop/share/native/libawt/java2d/loops/LoopMacros.h	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/native/libawt/java2d/loops/LoopMacros.h	Wed Oct 16 15:31:05 2019 +0200
@@ -137,7 +137,7 @@
         do { \
             juint w = WIDTH; \
             jint tmpsxloc = SXLOC; \
-            SRCPTR = PtrAddBytes(SRCBASE, ((SYLOC >> SHIFT) * srcScan)); \
+            SRCPTR = PtrPixelsRow(SRCBASE, (SYLOC >> SHIFT), srcScan); \
             Init ## DSTTYPE ## StoreVarsX(DSTPREFIX, DSTINFO); \
             do { \
                 jint XVAR = (tmpsxloc >> SHIFT); \
@@ -2067,7 +2067,7 @@
  \
     Init ## SRC ## LoadVars(SrcRead, pSrcInfo); \
     while (pRGB < pEnd) { \
-        SRC ## DataType *pRow = PtrAddBytes(pBase, WholeOfLong(ylong) * scan); \
+        SRC ## DataType *pRow = PtrPixelsRow(pBase, WholeOfLong(ylong), scan); \
         Copy ## SRC ## ToIntArgbPre(pRGB, 0, \
                                     SrcRead, pRow, WholeOfLong(xlong)); \
         pRGB++; \
@@ -2115,7 +2115,7 @@
         ydelta &= scan; \
  \
         xwhole += cx; \
-        pRow = PtrAddBytes(pSrcInfo->rasBase, (ywhole + cy) * scan); \
+        pRow = PtrPixelsRow(pSrcInfo->rasBase, ywhole + cy, scan); \
         Copy ## SRC ## ToIntArgbPre(pRGB, 0, SrcRead, pRow, xwhole); \
         Copy ## SRC ## ToIntArgbPre(pRGB, 1, SrcRead, pRow, xwhole+xdelta); \
         pRow = PtrAddBytes(pRow, ydelta); \
@@ -2173,7 +2173,7 @@
         ydelta1 += (isneg & -scan); \
  \
         xwhole += cx; \
-        pRow = PtrAddBytes(pSrcInfo->rasBase, (ywhole + cy) * scan); \
+        pRow = PtrPixelsRow(pSrcInfo->rasBase, ywhole + cy, scan); \
         pRow = PtrAddBytes(pRow, ydelta0); \
         Copy ## SRC ## ToIntArgbPre(pRGB,  0, SrcRead, pRow, xwhole+xdelta0); \
         Copy ## SRC ## ToIntArgbPre(pRGB,  1, SrcRead, pRow, xwhole        ); \
--- a/src/java.desktop/share/native/libfontmanager/DrawGlyphList.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/native/libfontmanager/DrawGlyphList.c	Wed Oct 16 15:31:05 2019 +0200
@@ -532,6 +532,12 @@
      */
     if (subPixPos && len > 0) {
         ginfo = (GlyphInfo*)imagePtrs[0];
+        if (ginfo == NULL) {
+            (*env)->ReleasePrimitiveArrayCritical(env, glyphImages,
+                                                  imagePtrs, JNI_ABORT);
+            free(gbv);
+            return (GlyphBlitVector*)NULL;
+        }
         /* rowBytes==width tests if its a B&W or LCD glyph */
         if (ginfo->width == ginfo->rowBytes) {
             subPixPos = JNI_FALSE;
@@ -561,6 +567,12 @@
             jfloat px, py;
 
             ginfo = (GlyphInfo*)imagePtrs[g];
+            if (ginfo == NULL) {
+                (*env)->ReleasePrimitiveArrayCritical(env, glyphImages,
+                                                  imagePtrs, JNI_ABORT);
+                free(gbv);
+                return (GlyphBlitVector*)NULL;
+            }
             gbv->glyphs[g].glyphInfo = ginfo;
             gbv->glyphs[g].pixels = ginfo->image;
             gbv->glyphs[g].width = ginfo->width;
@@ -636,6 +648,12 @@
     } else {
         for (g=0; g<len; g++) {
             ginfo = (GlyphInfo*)imagePtrs[g];
+            if (ginfo == NULL) {
+                (*env)->ReleasePrimitiveArrayCritical(env, glyphImages,
+                                                  imagePtrs, JNI_ABORT);
+                free(gbv);
+                return (GlyphBlitVector*)NULL;
+            }
             gbv->glyphs[g].glyphInfo = ginfo;
             gbv->glyphs[g].pixels = ginfo->image;
             gbv->glyphs[g].width = ginfo->width;
--- a/src/java.desktop/share/native/libfontmanager/freetypeScaler.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/native/libfontmanager/freetypeScaler.c	Wed Oct 16 15:31:05 2019 +0200
@@ -154,7 +154,31 @@
     jobject bBuffer;
     int bread = 0;
 
-    if (numBytes == 0) return 0;
+    /* A call with numBytes == 0 is a seek. It should return 0 if the
+     * seek position is within the file and non-zero otherwise.
+     * For all other cases, ie numBytes !=0, return the number of bytes
+     * actually read. This applies to truncated reads and also failed reads.
+     */
+
+    if (numBytes == 0) {
+        if (offset > scalerInfo->fileSize) {
+            return -1;
+        } else {
+            return 0;
+       }
+    }
+
+    if (offset + numBytes < offset) {
+        return 0; // ft should not do this, but just in case.
+    }
+
+    if (offset >= scalerInfo->fileSize) {
+        return 0;
+    }
+
+    if (offset + numBytes > scalerInfo->fileSize) {
+        numBytes = scalerInfo->fileSize - offset;
+    }
 
     /* Large reads will bypass the cache and data copying */
     if (numBytes > FILEDATACACHESIZE) {
@@ -164,7 +188,11 @@
                                           scalerInfo->font2D,
                                           sunFontIDs.ttReadBlockMID,
                                           bBuffer, offset, numBytes);
-            return bread;
+            if (bread < 0) {
+                return 0;
+            } else {
+               return bread;
+            }
         } else {
             /* We probably hit bug 4845371. For reasons that
              * are currently unclear, the call stacks after the initial
@@ -179,9 +207,18 @@
             (*env)->CallObjectMethod(env, scalerInfo->font2D,
                                      sunFontIDs.ttReadBytesMID,
                                      offset, numBytes);
-            (*env)->GetByteArrayRegion(env, byteArray,
-                                       0, numBytes, (jbyte*)destBuffer);
-            return numBytes;
+            /* If there's an OutofMemoryError then byteArray will be null */
+            if (byteArray == NULL) {
+                return 0;
+            } else {
+                jsize len = (*env)->GetArrayLength(env, byteArray);
+                if (len < numBytes) {
+                    numBytes = len; // don't get more bytes than there are ..
+                }
+                (*env)->GetByteArrayRegion(env, byteArray,
+                                           0, numBytes, (jbyte*)destBuffer);
+                return numBytes;
+            }
         }
     } /* Do we have a cache hit? */
       else if (scalerInfo->fontDataOffset <= offset &&
@@ -203,6 +240,11 @@
                                       sunFontIDs.ttReadBlockMID,
                                       bBuffer, offset,
                                       scalerInfo->fontDataLength);
+        if (bread <= 0) {
+            return 0;
+        } else if (bread < numBytes) {
+           numBytes = bread;
+        }
         memcpy(destBuffer, scalerInfo->fontData, numBytes);
         return numBytes;
     }
@@ -593,16 +635,17 @@
       to avoid unnecesary work with bitmaps. */
 
     GlyphInfo *info;
-    jfloat advance;
+    jfloat advance = 0.0f;
     jlong image;
 
     image = Java_sun_font_FreetypeFontScaler_getGlyphImageNative(
                  env, scaler, font2D, pScalerContext, pScaler, glyphCode);
     info = (GlyphInfo*) jlong_to_ptr(image);
 
-    advance = info->advanceX;
-
-    free(info);
+    if (info != NULL) {
+        advance = info->advanceX;
+        free(info);
+    }
 
     return advance;
 }
@@ -740,6 +783,13 @@
 }
 
 
+/* JDK does not use glyph images for fonts with a
+ * pixel size > 100 (see THRESHOLD in OutlineTextRenderer.java)
+ * so if the glyph bitmap image dimension is > 1024 pixels,
+ * something is up.
+ */
+#define MAX_GLYPH_DIM 1024
+
 /*
  * Class:     sun_font_FreetypeFontScaler
  * Method:    getGlyphImageNative
@@ -813,6 +863,14 @@
     /* generate bitmap if it is not done yet
      e.g. if algorithmic styling is performed and style was added to outline */
     if (ftglyph->format == FT_GLYPH_FORMAT_OUTLINE) {
+        FT_BBox bbox;
+        FT_Outline_Get_CBox(&(ftglyph->outline), &bbox);
+        int w = (int)((bbox.xMax>>6)-(bbox.xMin>>6));
+        int h = (int)((bbox.yMax>>6)-(bbox.yMin>>6));
+        if (w > MAX_GLYPH_DIM || h > MAX_GLYPH_DIM) {
+            glyphInfo = getNullGlyphImage();
+            return ptr_to_jlong(glyphInfo);
+        }
         error = FT_Render_Glyph(ftglyph, FT_LOAD_TARGET_MODE(target));
         if (error != 0) {
             return ptr_to_jlong(getNullGlyphImage());
@@ -821,6 +879,11 @@
 
     width  = (UInt16) ftglyph->bitmap.width;
     height = (UInt16) ftglyph->bitmap.rows;
+    if (width > MAX_GLYPH_DIM || height > MAX_GLYPH_DIM) {
+        glyphInfo = getNullGlyphImage();
+        return ptr_to_jlong(glyphInfo);
+    }
+
 
     imageSize = width*height;
     glyphInfo = (GlyphInfo*) malloc(sizeof(GlyphInfo) + imageSize);
--- a/src/java.desktop/share/native/libfontmanager/hb-jdk-font.cc	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/share/native/libfontmanager/hb-jdk-font.cc	Wed Oct 16 15:31:05 2019 +0200
@@ -351,6 +351,9 @@
   }
   length = env->GetArrayLength(tableBytes);
   buffer = calloc(length, sizeof(jbyte));
+  if (buffer == NULL) {
+      return NULL;
+  }
   env->GetByteArrayRegion(tableBytes, 0, length, (jbyte*)buffer);
 
   return hb_blob_create((const char *)buffer, length,
--- a/src/java.desktop/unix/classes/sun/font/FcFontConfiguration.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/unix/classes/sun/font/FcFontConfiguration.java	Wed Oct 16 15:31:05 2019 +0200
@@ -25,7 +25,6 @@
 
 package sun.font;
 
-import java.awt.Font;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -45,11 +44,9 @@
 import sun.awt.FontDescriptor;
 import sun.awt.SunToolkit;
 import sun.font.CompositeFontDescriptor;
-import sun.font.FontManager;
 import sun.font.FontConfigManager.FontConfigInfo;
 import sun.font.FontConfigManager.FcCompFont;
 import sun.font.FontConfigManager.FontConfigFont;
-import sun.java2d.SunGraphicsEnvironment;
 import sun.util.logging.PlatformLogger;
 
 public class FcFontConfiguration extends FontConfiguration {
@@ -289,12 +286,10 @@
     /**
      * Gets the OS version string from a Linux release-specific file.
      */
-    private String getVersionString(File f){
-        try {
-            Scanner sc  = new Scanner(f);
+    private String getVersionString(File f) {
+        try (Scanner sc  = new Scanner(f)) {
             return sc.findInLine("(\\d)+((\\.)(\\d)+)*");
-        }
-        catch (Exception e){
+        } catch (Exception e) {
         }
         return null;
     }
@@ -429,23 +424,26 @@
     private void readFcInfo() {
         File fcFile = getFcInfoFile();
         if (!fcFile.exists()) {
+            if (FontUtilities.debugFonts()) {
+                warning("fontconfig info file " + fcFile.toString() + " does not exist");
+            }
             return;
         }
         Properties props = new Properties();
-        FcFontManager fm = (FcFontManager) fontManager;
-        FontConfigManager fcm = fm.getFontConfigManager();
-        try {
-            FileInputStream fis = new FileInputStream(fcFile);
+        try (FileInputStream fis = new FileInputStream(fcFile)) {
             props.load(fis);
-            fis.close();
         } catch (IOException e) {
             if (FontUtilities.debugFonts()) {
-                warning("IOException reading from "+fcFile.toString());
+                warning("IOException (" + e.getCause() + ") reading from " + fcFile.toString());
             }
             return;
         }
         String version = (String)props.get("version");
         if (version == null || !version.equals(fileVersion)) {
+            if (FontUtilities.debugFonts()) {
+                warning("fontconfig info file version mismatch (found: " + version +
+                    ", expected: " + fileVersion + ")");
+            }
             return;
         }
 
@@ -458,6 +456,9 @@
                 fcVersion = Integer.parseInt(fcVersionStr);
                 if (fcVersion != 0 &&
                     fcVersion != FontConfigManager.getFontConfigVersion()) {
+                    if (FontUtilities.debugFonts()) {
+                        warning("new, different fontconfig detected");
+                    }
                     return;
                 }
             } catch (Exception e) {
@@ -480,6 +481,9 @@
             }
             File dirFile = new File(dir);
             if (dirFile.exists() && dirFile.lastModified() > lastModified) {
+                if (FontUtilities.debugFonts()) {
+                    warning("out of date cache directories detected");
+                }
                 return;
             }
             cacheDirIndex++;
@@ -503,6 +507,9 @@
                     String lenStr = (String)props.get(key+".length");
                     int nfonts = Integer.parseInt(lenStr);
                     if (nfonts <= 0) {
+                        if (FontUtilities.debugFonts()) {
+                            warning("bad non-positive .length entry in fontconfig file " + fcFile.toString());
+                        }
                         return; // bad file
                     }
                     fci[index].allFonts = new FontConfigFont[nfonts];
@@ -514,6 +521,9 @@
                         fkey = key+"."+f+".file";
                         String file = (String)props.get(fkey);
                         if (file == null) {
+                            if (FontUtilities.debugFonts()) {
+                                warning("missing file value for key " + fkey + " in fontconfig file " + fcFile.toString());
+                            }
                             return; // bad file
                         }
                         fci[index].allFonts[f].fontFile = file;
@@ -528,6 +538,11 @@
                 warning(t.toString());
             }
         }
+
+        if (FontUtilities.debugFonts()) {
+            PlatformLogger logger = FontUtilities.getLogger();
+            logger.info("successfully parsed the fontconfig file at " + fcFile.toString());
+        }
     }
 
     private static void warning(String msg) {
--- a/src/java.desktop/unix/classes/sun/font/XRGlyphCache.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/unix/classes/sun/font/XRGlyphCache.java	Wed Oct 16 15:31:05 2019 +0200
@@ -114,6 +114,9 @@
         for (int i = 0; i < glyphList.getNumGlyphs(); i++) {
             XRGlyphCacheEntry glyph;
 
+            if (imgPtrs[i] == 0L) {
+                continue;
+            }
             // Find uncached glyphs and queue them for upload
             if ((glyph = getEntryForPointer(imgPtrs[i])) == null) {
                 glyph = new XRGlyphCacheEntry(imgPtrs[i], glyphList);
--- a/src/java.desktop/unix/classes/sun/font/XRTextRenderer.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/unix/classes/sun/font/XRTextRenderer.java	Wed Oct 16 15:31:05 2019 +0200
@@ -88,6 +88,9 @@
             for (int i = 0; i < gl.getNumGlyphs(); i++) {
                 gl.setGlyphIndex(i);
                 XRGlyphCacheEntry cacheEntry = cachedGlyphs[i];
+                if (cacheEntry == null) {
+                    continue;
+                }
 
                 eltList.getGlyphs().addInt(cacheEntry.getGlyphID());
                 int glyphSet = cacheEntry.getGlyphSet();
--- a/src/java.desktop/unix/native/common/awt/X11Color.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/unix/native/common/awt/X11Color.c	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -336,19 +336,6 @@
 
     return awt_color_match(r, g, b, awt_data);
 }
-
-void
-awt_allocate_systemcolors(XColor *colorsPtr, int num_pixels, AwtGraphicsConfigDataPtr awtData) {
-    int i;
-    int r, g, b, pixel;
-
-    for (i=0; i < num_pixels; i++) {
-        r = colorsPtr[i].red   >> 8;
-        g = colorsPtr[i].green >> 8;
-        b = colorsPtr[i].blue  >> 8;
-        pixel = alloc_col(awt_display, awtData->awt_cmap, r, g, b, -1, awtData);
-    }
-}
 #endif /* !HEADLESS */
 
 void
@@ -1276,12 +1263,6 @@
 extern jfieldID colorValueID;
 
 #ifndef HEADLESS
-int awtJNI_GetColor(JNIEnv *env,jobject this)
-{
-    /* REMIND: should not be defaultConfig. */
-    return awtJNI_GetColorForVis (env, this, getDefaultConfig(DefaultScreen(awt_display)));
-}
-
 int awtJNI_GetColorForVis (JNIEnv *env,jobject this, AwtGraphicsConfigDataPtr awt_data)
 {
     int col;
--- a/src/java.desktop/unix/native/common/awt/awt_Font.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/unix/native/common/awt/awt_Font.c	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1995, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,51 +23,10 @@
  * questions.
  */
 
-#ifndef HEADLESS
-
-#include "awt_p.h"
-#include <string.h>
-#include "java_awt_Component.h"
 #include "java_awt_Font.h"
-#include "java_awt_FontMetrics.h"
-#include "sun_awt_X11GraphicsEnvironment.h"
-
-#include "awt_Font.h"
-
-#include "java_awt_Dimension.h"
-#include "Disposer.h"
-#endif /* !HEADLESS */
-#include <jni.h>
-#ifndef HEADLESS
-#include <jni_util.h>
-
-#define defaultXLFD "-*-helvetica-*-*-*-*-12-*-*-*-*-*-iso8859-1"
-
-struct FontIDs fontIDs;
-struct PlatformFontIDs platformFontIDs;
+#include "sun_awt_FontDescriptor.h"
+#include "sun_awt_PlatformFont.h"
 
-static void pDataDisposeMethod(JNIEnv *env, jlong pData);
-
-/* #define FONT_DEBUG 2 */
-/* 1- print failures, 2- print all, 3- terminate on failure */
-#if FONT_DEBUG
-static XFontStruct *XLoadQueryFontX(Display *display, char *name)
-{
-    XFontStruct *result = NULL;
-    result = XLoadQueryFont(display, name);
-#if FONT_DEBUG < 2
-    if (result == NULL)
-#endif
-        fprintf(stderr, "XLoadQueryFont(\"%s\") -> 0x%x.\n", name, result);
-#if FONT_DEBUG >= 3
-    if (result == NULL)
-        exit(-1);
-#endif
-    return result;
-}
-#define XLoadQueryFont XLoadQueryFontX
-#endif
-#endif /* !HEADLESS */
 
 /*
  * Class:     java_awt_Font
@@ -79,28 +38,9 @@
    to initialize the fieldIDs for fields that may be accessed from C */
 
 JNIEXPORT void JNICALL
-Java_java_awt_Font_initIDs
-  (JNIEnv *env, jclass cls)
-{
-#ifndef HEADLESS
-    CHECK_NULL(fontIDs.pData = (*env)->GetFieldID(env, cls, "pData", "J"));
-    CHECK_NULL(fontIDs.style = (*env)->GetFieldID(env, cls, "style", "I"));
-    CHECK_NULL(fontIDs.size = (*env)->GetFieldID(env, cls, "size", "I"));
-    CHECK_NULL(fontIDs.getPeer = (*env)->GetMethodID(env, cls, "getFontPeer",
-                                                     "()Ljava/awt/peer/FontPeer;"));
-    CHECK_NULL(fontIDs.getFamily = (*env)->GetMethodID(env, cls, "getFamily_NoClientCode",
-                                                       "()Ljava/lang/String;"));
-#endif /* !HEADLESS */
+Java_java_awt_Font_initIDs(JNIEnv *env, jclass cls) {
 }
 
-#ifndef HEADLESS
-/* fieldIDs for FontDescriptor fields that may be accessed from C */
-static struct FontDescriptorIDs {
-    jfieldID nativeName;
-    jfieldID charsetName;
-} fontDescriptorIDs;
-#endif /* !HEADLESS */
-
 /*
  * Class:     sun_awt_FontDescriptor
  * Method:    initIDs
@@ -112,15 +52,7 @@
    that may be accessed from C */
 
 JNIEXPORT void JNICALL
-Java_sun_awt_FontDescriptor_initIDs
-  (JNIEnv *env, jclass cls)
-{
-#ifndef HEADLESS
-    CHECK_NULL(fontDescriptorIDs.nativeName =
-               (*env)->GetFieldID(env, cls, "nativeName", "Ljava/lang/String;"));
-    CHECK_NULL(fontDescriptorIDs.charsetName =
-               (*env)->GetFieldID(env, cls, "charsetName", "Ljava/lang/String;"));
-#endif /* !HEADLESS */
+Java_sun_awt_FontDescriptor_initIDs(JNIEnv *env, jclass cls) {
 }
 
 /*
@@ -134,354 +66,5 @@
    that may be accessed from C */
 
 JNIEXPORT void JNICALL
-Java_sun_awt_PlatformFont_initIDs
-  (JNIEnv *env, jclass cls)
-{
-#ifndef HEADLESS
-    CHECK_NULL(platformFontIDs.componentFonts =
-               (*env)->GetFieldID(env, cls, "componentFonts",
-                                  "[Lsun/awt/FontDescriptor;"));
-    CHECK_NULL(platformFontIDs.fontConfig =
-               (*env)->GetFieldID(env,cls, "fontConfig",
-                                  "Lsun/awt/FontConfiguration;"));
-    CHECK_NULL(platformFontIDs.makeConvertedMultiFontString =
-               (*env)->GetMethodID(env, cls, "makeConvertedMultiFontString",
-                                   "(Ljava/lang/String;)[Ljava/lang/Object;"));
-    CHECK_NULL(platformFontIDs.makeConvertedMultiFontChars =
-               (*env)->GetMethodID(env, cls, "makeConvertedMultiFontChars",
-                                   "([CII)[Ljava/lang/Object;"));
-#endif /* !HEADLESS */
+Java_sun_awt_PlatformFont_initIDs(JNIEnv *env, jclass cls) {
 }
-
-#ifndef HEADLESS
-XFontStruct *
-loadFont(Display * display, char *name, int32_t pointSize)
-{
-    XFontStruct *f = NULL;
-
-    /* try the exact xlfd name in font configuration file */
-    f = XLoadQueryFont(display, name);
-    if (f != NULL) {
-        return f;
-    }
-
-    /*
-     * try nearly font
-     *
-     *  1. specify FAMILY_NAME, WEIGHT_NAME, SLANT, POINT_SIZE,
-     *     CHARSET_REGISTRY and CHARSET_ENCODING.
-     *  2. change POINT_SIZE to PIXEL_SIZE
-     *  3. change FAMILY_NAME to *
-     *  4. specify only PIXEL_SIZE and CHARSET_REGISTRY/ENCODING
-     *  5. change PIXEL_SIZE +1/-1/+2/-2...+4/-4
-     *  6. default font pattern
-     */
-    {
-        /*
-         * This code assumes the name contains exactly 14 '-' delimiter.
-         * If not use default pattern.
-         */
-        int32_t i, length, pixelSize;
-        Boolean useDefault = FALSE;
-
-        char buffer[BUFSIZ], buffer2[BUFSIZ];
-        char *family = NULL, *style = NULL, *slant = NULL, *encoding = NULL;
-        char *start = NULL, *end = NULL;
-
-        if (strlen(name) > BUFSIZ - 1) {
-            useDefault = TRUE;
-        } else {
-            strcpy(buffer, name);
-        }
-
-#define NEXT_HYPHEN\
-        start = end + 1;\
-        end = strchr(start, '-');\
-        if (end == NULL) {\
-                              useDefault = TRUE;\
-        break;\
-        }\
-        *end = '\0'
-
-             do {
-                 end = buffer;
-
-                 /* skip FOUNDRY */
-                 NEXT_HYPHEN;
-
-                 /* set FAMILY_NAME */
-                 NEXT_HYPHEN;
-                 family = start;
-
-                 /* set STYLE_NAME */
-                 NEXT_HYPHEN;
-                 style = start;
-
-                 /* set SLANT */
-                 NEXT_HYPHEN;
-                 slant = start;
-
-                 /* skip SETWIDTH_NAME, ADD_STYLE_NAME, PIXEL_SIZE
-                    POINT_SIZE, RESOLUTION_X, RESOLUTION_Y, SPACING
-                    and AVERAGE_WIDTH */
-                 NEXT_HYPHEN;
-                 NEXT_HYPHEN;
-                 NEXT_HYPHEN;
-                 NEXT_HYPHEN;
-                 NEXT_HYPHEN;
-                 NEXT_HYPHEN;
-                 NEXT_HYPHEN;
-                 NEXT_HYPHEN;
-
-                 /* set CHARSET_REGISTRY and CHARSET_ENCODING */
-                 encoding = end + 1;
-             }
-             while (0);
-
-#define TRY_LOAD\
-        f = XLoadQueryFont(display, buffer2);\
-        if (f != NULL) {\
-                            strcpy(name, buffer2);\
-        return f;\
-        }
-
-        if (!useDefault) {
-            char *altstyle = NULL;
-
-            /* Regular is the style for TrueType fonts -- Type1, F3 use roman */
-            if (strcmp(style, "regular") == 0) {
-                altstyle = "roman";
-            }
-#if defined(__linux__) || defined(MACOSX)
-            if (!strcmp(family, "lucidasans")) {
-                family = "lucida";
-            }
-#endif
-            /* try 1. */
-            jio_snprintf(buffer2, sizeof(buffer2),
-                         "-*-%s-%s-%s-*-*-*-%d-*-*-*-*-%s",
-                         family, style, slant, pointSize, encoding);
-            TRY_LOAD;
-
-            if (altstyle != NULL) {
-                jio_snprintf(buffer2, sizeof(buffer2),
-                             "-*-%s-%s-%s-*-*-*-%d-*-*-*-*-%s",
-                             family, altstyle, slant, pointSize, encoding);
-                TRY_LOAD;
-            }
-
-            /* search bitmap font */
-            pixelSize = pointSize / 10;
-
-            /* try 2. */
-            jio_snprintf(buffer2, sizeof(buffer2),
-                         "-*-%s-%s-%s-*-*-%d-*-*-*-*-*-%s",
-                         family, style, slant, pixelSize, encoding);
-            TRY_LOAD;
-
-            if (altstyle != NULL) {
-                jio_snprintf(buffer2, sizeof(buffer2),
-                             "-*-%s-%s-%s-*-*-%d-*-*-*-*-*-%s",
-                             family, altstyle, slant, pixelSize, encoding);
-                TRY_LOAD;
-            }
-
-            /* try 3 */
-            jio_snprintf(buffer2, sizeof(buffer2),
-                         "-*-*-%s-%s-*-*-%d-*-*-*-*-*-%s",
-                         style, slant, pixelSize, encoding);
-            TRY_LOAD;
-            if (altstyle != NULL) {
-                jio_snprintf(buffer2, sizeof(buffer2),
-                             "-*-*-%s-%s-*-*-%d-*-*-*-*-*-%s",
-                             altstyle, slant, pixelSize, encoding);
-                TRY_LOAD;
-            }
-
-            /* try 4 */
-            jio_snprintf(buffer2, sizeof(buffer2),
-                         "-*-*-*-%s-*-*-%d-*-*-*-*-*-%s",
-                         slant, pixelSize, encoding);
-
-            TRY_LOAD;
-
-            /* try 5. */
-            jio_snprintf(buffer2, sizeof(buffer2),
-                         "-*-*-*-*-*-*-%d-*-*-*-*-*-%s",
-                         pixelSize, encoding);
-            TRY_LOAD;
-
-            /* try 6. */
-            for (i = 1; i < 4; i++) {
-                if (pixelSize < i)
-                    break;
-                jio_snprintf(buffer2, sizeof(buffer2),
-                             "-*-%s-%s-%s-*-*-%d-*-*-*-*-*-%s",
-                             family, style, slant, pixelSize + i, encoding);
-                TRY_LOAD;
-
-                jio_snprintf(buffer2, sizeof(buffer2),
-                             "-*-%s-%s-%s-*-*-%d-*-*-*-*-*-%s",
-                             family, style, slant, pixelSize - i, encoding);
-                TRY_LOAD;
-
-                jio_snprintf(buffer2, sizeof(buffer2),
-                             "-*-*-*-*-*-*-%d-*-*-*-*-*-%s",
-                             pixelSize + i, encoding);
-                TRY_LOAD;
-
-                jio_snprintf(buffer2, sizeof(buffer2),
-                             "-*-*-*-*-*-*-%d-*-*-*-*-*-%s",
-                             pixelSize - i, encoding);
-                TRY_LOAD;
-            }
-        }
-    }
-
-    strcpy(name, defaultXLFD);
-    return XLoadQueryFont(display, defaultXLFD);
-}
-
-/*
- * Hardwired list of mappings for generic font names "Helvetica",
- * "TimesRoman", "Courier", "Dialog", and "DialogInput".
- */
-static char *defaultfontname = "fixed";
-static char *defaultfoundry = "misc";
-static char *anyfoundry = "*";
-static char *anystyle = "*-*";
-static char *isolatin1 = "iso8859-1";
-
-static char *
-Style(int32_t s)
-{
-    switch (s) {
-        case java_awt_Font_ITALIC:
-            return "medium-i";
-        case java_awt_Font_BOLD:
-            return "bold-r";
-        case java_awt_Font_BOLD + java_awt_Font_ITALIC:
-            return "bold-i";
-        case java_awt_Font_PLAIN:
-        default:
-            return "medium-r";
-    }
-}
-
-static int32_t
-awtJNI_FontName(JNIEnv * env, jstring name, char **foundry, char **facename, char **encoding)
-{
-    char *cname = NULL;
-
-    if (JNU_IsNull(env, name)) {
-        return 0;
-    }
-    cname = (char *) JNU_GetStringPlatformChars(env, name, NULL);
-    if (cname == NULL) {
-        (*env)->ExceptionClear(env);
-        JNU_ThrowOutOfMemoryError(env, "Could not create font name");
-        return 0;
-    }
-
-    /* additional default font names */
-    if (strcmp(cname, "serif") == 0) {
-        *foundry = "adobe";
-        *facename = "times";
-        *encoding = isolatin1;
-    } else if (strcmp(cname, "sansserif") == 0) {
-        *foundry = "adobe";
-        *facename = "helvetica";
-        *encoding = isolatin1;
-    } else if (strcmp(cname, "monospaced") == 0) {
-        *foundry = "adobe";
-        *facename = "courier";
-        *encoding = isolatin1;
-    } else if (strcmp(cname, "helvetica") == 0) {
-        *foundry = "adobe";
-        *facename = "helvetica";
-        *encoding = isolatin1;
-    } else if (strcmp(cname, "timesroman") == 0) {
-        *foundry = "adobe";
-        *facename = "times";
-        *encoding = isolatin1;
-    } else if (strcmp(cname, "courier") == 0) {
-        *foundry = "adobe";
-        *facename = "courier";
-        *encoding = isolatin1;
-    } else if (strcmp(cname, "dialog") == 0) {
-        *foundry = "b&h";
-        *facename = "lucida";
-        *encoding = isolatin1;
-    } else if (strcmp(cname, "dialoginput") == 0) {
-        *foundry = "b&h";
-        *facename = "lucidatypewriter";
-        *encoding = isolatin1;
-    } else if (strcmp(cname, "zapfdingbats") == 0) {
-        *foundry = "itc";
-        *facename = "zapfdingbats";
-        *encoding = "*-*";
-    } else {
-#ifdef DEBUG
-        jio_fprintf(stderr, "Unknown font: %s\n", cname);
-#endif
-        *foundry = defaultfoundry;
-        *facename = defaultfontname;
-        *encoding = isolatin1;
-    }
-
-    if (cname != NULL)
-        JNU_ReleaseStringPlatformChars(env, name, (const char *) cname);
-
-    return 1;
-}
-
-/*
- * Registered with the 2D disposer to be called after the Font is GC'd.
- */
-static void pDataDisposeMethod(JNIEnv *env, jlong pData)
-{
-    struct FontData *fdata = NULL;
-    int32_t i = 0;
-    Display *display = XDISPLAY;
-
-    AWT_LOCK();
-    fdata = (struct FontData *)pData;
-
-    if (fdata == NULL) {
-        AWT_UNLOCK();
-        return;
-    }
-
-    if (fdata->xfs != NULL) {
-        XFreeFontSet(display, fdata->xfs);
-    }
-
-    /* AWT fonts are always "multifonts" and probably have been in
-     * all post 1.0 releases, so this test for multi fonts is
-     * probably not needed, and the singleton xfont is probably never used.
-     */
-    if (fdata->charset_num > 0) {
-        for (i = 0; i < fdata->charset_num; i++) {
-            free((void *)fdata->flist[i].xlfd);
-            JNU_ReleaseStringPlatformChars(env, NULL,
-                                           fdata->flist[i].charset_name);
-            if (fdata->flist[i].load) {
-                XFreeFont(display, fdata->flist[i].xfont);
-            }
-        }
-
-        free((void *)fdata->flist);
-
-        /* Don't free fdata->xfont because it is equal to fdata->flist[i].xfont
-           for some 'i' */
-    } else {
-        if (fdata->xfont != NULL) {
-            XFreeFont(display, fdata->xfont);
-        }
-    }
-
-    free((void *)fdata);
-
-    AWT_UNLOCK();
-}
-#endif /* !HEADLESS */
--- a/src/java.desktop/unix/native/common/awt/awt_Font.h	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,43 +0,0 @@
-/*
- * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include <jni_util.h>
-
-/* fieldIDs for Font fields that may be accessed from C */
-struct FontIDs {
-    jfieldID pData;
-    jfieldID style;
-    jfieldID size;
-    jmethodID getPeer;
-    jmethodID getFamily;
-};
-
-/* fieldIDs for PlatformFont fields that may be accessed from C */
-struct PlatformFontIDs {
-    jfieldID componentFonts;
-    jfieldID fontConfig;
-    jmethodID makeConvertedMultiFontString;
-    jmethodID makeConvertedMultiFontChars;
-};
--- a/src/java.desktop/unix/native/common/awt/awt_p.h	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/unix/native/common/awt/awt_p.h	Wed Oct 16 15:31:05 2019 +0200
@@ -30,11 +30,6 @@
 #ifndef _AWT_P_H_
 #define _AWT_P_H_
 
-/* turn on to do event filtering */
-#define NEW_EVENT_MODEL
-/* turn on to only filter keyboard events */
-#define KEYBOARD_ONLY_EVENTS
-
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -58,9 +53,6 @@
 #endif
 #endif /* !HEADLESS */
 
-#define RepaintPending_NONE     0
-#define RepaintPending_REPAINT  (1 << 0)
-#define RepaintPending_EXPOSE   (1 << 1)
 #define LOOKUPSIZE 32
 
 #ifndef HEADLESS
@@ -101,24 +93,6 @@
 
 typedef AwtScreenData* AwtScreenDataPtr;
 
-#define W_GRAVITY_INITIALIZED 1
-#define W_IS_EMBEDDED 2
-
-typedef struct awtFontList {
-    char *xlfd;
-    int index_length;
-    int load;
-    char *charset_name;
-    XFontStruct *xfont;
-} awtFontList;
-
-struct FontData {
-    int charset_num;
-    awtFontList *flist;
-    XFontSet xfs;       /* for TextField & TextArea */
-    XFontStruct *xfont; /* Latin1 font */
-};
-
 extern AwtGraphicsConfigDataPtr getDefaultConfig(int screen);
 extern AwtScreenDataPtr getScreenData(int screen);
 #endif /* !HEADLESS */
@@ -127,13 +101,10 @@
 #define ZALLOC(T)       ((struct T *)calloc(1, sizeof(struct T)))
 
 #ifndef HEADLESS
-#define XDISPLAY awt_display;
 
 extern int awt_allocate_colors(AwtGraphicsConfigDataPtr);
-extern void awt_allocate_systemcolors(XColor *, int, AwtGraphicsConfigDataPtr);
 extern void awt_allocate_systemrgbcolors(jint *, int, AwtGraphicsConfigDataPtr);
 
-extern int awtJNI_GetColor(JNIEnv *, jobject);
 extern int awtJNI_GetColorForVis (JNIEnv *, jobject, AwtGraphicsConfigDataPtr);
 extern jobject awtJNI_GetColorModel(JNIEnv *, AwtGraphicsConfigDataPtr);
 extern void awtJNI_CreateColorData (JNIEnv *, AwtGraphicsConfigDataPtr, int lock);
--- a/src/java.desktop/unix/native/common/java2d/x11/X11FontScaler_md.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/unix/native/common/java2d/x11/X11FontScaler_md.c	Wed Oct 16 15:31:05 2019 +0200
@@ -273,6 +273,7 @@
     unsigned int imageSize;
     JNIEnv *env;
 
+
     FONT_AWT_LOCK();
 /*     XTextExtents16(xFont, xChar, 1, &direction, &ascent, &descent, &xcs); */
     XQueryTextExtents16(awt_display,xFont->fid, xChar, 1,
@@ -280,8 +281,11 @@
     width = xcs.rbearing - xcs.lbearing;
     height = xcs.ascent+xcs.descent;
     imageSize = width*height;
-
     glyphInfo = (GlyphInfo*)malloc(sizeof(GlyphInfo)+imageSize);
+    if (glyphInfo == NULL) {
+        AWT_UNLOCK();
+        return (jlong)(uintptr_t)NULL;
+    }
     glyphInfo->cellInfo = NULL;
     glyphInfo->width = width;
     glyphInfo->height = height;
--- a/src/java.desktop/unix/native/libawt_xawt/xawt/XToolkit.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/unix/native/libawt_xawt/xawt/XToolkit.c	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -39,7 +39,6 @@
 #include "awt_p.h"
 #include "awt_Component.h"
 #include "awt_MenuComponent.h"
-#include "awt_Font.h"
 #include "awt_util.h"
 
 #include "sun_awt_X11_XToolkit.h"
--- a/src/java.desktop/windows/native/libawt/java2d/d3d/D3DContext.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.desktop/windows/native/libawt/java2d/d3d/D3DContext.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1092,7 +1092,9 @@
 {
 #ifndef PtrAddBytes
 #define PtrAddBytes(p, b)               ((void *) (((intptr_t) (p)) + (b)))
-#define PtrCoord(p, x, xinc, y, yinc)   PtrAddBytes(p, (y)*(yinc) + (x)*(xinc))
+#define PtrCoord(p, x, xinc, y, yinc)   PtrAddBytes(p, \
+                                                    ((ptrdiff_t)(y))*(yinc) + \
+                                                    ((ptrdiff_t)(x))*(xinc))
 #endif // PtrAddBytes
 
     HRESULT res = S_OK;
--- a/src/java.naming/share/classes/com/sun/jndi/toolkit/ctx/Continuation.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.naming/share/classes/com/sun/jndi/toolkit/ctx/Continuation.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -51,6 +51,7 @@
     /**
      * Whether links were encountered.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected Object followingLink = null;
 
     /**
@@ -71,6 +72,7 @@
      * The last resolved context. Used to set the "AltNameCtx" in a
      * CannotProceedException.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected Context resolvedContext = null;
 
     /**
--- a/src/java.naming/share/classes/javax/naming/Binding.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.naming/share/classes/javax/naming/Binding.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -54,6 +54,7 @@
      * @see #getObject
      * @see #setObject
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Object boundObj;
 
     /**
--- a/src/java.naming/share/classes/javax/naming/CannotProceedException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.naming/share/classes/javax/naming/CannotProceedException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -127,6 +127,7 @@
      * @see #altName
      * @see javax.naming.spi.ObjectFactory#getObjectInstance
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected Context altNameCtx = null;
 
     /**
--- a/src/java.naming/share/classes/javax/naming/LinkException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.naming/share/classes/javax/naming/LinkException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -85,6 +85,7 @@
       * @see #getLinkResolvedObj
       * @see #setLinkResolvedObj
       */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected Object linkResolvedObj;
 
     /**
--- a/src/java.naming/share/classes/javax/naming/NamingException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.naming/share/classes/javax/naming/NamingException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -79,6 +79,7 @@
       * @see #getResolvedObj
       * @see #setResolvedObj
       */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected Object resolvedObj;
     /**
      * Contains the remaining name that has not been resolved yet.
--- a/src/java.naming/share/classes/javax/naming/event/NamingEvent.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.naming/share/classes/javax/naming/event/NamingEvent.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -122,6 +122,7 @@
      * Contains information about the change that generated this event.
      * @serial
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected Object changeInfo;
 
     /**
--- a/src/java.naming/share/classes/javax/naming/spi/ResolveResult.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.naming/share/classes/javax/naming/spi/ResolveResult.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,6 +50,7 @@
      * Constructors should always initialize this.
      * @serial
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     protected Object resolvedObj;
     /**
      * Field containing the remaining name yet to be resolved.
--- a/src/java.rmi/share/classes/java/rmi/activation/ActivationGroup.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/java/rmi/activation/ActivationGroup.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -107,6 +107,7 @@
     /**
      * @serial the group's monitor
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private ActivationMonitor monitor;
 
     /**
--- a/src/java.rmi/share/classes/java/rmi/activation/ActivationGroupID.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/java/rmi/activation/ActivationGroupID.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -49,6 +49,7 @@
     /**
      * @serial The group's activation system.
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private ActivationSystem system;
 
     /**
--- a/src/java.rmi/share/classes/java/rmi/server/UnicastRemoteObject.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/java/rmi/server/UnicastRemoteObject.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -189,12 +189,14 @@
     /**
      * @serial client-side socket factory (if any)
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private RMIClientSocketFactory csf = null;
 
     /**
      * @serial server-side socket factory (if any) to use when
      * exporting object
      */
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private RMIServerSocketFactory ssf = null;
 
     /* indicate compatibility with JDK 1.1.x version of class */
--- a/src/java.rmi/share/classes/sun/rmi/registry/RegistryImpl_Skel.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/sun/rmi/registry/RegistryImpl_Skel.java	Wed Oct 16 15:31:05 2019 +0200
@@ -27,13 +27,8 @@
 package sun.rmi.registry;
 
 import java.io.IOException;
-import java.io.InputStream;
-import java.rmi.AccessException;
-import java.rmi.server.RemoteCall;
 
-import sun.rmi.transport.Connection;
 import sun.rmi.transport.StreamRemoteCall;
-import sun.rmi.transport.tcp.TCPConnection;
 
 /**
  * Skeleton to dispatch RegistryImpl methods.
@@ -56,7 +51,7 @@
         return operations.clone();
     }
 
-    public void dispatch(java.rmi.Remote obj, java.rmi.server.RemoteCall call, int opnum, long hash)
+    public void dispatch(java.rmi.Remote obj, java.rmi.server.RemoteCall remoteCall, int opnum, long hash)
             throws java.lang.Exception {
         if (opnum < 0) {
             if (hash == 7583982177005850366L) {
@@ -78,6 +73,7 @@
         }
 
         sun.rmi.registry.RegistryImpl server = (sun.rmi.registry.RegistryImpl) obj;
+        StreamRemoteCall call = (StreamRemoteCall) remoteCall;
         switch (opnum) {
             case 0: // bind(String, Remote)
             {
@@ -90,7 +86,8 @@
                     java.io.ObjectInput in = call.getInputStream();
                     $param_String_1 = (java.lang.String) in.readObject();
                     $param_Remote_2 = (java.rmi.Remote) in.readObject();
-                } catch (java.io.IOException | java.lang.ClassNotFoundException e) {
+                } catch (ClassCastException | IOException | ClassNotFoundException e) {
+                    call.discardPendingRefs();
                     throw new java.rmi.UnmarshalException("error unmarshalling arguments", e);
                 } finally {
                     call.releaseInputStream();
@@ -123,7 +120,8 @@
                 try {
                     java.io.ObjectInput in = call.getInputStream();
                     $param_String_1 = (java.lang.String) in.readObject();
-                } catch (java.io.IOException | java.lang.ClassNotFoundException e) {
+                } catch (ClassCastException | IOException | ClassNotFoundException e) {
+                    call.discardPendingRefs();
                     throw new java.rmi.UnmarshalException("error unmarshalling arguments", e);
                 } finally {
                     call.releaseInputStream();
@@ -149,7 +147,8 @@
                     java.io.ObjectInput in = call.getInputStream();
                     $param_String_1 = (java.lang.String) in.readObject();
                     $param_Remote_2 = (java.rmi.Remote) in.readObject();
-                } catch (java.io.IOException | java.lang.ClassNotFoundException e) {
+                } catch (ClassCastException | IOException | java.lang.ClassNotFoundException e) {
+                    call.discardPendingRefs();
                     throw new java.rmi.UnmarshalException("error unmarshalling arguments", e);
                 } finally {
                     call.releaseInputStream();
@@ -172,7 +171,8 @@
                 try {
                     java.io.ObjectInput in = call.getInputStream();
                     $param_String_1 = (java.lang.String) in.readObject();
-                } catch (java.io.IOException | java.lang.ClassNotFoundException e) {
+                } catch (ClassCastException | IOException | ClassNotFoundException e) {
+                    call.discardPendingRefs();
                     throw new java.rmi.UnmarshalException("error unmarshalling arguments", e);
                 } finally {
                     call.releaseInputStream();
--- a/src/java.rmi/share/classes/sun/rmi/registry/RegistryImpl_Stub.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/sun/rmi/registry/RegistryImpl_Stub.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,6 +24,11 @@
  */
 
 package sun.rmi.registry;
+
+import java.io.IOException;
+
+import sun.rmi.transport.StreamRemoteCall;
+
 /**
  * Stubs to invoke RegistryImpl remote methods.
  * Originally generated from RMIC but frozen to match RegistryImpl_Skel.
@@ -57,7 +62,7 @@
     public void bind(java.lang.String $param_String_1, java.rmi.Remote $param_Remote_2)
             throws java.rmi.AccessException, java.rmi.AlreadyBoundException, java.rmi.RemoteException {
         try {
-            java.rmi.server.RemoteCall call = ref.newCall((java.rmi.server.RemoteObject) this, operations, 0, interfaceHash);
+            StreamRemoteCall call = (StreamRemoteCall)ref.newCall(this, operations, 0, interfaceHash);
             try {
                 java.io.ObjectOutput out = call.getOutputStream();
                 out.writeObject($param_String_1);
@@ -82,15 +87,14 @@
     public java.lang.String[] list()
             throws java.rmi.AccessException, java.rmi.RemoteException {
         try {
-            java.rmi.server.RemoteCall call = ref.newCall((java.rmi.server.RemoteObject) this, operations, 1, interfaceHash);
+            StreamRemoteCall call = (StreamRemoteCall)ref.newCall(this, operations, 1, interfaceHash);
             ref.invoke(call);
             java.lang.String[] $result;
             try {
                 java.io.ObjectInput in = call.getInputStream();
                 $result = (java.lang.String[]) in.readObject();
-            } catch (java.io.IOException e) {
-                throw new java.rmi.UnmarshalException("error unmarshalling return", e);
-            } catch (java.lang.ClassNotFoundException e) {
+            } catch (ClassCastException | IOException | ClassNotFoundException e) {
+                call.discardPendingRefs();
                 throw new java.rmi.UnmarshalException("error unmarshalling return", e);
             } finally {
                 ref.done(call);
@@ -109,7 +113,7 @@
     public java.rmi.Remote lookup(java.lang.String $param_String_1)
             throws java.rmi.AccessException, java.rmi.NotBoundException, java.rmi.RemoteException {
         try {
-            java.rmi.server.RemoteCall call = ref.newCall((java.rmi.server.RemoteObject) this, operations, 2, interfaceHash);
+            StreamRemoteCall call = (StreamRemoteCall)ref.newCall(this, operations, 2, interfaceHash);
             try {
                 java.io.ObjectOutput out = call.getOutputStream();
                 out.writeObject($param_String_1);
@@ -121,9 +125,8 @@
             try {
                 java.io.ObjectInput in = call.getInputStream();
                 $result = (java.rmi.Remote) in.readObject();
-            } catch (java.io.IOException e) {
-                throw new java.rmi.UnmarshalException("error unmarshalling return", e);
-            } catch (java.lang.ClassNotFoundException e) {
+            } catch (ClassCastException | IOException | ClassNotFoundException e) {
+                call.discardPendingRefs();
                 throw new java.rmi.UnmarshalException("error unmarshalling return", e);
             } finally {
                 ref.done(call);
@@ -144,7 +147,7 @@
     public void rebind(java.lang.String $param_String_1, java.rmi.Remote $param_Remote_2)
             throws java.rmi.AccessException, java.rmi.RemoteException {
         try {
-            java.rmi.server.RemoteCall call = ref.newCall((java.rmi.server.RemoteObject) this, operations, 3, interfaceHash);
+            StreamRemoteCall call = (StreamRemoteCall)ref.newCall(this, operations, 3, interfaceHash);
             try {
                 java.io.ObjectOutput out = call.getOutputStream();
                 out.writeObject($param_String_1);
@@ -167,7 +170,7 @@
     public void unbind(java.lang.String $param_String_1)
             throws java.rmi.AccessException, java.rmi.NotBoundException, java.rmi.RemoteException {
         try {
-            java.rmi.server.RemoteCall call = ref.newCall((java.rmi.server.RemoteObject) this, operations, 4, interfaceHash);
+            StreamRemoteCall call = (StreamRemoteCall)ref.newCall(this, operations, 4, interfaceHash);
             try {
                 java.io.ObjectOutput out = call.getOutputStream();
                 out.writeObject($param_String_1);
--- a/src/java.rmi/share/classes/sun/rmi/server/ActivatableServerRef.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/sun/rmi/server/ActivatableServerRef.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -38,6 +38,7 @@
  *
  * @author Ann Wollrath
  */
+@SuppressWarnings("serial") // Externalizable class w/o no-arg c'tor
 public class ActivatableServerRef extends UnicastServerRef2 {
 
     private static final long serialVersionUID = 2002967993223003793L;
--- a/src/java.rmi/share/classes/sun/rmi/server/Activation.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/sun/rmi/server/Activation.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -145,9 +145,11 @@
     private static boolean debugExec;
 
     /** maps activation id to its respective group id */
+    @SuppressWarnings("serial") // Conditionally serializable
     private Map<ActivationID,ActivationGroupID> idTable =
         new ConcurrentHashMap<>();
     /** maps group id to its GroupEntry groups */
+    @SuppressWarnings("serial") // Conditionally serializable
     private Map<ActivationGroupID,GroupEntry> groupTable =
         new ConcurrentHashMap<>();
 
@@ -297,6 +299,7 @@
 
         private static final String NAME = ActivationSystem.class.getName();
         private static final long serialVersionUID = 4877330021609408794L;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private ActivationSystem systemStub = null;
 
         SystemRegistryImpl(int port,
@@ -498,6 +501,7 @@
      * with RegistryImpl.checkAccess().
      * The kind of access is retained for an exception if one is thrown.
      */
+    @SuppressWarnings("serial") // Externalizable class w/o no-arg c'tor
     static class SameHostOnlyServerRef extends UnicastServerRef {
         private static final long serialVersionUID = 1234L;
         private String accessKind;      // an exception message
@@ -873,7 +877,9 @@
         ActivationGroupDesc desc = null;
         ActivationGroupID groupID = null;
         long incarnation = 0;
+        @SuppressWarnings("serial") // Conditionally serializable
         Map<ActivationID,ObjectEntry> objects = new HashMap<>();
+        @SuppressWarnings("serial") // Conditionally serializable
         Set<ActivationID> restartSet = new HashSet<>();
 
         transient ActivationInstantiator group = null;
--- a/src/java.rmi/share/classes/sun/rmi/server/ActivationGroupImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/sun/rmi/server/ActivationGroupImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -69,6 +69,7 @@
         new Hashtable<>();
     private boolean groupInactive = false;
     private final ActivationGroupID groupID;
+    @SuppressWarnings("serial")  // Conditionally serializable
     private final List<ActivationID> lockedIDs = new ArrayList<>();
 
     /**
--- a/src/java.rmi/share/classes/sun/rmi/transport/DGCImpl_Skel.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/sun/rmi/transport/DGCImpl_Skel.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,8 @@
 
 package sun.rmi.transport;
 
+import java.io.IOException;
+
 /**
  * Skeleton to dispatch DGC methods.
  * Originally generated by RMIC but frozen to match the stubs.
@@ -43,12 +45,13 @@
         return operations.clone();
     }
 
-    public void dispatch(java.rmi.Remote obj, java.rmi.server.RemoteCall call, int opnum, long hash)
+    public void dispatch(java.rmi.Remote obj, java.rmi.server.RemoteCall remoteCall, int opnum, long hash)
             throws java.lang.Exception {
         if (hash != interfaceHash)
             throw new java.rmi.server.SkeletonMismatchException("interface hash mismatch");
 
         sun.rmi.transport.DGCImpl server = (sun.rmi.transport.DGCImpl) obj;
+        StreamRemoteCall call = (StreamRemoteCall) remoteCall;
         switch (opnum) {
             case 0: // clean(ObjID[], long, VMID, boolean)
             {
@@ -62,9 +65,8 @@
                     $param_long_2 = in.readLong();
                     $param_VMID_3 = (java.rmi.dgc.VMID) in.readObject();
                     $param_boolean_4 = in.readBoolean();
-                } catch (java.io.IOException e) {
-                    throw new java.rmi.UnmarshalException("error unmarshalling arguments", e);
-                } catch (java.lang.ClassNotFoundException e) {
+                } catch (ClassCastException | IOException | ClassNotFoundException e) {
+                    call.discardPendingRefs();
                     throw new java.rmi.UnmarshalException("error unmarshalling arguments", e);
                 } finally {
                     call.releaseInputStream();
@@ -88,9 +90,8 @@
                     $param_arrayOf_ObjID_1 = (java.rmi.server.ObjID[]) in.readObject();
                     $param_long_2 = in.readLong();
                     $param_Lease_3 = (java.rmi.dgc.Lease) in.readObject();
-                } catch (java.io.IOException e) {
-                    throw new java.rmi.UnmarshalException("error unmarshalling arguments", e);
-                } catch (java.lang.ClassNotFoundException e) {
+                } catch (ClassCastException | IOException | ClassNotFoundException e) {
+                    call.discardPendingRefs();
                     throw new java.rmi.UnmarshalException("error unmarshalling arguments", e);
                 } finally {
                     call.releaseInputStream();
--- a/src/java.rmi/share/classes/sun/rmi/transport/DGCImpl_Stub.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/sun/rmi/transport/DGCImpl_Stub.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,16 +25,17 @@
 
 package sun.rmi.transport;
 
+import sun.rmi.transport.tcp.TCPConnection;
+
+import java.io.IOException;
 import java.io.ObjectInputFilter;
-import java.io.ObjectInputStream;
+import java.rmi.RemoteException;
 import java.rmi.dgc.Lease;
 import java.rmi.dgc.VMID;
 import java.rmi.server.UID;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
-
-import sun.rmi.server.UnicastRef;
-import sun.rmi.transport.tcp.TCPConnection;
+import java.util.ArrayList;
 
 /**
  * Stubs to invoke DGC remote methods.
@@ -72,7 +73,9 @@
     public void clean(java.rmi.server.ObjID[] $param_arrayOf_ObjID_1, long $param_long_2, java.rmi.dgc.VMID $param_VMID_3, boolean $param_boolean_4)
             throws java.rmi.RemoteException {
         try {
-            java.rmi.server.RemoteCall call = ref.newCall((java.rmi.server.RemoteObject) this, operations, 0, interfaceHash);
+            StreamRemoteCall call = (StreamRemoteCall)ref.newCall((java.rmi.server.RemoteObject) this,
+                    operations, 0, interfaceHash);
+            call.setObjectInputFilter(DGCImpl_Stub::leaseFilter);
             try {
                 java.io.ObjectOutput out = call.getOutputStream();
                 out.writeObject($param_arrayOf_ObjID_1);
@@ -97,7 +100,10 @@
     public java.rmi.dgc.Lease dirty(java.rmi.server.ObjID[] $param_arrayOf_ObjID_1, long $param_long_2, java.rmi.dgc.Lease $param_Lease_3)
             throws java.rmi.RemoteException {
         try {
-            java.rmi.server.RemoteCall call = ref.newCall((java.rmi.server.RemoteObject) this, operations, 1, interfaceHash);
+            StreamRemoteCall call =
+                    (StreamRemoteCall)ref.newCall((java.rmi.server.RemoteObject) this,
+                            operations, 1, interfaceHash);
+            call.setObjectInputFilter(DGCImpl_Stub::leaseFilter);
             try {
                 java.io.ObjectOutput out = call.getOutputStream();
                 out.writeObject($param_arrayOf_ObjID_1);
@@ -108,26 +114,16 @@
             }
             ref.invoke(call);
             java.rmi.dgc.Lease $result;
-            Connection connection = ((StreamRemoteCall) call).getConnection();
+            Connection connection = call.getConnection();
             try {
                 java.io.ObjectInput in = call.getInputStream();
-
-                if (in instanceof ObjectInputStream) {
-                    /**
-                     * Set a filter on the stream for the return value.
-                     */
-                    ObjectInputStream ois = (ObjectInputStream) in;
-                    AccessController.doPrivileged((PrivilegedAction<Void>)() -> {
-                        ois.setObjectInputFilter(DGCImpl_Stub::leaseFilter);
-                        return null;
-                    });
-                }
                 $result = (java.rmi.dgc.Lease) in.readObject();
-            } catch (java.io.IOException | java.lang.ClassNotFoundException e) {
+            } catch (ClassCastException | IOException | ClassNotFoundException e) {
                 if (connection instanceof TCPConnection) {
                     // Modified to prevent re-use of the connection after an exception
                     ((TCPConnection) connection).getChannel().free(connection, false);
                 }
+                call.discardPendingRefs();
                 throw new java.rmi.UnmarshalException("error unmarshalling return", e);
             } finally {
                 ref.done(call);
@@ -146,6 +142,11 @@
      * ObjectInputFilter to filter DGCClient return value (a Lease).
      * The list of acceptable classes is very short and explicit.
      * The depth and array sizes are limited.
+     * <p>
+     * The filter must accept normal and exception returns.
+     * A DGC server may throw exceptions that may have a cause
+     * and suppressed exceptions.
+     * Only exceptions in {@code java.base} and {@code java.rmi} are allowed.
      *
      * @param filterInfo access to class, arrayLength, etc.
      * @return  {@link ObjectInputFilter.Status#ALLOWED} if allowed,
@@ -172,7 +173,14 @@
             }
             return (clazz == UID.class ||
                     clazz == VMID.class ||
-                    clazz == Lease.class)
+                    clazz == Lease.class ||
+                    (Throwable.class.isAssignableFrom(clazz) &&
+                            (Object.class.getModule() == clazz.getModule() ||
+                                    RemoteException.class.getModule() == clazz.getModule())) ||
+                    clazz == StackTraceElement.class ||
+                    clazz == ArrayList.class ||     // for suppressed exceptions, if any
+                    clazz == Object.class ||
+                    clazz.getName().equals("java.util.Collections$EmptyList"))
                     ? ObjectInputFilter.Status.ALLOWED
                     : ObjectInputFilter.Status.REJECTED;
         }
--- a/src/java.rmi/share/classes/sun/rmi/transport/StreamRemoteCall.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.rmi/share/classes/sun/rmi/transport/StreamRemoteCall.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,7 @@
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.io.ObjectInput;
+import java.io.ObjectInputFilter;
 import java.io.ObjectOutput;
 import java.io.StreamCorruptedException;
 import java.rmi.RemoteException;
@@ -36,6 +37,9 @@
 import java.rmi.UnmarshalException;
 import java.rmi.server.ObjID;
 import java.rmi.server.RemoteCall;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+
 import sun.rmi.runtime.Log;
 import sun.rmi.server.UnicastRef;
 import sun.rmi.transport.tcp.TCPEndpoint;
@@ -50,6 +54,7 @@
     private ConnectionInputStream in = null;
     private ConnectionOutputStream out = null;
     private Connection conn;
+    private ObjectInputFilter filter = null;
     private boolean resultStarted = false;
     private Exception serverException = null;
 
@@ -123,6 +128,13 @@
         }
     }
 
+    public void setObjectInputFilter(ObjectInputFilter filter) {
+        if (in != null) {
+            throw new IllegalStateException("set filter must occur before calling getInputStream");
+        }
+        this.filter = filter;
+    }
+
     /**
      * Get the InputStream the stub/skeleton should get results/arguments
      * from.
@@ -132,6 +144,12 @@
             Transport.transportLog.log(Log.VERBOSE, "getting input stream");
 
             in = new ConnectionInputStream(conn.getInputStream());
+            if (filter != null) {
+                AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
+                    in.setObjectInputFilter(filter);
+                    return null;
+                });
+            }
         }
         return in;
     }
@@ -251,6 +269,7 @@
             try {
                 ex = in.readObject();
             } catch (Exception e) {
+                discardPendingRefs();
                 throw new UnmarshalException("Error unmarshaling return", e);
             }
 
@@ -259,6 +278,7 @@
             if (ex instanceof Exception) {
                 exceptionReceivedFromServer((Exception) ex);
             } else {
+                discardPendingRefs();
                 throw new UnmarshalException("Return type not Exception");
             }
             // Exception is thrown before fallthrough can occur
--- a/src/java.security.jgss/macosx/native/libosxkrb5/nativeccache.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/macosx/native/libosxkrb5/nativeccache.c	Wed Oct 16 15:31:05 2019 +0200
@@ -247,6 +247,7 @@
 
     int netypes;
     jint *etypes = NULL;
+    int proxy_flag = 0;
 
     /* Initialize the Kerberos 5 context */
     err = krb5_init_context (&kcontext);
@@ -259,6 +260,48 @@
         err = krb5_cc_set_flags (kcontext, ccache, flags); /* turn off OPENCLOSE */
     }
 
+    // First round read. The proxy_impersonator config flag is not supported.
+    // This ccache will not be used if this flag exists.
+    if (!err) {
+        err = krb5_cc_start_seq_get (kcontext, ccache, &cursor);
+    }
+
+    if (!err) {
+        while ((err = krb5_cc_next_cred (kcontext, ccache, &cursor, &creds)) == 0) {
+            char *serverName = NULL;
+
+            if (!err) {
+                err = krb5_unparse_name (kcontext, creds.server, &serverName);
+                printiferr (err, "while unparsing server name");
+            }
+
+            if (!err) {
+                if (!strcmp(serverName, "krb5_ccache_conf_data/proxy_impersonator@X-CACHECONF:")) {
+                    proxy_flag = 1;
+                }
+            }
+
+            if (serverName != NULL) { krb5_free_unparsed_name (kcontext, serverName); }
+
+            krb5_free_cred_contents (kcontext, &creds);
+
+            if (proxy_flag) break;
+        }
+
+        if (err == KRB5_CC_END) { err = 0; }
+        printiferr (err, "while retrieving a ticket");
+    }
+
+    if (!err) {
+        err = krb5_cc_end_seq_get (kcontext, ccache, &cursor);
+        printiferr (err, "while finishing ticket retrieval");
+    }
+
+    if (proxy_flag) {
+        goto outer_cleanup;
+    }
+    // End of first round read
+
     if (!err) {
         err = krb5_cc_start_seq_get (kcontext, ccache, &cursor);
     }
@@ -388,6 +431,7 @@
         printiferr (err, "while finishing ticket retrieval");
     }
 
+outer_cleanup:
     if (!err) {
         flags = KRB5_TC_OPENCLOSE; /* restore OPENCLOSE mode */
         err = krb5_cc_set_flags (kcontext, ccache, flags);
--- a/src/java.security.jgss/share/classes/javax/security/auth/kerberos/JavaxSecurityAuthKerberosAccessImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/javax/security/auth/kerberos/JavaxSecurityAuthKerberosAccessImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -49,4 +49,12 @@
     public void kerberosTicketSetServerAlias(KerberosTicket t, KerberosPrincipal a) {
         t.serverAlias = a;
     }
+
+    public KerberosTicket kerberosTicketGetProxy(KerberosTicket t) {
+        return t.proxy;
+    }
+
+    public void kerberosTicketSetProxy(KerberosTicket t, KerberosTicket p) {
+        t.proxy = p;
+    }
 }
--- a/src/java.security.jgss/share/classes/javax/security/auth/kerberos/KerberosTicket.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/javax/security/auth/kerberos/KerberosTicket.java	Wed Oct 16 15:31:05 2019 +0200
@@ -29,11 +29,13 @@
 import java.util.Date;
 import java.util.Arrays;
 import java.net.InetAddress;
+import java.util.Objects;
 import javax.crypto.SecretKey;
 import javax.security.auth.Refreshable;
 import javax.security.auth.Destroyable;
 import javax.security.auth.RefreshFailedException;
 import javax.security.auth.DestroyFailedException;
+
 import sun.security.util.HexDumpEncoder;
 
 /**
@@ -190,8 +192,13 @@
      * @serial
      */
 
+    private InetAddress[] clientAddresses;
 
-    private InetAddress[] clientAddresses;
+    /**
+     * Evidence ticket if proxy_impersonator. This field can be accessed
+     * by KerberosSecrets. It's serialized.
+     */
+    KerberosTicket proxy = null;
 
     private transient boolean destroyed = false;
 
@@ -711,6 +718,7 @@
                 "Renew Till = " + String.valueOf(renewTill) + "\n" +
                 "Client Addresses " +
                 (clientAddresses == null ? " Null " : caddrString.toString() +
+                (proxy == null ? "" : "\nwith a proxy ticket") +
                 "\n"));
     }
 
@@ -748,6 +756,10 @@
 
         // clientAddress may be null, the array's hashCode is 0
         result = result * 37 + Arrays.hashCode(clientAddresses);
+
+        if (proxy != null) {
+            result = result * 37 + proxy.hashCode();
+        }
         return result * 37 + Arrays.hashCode(flags);
     }
 
@@ -820,6 +832,10 @@
             }
         }
 
+        if (!Objects.equals(proxy, otherTicket.proxy)) {
+            return false;
+        }
+
         return true;
     }
 
--- a/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5Context.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5Context.java	Wed Oct 16 15:31:05 2019 +0200
@@ -617,6 +617,8 @@
                     if (myCred == null) {
                         myCred = Krb5InitCredential.getInstance(caller, myName,
                                               GSSCredential.DEFAULT_LIFETIME);
+                        myCred = Krb5ProxyCredential.tryImpersonation(
+                                caller, (Krb5InitCredential)myCred);
                     } else if (!myCred.isInitiatorCredential()) {
                         throw new GSSException(errorCode, -1,
                                            "No TGT available");
@@ -653,8 +655,8 @@
                                     // highly consider just calling:
                                     // Subject.getSubject
                                     // SubjectComber.find
-                                    // instead of Krb5Util.getTicket
-                                    return Krb5Util.getTicket(
+                                    // instead of Krb5Util.getServiceTicket
+                                    return Krb5Util.getServiceTicket(
                                         GSSCaller.CALLER_UNKNOWN,
                                         // since it's useSubjectCredsOnly here,
                                         // don't worry about the null
@@ -1391,6 +1393,7 @@
     static class KerberosSessionKey implements Key {
         private static final long serialVersionUID = 699307378954123869L;
 
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         private final EncryptionKey key;
 
         KerberosSessionKey(EncryptionKey key) {
--- a/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5InitCredential.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5InitCredential.java	Wed Oct 16 15:31:05 2019 +0200
@@ -53,8 +53,11 @@
 
     private static final long serialVersionUID = 7723415700837898232L;
 
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Krb5NameElement name;
+    @SuppressWarnings("serial") // Not statically typed as Serializable
     private Credentials krb5Credentials;
+    public KerberosTicket proxyTicket;
 
     private Krb5InitCredential(Krb5NameElement name,
                                byte[] asn1Encoding,
@@ -173,7 +176,7 @@
         KerberosPrincipal serverAlias = KerberosSecrets
                 .getJavaxSecurityAuthKerberosAccess()
                 .kerberosTicketGetServerAlias(tgt);
-        return new Krb5InitCredential(name,
+        Krb5InitCredential result = new Krb5InitCredential(name,
                                       tgt.getEncoded(),
                                       tgt.getClient(),
                                       clientAlias,
@@ -187,6 +190,9 @@
                                       tgt.getEndTime(),
                                       tgt.getRenewTill(),
                                       tgt.getClientAddresses());
+        result.proxyTicket = KerberosSecrets.getJavaxSecurityAuthKerberosAccess().
+            kerberosTicketGetProxy(tgt);
+        return result;
     }
 
     static Krb5InitCredential getInstance(Krb5NameElement name,
@@ -369,9 +375,9 @@
                 public KerberosTicket run() throws Exception {
                     // It's OK to use null as serverPrincipal. TGT is almost
                     // the first ticket for a principal and we use list.
-                    return Krb5Util.getTicket(
+                    return Krb5Util.getInitialTicket(
                         realCaller,
-                        clientPrincipal, null, acc);
+                        clientPrincipal, acc);
                         }});
         } catch (PrivilegedActionException e) {
             GSSException ge =
--- a/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5MechFactory.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5MechFactory.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -124,6 +124,8 @@
                 usage == GSSCredential.INITIATE_AND_ACCEPT) {
                 credElement = Krb5InitCredential.getInstance
                     (caller, (Krb5NameElement) name, initLifetime);
+                credElement = Krb5ProxyCredential.tryImpersonation(
+                        caller, (Krb5InitCredential)credElement);
                 checkInitCredPermission
                     ((Krb5NameElement) credElement.getName());
             } else if (usage == GSSCredential.ACCEPT_ONLY) {
--- a/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5NameElement.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5NameElement.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -144,7 +144,7 @@
         return new Krb5NameElement(principalName, gssNameStr, gssNameType);
     }
 
-    static Krb5NameElement getInstance(PrincipalName principalName) {
+    public static Krb5NameElement getInstance(PrincipalName principalName) {
         return new Krb5NameElement(principalName,
                                    principalName.getName(),
                                    Krb5MechFactory.NT_GSS_KRB5_PRINCIPAL);
--- a/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5ProxyCredential.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5ProxyCredential.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,10 +26,17 @@
 package sun.security.jgss.krb5;
 
 import org.ietf.jgss.*;
+import sun.security.jgss.GSSCaller;
 import sun.security.jgss.spi.*;
-import java.util.Date;
+
+import java.io.IOException;
+
+import sun.security.krb5.Credentials;
+import sun.security.krb5.KrbException;
 import sun.security.krb5.internal.Ticket;
 
+import javax.security.auth.kerberos.KerberosTicket;
+
 /**
  * Implements the krb5 proxy credential element used in constrained
  * delegation. It is used in both impersonation (where there is no Kerberos 5
@@ -112,4 +119,24 @@
         throw new GSSException(GSSException.FAILURE, -1,
                 "Only an initiate credentials can impersonate");
     }
+
+    // Try to see if a default credential should act as an impersonator.
+    static Krb5CredElement tryImpersonation(GSSCaller caller,
+            Krb5InitCredential initiator) throws GSSException {
+
+        try {
+            KerberosTicket proxy = initiator.proxyTicket;
+            if (proxy != null) {
+                Credentials proxyCreds = Krb5Util.ticketToCreds(proxy);
+                return new Krb5ProxyCredential(initiator,
+                        Krb5NameElement.getInstance(proxyCreds.getClient()),
+                        proxyCreds.getTicket());
+            } else {
+                return initiator;
+            }
+        } catch (KrbException | IOException e) {
+            throw new GSSException(GSSException.DEFECTIVE_CREDENTIAL, -1,
+                    "Cannot create proxy credential");
+        }
+    }
 }
--- a/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5Util.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/jgss/krb5/Krb5Util.java	Wed Oct 16 15:31:05 2019 +0200
@@ -60,11 +60,8 @@
     /**
      * Retrieves the ticket corresponding to the client/server principal
      * pair from the Subject in the specified AccessControlContext.
-     * If the ticket can not be found in the Subject, and if
-     * useSubjectCredsOnly is false, then obtain ticket from
-     * a LoginContext.
      */
-    static KerberosTicket getTicket(GSSCaller caller,
+    static KerberosTicket getServiceTicket(GSSCaller caller,
         String clientPrincipal, String serverPrincipal,
         AccessControlContext acc) throws LoginException {
 
@@ -74,11 +71,31 @@
             SubjectComber.find(accSubj, serverPrincipal, clientPrincipal,
                   KerberosTicket.class);
 
+        return ticket;
+    }
+
+    /**
+     * Retrieves the initial TGT corresponding to the client principal
+     * from the Subject in the specified AccessControlContext.
+     * If the ticket can not be found in the Subject, and if
+     * useSubjectCredsOnly is false, then obtain ticket from
+     * a LoginContext.
+     */
+    static KerberosTicket getInitialTicket(GSSCaller caller,
+            String clientPrincipal,
+            AccessControlContext acc) throws LoginException {
+
+        // Try to get ticket from acc's Subject
+        Subject accSubj = Subject.getSubject(acc);
+        KerberosTicket ticket =
+                SubjectComber.find(accSubj, null, clientPrincipal,
+                        KerberosTicket.class);
+
         // Try to get ticket from Subject obtained from GSSUtil
         if (ticket == null && !GSSUtil.useSubjectCredsOnly(caller)) {
             Subject subject = GSSUtil.login(caller, GSSUtil.GSS_KRB5_MECH_OID);
             ticket = SubjectComber.find(subject,
-                serverPrincipal, clientPrincipal, KerberosTicket.class);
+                    null, clientPrincipal, KerberosTicket.class);
         }
         return ticket;
     }
--- a/src/java.security.jgss/share/classes/sun/security/krb5/Credentials.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/Credentials.java	Wed Oct 16 15:31:05 2019 +0200
@@ -59,13 +59,23 @@
     KerberosTime endTime;
     KerberosTime renewTill;
     HostAddresses cAddr;
-    EncryptionKey serviceKey;
     AuthorizationData authzData;
     private static boolean DEBUG = Krb5.DEBUG;
     private static CredentialsCache cache;
     static boolean alreadyLoaded = false;
     private static boolean alreadyTried = false;
 
+    private Credentials proxy = null;
+
+    public Credentials getProxy() {
+        return proxy;
+    }
+
+    public Credentials setProxy(Credentials proxy) {
+        this.proxy = proxy;
+        return this;
+    }
+
     // Read native ticket with session key type in the given list
     private static native Credentials acquireDefaultNativeCreds(int[] eTypes);
 
@@ -361,20 +371,19 @@
             return null;
         }
 
-        sun.security.krb5.internal.ccache.Credentials tgtCred  =
-            ccache.getDefaultCreds();
+        Credentials tgtCred = ccache.getInitialCreds();
 
         if (tgtCred == null) {
             return null;
         }
 
-        if (EType.isSupported(tgtCred.getEType())) {
-            return tgtCred.setKrbCreds();
+        if (EType.isSupported(tgtCred.key.getEType())) {
+            return tgtCred;
         } else {
             if (DEBUG) {
                 System.out.println(
                     ">>> unsupported key type found the default TGT: " +
-                    tgtCred.getEType());
+                    tgtCred.key.getEType());
             }
             return null;
         }
@@ -409,20 +418,19 @@
             cache = CredentialsCache.getInstance();
         }
         if (cache != null) {
-            sun.security.krb5.internal.ccache.Credentials temp =
-                cache.getDefaultCreds();
+            Credentials temp = cache.getInitialCreds();
             if (temp != null) {
                 if (DEBUG) {
                     System.out.println(">>> KrbCreds found the default ticket"
                             + " granting ticket in credential cache.");
                 }
-                if (EType.isSupported(temp.getEType())) {
-                    result = temp.setKrbCreds();
+                if (EType.isSupported(temp.key.getEType())) {
+                    result = temp;
                 } else {
                     if (DEBUG) {
                         System.out.println(
                             ">>> unsupported key type found the default TGT: " +
-                            temp.getEType());
+                            temp.key.getEType());
                     }
                 }
             }
@@ -499,10 +507,6 @@
         return cache;
     }
 
-    public EncryptionKey getServiceKey() {
-        return serviceKey;
-    }
-
     /*
      * Prints out debug info.
      */
--- a/src/java.security.jgss/share/classes/sun/security/krb5/JavaxSecurityAuthKerberosAccess.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/JavaxSecurityAuthKerberosAccess.java	Wed Oct 16 15:31:05 2019 +0200
@@ -28,8 +28,6 @@
 import javax.security.auth.kerberos.KerberosPrincipal;
 import javax.security.auth.kerberos.KerberosTicket;
 import javax.security.auth.kerberos.KeyTab;
-import sun.security.krb5.EncryptionKey;
-import sun.security.krb5.PrincipalName;
 
 /**
  * An unsafe tunnel to get non-public access to classes in the
@@ -49,4 +47,13 @@
     public KerberosPrincipal kerberosTicketGetServerAlias(KerberosTicket t);
 
     public void kerberosTicketSetServerAlias(KerberosTicket t, KerberosPrincipal a);
+    /**
+     * Returns the proxy for a KerberosTicket.
+     */
+    public KerberosTicket kerberosTicketGetProxy(KerberosTicket t);
+
+    /**
+     * Sets the proxy for a KerberosTicket.
+     */
+    public void kerberosTicketSetProxy(KerberosTicket t, KerberosTicket p);
 }
--- a/src/java.security.jgss/share/classes/sun/security/krb5/Realm.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/Realm.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -186,7 +186,6 @@
             return false;
         for (int i = 0; i < name.length(); i++) {
             if (name.charAt(i) == '/' ||
-                name.charAt(i) == ':' ||
                 name.charAt(i) == '\0') {
                 return false;
             }
--- a/src/java.security.jgss/share/classes/sun/security/krb5/internal/KRBError.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/internal/KRBError.java	Wed Oct 16 15:31:05 2019 +0200
@@ -79,7 +79,9 @@
  * <a href="http://www.ietf.org/rfc/rfc4120.txt">
  * http://www.ietf.org/rfc/rfc4120.txt</a>.
  */
-
+// The instance fields not statically typed as Serializable are ASN.1
+// encoded and written by the writeObject method.
+@SuppressWarnings("serial")
 public class KRBError implements java.io.Serializable {
     static final long serialVersionUID = 3643809337475284503L;
 
--- a/src/java.security.jgss/share/classes/sun/security/krb5/internal/ccache/CCacheInputStream.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/internal/ccache/CCacheInputStream.java	Wed Oct 16 15:31:05 2019 +0200
@@ -325,16 +325,13 @@
     }
 
     /**
-     * Reads the next cred in stream.
-     * @return the next cred, null if ticket or second_ticket unparseable.
+     * Reads the next cred or config entry in stream.
+     * @return the next cred or config entry, null if data unparseable.
      *
-     * Note: MIT krb5 1.8.1 might generate a config entry with server principal
-     * X-CACHECONF:/krb5_ccache_conf_data/fast_avail/krbtgt/REALM@REALM. The
-     * entry is used by KDC to inform the client that it support certain
-     * features. Its ticket is not a valid krb5 ticket and thus this method
-     * returns null.
+     * When data is unparseable, this method makes sure the correct number of
+     * bytes are consumed so it's safe to start reading the next element.
      */
-    Credentials readCred(int version) throws IOException,RealmException, KrbApErrException, Asn1Exception {
+    Object readCred(int version) throws IOException,RealmException, KrbApErrException, Asn1Exception {
         PrincipalName cpname = null;
         try {
             cpname = readPrincipal(version);
@@ -396,12 +393,23 @@
         }
 
         try {
+            if (spname.getRealmString().equals("X-CACHECONF:")) {
+                String[] nameParts = spname.getNameStrings();
+                if (nameParts[0].equals("krb5_ccache_conf_data")) {
+                    return new CredentialsCache.ConfigEntry(nameParts[1],
+                            nameParts.length > 2 ? new PrincipalName(nameParts[2]) : null,
+                            ticketData);
+                }
+            }
             return new Credentials(cpname, spname, key, authtime, starttime,
-                endtime, renewTill, skey, tFlags,
-                addrs, auData,
-                ticketData != null ? new Ticket(ticketData) : null,
-                ticketData2 != null ? new Ticket(ticketData2) : null);
+                    endtime, renewTill, skey, tFlags,
+                    addrs, auData,
+                    ticketData != null ? new Ticket(ticketData) : null,
+                    ticketData2 != null ? new Ticket(ticketData2) : null);
         } catch (Exception e) {     // If any of new Ticket(*) fails.
+            if (DEBUG) {
+                e.printStackTrace(System.out);
+            }
             return null;
         }
     }
--- a/src/java.security.jgss/share/classes/sun/security/krb5/internal/ccache/CCacheOutputStream.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/internal/ccache/CCacheOutputStream.java	Wed Oct 16 15:31:05 2019 +0200
@@ -31,7 +31,6 @@
 package sun.security.krb5.internal.ccache;
 
 import java.io.IOException;
-import java.io.FileOutputStream;
 import java.io.OutputStream;
 import sun.security.krb5.internal.util.KrbDataOutputStream;
 import sun.security.krb5.*;
@@ -98,6 +97,21 @@
         writeTicket(creds.secondTicket);
     }
 
+    public void addConfigEntry(PrincipalName cname, CredentialsCache.ConfigEntry e)
+            throws IOException {
+        cname.writePrincipal(this);
+        e.getSName().writePrincipal(this);
+        write16(0); write16(0); write32(0);
+        write32(0); write32(0); write32(0); write32(0);
+        write8(0);
+        write32(0);
+        write32(0);
+        write32(0);
+        write32(e.getData().length);
+        write(e.getData());
+        write32(0);
+    }
+
     void writeTicket(Ticket t) throws IOException, Asn1Exception {
         if (t == null) {
             write32(0);
--- a/src/java.security.jgss/share/classes/sun/security/krb5/internal/ccache/Credentials.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/internal/ccache/Credentials.java	Wed Oct 16 15:31:05 2019 +0200
@@ -169,6 +169,18 @@
         return sname;
     }
 
+    public Ticket getTicket() throws RealmException {
+        return ticket;
+    }
+
+    public PrincipalName getServicePrincipal2() throws RealmException {
+        return secondTicket == null ? null : secondTicket.sname;
+    }
+
+    public PrincipalName getClientPrincipal() throws RealmException {
+        return cname;
+    }
+
     public sun.security.krb5.Credentials setKrbCreds() {
         // Note: We will not pass authorizationData to s.s.k.Credentials. The
         // field in that class will be passed to Krb5Context as the return
@@ -209,7 +221,15 @@
         return key.getEType();
     }
 
+    public EncryptionKey getKey() {
+        return key;
+    }
+
     public int getTktEType() {
         return ticket.encPart.getEType();
     }
+
+    public int getTktEType2() {
+        return (secondTicket == null) ? 0 : secondTicket.encPart.getEType();
+    }
 }
--- a/src/java.security.jgss/share/classes/sun/security/krb5/internal/ccache/CredentialsCache.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/internal/ccache/CredentialsCache.java	Wed Oct 16 15:31:05 2019 +0200
@@ -32,14 +32,9 @@
 
 import sun.security.krb5.*;
 import sun.security.krb5.internal.*;
-import java.util.StringTokenizer;
-import java.util.Vector;
+
+import java.util.List;
 import java.io.IOException;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.BufferedReader;
-import java.io.InputStreamReader;
 
 /**
  * CredentialsCache stores credentials(tickets, session keys, etc) in a semi-permanent store
@@ -120,6 +115,62 @@
     public abstract void save() throws IOException, KrbException;
     public abstract Credentials[] getCredsList();
     public abstract Credentials getDefaultCreds();
+    public abstract sun.security.krb5.Credentials getInitialCreds();
     public abstract Credentials getCreds(PrincipalName sname);
     public abstract Credentials getCreds(LoginOptions options, PrincipalName sname);
+    public abstract void addConfigEntry(ConfigEntry e);
+    public abstract List<ConfigEntry> getConfigEntries();
+
+    public ConfigEntry getConfigEntry(String name) {
+        List<ConfigEntry> entries = getConfigEntries();
+        if (entries != null) {
+            for (ConfigEntry e : entries) {
+                if (e.getName().equals(name)) {
+                    return e;
+                }
+            }
+        }
+        return null;
+    }
+
+    public static class ConfigEntry {
+
+        public ConfigEntry(String name, PrincipalName princ, byte[] data) {
+            this.name = name;
+            this.princ = princ;
+            this.data = data;
+        }
+
+        private final String name;
+        private final PrincipalName princ;
+        private final byte[] data; // not worth cloning
+
+        public String getName() {
+            return name;
+        }
+
+        public PrincipalName getPrinc() {
+            return princ;
+        }
+
+        public byte[] getData() {
+            return data;
+        }
+
+        @Override
+        public String toString() {
+            return name + (princ != null ? ("." + princ) : "")
+                    + ": " + new String(data);
+        }
+
+        public PrincipalName getSName() {
+            try {
+                return new PrincipalName("krb5_ccache_conf_data/" + name
+                        + (princ != null ? ("/" + princ) : "")
+                        + "@X-CACHECONF:");
+            } catch (RealmException e) {
+                throw new AssertionError(e);
+            }
+        }
+    }
 }
--- a/src/java.security.jgss/share/classes/sun/security/krb5/internal/ccache/FileCredentialsCache.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/internal/ccache/FileCredentialsCache.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,6 +36,12 @@
 import sun.security.action.GetPropertyAction;
 import sun.security.krb5.*;
 import sun.security.krb5.internal.*;
+import sun.security.util.SecurityProperties;
+
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
 import java.util.StringTokenizer;
 import java.util.Vector;
 import java.io.IOException;
@@ -182,9 +188,13 @@
                 primaryPrincipal = p;
             credentialsList = new Vector<Credentials>();
             while (cis.available() > 0) {
-                Credentials cred = cis.readCred(version);
+                Object cred = cis.readCred(version);
                 if (cred != null) {
-                    credentialsList.addElement(cred);
+                    if (cred instanceof Credentials) {
+                        credentialsList.addElement((Credentials)cred);
+                    } else {
+                        addConfigEntry((CredentialsCache.ConfigEntry)cred);
+                    }
                 }
             }
         }
@@ -255,6 +265,9 @@
                     cos.addCreds(tmp[i]);
                 }
             }
+            for (ConfigEntry e : getConfigEntries()) {
+                cos.addConfigEntry(primaryPrincipal, e);
+            }
         }
     }
 
@@ -307,6 +320,17 @@
         }
     }
 
+    private List<ConfigEntry> configEntries = new ArrayList<>();
+
+    @Override
+    public void addConfigEntry(ConfigEntry e) {
+        configEntries.add(e);
+    }
+
+    @Override
+    public List<ConfigEntry> getConfigEntries() {
+        return Collections.unmodifiableList(configEntries);
+    }
 
     /**
      * Gets a credentials for a specified service.
@@ -326,6 +350,81 @@
         return null;
     }
 
+    public sun.security.krb5.Credentials getInitialCreds() {
+
+        Credentials defaultCreds = getDefaultCreds();
+        if (defaultCreds == null) {
+            return null;
+        }
+        sun.security.krb5.Credentials tgt = defaultCreds.setKrbCreds();
+
+        CredentialsCache.ConfigEntry entry = getConfigEntry("proxy_impersonator");
+        if (entry == null) {
+            if (DEBUG) {
+                System.out.println("get normal credential");
+            }
+            return tgt;
+        }
+
+        boolean force;
+        String prop = SecurityProperties.privilegedGetOverridable(
+                "jdk.security.krb5.default.initiate.credential");
+        if (prop == null) {
+            prop = "always-impersonate";
+        }
+        switch (prop) {
+            case "no-impersonate": // never try impersonation
+                if (DEBUG) {
+                    System.out.println("get normal credential");
+                }
+                return tgt;
+            case "try-impersonate":
+                force = false;
+                break;
+            case "always-impersonate":
+                force = true;
+                break;
+            default:
+                throw new RuntimeException(
+                        "Invalid jdk.security.krb5.default.initiate.credential");
+        }
+
+        try {
+            PrincipalName service = new PrincipalName(
+                    new String(entry.getData(), StandardCharsets.UTF_8));
+            if (!tgt.getClient().equals(service)) {
+                if (DEBUG) {
+                    System.out.println("proxy_impersonator does not match service name");
+                }
+                return force ? null : tgt;
+            }
+            PrincipalName client = getPrimaryPrincipal();
+            Credentials proxy = null;
+            for (Credentials c : getCredsList()) {
+                if (c.getClientPrincipal().equals(client)
+                        && c.getServicePrincipal().equals(service)) {
+                    proxy = c;
+                    break;
+                }
+            }
+            if (proxy == null) {
+                if (DEBUG) {
+                    System.out.println("Cannot find evidence ticket in ccache");
+                }
+                return force ? null : tgt;
+            }
+            if (DEBUG) {
+                System.out.println("Get proxied credential");
+            }
+            return tgt.setProxy(proxy.setKrbCreds());
+        } catch (KrbException e) {
+            if (DEBUG) {
+                System.out.println("Impersonation with ccache failed");
+            }
+            return force ? null : tgt;
+        }
+    }
+
     public Credentials getDefaultCreds() {
         Credentials[] list = getCredsList();
         if (list == null) {
--- a/src/java.security.jgss/windows/classes/sun/security/krb5/internal/tools/Klist.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.security.jgss/windows/classes/sun/security/krb5/internal/tools/Klist.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,8 @@
 package sun.security.krb5.internal.tools;
 
 import java.net.InetAddress;
+import java.util.List;
+
 import sun.security.krb5.*;
 import sun.security.krb5.internal.*;
 import sun.security.krb5.internal.ccache.*;
@@ -249,6 +251,8 @@
                     String endtime;
                     String renewTill;
                     String servicePrincipal;
+                    PrincipalName servicePrincipal2;
+                    String clientPrincipal;
                     if (creds[i].getStartTime() != null) {
                         starttime = format(creds[i].getStartTime());
                     } else {
@@ -260,6 +264,18 @@
                     System.out.println("[" + (i + 1) + "] " +
                                        " Service Principal:  " +
                                        servicePrincipal);
+                    servicePrincipal2 =
+                            creds[i].getServicePrincipal2();
+                    if (servicePrincipal2 != null) {
+                        System.out.println("     Second Service:     "
+                                + servicePrincipal2);
+                    }
+                    clientPrincipal =
+                            creds[i].getClientPrincipal().toString();
+                    if (!clientPrincipal.equals(defaultPrincipal)) {
+                        System.out.println("     Client Principal:   " +
+                                clientPrincipal);
+                    }
                     System.out.println("     Valid starting:     " + starttime);
                     System.out.println("     Expires:            " + endtime);
                     if (creds[i].getRenewTill() != null) {
@@ -270,8 +286,15 @@
                     if (options[0] == 'e') {
                         String eskey = EType.toString(creds[i].getEType());
                         String etkt = EType.toString(creds[i].getTktEType());
-                        System.out.println("     EType (skey, tkt):  "
-                                + eskey + ", " + etkt);
+                        if (creds[i].getTktEType2() == 0) {
+                            System.out.println("     EType (skey, tkt):  "
+                                    + eskey + ", " + etkt);
+                        } else {
+                            String etkt2 = EType.toString(creds[i].getTktEType2());
+                            System.out.println("     EType (skey, tkts): "
+                                    + eskey + ", " + etkt
+                                    + ", " + etkt2);
+                        }
                     }
                     if (options[1] == 'f') {
                         System.out.println("     Flags:              " +
@@ -310,6 +333,15 @@
         } else {
             System.out.println("\nNo entries found.");
         }
+
+        List<CredentialsCache.ConfigEntry> configEntries
+                = cache.getConfigEntries();
+        if (configEntries != null && !configEntries.isEmpty()) {
+            System.out.println("\nConfig entries:");
+            for (CredentialsCache.ConfigEntry e : configEntries) {
+                System.out.println("     " + e);
+            }
+        }
     }
 
     void displayMessage(String target) {
--- a/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/XPath.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/XPath.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
@@ -40,7 +40,7 @@
  * The XPath class wraps an expression object and provides general services
  * for execution of that expression.
  * @xsl.usage advanced
- * @LastModified: Oct 2017
+ * @LastModified: May 2019
  */
 public class XPath implements Serializable, ExpressionOwner
 {
@@ -179,10 +179,12 @@
     else if (MATCH == type)
       parser.initMatchPattern(compiler, exprString, prefixResolver);
     else
-      throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_CANNOT_DEAL_XPATH_TYPE, new Object[]{Integer.toString(type)})); //"Can not deal with XPath type: " + type);
+      throw new RuntimeException(XSLMessages.createXPATHMessage(
+              XPATHErrorResources.ER_CANNOT_DEAL_XPATH_TYPE,
+              new Object[]{Integer.toString(type)}));
 
     // System.out.println("----------------");
-    Expression expr = compiler.compile(0);
+    Expression expr = compiler.compileExpression(0);
 
     // System.out.println("expr: "+expr);
     this.setExpression(expr);
@@ -234,7 +236,7 @@
             //"Can not deal with XPath type: " + type);
 
     // System.out.println("----------------");
-    Expression expr = compiler.compile(0);
+    Expression expr = compiler.compileExpression(0);
 
     // System.out.println("expr: "+expr);
     this.setExpression(expr);
--- a/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/axes/FilterExprWalker.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/axes/FilterExprWalker.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
@@ -37,7 +37,7 @@
  * Walker for the OP_VARIABLE, or OP_EXTFUNCTION, or OP_FUNCTION, or OP_GROUP,
  * op codes.
  * @see <a href="http://www.w3.org/TR/xpath#NT-FilterExpr">XPath FilterExpr descriptions</a>
- * @LastModified: Oct 2017
+ * @LastModified: May 2019
  */
 public class FilterExprWalker extends AxesWalker
 {
@@ -77,7 +77,7 @@
         m_mustHardReset = true;
     case OpCodes.OP_GROUP :
     case OpCodes.OP_VARIABLE :
-      m_expr = compiler.compile(opPos);
+      m_expr = compiler.compileExpression(opPos);
       m_expr.exprSetParent(this);
       //if((OpCodes.OP_FUNCTION == stepType) && (m_expr instanceof com.sun.org.apache.xalan.internal.templates.FuncKey))
       if(m_expr instanceof com.sun.org.apache.xpath.internal.operations.Variable)
@@ -87,7 +87,7 @@
       }
       break;
     default :
-      m_expr = compiler.compile(opPos + 2);
+      m_expr = compiler.compileExpression(opPos + 2);
       m_expr.exprSetParent(this);
     }
 //    if(m_expr instanceof WalkingIterator)
--- a/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/axes/WalkerFactory.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/axes/WalkerFactory.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
@@ -41,7 +41,7 @@
  * which are built from the opcode map output, and an analysis engine
  * for the location path expressions in order to provide optimization hints.
  *
- * @LastModified: Oct 2017
+ * @LastModified: May 2019
  */
 public class WalkerFactory
 {
@@ -1008,10 +1008,10 @@
       case OpCodes.OP_EXTFUNCTION :
       case OpCodes.OP_FUNCTION :
       case OpCodes.OP_GROUP :
-        expr = compiler.compile(opPos);
+        expr = compiler.compileExpression(opPos);
         break;
       default :
-        expr = compiler.compile(opPos + 2);
+        expr = compiler.compileExpression(opPos + 2);
       }
 
       axis = Axis.FILTEREDLIST;
--- a/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/Compiler.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/Compiler.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,6 +1,5 @@
 /*
- * reserved comment block
- * DO NOT REMOVE OR ALTER!
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
@@ -70,9 +69,12 @@
  * of operation codes (op map) and then builds from that into an Expression
  * tree.
  * @xsl.usage advanced
+ * @LastModified: May 2019
  */
 public class Compiler extends OpMap
 {
+  // count the number of operations or calls to compileOperation
+  int countOp;
 
   /**
    * Construct a Compiler object with a specific ErrorListener and
@@ -106,15 +108,40 @@
 
   /**
    * Execute the XPath object from a given opcode position.
+   *
+   * Note that this method is added so that when StackOverflowError is caught
+   * the address space can be freed to this point allowing further activities
+   * such as reporting the error.
+   *
    * @param opPos The current position in the xpath.m_opMap array.
    * @return The result of the XPath.
    *
    * @throws TransformerException if there is a syntax or other error.
    * @xsl.usage advanced
    */
-  public Expression compile(int opPos) throws TransformerException
+   public Expression compileExpression(int opPos) throws TransformerException
+   {
+       try {
+           countOp = 0;
+           return compile(opPos);
+       } catch (StackOverflowError sof) {
+           error(XPATHErrorResources.ER_COMPILATION_TOO_MANY_OPERATION, new Object[]{countOp});
+       }
+       return null;
+   }
+
+  /**
+   * This method handles the actual compilation process. It is called from the
+   * compileExpression method as well as the subsequent processes. See the note
+   * for compileExpression.
+   *
+   * @param opPos The current position in the xpath.m_opMap array.
+   * @return The result of the XPath.
+   *
+   * @throws TransformerException if there is a syntax or other error.
+   */
+  private Expression compile(int opPos) throws TransformerException
   {
-
     int op = getOp(opPos);
 
     Expression expr = null;
@@ -210,6 +237,7 @@
   private Expression compileOperation(Operation operation, int opPos)
           throws TransformerException
   {
+    ++countOp;
 
     int leftPos = getFirstChildPos(opPos);
     int rightPos = getNextOpPos(leftPos);
--- a/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/XPathParser.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/compiler/XPathParser.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
@@ -34,6 +34,7 @@
  * Tokenizes and parses XPath expressions. This should really be named
  * XPathParserImpl, and may be renamed in the future.
  * @xsl.usage general
+ * @LastModified: May 2019
  */
 public class XPathParser
 {
@@ -71,6 +72,9 @@
   protected final static int FILTER_MATCH_PRIMARY    = 1;
   protected final static int FILTER_MATCH_PREDICATES = 2;
 
+  // counts open predicates
+  private int countPredicate;
+
   /**
    * The parser constructor.
    */
@@ -157,6 +161,9 @@
           }
           else
                 throw e;
+    } catch (StackOverflowError sof) {
+        error(XPATHErrorResources.ER_PREDICATE_TOO_MANY_OPEN,
+              new Object[]{m_token, m_queueMark, countPredicate});
     }
 
     compiler.shrink();
@@ -190,7 +197,12 @@
     m_ops.setOp(OpMap.MAPINDEX_LENGTH, 2);
 
     nextToken();
-    Pattern();
+    try {
+        Pattern();
+    } catch (StackOverflowError sof) {
+        error(XPATHErrorResources.ER_PREDICATE_TOO_MANY_OPEN,
+              new Object[]{m_token, m_queueMark, countPredicate});
+    }
 
     if (null != m_token)
     {
@@ -741,7 +753,7 @@
    */
   protected void Expr() throws javax.xml.transform.TransformerException
   {
-    OrExpr();
+       OrExpr();
   }
 
   /**
@@ -1883,11 +1895,12 @@
    */
   protected void Predicate() throws javax.xml.transform.TransformerException
   {
-
     if (tokenIs('['))
     {
+      countPredicate++;
       nextToken();
       PredicateExpr();
+      countPredicate--;
       consumeExpected(']');
     }
   }
--- a/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/res/XPATHErrorResources.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/java.xml/share/classes/com/sun/org/apache/xpath/internal/res/XPATHErrorResources.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,6 +1,5 @@
 /*
- * reserved comment block
- * DO NOT REMOVE OR ALTER!
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
@@ -32,6 +31,7 @@
   * Also you need to  update the count of messages(MAX_CODE)or
  * the count of warnings(MAX_WARNING) [ Information purpose only]
  * @xsl.usage advanced
+ * @LastModified: May 2019
  */
 public class XPATHErrorResources extends ListResourceBundle
 {
@@ -150,6 +150,10 @@
          "ER_FOUND_COMMA_BUT_NO_FOLLOWING_ARG";
   public static final String ER_PREDICATE_ILLEGAL_SYNTAX =
          "ER_PREDICATE_ILLEGAL_SYNTAX";
+  public static final String ER_PREDICATE_TOO_MANY_OPEN =
+         "ER_PREDICATE_TOO_MANY_OPEN";
+  public static final String ER_COMPILATION_TOO_MANY_OPERATION =
+         "ER_COMPILATION_TOO_MANY_OPERATION";
   public static final String ER_ILLEGAL_AXIS_NAME = "ER_ILLEGAL_AXIS_NAME";
   public static final String ER_UNKNOWN_NODETYPE = "ER_UNKNOWN_NODETYPE";
   public static final String ER_PATTERN_LITERAL_NEEDS_BE_QUOTED =
@@ -464,6 +468,12 @@
   { ER_PREDICATE_ILLEGAL_SYNTAX,
       "'..[predicate]' or '.[predicate]' is illegal syntax.  Use 'self::node()[predicate]' instead."},
 
+  { ER_PREDICATE_TOO_MANY_OPEN,
+      "Stack overflow while parsing {0} at {1}. Too many open predicates({2})."},
+
+  { ER_COMPILATION_TOO_MANY_OPERATION,
+      "Stack overflow while compiling the expression. Too many operations({0})."},
+
   { ER_ILLEGAL_AXIS_NAME,
      "illegal axis name: {0}"},
 
--- a/src/jdk.aot/share/classes/jdk.tools.jaotc/src/jdk/tools/jaotc/collect/FileSupport.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.aot/share/classes/jdk.tools.jaotc/src/jdk/tools/jaotc/collect/FileSupport.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Scope.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Scope.java	Wed Oct 16 15:31:05 2019 +0200
@@ -389,7 +389,7 @@
                 Entry e = table[hash];
                 Assert.check(e == elems, elems.sym);
                 table[hash] = elems.shadowed;
-                elems = elems.sibling;
+                elems = elems.nextSibling;
             }
             Assert.check(next.shared > 0);
             next.shared--;
@@ -466,15 +466,15 @@
             }
 
             // remove e from elems and sibling list
-            te = elems;
-            if (te == e)
-                elems = e.sibling;
-            else while (true) {
-                if (te.sibling == e) {
-                    te.sibling = e.sibling;
-                    break;
-                }
-                te = te.sibling;
+            if (elems == e) {
+                elems = e.nextSibling;
+                if (elems != null)
+                    elems.prevSibling = null;
+            } else {
+                Assert.check(e.prevSibling != null, e.sym);
+                e.prevSibling.nextSibling = e.nextSibling;
+                if (e.nextSibling != null)
+                    e.nextSibling.prevSibling = e.prevSibling;
             }
 
             removeCount++;
@@ -597,7 +597,7 @@
                 private Symbol doNext() {
                     Symbol sym = (currEntry == null ? null : currEntry.sym);
                     if (currEntry != null) {
-                        currEntry = currEntry.sibling;
+                        currEntry = currEntry.nextSibling;
                     }
                     update();
                     return sym;
@@ -617,7 +617,7 @@
 
                 void skipToNextMatchingEntry() {
                     while (currEntry != null && sf != null && !sf.accepts(currEntry.sym)) {
-                        currEntry = currEntry.sibling;
+                        currEntry = currEntry.nextSibling;
                     }
                 }
             };
@@ -677,7 +677,7 @@
             result.append("Scope[");
             for (ScopeImpl s = this; s != null ; s = s.next) {
                 if (s != this) result.append(" | ");
-                for (Entry e = s.elems; e != null; e = e.sibling) {
+                for (Entry e = s.elems; e != null; e = e.nextSibling) {
                     if (e != s.elems) result.append(", ");
                     result.append(e.sym);
                 }
@@ -702,18 +702,24 @@
 
         /** Next entry in same scope.
          */
-        public Entry sibling;
+        public Entry nextSibling;
+
+        /** Prev entry in same scope.
+         */
+        public Entry prevSibling;
 
         /** The entry's scope.
          *  scope == null   iff   this == sentinel
          */
         public ScopeImpl scope;
 
-        public Entry(Symbol sym, Entry shadowed, Entry sibling, ScopeImpl scope) {
+        public Entry(Symbol sym, Entry shadowed, Entry nextSibling, ScopeImpl scope) {
             this.sym = sym;
             this.shadowed = shadowed;
-            this.sibling = sibling;
+            this.nextSibling = nextSibling;
             this.scope = scope;
+            if (nextSibling != null)
+                nextSibling.prevSibling = this;
         }
 
         /** Return next entry with the same name as this entry, proceeding
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java	Wed Oct 16 15:31:05 2019 +0200
@@ -3745,12 +3745,9 @@
             return cl1;
         } else if (shouldSkip.test(cl1.head, cl2.head)) {
             return union(cl1.tail, cl2.tail, shouldSkip).prepend(cl1.head);
-        } else if (cl1.head.tsym.precedes(cl2.head.tsym, this)) {
-            return union(cl1.tail, cl2, shouldSkip).prepend(cl1.head);
         } else if (cl2.head.tsym.precedes(cl1.head.tsym, this)) {
             return union(cl1, cl2.tail, shouldSkip).prepend(cl2.head);
         } else {
-            // unrelated types
             return union(cl1.tail, cl2, shouldSkip).prepend(cl1.head);
         }
     }
--- a/src/jdk.crypto.cryptoki/share/classes/sun/security/pkcs11/P11AEADCipher.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.crypto.cryptoki/share/classes/sun/security/pkcs11/P11AEADCipher.java	Wed Oct 16 15:31:05 2019 +0200
@@ -378,9 +378,6 @@
 
         long p11KeyID = p11Key.getKeyID();
         try {
-            if (session == null) {
-                session = token.getOpSession();
-            }
             CK_MECHANISM mechWithParams;
             switch (blockMode) {
                 case MODE_GCM:
@@ -390,6 +387,9 @@
                 default:
                     throw new ProviderException("Unsupported mode: " + blockMode);
             }
+            if (session == null) {
+                session = token.getOpSession();
+            }
             if (encrypt) {
                 token.p11.C_EncryptInit(session.id(), mechWithParams,
                     p11KeyID);
@@ -398,7 +398,6 @@
                     p11KeyID);
             }
         } catch (PKCS11Exception e) {
-            //e.printStackTrace();
             p11Key.releaseKeyID();
             session = token.releaseSession(session);
             throw e;
@@ -718,7 +717,9 @@
                    errorCode == CKR_ENCRYPTED_DATA_LEN_RANGE) {
             throw (IllegalBlockSizeException)
                     (new IllegalBlockSizeException(e.toString()).initCause(e));
-        } else if (errorCode == CKR_ENCRYPTED_DATA_INVALID) {
+        } else if (errorCode == CKR_ENCRYPTED_DATA_INVALID ||
+                // Solaris-specific
+                errorCode == CKR_GENERAL_ERROR) {
             throw (BadPaddingException)
                     (new BadPaddingException(e.toString()).initCause(e));
         }
--- a/src/jdk.crypto.cryptoki/share/classes/sun/security/pkcs11/P11Digest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.crypto.cryptoki/share/classes/sun/security/pkcs11/P11Digest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -103,9 +103,11 @@
             digestLength = 20;
             break;
         case (int)CKM_SHA224:
+        case (int)CKM_SHA512_224:
             digestLength = 28;
             break;
         case (int)CKM_SHA256:
+        case (int)CKM_SHA512_256:
             digestLength = 32;
             break;
         case (int)CKM_SHA384:
--- a/src/jdk.crypto.cryptoki/share/classes/sun/security/pkcs11/P11Mac.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.crypto.cryptoki/share/classes/sun/security/pkcs11/P11Mac.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -91,9 +91,11 @@
             macLength = 20;
             break;
         case (int)CKM_SHA224_HMAC:
+        case (int)CKM_SHA512_224_HMAC:
             macLength = 28;
             break;
         case (int)CKM_SHA256_HMAC:
+        case (int)CKM_SHA512_256_HMAC:
             macLength = 32;
             break;
         case (int)CKM_SHA384_HMAC:
--- a/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/p11_convert.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/p11_convert.c	Wed Oct 16 15:31:05 2019 +0200
@@ -721,7 +721,7 @@
     }
 
     // populate using java values
-    ckParamPtr->prfMechanism = jLongToCKULong(jPrfMechanism);
+    ckParamPtr->prfHashMechanism = jLongToCKULong(jPrfMechanism);
     ckParamPtr->ulMacLength = jLongToCKULong(jUlMacLength);
     ckParamPtr->ulServerOrClient = jLongToCKULong(jUlServerOrClient);
 
@@ -1014,17 +1014,18 @@
 }
 
 /*
- * converts the Java CK_GCM_PARAMS object to a CK_GCM_PARAMS pointer
+ * converts the Java CK_GCM_PARAMS object to a CK_GCM_PARAMS_NO_IVBITS pointer
+ * Note: Need to try NSS definition first to avoid SIGSEGV.
  *
  * @param env - used to call JNI funktions to get the Java classes and objects
  * @param jParam - the Java CK_GCM_PARAMS object to convert
  * @param pLength - length of the allocated memory of the returned pointer
- * @return pointer to the new CK_GCM_PARAMS structure
+ * @return pointer to the new CK_GCM_PARAMS_NO_IVBITS structure
  */
-CK_GCM_PARAMS_PTR
+CK_GCM_PARAMS_NO_IVBITS_PTR
 jGCMParamsToCKGCMParamPtr(JNIEnv *env, jobject jParam, CK_ULONG *pLength)
 {
-    CK_GCM_PARAMS_PTR ckParamPtr;
+    CK_GCM_PARAMS_NO_IVBITS_PTR ckParamPtr;
     jclass jGcmParamsClass;
     jfieldID fieldID;
     jobject jIv, jAad;
@@ -1052,8 +1053,8 @@
     if (fieldID == NULL) { return NULL; }
     jTagLen = (*env)->GetLongField(env, jParam, fieldID);
 
-    // allocate memory for CK_GCM_PARAMS pointer
-    ckParamPtr = calloc(1, sizeof(CK_GCM_PARAMS));
+    // allocate memory for CK_GCM_PARAMS_NO_IVBITS pointer
+    ckParamPtr = calloc(1, sizeof(CK_GCM_PARAMS_NO_IVBITS));
     if (ckParamPtr == NULL) {
         throwOutOfMemoryError(env, 0);
         return NULL;
@@ -1073,16 +1074,15 @@
     ckParamPtr->ulTagBits = jLongToCKULong(jTagLen);
 
     if (pLength != NULL) {
-        *pLength = sizeof(CK_GCM_PARAMS);
+        *pLength = sizeof(CK_GCM_PARAMS_NO_IVBITS);
     }
-    TRACE1("Created inner GCM_PARAMS PTR %lX\n", ptr_to_jlong(ckParamPtr));
+    TRACE1("Created inner GCM_PARAMS PTR w/o ulIvBits %p\n", ckParamPtr);
     return ckParamPtr;
 cleanup:
     free(ckParamPtr->pIv);
     free(ckParamPtr->pAAD);
     free(ckParamPtr);
     return NULL;
-
 }
 
 /*
@@ -1179,7 +1179,7 @@
         throwOutOfMemoryError(env, 0);
         return NULL;
     }
-    TRACE1("DEBUG jMechanismToCKMechanismPtr: allocated mech %p \n", ckpMech);
+    TRACE1("DEBUG jMechanismToCKMechanismPtr: allocated mech %p\n", ckpMech);
 
     ckpMech->mechanism = jLongToCKULong(jMechType);
 
--- a/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/p11_crypt.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/p11_crypt.c	Wed Oct 16 15:31:05 2019 +0200
@@ -72,6 +72,7 @@
 {
     CK_SESSION_HANDLE ckSessionHandle;
     CK_MECHANISM_PTR ckpMechanism = NULL;
+    CK_MECHANISM_PTR ckpTemp;
     CK_OBJECT_HANDLE ckKeyHandle;
     CK_RV rv;
 
@@ -81,15 +82,32 @@
     ckSessionHandle = jLongToCKULong(jSessionHandle);
     ckKeyHandle = jLongToCKULong(jKeyHandle);
     ckpMechanism = jMechanismToCKMechanismPtr(env, jMechanism);
+    TRACE1("DEBUG C_EncryptInit: created pMech = %p\n",
+            ckpMechanism);
+
     if ((*env)->ExceptionCheck(env)) { return; }
 
     rv = (*ckpFunctions->C_EncryptInit)(ckSessionHandle, ckpMechanism,
                                         ckKeyHandle);
 
-    // if OAEP, then cannot free here
+    if (ckpMechanism->mechanism == CKM_AES_GCM) {
+        if (rv == CKR_ARGUMENTS_BAD || rv == CKR_MECHANISM_PARAM_INVALID) {
+            // retry with CKM_GCM_PARAMS structure in pkcs11t.h
+            TRACE0("DEBUG C_EncryptInit: retry with CK_GCM_PARAMS\n");
+            ckpTemp = updateGCMParams(env, ckpMechanism);
+            if (ckpTemp != NULL) { // only re-call if conversion succeeds
+                ckpMechanism = ckpTemp;
+                rv = (*ckpFunctions->C_EncryptInit)(ckSessionHandle, ckpMechanism,
+                        ckKeyHandle);
+            }
+        }
+    }
+
+    TRACE1("DEBUG C_EncryptInit: freed pMech = %p\n", ckpMechanism);
     freeCKMechanismPtr(ckpMechanism);
+    if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) { return; }
 
-    if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) { return; }
+    TRACE0("FINISHED\n");
 }
 #endif
 
@@ -292,6 +310,7 @@
 {
     CK_SESSION_HANDLE ckSessionHandle;
     CK_MECHANISM_PTR ckpMechanism = NULL;
+    CK_MECHANISM_PTR ckpTemp;
     CK_OBJECT_HANDLE ckKeyHandle;
     CK_RV rv;
 
@@ -301,15 +320,32 @@
     ckSessionHandle = jLongToCKULong(jSessionHandle);
     ckKeyHandle = jLongToCKULong(jKeyHandle);
     ckpMechanism = jMechanismToCKMechanismPtr(env, jMechanism);
+    TRACE1("DEBUG C_DecryptInit: created pMech = %p\n",
+            ckpMechanism);
+
     if ((*env)->ExceptionCheck(env)) { return; }
 
     rv = (*ckpFunctions->C_DecryptInit)(ckSessionHandle, ckpMechanism,
                                         ckKeyHandle);
 
-    // if OAEP, then cannot free here
+    if (ckpMechanism->mechanism == CKM_AES_GCM) {
+        if (rv == CKR_ARGUMENTS_BAD || rv == CKR_MECHANISM_PARAM_INVALID) {
+            // retry with CKM_GCM_PARAMS structure in pkcs11t.h
+            TRACE0("DEBUG C_DecryptInit: retry with CK_GCM_PARAMS\n");
+            ckpTemp = updateGCMParams(env, ckpMechanism);
+            if (ckpTemp != NULL) { // only re-call if conversion succeeds
+                ckpMechanism = ckpTemp;
+                rv = (*ckpFunctions->C_DecryptInit)(ckSessionHandle, ckpMechanism,
+                        ckKeyHandle);
+            }
+        }
+    }
+
+    TRACE1("DEBUG C_DecryptInit: freed pMech = %p\n", ckpMechanism);
     freeCKMechanismPtr(ckpMechanism);
+    if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) { return; }
 
-    if (ckAssertReturnValueOK(env, rv) != CK_ASSERT_OK) { return; }
+    TRACE0("FINISHED\n");
 }
 #endif
 
--- a/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/p11_util.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/p11_util.c	Wed Oct 16 15:31:05 2019 +0200
@@ -302,29 +302,30 @@
      CK_TLS12_KEY_MAT_PARAMS* tlsKmTmp;
 
      if (mechPtr != NULL) {
-         TRACE2("DEBUG: free mech %lX (mech id = 0x%lX)\n",
-                 ptr_to_jlong(mechPtr),  mechPtr->mechanism);
+         TRACE2("DEBUG freeCKMechanismPtr: free pMech %p (mech 0x%lX)\n",
+                 mechPtr,  mechPtr->mechanism);
          if (mechPtr->pParameter != NULL) {
+             tmp = mechPtr->pParameter;
              switch (mechPtr->mechanism) {
                  case CKM_AES_GCM:
-                     tmp = mechPtr->pParameter;
-                     TRACE1("\t=> free GCM_PARAMS %lX\n",
-                             ptr_to_jlong(tmp));
-                     free(((CK_GCM_PARAMS*)tmp)->pIv);
-                     free(((CK_GCM_PARAMS*)tmp)->pAAD);
+                     if (mechPtr->ulParameterLen == sizeof(CK_GCM_PARAMS_NO_IVBITS)) {
+                         TRACE0("[ GCM_PARAMS w/o ulIvBits ]\n");
+                         free(((CK_GCM_PARAMS_NO_IVBITS*)tmp)->pIv);
+                         free(((CK_GCM_PARAMS_NO_IVBITS*)tmp)->pAAD);
+                     } else if (mechPtr->ulParameterLen == sizeof(CK_GCM_PARAMS)) {
+                         TRACE0("[ GCM_PARAMS ]\n");
+                         free(((CK_GCM_PARAMS*)tmp)->pIv);
+                         free(((CK_GCM_PARAMS*)tmp)->pAAD);
+                     }
                      break;
                  case CKM_AES_CCM:
-                     tmp = mechPtr->pParameter;
-                     TRACE1("\t=> free CK_CCM_PARAMS %lX\n",
-                             ptr_to_jlong(tmp));
+                     TRACE0("[ CK_CCM_PARAMS ]\n");
                      free(((CK_CCM_PARAMS*)tmp)->pNonce);
                      free(((CK_CCM_PARAMS*)tmp)->pAAD);
                      break;
                  case CKM_TLS_PRF:
                  case CKM_NSS_TLS_PRF_GENERAL:
-                     tmp = mechPtr->pParameter;
-                     TRACE1("\t=> free CK_TLS_PRF_PARAMS %lX\n",
-                         ptr_to_jlong(tmp));
+                     TRACE0("[ CK_TLS_PRF_PARAMS ]\n");
                      free(((CK_TLS_PRF_PARAMS*)tmp)->pSeed);
                      free(((CK_TLS_PRF_PARAMS*)tmp)->pLabel);
                      free(((CK_TLS_PRF_PARAMS*)tmp)->pulOutputLen);
@@ -334,18 +335,16 @@
                  case CKM_TLS_MASTER_KEY_DERIVE:
                  case CKM_SSL3_MASTER_KEY_DERIVE_DH:
                  case CKM_TLS_MASTER_KEY_DERIVE_DH:
-                     sslMkdTmp = mechPtr->pParameter;
-                     TRACE1("\t=> free CK_SSL3_MASTER_KEY_DERIVE_PARAMS %lX\n",
-                         ptr_to_jlong(sslMkdTmp));
+                     sslMkdTmp = tmp;
+                     TRACE0("[ CK_SSL3_MASTER_KEY_DERIVE_PARAMS ]\n");
                      free(sslMkdTmp->RandomInfo.pClientRandom);
                      free(sslMkdTmp->RandomInfo.pServerRandom);
                      free(sslMkdTmp->pVersion);
                      break;
                  case CKM_SSL3_KEY_AND_MAC_DERIVE:
                  case CKM_TLS_KEY_AND_MAC_DERIVE:
-                     sslKmTmp = mechPtr->pParameter;
-                     TRACE1("\t=> free CK_SSL3_KEY_MAT_PARAMS %lX\n",
-                         ptr_to_jlong(sslKmTmp));
+                     sslKmTmp = tmp;
+                     TRACE0("[ CK_SSL3_KEY_MAT_PARAMS ]\n");
                      free(sslKmTmp->RandomInfo.pClientRandom);
                      free(sslKmTmp->RandomInfo.pServerRandom);
                      if (sslKmTmp->pReturnedKeyMaterial != NULL) {
@@ -356,17 +355,15 @@
                      break;
                  case CKM_TLS12_MASTER_KEY_DERIVE:
                  case CKM_TLS12_MASTER_KEY_DERIVE_DH:
-                     tlsMkdTmp = mechPtr->pParameter;
-                     TRACE1("\t=> CK_TLS12_MASTER_KEY_DERIVE_PARAMS %lX\n",
-                         ptr_to_jlong(tlsMkdTmp));
+                     tlsMkdTmp = tmp;
+                     TRACE0("[ CK_TLS12_MASTER_KEY_DERIVE_PARAMS ]\n");
                      free(tlsMkdTmp->RandomInfo.pClientRandom);
                      free(tlsMkdTmp->RandomInfo.pServerRandom);
                      free(tlsMkdTmp->pVersion);
                      break;
                  case CKM_TLS12_KEY_AND_MAC_DERIVE:
-                     tlsKmTmp = mechPtr->pParameter;
-                     TRACE1("\t=> free CK_TLS12_KEY_MAT_PARAMS %lX\n",
-                         ptr_to_jlong(tlsKmTmp));
+                     tlsKmTmp = tmp;
+                     TRACE0("[ CK_TLS12_KEY_MAT_PARAMS ]\n");
                      free(tlsKmTmp->RandomInfo.pClientRandom);
                      free(tlsKmTmp->RandomInfo.pServerRandom);
                      if (tlsKmTmp->pReturnedKeyMaterial != NULL) {
@@ -377,9 +374,7 @@
                      break;
                  case CKM_ECDH1_DERIVE:
                  case CKM_ECDH1_COFACTOR_DERIVE:
-                     tmp = mechPtr->pParameter;
-                     TRACE1("\t=> free CK_ECDH1_DERIVE_PARAMS %lX\n",
-                         ptr_to_jlong(tmp));
+                     TRACE0("[ CK_ECDH1_DERIVE_PARAMS ]\n");
                      free(((CK_ECDH1_DERIVE_PARAMS *)tmp)->pSharedData);
                      free(((CK_ECDH1_DERIVE_PARAMS *)tmp)->pPublicData);
                      break;
@@ -387,7 +382,6 @@
                  case CKM_AES_CTR:
                  case CKM_RSA_PKCS_PSS:
                  case CKM_CAMELLIA_CTR:
-                     TRACE0("\t=> NO OP\n");
                      // params do not contain pointers
                      break;
                  default:
@@ -399,17 +393,59 @@
                      // CKM_EXTRACT_KEY_FROM_KEY, CKM_OTP, CKM_KIP,
                      // CKM_DSA_PARAMETER_GEN?, CKM_GOSTR3410_*
                      // CK_any_CBC_ENCRYPT_DATA?
-                     TRACE0("\t=> ERROR UNSUPPORTED CK PARAMS\n");
+                     TRACE0("ERROR: UNSUPPORTED CK_MECHANISM\n");
                      break;
              }
-             free(mechPtr->pParameter);
+             TRACE1("\t=> freed param %p\n", tmp);
+             free(tmp);
          } else {
-             TRACE0("DEBUG => Parameter NULL\n");
+             TRACE0("\t=> param NULL\n");
          }
          free(mechPtr);
+         TRACE0("FINISHED\n");
      }
 }
 
+/* This function replaces the CK_GCM_PARAMS_NO_IVBITS structure associated
+ * with the specified CK_MECHANISM structure with CK_GCM_PARAMS
+ * structure.
+ *
+ * @param mechPtr pointer to the CK_MECHANISM structure containing
+ * the to-be-converted CK_GCM_PARAMS_NO_IVBITS structure.
+ * @return pointer to the CK_MECHANISM structure containing the
+ * converted CK_GCM_PARAMS structure or NULL if no conversion took place.
+ */
+CK_MECHANISM_PTR updateGCMParams(JNIEnv *env, CK_MECHANISM_PTR mechPtr) {
+    CK_GCM_PARAMS* pGcmParams2 = NULL;
+    CK_GCM_PARAMS_NO_IVBITS* pParams = NULL;
+    if ((mechPtr->mechanism == CKM_AES_GCM) &&
+            (mechPtr->pParameter != NULL_PTR) &&
+            (mechPtr->ulParameterLen == sizeof(CK_GCM_PARAMS_NO_IVBITS))) {
+        pGcmParams2 = calloc(1, sizeof(CK_GCM_PARAMS));
+        if (pGcmParams2 == NULL) {
+            throwOutOfMemoryError(env, 0);
+            return NULL;
+        }
+        pParams = (CK_GCM_PARAMS_NO_IVBITS*) mechPtr->pParameter;
+        pGcmParams2->pIv = pParams->pIv;
+        pGcmParams2->ulIvLen = pParams->ulIvLen;
+        pGcmParams2->ulIvBits = (pGcmParams2->ulIvLen << 3);
+        pGcmParams2->pAAD = pParams->pAAD;
+        pGcmParams2->ulAADLen = pParams->ulAADLen;
+        pGcmParams2->ulTagBits = pParams->ulTagBits;
+        TRACE1("DEBUG updateGCMParams: pMech %p\n", mechPtr);
+        TRACE2("\t=> GCM param w/o ulIvBits %p => GCM param %p\n", pParams,
+                pGcmParams2);
+        free(pParams);
+        mechPtr->pParameter = pGcmParams2;
+        mechPtr->ulParameterLen = sizeof(CK_GCM_PARAMS);
+        return mechPtr;
+    } else {
+        TRACE0("DEBUG updateGCMParams: no conversion done\n");
+    }
+    return NULL;
+}
+
 /*
  * the following functions convert Java arrays to PKCS#11 array pointers and
  * their array length and vice versa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/pkcs11gcm2.h	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* There is a known incompatibility for CK_GCM_PARAMS structure.
+ * PKCS#11 v2.40 standard mechanisms specification specifies
+ * CK_GCM_PARAMS as
+ *     typedef struct CK_GCM_PARAMS {
+ *         CK_BYTE_PTR       pIv;
+ *         CK_ULONG          ulIvLen;
+ *         CK_BYTE_PTR       pAAD;
+ *         CK_ULONG          ulAADLen;
+ *         CK_ULONG          ulTagBits;
+ *     } CK_GCM_PARAMS;
+ * However, the official header file of PKCS#11 v2.40 defines the
+ * CK_GCM_PARAMS with an extra "ulIvBits" field (type CK_ULONG).
+ * NSS uses the spec version while Solaris and SoftHSM2 use the header
+ * version. In order to work with both sides, SunPKCS11 provider defines
+ * the spec version of CK_GCM_PARAMS as CK_GCM_PARAMS_NO_IVBITS (as in this
+ * file) and uses it first before failing over to the header version.
+ */
+#ifndef _PKCS11GCM2_H_
+#define _PKCS11GCM2_H_ 1
+
+/* include the platform dependent part of the header */
+typedef struct CK_GCM_PARAMS_NO_IVBITS {
+    CK_BYTE_PTR       pIv;
+    CK_ULONG          ulIvLen;
+    CK_BYTE_PTR       pAAD;
+    CK_ULONG          ulAADLen;
+    CK_ULONG          ulTagBits;
+} CK_GCM_PARAMS_NO_IVBITS;
+
+typedef CK_GCM_PARAMS_NO_IVBITS CK_PTR CK_GCM_PARAMS_NO_IVBITS_PTR;
+
+#endif /* _PKCS11GCM2_H_ */
--- a/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/pkcs11t.h	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/pkcs11t.h	Wed Oct 16 15:31:05 2019 +0200
@@ -1833,6 +1833,7 @@
 typedef struct CK_GCM_PARAMS {
     CK_BYTE_PTR       pIv;
     CK_ULONG          ulIvLen;
+    CK_ULONG          ulIvBits;
     CK_BYTE_PTR       pAAD;
     CK_ULONG          ulAADLen;
     CK_ULONG          ulTagBits;
@@ -1962,7 +1963,7 @@
 typedef CK_TLS_KDF_PARAMS CK_PTR CK_TLS_KDF_PARAMS_PTR;
 
 typedef struct CK_TLS_MAC_PARAMS {
-    CK_MECHANISM_TYPE         prfMechanism;
+    CK_MECHANISM_TYPE         prfHashMechanism;
     CK_ULONG                  ulMacLength;
     CK_ULONG                  ulServerOrClient;
 } CK_TLS_MAC_PARAMS;
@@ -2000,3 +2001,4 @@
 
 #endif /* _PKCS11T_H_ */
 
+
--- a/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/pkcs11wrapper.h	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.crypto.cryptoki/share/native/libj2pkcs11/pkcs11wrapper.h	Wed Oct 16 15:31:05 2019 +0200
@@ -159,7 +159,6 @@
 /* include the platform dependent part of the header */
 #include "p11_md.h"
 
-#include "pkcs11.h"
 #include <jni.h>
 #include <jni_util.h>
 #include <stdarg.h>
@@ -296,6 +295,10 @@
 #define CLASS_TLS_PRF_PARAMS "sun/security/pkcs11/wrapper/CK_TLS_PRF_PARAMS"
 #define CLASS_TLS_MAC_PARAMS "sun/security/pkcs11/wrapper/CK_TLS_MAC_PARAMS"
 
+/* function to update the CK_NSS_GCM_PARAMS in mechanism pointer with
+ * CK_GCM_PARAMS
+ */
+CK_MECHANISM_PTR updateGCMParams(JNIEnv *env, CK_MECHANISM_PTR mechPtr);
 
 /* function to convert a PKCS#11 return value other than CK_OK into a Java Exception
  * or to throw a PKCS11RuntimeException
--- a/src/jdk.crypto.cryptoki/unix/native/libj2pkcs11/p11_md.h	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.crypto.cryptoki/unix/native/libj2pkcs11/p11_md.h	Wed Oct 16 15:31:05 2019 +0200
@@ -1,3 +1,7 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ */
+
 /*
  * reserved comment block
  * DO NOT REMOVE OR ALTER!
@@ -69,6 +73,7 @@
 #endif
 
 #include "pkcs11.h"
+#include "pkcs11gcm2.h"
 
 #include "jni.h"
 
--- a/src/jdk.crypto.cryptoki/windows/native/libj2pkcs11/p11_md.h	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.crypto.cryptoki/windows/native/libj2pkcs11/p11_md.h	Wed Oct 16 15:31:05 2019 +0200
@@ -1,3 +1,7 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ */
+
 /*
  * reserved comment block
  * DO NOT REMOVE OR ALTER!
@@ -77,6 +81,7 @@
 #endif /* CreateMutex */
 
 #include "pkcs11.h"
+#include "pkcs11gcm2.h"
 
 /* statement according to PKCS11 docu */
 #pragma pack(pop, cryptoki)
--- a/src/jdk.hotspot.agent/linux/native/libsaproc/ps_core.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.hotspot.agent/linux/native/libsaproc/ps_core.c	Wed Oct 16 15:31:05 2019 +0200
@@ -31,336 +31,14 @@
 #include <elf.h>
 #include <link.h>
 #include "libproc_impl.h"
+#include "ps_core_common.h"
 #include "proc_service.h"
 #include "salibelf.h"
-#include "cds.h"
 
 // This file has the libproc implementation to read core files.
 // For live processes, refer to ps_proc.c. Portions of this is adapted
 // /modelled after Solaris libproc.so (in particular Pcore.c)
 
-//----------------------------------------------------------------------
-// ps_prochandle cleanup helper functions
-
-// close all file descriptors
-static void close_files(struct ps_prochandle* ph) {
-  lib_info* lib = NULL;
-
-  // close core file descriptor
-  if (ph->core->core_fd >= 0)
-    close(ph->core->core_fd);
-
-  // close exec file descriptor
-  if (ph->core->exec_fd >= 0)
-    close(ph->core->exec_fd);
-
-  // close interp file descriptor
-  if (ph->core->interp_fd >= 0)
-    close(ph->core->interp_fd);
-
-  // close class share archive file
-  if (ph->core->classes_jsa_fd >= 0)
-    close(ph->core->classes_jsa_fd);
-
-  // close all library file descriptors
-  lib = ph->libs;
-  while (lib) {
-    int fd = lib->fd;
-    if (fd >= 0 && fd != ph->core->exec_fd) {
-      close(fd);
-    }
-    lib = lib->next;
-  }
-}
-
-// clean all map_info stuff
-static void destroy_map_info(struct ps_prochandle* ph) {
-  map_info* map = ph->core->maps;
-  while (map) {
-    map_info* next = map->next;
-    free(map);
-    map = next;
-  }
-
-  if (ph->core->map_array) {
-    free(ph->core->map_array);
-  }
-
-  // Part of the class sharing workaround
-  map = ph->core->class_share_maps;
-  while (map) {
-    map_info* next = map->next;
-    free(map);
-    map = next;
-  }
-}
-
-// ps_prochandle operations
-static void core_release(struct ps_prochandle* ph) {
-  if (ph->core) {
-    close_files(ph);
-    destroy_map_info(ph);
-    free(ph->core);
-  }
-}
-
-static map_info* allocate_init_map(int fd, off_t offset, uintptr_t vaddr, size_t memsz) {
-  map_info* map;
-  if ( (map = (map_info*) calloc(1, sizeof(map_info))) == NULL) {
-    print_debug("can't allocate memory for map_info\n");
-    return NULL;
-  }
-
-  // initialize map
-  map->fd     = fd;
-  map->offset = offset;
-  map->vaddr  = vaddr;
-  map->memsz  = memsz;
-  return map;
-}
-
-// add map info with given fd, offset, vaddr and memsz
-static map_info* add_map_info(struct ps_prochandle* ph, int fd, off_t offset,
-                             uintptr_t vaddr, size_t memsz) {
-  map_info* map;
-  if ((map = allocate_init_map(fd, offset, vaddr, memsz)) == NULL) {
-    return NULL;
-  }
-
-  // add this to map list
-  map->next  = ph->core->maps;
-  ph->core->maps   = map;
-  ph->core->num_maps++;
-
-  return map;
-}
-
-// Part of the class sharing workaround
-static map_info* add_class_share_map_info(struct ps_prochandle* ph, off_t offset,
-                             uintptr_t vaddr, size_t memsz) {
-  map_info* map;
-  if ((map = allocate_init_map(ph->core->classes_jsa_fd,
-                               offset, vaddr, memsz)) == NULL) {
-    return NULL;
-  }
-
-  map->next = ph->core->class_share_maps;
-  ph->core->class_share_maps = map;
-  return map;
-}
-
-// Return the map_info for the given virtual address.  We keep a sorted
-// array of pointers in ph->map_array, so we can binary search.
-static map_info* core_lookup(struct ps_prochandle *ph, uintptr_t addr) {
-  int mid, lo = 0, hi = ph->core->num_maps - 1;
-  map_info *mp;
-
-  while (hi - lo > 1) {
-    mid = (lo + hi) / 2;
-    if (addr >= ph->core->map_array[mid]->vaddr) {
-      lo = mid;
-    } else {
-      hi = mid;
-    }
-  }
-
-  if (addr < ph->core->map_array[hi]->vaddr) {
-    mp = ph->core->map_array[lo];
-  } else {
-    mp = ph->core->map_array[hi];
-  }
-
-  if (addr >= mp->vaddr && addr < mp->vaddr + mp->memsz) {
-    return (mp);
-  }
-
-
-  // Part of the class sharing workaround
-  // Unfortunately, we have no way of detecting -Xshare state.
-  // Check out the share maps atlast, if we don't find anywhere.
-  // This is done this way so to avoid reading share pages
-  // ahead of other normal maps. For eg. with -Xshare:off we don't
-  // want to prefer class sharing data to data from core.
-  mp = ph->core->class_share_maps;
-  if (mp) {
-    print_debug("can't locate map_info at 0x%lx, trying class share maps\n", addr);
-  }
-  while (mp) {
-    if (addr >= mp->vaddr && addr < mp->vaddr + mp->memsz) {
-      print_debug("located map_info at 0x%lx from class share maps\n", addr);
-      return (mp);
-    }
-    mp = mp->next;
-  }
-
-  print_debug("can't locate map_info at 0x%lx\n", addr);
-  return (NULL);
-}
-
-//---------------------------------------------------------------
-// Part of the class sharing workaround:
-//
-// With class sharing, pages are mapped from classes.jsa file.
-// The read-only class sharing pages are mapped as MAP_SHARED,
-// PROT_READ pages. These pages are not dumped into core dump.
-// With this workaround, these pages are read from classes.jsa.
-
-static bool read_jboolean(struct ps_prochandle* ph, uintptr_t addr, jboolean* pvalue) {
-  jboolean i;
-  if (ps_pdread(ph, (psaddr_t) addr, &i, sizeof(i)) == PS_OK) {
-    *pvalue = i;
-    return true;
-  } else {
-    return false;
-  }
-}
-
-static bool read_pointer(struct ps_prochandle* ph, uintptr_t addr, uintptr_t* pvalue) {
-  uintptr_t uip;
-  if (ps_pdread(ph, (psaddr_t) addr, (char *)&uip, sizeof(uip)) == PS_OK) {
-    *pvalue = uip;
-    return true;
-  } else {
-    return false;
-  }
-}
-
-// used to read strings from debuggee
-static bool read_string(struct ps_prochandle* ph, uintptr_t addr, char* buf, size_t size) {
-  size_t i = 0;
-  char  c = ' ';
-
-  while (c != '\0') {
-    if (ps_pdread(ph, (psaddr_t) addr, &c, sizeof(char)) != PS_OK) {
-      return false;
-    }
-    if (i < size - 1) {
-      buf[i] = c;
-    } else {
-      // smaller buffer
-      return false;
-    }
-    i++; addr++;
-  }
-
-  buf[i] = '\0';
-  return true;
-}
-
-#define USE_SHARED_SPACES_SYM "UseSharedSpaces"
-// mangled name of Arguments::SharedArchivePath
-#define SHARED_ARCHIVE_PATH_SYM "_ZN9Arguments17SharedArchivePathE"
-#define LIBJVM_NAME "/libjvm.so"
-
-static bool init_classsharing_workaround(struct ps_prochandle* ph) {
-  lib_info* lib = ph->libs;
-  while (lib != NULL) {
-    // we are iterating over shared objects from the core dump. look for
-    // libjvm.so.
-    const char *jvm_name = 0;
-    if ((jvm_name = strstr(lib->name, LIBJVM_NAME)) != 0) {
-      char classes_jsa[PATH_MAX];
-      CDSFileMapHeaderBase header;
-      int fd = -1;
-      int m = 0;
-      size_t n = 0;
-      uintptr_t base = 0, useSharedSpacesAddr = 0;
-      uintptr_t sharedArchivePathAddrAddr = 0, sharedArchivePathAddr = 0;
-      jboolean useSharedSpaces = 0;
-      map_info* mi = 0;
-
-      memset(classes_jsa, 0, sizeof(classes_jsa));
-      jvm_name = lib->name;
-      useSharedSpacesAddr = lookup_symbol(ph, jvm_name, USE_SHARED_SPACES_SYM);
-      if (useSharedSpacesAddr == 0) {
-        print_debug("can't lookup 'UseSharedSpaces' flag\n");
-        return false;
-      }
-
-      // Hotspot vm types are not exported to build this library. So
-      // using equivalent type jboolean to read the value of
-      // UseSharedSpaces which is same as hotspot type "bool".
-      if (read_jboolean(ph, useSharedSpacesAddr, &useSharedSpaces) != true) {
-        print_debug("can't read the value of 'UseSharedSpaces' flag\n");
-        return false;
-      }
-
-      if ((int)useSharedSpaces == 0) {
-        print_debug("UseSharedSpaces is false, assuming -Xshare:off!\n");
-        return true;
-      }
-
-      sharedArchivePathAddrAddr = lookup_symbol(ph, jvm_name, SHARED_ARCHIVE_PATH_SYM);
-      if (sharedArchivePathAddrAddr == 0) {
-        print_debug("can't lookup shared archive path symbol\n");
-        return false;
-      }
-
-      if (read_pointer(ph, sharedArchivePathAddrAddr, &sharedArchivePathAddr) != true) {
-        print_debug("can't read shared archive path pointer\n");
-        return false;
-      }
-
-      if (read_string(ph, sharedArchivePathAddr, classes_jsa, sizeof(classes_jsa)) != true) {
-        print_debug("can't read shared archive path value\n");
-        return false;
-      }
-
-      print_debug("looking for %s\n", classes_jsa);
-      // open the class sharing archive file
-      fd = pathmap_open(classes_jsa);
-      if (fd < 0) {
-        print_debug("can't open %s!\n", classes_jsa);
-        ph->core->classes_jsa_fd = -1;
-        return false;
-      } else {
-        print_debug("opened %s\n", classes_jsa);
-      }
-
-      // read CDSFileMapHeaderBase from the file
-      memset(&header, 0, sizeof(CDSFileMapHeaderBase));
-      if ((n = read(fd, &header, sizeof(CDSFileMapHeaderBase)))
-           != sizeof(CDSFileMapHeaderBase)) {
-        print_debug("can't read shared archive file map header from %s\n", classes_jsa);
-        close(fd);
-        return false;
-      }
-
-      // check file magic
-      if (header._magic != CDS_ARCHIVE_MAGIC) {
-        print_debug("%s has bad shared archive file magic number 0x%x, expecting 0x%x\n",
-                    classes_jsa, header._magic, CDS_ARCHIVE_MAGIC);
-        close(fd);
-        return false;
-      }
-
-      // check version
-      if (header._version != CURRENT_CDS_ARCHIVE_VERSION) {
-        print_debug("%s has wrong shared archive file version %d, expecting %d\n",
-                     classes_jsa, header._version, CURRENT_CDS_ARCHIVE_VERSION);
-        close(fd);
-        return false;
-      }
-
-      ph->core->classes_jsa_fd = fd;
-      // add read-only maps from classes.jsa to the list of maps
-      for (m = 0; m < NUM_CDS_REGIONS; m++) {
-        if (header._space[m]._read_only) {
-          base = (uintptr_t) header._space[m]._addr._base;
-          // no need to worry about the fractional pages at-the-end.
-          // possible fractional pages are handled by core_read_data.
-          add_class_share_map_info(ph, (off_t) header._space[m]._file_offset,
-                                   base, (size_t) header._space[m]._used);
-          print_debug("added a share archive map at 0x%lx\n", base);
-        }
-      }
-      return true;
-   }
-   lib = lib->next;
-  }
-  return true;
-}
-
 
 //---------------------------------------------------------------------------
 // functions to handle map_info
--- a/src/jdk.hotspot.agent/macosx/native/libsaproc/ps_core.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.hotspot.agent/macosx/native/libsaproc/ps_core.c	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,7 +29,7 @@
 #include <stdlib.h>
 #include <stddef.h>
 #include "libproc_impl.h"
-#include "cds.h"
+#include "ps_core_common.h"
 
 #ifdef __APPLE__
 #include "sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext.h"
@@ -39,332 +39,6 @@
 // For live processes, refer to ps_proc.c. Portions of this is adapted
 // /modelled after Solaris libproc.so (in particular Pcore.c)
 
-//----------------------------------------------------------------------
-// ps_prochandle cleanup helper functions
-
-// close all file descriptors
-static void close_files(struct ps_prochandle* ph) {
-  lib_info* lib = NULL;
-
-  // close core file descriptor
-  if (ph->core->core_fd >= 0)
-    close(ph->core->core_fd);
-
-  // close exec file descriptor
-  if (ph->core->exec_fd >= 0)
-    close(ph->core->exec_fd);
-
-  // close interp file descriptor
-  if (ph->core->interp_fd >= 0)
-    close(ph->core->interp_fd);
-
-  // close class share archive file
-  if (ph->core->classes_jsa_fd >= 0)
-    close(ph->core->classes_jsa_fd);
-
-  // close all library file descriptors
-  lib = ph->libs;
-  while (lib) {
-    int fd = lib->fd;
-    if (fd >= 0 && fd != ph->core->exec_fd) {
-      close(fd);
-    }
-    lib = lib->next;
-  }
-}
-
-// clean all map_info stuff
-static void destroy_map_info(struct ps_prochandle* ph) {
-  map_info* map = ph->core->maps;
-  while (map) {
-    map_info* next = map->next;
-    free(map);
-    map = next;
-  }
-
-  if (ph->core->map_array) {
-    free(ph->core->map_array);
-  }
-
-  // Part of the class sharing workaround
-  map = ph->core->class_share_maps;
-  while (map) {
-    map_info* next = map->next;
-    free(map);
-    map = next;
-  }
-}
-
-// ps_prochandle operations
-static void core_release(struct ps_prochandle* ph) {
-  if (ph->core) {
-    close_files(ph);
-    destroy_map_info(ph);
-    free(ph->core);
-  }
-}
-
-static map_info* allocate_init_map(int fd, off_t offset, uintptr_t vaddr, size_t memsz) {
-  map_info* map;
-  if ( (map = (map_info*) calloc(1, sizeof(map_info))) == NULL) {
-    print_debug("can't allocate memory for map_info\n");
-    return NULL;
-  }
-
-  // initialize map
-  map->fd     = fd;
-  map->offset = offset;
-  map->vaddr  = vaddr;
-  map->memsz  = memsz;
-  return map;
-}
-
-// add map info with given fd, offset, vaddr and memsz
-static map_info* add_map_info(struct ps_prochandle* ph, int fd, off_t offset,
-                             uintptr_t vaddr, size_t memsz) {
-  map_info* map;
-  if ((map = allocate_init_map(fd, offset, vaddr, memsz)) == NULL) {
-    return NULL;
-  }
-
-  // add this to map list
-  map->next  = ph->core->maps;
-  ph->core->maps   = map;
-  ph->core->num_maps++;
-
-  return map;
-}
-
-// Part of the class sharing workaround
-static map_info* add_class_share_map_info(struct ps_prochandle* ph, off_t offset,
-                             uintptr_t vaddr, size_t memsz) {
-  map_info* map;
-  if ((map = allocate_init_map(ph->core->classes_jsa_fd,
-                               offset, vaddr, memsz)) == NULL) {
-    return NULL;
-  }
-
-  map->next = ph->core->class_share_maps;
-  ph->core->class_share_maps = map;
-  return map;
-}
-
-// Return the map_info for the given virtual address.  We keep a sorted
-// array of pointers in ph->map_array, so we can binary search.
-static map_info* core_lookup(struct ps_prochandle *ph, uintptr_t addr) {
-  int mid, lo = 0, hi = ph->core->num_maps - 1;
-  map_info *mp;
-
-  while (hi - lo > 1) {
-    mid = (lo + hi) / 2;
-    if (addr >= ph->core->map_array[mid]->vaddr) {
-      lo = mid;
-    } else {
-      hi = mid;
-    }
-  }
-
-  if (addr < ph->core->map_array[hi]->vaddr) {
-    mp = ph->core->map_array[lo];
-  } else {
-    mp = ph->core->map_array[hi];
-  }
-
-  if (addr >= mp->vaddr && addr < mp->vaddr + mp->memsz) {
-    return (mp);
-  }
-
-
-  // Part of the class sharing workaround
-  // Unfortunately, we have no way of detecting -Xshare state.
-  // Check out the share maps atlast, if we don't find anywhere.
-  // This is done this way so to avoid reading share pages
-  // ahead of other normal maps. For eg. with -Xshare:off we don't
-  // want to prefer class sharing data to data from core.
-  mp = ph->core->class_share_maps;
-  if (mp) {
-    print_debug("can't locate map_info at 0x%lx, trying class share maps\n", addr);
-  }
-  while (mp) {
-    if (addr >= mp->vaddr && addr < mp->vaddr + mp->memsz) {
-      print_debug("located map_info at 0x%lx from class share maps\n", addr);
-      return (mp);
-    }
-    mp = mp->next;
-  }
-
-  print_debug("can't locate map_info at 0x%lx\n", addr);
-  return (NULL);
-}
-
-//---------------------------------------------------------------
-// Part of the class sharing workaround:
-//
-// With class sharing, pages are mapped from classes.jsa file.
-// The read-only class sharing pages are mapped as MAP_SHARED,
-// PROT_READ pages. These pages are not dumped into core dump.
-// With this workaround, these pages are read from classes.jsa.
-
-static bool read_jboolean(struct ps_prochandle* ph, uintptr_t addr, jboolean* pvalue) {
-  jboolean i;
-  if (ps_pread(ph, (psaddr_t) addr, &i, sizeof(i)) == PS_OK) {
-    *pvalue = i;
-    return true;
-  } else {
-    return false;
-  }
-}
-
-static bool read_pointer(struct ps_prochandle* ph, uintptr_t addr, uintptr_t* pvalue) {
-  uintptr_t uip;
-  if (ps_pread(ph, (psaddr_t) addr, (char *)&uip, sizeof(uip)) == PS_OK) {
-    *pvalue = uip;
-    return true;
-  } else {
-    return false;
-  }
-}
-
-// used to read strings from debuggee
-static bool read_string(struct ps_prochandle* ph, uintptr_t addr, char* buf, size_t size) {
-  size_t i = 0;
-  char  c = ' ';
-
-  while (c != '\0') {
-    if (ps_pread(ph, (psaddr_t) addr, &c, sizeof(char)) != PS_OK) {
-      return false;
-    }
-    if (i < size - 1) {
-      buf[i] = c;
-    } else {
-      // smaller buffer
-      return false;
-    }
-    i++; addr++;
-  }
-  buf[i] = '\0';
-  return true;
-}
-
-// mangled name of Arguments::SharedArchivePath
-#define SHARED_ARCHIVE_PATH_SYM "__ZN9Arguments17SharedArchivePathE"
-
-#ifdef __APPLE__
-#define USE_SHARED_SPACES_SYM "_UseSharedSpaces"
-#define LIBJVM_NAME "/libjvm.dylib"
-#else
-#define USE_SHARED_SPACES_SYM "UseSharedSpaces"
-#define LIBJVM_NAME "/libjvm.so"
-#endif // __APPLE_
-
-static bool init_classsharing_workaround(struct ps_prochandle* ph) {
-  int m;
-  size_t n;
-  lib_info* lib = ph->libs;
-  while (lib != NULL) {
-    // we are iterating over shared objects from the core dump. look for
-    // libjvm.so.
-    const char *jvm_name = 0;
-    if ((jvm_name = strstr(lib->name, LIBJVM_NAME)) != 0) {
-      char classes_jsa[PATH_MAX];
-      CDSFileMapHeaderBase header;
-      int fd = -1;
-      uintptr_t base = 0, useSharedSpacesAddr = 0;
-      uintptr_t sharedArchivePathAddrAddr = 0, sharedArchivePathAddr = 0;
-      jboolean useSharedSpaces = 0;
-
-      memset(classes_jsa, 0, sizeof(classes_jsa));
-      jvm_name = lib->name;
-      useSharedSpacesAddr = lookup_symbol(ph, jvm_name, USE_SHARED_SPACES_SYM);
-      if (useSharedSpacesAddr == 0) {
-        print_debug("can't lookup 'UseSharedSpaces' flag\n");
-        return false;
-      }
-
-      // Hotspot vm types are not exported to build this library. So
-      // using equivalent type jboolean to read the value of
-      // UseSharedSpaces which is same as hotspot type "bool".
-      if (read_jboolean(ph, useSharedSpacesAddr, &useSharedSpaces) != true) {
-        print_debug("can't read the value of 'UseSharedSpaces' flag\n");
-        return false;
-      }
-
-      if ((int)useSharedSpaces == 0) {
-        print_debug("UseSharedSpaces is false, assuming -Xshare:off!\n");
-        return true;
-      }
-
-      sharedArchivePathAddrAddr = lookup_symbol(ph, jvm_name, SHARED_ARCHIVE_PATH_SYM);
-      if (sharedArchivePathAddrAddr == 0) {
-        print_debug("can't lookup shared archive path symbol\n");
-        return false;
-      }
-
-      if (read_pointer(ph, sharedArchivePathAddrAddr, &sharedArchivePathAddr) != true) {
-        print_debug("can't read shared archive path pointer\n");
-        return false;
-      }
-
-      if (read_string(ph, sharedArchivePathAddr, classes_jsa, sizeof(classes_jsa)) != true) {
-        print_debug("can't read shared archive path value\n");
-        return false;
-      }
-
-      print_debug("looking for %s\n", classes_jsa);
-      // open the class sharing archive file
-      fd = pathmap_open(classes_jsa);
-      if (fd < 0) {
-        print_debug("can't open %s!\n", classes_jsa);
-        ph->core->classes_jsa_fd = -1;
-        return false;
-      } else {
-        print_debug("opened %s\n", classes_jsa);
-      }
-
-      // read CDSFileMapHeaderBase from the file
-      memset(&header, 0, sizeof(CDSFileMapHeaderBase));
-      if ((n = read(fd, &header, sizeof(CDSFileMapHeaderBase)))
-           != sizeof(CDSFileMapHeaderBase)) {
-        print_debug("can't read shared archive file map header from %s\n", classes_jsa);
-        close(fd);
-        return false;
-      }
-
-      // check file magic
-      if (header._magic != CDS_ARCHIVE_MAGIC) {
-        print_debug("%s has bad shared archive file magic number 0x%x, expecting 0x%x\n",
-                    classes_jsa, header._magic, CDS_ARCHIVE_MAGIC);
-        close(fd);
-        return false;
-      }
-
-      // check version
-      if (header._version != CURRENT_CDS_ARCHIVE_VERSION) {
-        print_debug("%s has wrong shared archive file version %d, expecting %d\n",
-                     classes_jsa, header._version, CURRENT_CDS_ARCHIVE_VERSION);
-        close(fd);
-        return false;
-      }
-
-      ph->core->classes_jsa_fd = fd;
-      // add read-only maps from classes.jsa to the list of maps
-      for (m = 0; m < NUM_CDS_REGIONS; m++) {
-        if (header._space[m]._read_only) {
-          base = (uintptr_t) header._space[m]._addr._base;
-          // no need to worry about the fractional pages at-the-end.
-          // possible fractional pages are handled by core_read_data.
-          add_class_share_map_info(ph, (off_t) header._space[m]._file_offset,
-                                   base, (size_t) header._space[m]._used);
-          print_debug("added a share archive map at 0x%lx\n", base);
-        }
-      }
-      return true;
-   }
-   lib = lib->next;
-  }
-  return true;
-}
-
 //---------------------------------------------------------------------------
 // functions to handle map_info
 
--- a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/code/NMethod.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/code/NMethod.java	Wed Oct 16 15:31:05 2019 +0200
@@ -306,12 +306,17 @@
   /** This is only for use by the debugging system, and is only
       intended for use in the topmost frame, where we are not
       guaranteed to be at a PC for which we have a PCDesc. It finds
-      the PCDesc with realPC closest to the current PC. */
+      the PCDesc with realPC closest to the current PC that has
+      a valid scope decode offset. */
   public PCDesc getPCDescNearDbg(Address pc) {
     PCDesc bestGuessPCDesc = null;
     long bestDistance = 0;
     for (Address p = scopesPCsBegin(); p.lessThan(scopesPCsEnd()); p = p.addOffsetTo(pcDescSize)) {
       PCDesc pcDesc = new PCDesc(p);
+      if (pcDesc.getScopeDecodeOffset() == DebugInformationRecorder.SERIALIZED_NULL) {
+        // We've observed a serialized null decode offset. Ignore this PcDesc.
+        continue;
+      }
       // In case pc is null
       long distance = -pcDesc.getRealPC(this).minus(pc);
       if ((bestGuessPCDesc == null) ||
--- a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/compiler/OopMapValue.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/compiler/OopMapValue.java	Wed Oct 16 15:31:05 2019 +0200
@@ -47,7 +47,6 @@
   static int REGISTER_MASK_IN_PLACE;
 
   // Types of OopValues
-  static int UNUSED_VALUE;
   static int OOP_VALUE;
   static int NARROWOOP_VALUE;
   static int CALLEE_SAVED_VALUE;
@@ -70,7 +69,6 @@
     TYPE_MASK_IN_PLACE     = db.lookupIntConstant("OopMapValue::type_mask_in_place").intValue();
     REGISTER_MASK          = db.lookupIntConstant("OopMapValue::register_mask").intValue();
     REGISTER_MASK_IN_PLACE = db.lookupIntConstant("OopMapValue::register_mask_in_place").intValue();
-    UNUSED_VALUE           = db.lookupIntConstant("OopMapValue::unused_value").intValue();
     OOP_VALUE              = db.lookupIntConstant("OopMapValue::oop_value").intValue();
     NARROWOOP_VALUE        = db.lookupIntConstant("OopMapValue::narrowoop_value").intValue();
     CALLEE_SAVED_VALUE     = db.lookupIntConstant("OopMapValue::callee_saved_value").intValue();
@@ -78,7 +76,6 @@
   }
 
   public static abstract class OopTypes {
-    public static final OopTypes UNUSED_VALUE       = new OopTypes() { int getValue() { return OopMapValue.UNUSED_VALUE;       }};
     public static final OopTypes OOP_VALUE          = new OopTypes() { int getValue() { return OopMapValue.OOP_VALUE;          }};
     public static final OopTypes NARROWOOP_VALUE    = new OopTypes() { int getValue() { return OopMapValue.NARROWOOP_VALUE;         }};
     public static final OopTypes CALLEE_SAVED_VALUE = new OopTypes() { int getValue() { return OopMapValue.CALLEE_SAVED_VALUE; }};
@@ -111,8 +108,7 @@
 
   public OopTypes getType() {
     int which = (getValue() & TYPE_MASK_IN_PLACE);
-         if (which == UNUSED_VALUE) return OopTypes.UNUSED_VALUE;
-    else if (which == OOP_VALUE)    return OopTypes.OOP_VALUE;
+         if (which == OOP_VALUE)    return OopTypes.OOP_VALUE;
     else if (which == NARROWOOP_VALUE)   return OopTypes.NARROWOOP_VALUE;
     else if (which == CALLEE_SAVED_VALUE) return OopTypes.CALLEE_SAVED_VALUE;
     else if (which == DERIVED_OOP_VALUE)  return OopTypes.DERIVED_OOP_VALUE;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/NotificationThread.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package sun.jvm.hotspot.runtime;
+
+
+import sun.jvm.hotspot.debugger.Address;
+
+public class NotificationThread extends JavaThread {
+    public NotificationThread(Address addr) {
+        super(addr);
+    }
+
+    public boolean isJavaThread() { return false; }
+
+}
--- a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/Threads.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/Threads.java	Wed Oct 16 15:31:05 2019 +0200
@@ -158,6 +158,7 @@
         }
         virtualConstructor.addMapping("JvmtiAgentThread", JvmtiAgentThread.class);
         virtualConstructor.addMapping("ServiceThread", ServiceThread.class);
+        virtualConstructor.addMapping("NotificationThread", NotificationThread.class);
     }
 
     public Threads() {
@@ -165,14 +166,14 @@
     }
 
     /** NOTE: this returns objects of type JavaThread, CompilerThread,
-      JvmtiAgentThread, and ServiceThread.
+      JvmtiAgentThread, NotificationThread, and ServiceThread.
       The latter four are subclasses of the former. Most operations
       (fetching the top frame, etc.) are only allowed to be performed on
       a "pure" JavaThread. For this reason, {@link
       sun.jvm.hotspot.runtime.JavaThread#isJavaThread} has been
       changed from the definition in the VM (which returns true for
       all of these thread types) to return true for JavaThreads and
-      false for the three subclasses. FIXME: should reconsider the
+      false for the four subclasses. FIXME: should reconsider the
       inheritance hierarchy; see {@link
       sun.jvm.hotspot.runtime.JavaThread#isJavaThread}. */
     public JavaThread getJavaThreadAt(int i) {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.hotspot.agent/share/native/libsaproc/ps_core_common.c	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,385 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include <jni.h> // just include something, or else solaris compiler will complain that this file is empty
+
+#if defined(LINUX) || defined(__APPLE__)
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>
+#ifdef LINUX
+#include <elf.h>
+#include <link.h>
+#include "proc_service.h"
+#include "salibelf.h"
+#endif
+#include "libproc_impl.h"
+#include "cds.h"
+
+#ifdef __APPLE__
+#include "sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext.h"
+#endif
+
+#ifdef LINUX
+// I have no idea why this function is called ps_pread() on macos but ps_pdread on linux.
+#define ps_pread ps_pdread
+#endif
+
+// Common code shared between linux/native/libsaproc/ps_core.c and macosx/native/libsaproc/ps_core.c
+
+//----------------------------------------------------------------------
+// ps_prochandle cleanup helper functions
+
+// close all file descriptors
+static void close_files(struct ps_prochandle* ph) {
+  lib_info* lib = NULL;
+
+  // close core file descriptor
+  if (ph->core->core_fd >= 0)
+    close(ph->core->core_fd);
+
+  // close exec file descriptor
+  if (ph->core->exec_fd >= 0)
+    close(ph->core->exec_fd);
+
+  // close interp file descriptor
+  if (ph->core->interp_fd >= 0)
+    close(ph->core->interp_fd);
+
+  // close class share archive file
+  if (ph->core->classes_jsa_fd >= 0)
+    close(ph->core->classes_jsa_fd);
+
+  // close all library file descriptors
+  lib = ph->libs;
+  while (lib) {
+    int fd = lib->fd;
+    if (fd >= 0 && fd != ph->core->exec_fd) {
+      close(fd);
+    }
+    lib = lib->next;
+  }
+}
+
+// clean all map_info stuff
+static void destroy_map_info(struct ps_prochandle* ph) {
+  map_info* map = ph->core->maps;
+  while (map) {
+    map_info* next = map->next;
+    free(map);
+    map = next;
+  }
+
+  if (ph->core->map_array) {
+    free(ph->core->map_array);
+  }
+
+  // Part of the class sharing workaround
+  map = ph->core->class_share_maps;
+  while (map) {
+    map_info* next = map->next;
+    free(map);
+    map = next;
+  }
+}
+
+// ps_prochandle operations
+void core_release(struct ps_prochandle* ph) {
+  if (ph->core) {
+    close_files(ph);
+    destroy_map_info(ph);
+    free(ph->core);
+  }
+}
+
+static map_info* allocate_init_map(int fd, off_t offset, uintptr_t vaddr, size_t memsz) {
+  map_info* map;
+  if ( (map = (map_info*) calloc(1, sizeof(map_info))) == NULL) {
+    print_debug("can't allocate memory for map_info\n");
+    return NULL;
+  }
+
+  // initialize map
+  map->fd     = fd;
+  map->offset = offset;
+  map->vaddr  = vaddr;
+  map->memsz  = memsz;
+  return map;
+}
+
+// add map info with given fd, offset, vaddr and memsz
+map_info* add_map_info(struct ps_prochandle* ph, int fd, off_t offset,
+                       uintptr_t vaddr, size_t memsz) {
+  map_info* map;
+  if ((map = allocate_init_map(fd, offset, vaddr, memsz)) == NULL) {
+    return NULL;
+  }
+
+  // add this to map list
+  map->next  = ph->core->maps;
+  ph->core->maps   = map;
+  ph->core->num_maps++;
+
+  return map;
+}
+
+// Part of the class sharing workaround
+static map_info* add_class_share_map_info(struct ps_prochandle* ph, off_t offset,
+                             uintptr_t vaddr, size_t memsz) {
+  map_info* map;
+  if ((map = allocate_init_map(ph->core->classes_jsa_fd,
+                               offset, vaddr, memsz)) == NULL) {
+    return NULL;
+  }
+
+  map->next = ph->core->class_share_maps;
+  ph->core->class_share_maps = map;
+  return map;
+}
+
+// Return the map_info for the given virtual address.  We keep a sorted
+// array of pointers in ph->map_array, so we can binary search.
+map_info* core_lookup(struct ps_prochandle *ph, uintptr_t addr) {
+  int mid, lo = 0, hi = ph->core->num_maps - 1;
+  map_info *mp;
+
+  while (hi - lo > 1) {
+    mid = (lo + hi) / 2;
+    if (addr >= ph->core->map_array[mid]->vaddr) {
+      lo = mid;
+    } else {
+      hi = mid;
+    }
+  }
+
+  if (addr < ph->core->map_array[hi]->vaddr) {
+    mp = ph->core->map_array[lo];
+  } else {
+    mp = ph->core->map_array[hi];
+  }
+
+  if (addr >= mp->vaddr && addr < mp->vaddr + mp->memsz) {
+    return (mp);
+  }
+
+
+  // Part of the class sharing workaround
+  // Unfortunately, we have no way of detecting -Xshare state.
+  // Check out the share maps atlast, if we don't find anywhere.
+  // This is done this way so to avoid reading share pages
+  // ahead of other normal maps. For eg. with -Xshare:off we don't
+  // want to prefer class sharing data to data from core.
+  mp = ph->core->class_share_maps;
+  if (mp) {
+    print_debug("can't locate map_info at 0x%lx, trying class share maps\n", addr);
+  }
+  while (mp) {
+    if (addr >= mp->vaddr && addr < mp->vaddr + mp->memsz) {
+      print_debug("located map_info at 0x%lx from class share maps\n", addr);
+      return (mp);
+    }
+    mp = mp->next;
+  }
+
+  print_debug("can't locate map_info at 0x%lx\n", addr);
+  return (NULL);
+}
+
+//---------------------------------------------------------------
+// Part of the class sharing workaround:
+//
+// With class sharing, pages are mapped from classes.jsa file.
+// The read-only class sharing pages are mapped as MAP_SHARED,
+// PROT_READ pages. These pages are not dumped into core dump.
+// With this workaround, these pages are read from classes.jsa.
+
+static bool read_jboolean(struct ps_prochandle* ph, uintptr_t addr, jboolean* pvalue) {
+  jboolean i;
+  if (ps_pread(ph, (psaddr_t) addr, &i, sizeof(i)) == PS_OK) {
+    *pvalue = i;
+    return true;
+  } else {
+    return false;
+  }
+}
+
+static bool read_pointer(struct ps_prochandle* ph, uintptr_t addr, uintptr_t* pvalue) {
+  uintptr_t uip;
+  if (ps_pread(ph, (psaddr_t) addr, (char *)&uip, sizeof(uip)) == PS_OK) {
+    *pvalue = uip;
+    return true;
+  } else {
+    return false;
+  }
+}
+
+// used to read strings from debuggee
+bool read_string(struct ps_prochandle* ph, uintptr_t addr, char* buf, size_t size) {
+  size_t i = 0;
+  char  c = ' ';
+
+  while (c != '\0') {
+    if (ps_pread(ph, (psaddr_t) addr, &c, sizeof(char)) != PS_OK) {
+      return false;
+    }
+    if (i < size - 1) {
+      buf[i] = c;
+    } else {
+      // smaller buffer
+      return false;
+    }
+    i++; addr++;
+  }
+  buf[i] = '\0';
+  return true;
+}
+
+#ifdef LINUX
+// mangled name of Arguments::SharedArchivePath
+#define SHARED_ARCHIVE_PATH_SYM "_ZN9Arguments17SharedArchivePathE"
+#define USE_SHARED_SPACES_SYM "UseSharedSpaces"
+#define LIBJVM_NAME "/libjvm.so"
+#endif
+
+#ifdef __APPLE__
+// mangled name of Arguments::SharedArchivePath
+#define SHARED_ARCHIVE_PATH_SYM "__ZN9Arguments17SharedArchivePathE"
+#define USE_SHARED_SPACES_SYM "_UseSharedSpaces"
+#define LIBJVM_NAME "/libjvm.dylib"
+#endif
+
+bool init_classsharing_workaround(struct ps_prochandle* ph) {
+  lib_info* lib = ph->libs;
+  while (lib != NULL) {
+    // we are iterating over shared objects from the core dump. look for
+    // libjvm.so.
+    const char *jvm_name = 0;
+    if ((jvm_name = strstr(lib->name, LIBJVM_NAME)) != 0) {
+      char classes_jsa[PATH_MAX];
+      CDSFileMapHeaderBase header;
+      int fd = -1;
+      uintptr_t base = 0, useSharedSpacesAddr = 0;
+      uintptr_t sharedArchivePathAddrAddr = 0, sharedArchivePathAddr = 0;
+      jboolean useSharedSpaces = 0;
+      int m;
+      size_t n;
+
+      memset(classes_jsa, 0, sizeof(classes_jsa));
+      jvm_name = lib->name;
+      useSharedSpacesAddr = lookup_symbol(ph, jvm_name, USE_SHARED_SPACES_SYM);
+      if (useSharedSpacesAddr == 0) {
+        print_debug("can't lookup 'UseSharedSpaces' flag\n");
+        return false;
+      }
+
+      // Hotspot vm types are not exported to build this library. So
+      // using equivalent type jboolean to read the value of
+      // UseSharedSpaces which is same as hotspot type "bool".
+      if (read_jboolean(ph, useSharedSpacesAddr, &useSharedSpaces) != true) {
+        print_debug("can't read the value of 'UseSharedSpaces' flag\n");
+        return false;
+      }
+
+      if ((int)useSharedSpaces == 0) {
+        print_debug("UseSharedSpaces is false, assuming -Xshare:off!\n");
+        return true;
+      }
+
+      sharedArchivePathAddrAddr = lookup_symbol(ph, jvm_name, SHARED_ARCHIVE_PATH_SYM);
+      if (sharedArchivePathAddrAddr == 0) {
+        print_debug("can't lookup shared archive path symbol\n");
+        return false;
+      }
+
+      if (read_pointer(ph, sharedArchivePathAddrAddr, &sharedArchivePathAddr) != true) {
+        print_debug("can't read shared archive path pointer\n");
+        return false;
+      }
+
+      if (read_string(ph, sharedArchivePathAddr, classes_jsa, sizeof(classes_jsa)) != true) {
+        print_debug("can't read shared archive path value\n");
+        return false;
+      }
+
+      print_debug("looking for %s\n", classes_jsa);
+      // open the class sharing archive file
+      fd = pathmap_open(classes_jsa);
+      if (fd < 0) {
+        print_debug("can't open %s!\n", classes_jsa);
+        ph->core->classes_jsa_fd = -1;
+        return false;
+      } else {
+        print_debug("opened %s\n", classes_jsa);
+      }
+
+      // read CDSFileMapHeaderBase from the file
+      memset(&header, 0, sizeof(CDSFileMapHeaderBase));
+      if ((n = read(fd, &header, sizeof(CDSFileMapHeaderBase)))
+           != sizeof(CDSFileMapHeaderBase)) {
+        print_debug("can't read shared archive file map header from %s\n", classes_jsa);
+        close(fd);
+        return false;
+      }
+
+      // check file magic
+      if (header._magic != CDS_ARCHIVE_MAGIC) {
+        print_debug("%s has bad shared archive file magic number 0x%x, expecting 0x%x\n",
+                    classes_jsa, header._magic, CDS_ARCHIVE_MAGIC);
+        close(fd);
+        return false;
+      }
+
+      // check version
+      if (header._version != CURRENT_CDS_ARCHIVE_VERSION) {
+        print_debug("%s has wrong shared archive file version %d, expecting %d\n",
+                     classes_jsa, header._version, CURRENT_CDS_ARCHIVE_VERSION);
+        close(fd);
+        return false;
+      }
+
+      ph->core->classes_jsa_fd = fd;
+      // add read-only maps from classes.jsa to the list of maps
+      for (m = 0; m < NUM_CDS_REGIONS; m++) {
+        if (header._space[m]._read_only) {
+          // With *some* linux versions, the core file doesn't include read-only mmap'ed
+          // files regions, so let's add them here. This is harmless if the core file also
+          // include these regions.
+          base = (uintptr_t) header._space[m]._addr._base;
+          // no need to worry about the fractional pages at-the-end.
+          // possible fractional pages are handled by core_read_data.
+          add_class_share_map_info(ph, (off_t) header._space[m]._file_offset,
+                                   base, (size_t) header._space[m]._used);
+          print_debug("added a share archive map at 0x%lx\n", base);
+        }
+      }
+      return true;
+   }
+   lib = lib->next;
+  }
+  return true;
+}
+
+#endif // defined(LINUX) || defined(__APPLE__)
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.hotspot.agent/share/native/libsaproc/ps_core_common.h	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef _PS_CORE_COMMON_H_
+#define _PS_CORE_COMMON_H_
+
+map_info* core_lookup(struct ps_prochandle *ph, uintptr_t addr);
+map_info* add_map_info(struct ps_prochandle* ph, int fd, off_t offset,
+                       uintptr_t vaddr, size_t memsz);
+void core_release(struct ps_prochandle* ph);
+bool read_string(struct ps_prochandle* ph, uintptr_t addr, char* buf, size_t size);
+bool init_classsharing_workaround(struct ps_prochandle* ph);
+
+#endif // _PS_CORE_COMMON_H_
--- a/src/jdk.httpserver/share/classes/com/sun/net/httpserver/spi/HttpServerProvider.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.httpserver/share/classes/com/sun/net/httpserver/spi/HttpServerProvider.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -133,8 +133,9 @@
      * <ol>
      *
      *   <li><p> If the system property
-     *   {@code com.sun.net.httpserver.HttpServerProvider} is defined then it
-     *   is taken to be the fully-qualified name of a concrete provider class.
+     *   {@systemProperty com.sun.net.httpserver.HttpServerProvider}
+     *   is defined then it is taken to be the fully-qualified name
+     *   of a concrete provider class.
      *   The class is loaded and instantiated; if this process fails then an
      *   unspecified unchecked error or exception is thrown.  </p></li>
      *
--- a/src/jdk.internal.vm.compiler.management/share/classes/org.graalvm.compiler.hotspot.management/src/org/graalvm/compiler/hotspot/management/HotSpotGraalManagement.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler.management/share/classes/org.graalvm.compiler.hotspot.management/src/org/graalvm/compiler/hotspot/management/HotSpotGraalManagement.java	Wed Oct 16 15:31:05 2019 +0200
@@ -36,6 +36,7 @@
 import javax.management.ObjectName;
 
 import org.graalvm.compiler.debug.TTY;
+import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
 import org.graalvm.compiler.hotspot.HotSpotGraalManagementRegistration;
 import org.graalvm.compiler.hotspot.HotSpotGraalRuntime;
 import org.graalvm.compiler.serviceprovider.ServiceProvider;
@@ -56,7 +57,7 @@
     HotSpotGraalManagement nextDeferred;
 
     @Override
-    public void initialize(HotSpotGraalRuntime runtime) {
+    public void initialize(HotSpotGraalRuntime runtime, GraalHotSpotVMConfig config) {
         if (bean == null) {
             if (runtime.getManagement() != this) {
                 throw new IllegalArgumentException("Cannot initialize a second management object for runtime " + runtime.getName());
--- a/src/jdk.internal.vm.compiler.management/share/classes/org.graalvm.compiler.hotspot.management/src/org/graalvm/compiler/hotspot/management/HotSpotGraalRuntimeMBean.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler.management/share/classes/org.graalvm.compiler.hotspot.management/src/org/graalvm/compiler/hotspot/management/HotSpotGraalRuntimeMBean.java	Wed Oct 16 15:31:05 2019 +0200
@@ -57,7 +57,7 @@
 /**
  * MBean used to access properties and operations of a {@link HotSpotGraalRuntime} instance.
  */
-final class HotSpotGraalRuntimeMBean implements DynamicMBean {
+public final class HotSpotGraalRuntimeMBean implements DynamicMBean {
 
     /**
      * The runtime instance to which this bean provides a management connection.
@@ -69,16 +69,16 @@
      */
     private final ObjectName objectName;
 
-    HotSpotGraalRuntimeMBean(ObjectName objectName, HotSpotGraalRuntime runtime) {
+    public HotSpotGraalRuntimeMBean(ObjectName objectName, HotSpotGraalRuntime runtime) {
         this.objectName = objectName;
         this.runtime = runtime;
     }
 
-    ObjectName getObjectName() {
+    public ObjectName getObjectName() {
         return objectName;
     }
 
-    HotSpotGraalRuntime getRuntime() {
+    public HotSpotGraalRuntime getRuntime() {
         return runtime;
     }
 
--- a/src/jdk.internal.vm.compiler.management/share/classes/org.graalvm.compiler.hotspot.management/src/org/graalvm/compiler/hotspot/management/JMXServiceProvider.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,69 +0,0 @@
-/*
- * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-package org.graalvm.compiler.hotspot.management;
-
-import static java.lang.Thread.currentThread;
-
-import java.lang.management.ManagementFactory;
-import java.util.List;
-
-import org.graalvm.compiler.serviceprovider.ServiceProvider;
-import org.graalvm.compiler.serviceprovider.JMXService;
-
-import com.sun.management.ThreadMXBean;
-
-/**
- * Implementation of {@link JMXService} for JDK 13 and later.
- */
-@ServiceProvider(JMXService.class)
-public class JMXServiceProvider extends JMXService {
-    private final ThreadMXBean threadMXBean = (ThreadMXBean) ManagementFactory.getThreadMXBean();
-
-    @Override
-    protected long getThreadAllocatedBytes(long id) {
-        return threadMXBean.getThreadAllocatedBytes(id);
-    }
-
-    @Override
-    protected long getCurrentThreadCpuTime() {
-        long[] times = threadMXBean.getThreadCpuTime(new long[]{currentThread().getId()});
-        return times[0];
-    }
-
-    @Override
-    protected boolean isThreadAllocatedMemorySupported() {
-        return threadMXBean.isThreadAllocatedMemorySupported();
-    }
-
-    @Override
-    protected boolean isCurrentThreadCpuTimeSupported() {
-        return threadMXBean.isThreadCpuTimeSupported();
-    }
-
-    @Override
-    protected List<String> getInputArguments() {
-        return ManagementFactory.getRuntimeMXBean().getInputArguments();
-    }
-}
--- a/src/jdk.internal.vm.compiler.management/share/classes/org.graalvm.compiler.hotspot.management/src/org/graalvm/compiler/hotspot/management/package-info.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/**
- * JDK 11 and later versioned overlay for the {@code jdk.internal.vm.compiler.management} module.
- * This cannot be used in JDK 10 where {@code jdk.internal.vm.compiler.management} is a
- * non-upgradeable module.
- */
-
-
-package org.graalvm.compiler.hotspot.management;
--- a/src/jdk.internal.vm.compiler/share/classes/jdk.internal.vm.compiler.libgraal/src/jdk/internal/vm/compiler/libgraal/OptionsEncoder.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/jdk.internal.vm.compiler.libgraal/src/jdk/internal/vm/compiler/libgraal/OptionsEncoder.java	Wed Oct 16 15:31:05 2019 +0200
@@ -29,7 +29,7 @@
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
-import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 
 /**
@@ -122,7 +122,7 @@
      * @throws IllegalArgumentException if {@code input} cannot be decoded
      */
     public static Map<String, Object> decode(byte[] input) {
-        Map<String, Object> res = new HashMap<>();
+        Map<String, Object> res = new LinkedHashMap<>();
         try (DataInputStream in = new DataInputStream(new ByteArrayInputStream(input))) {
             final int size = in.readInt();
             for (int i = 0; i < size; i++) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.asm.aarch64/src/org/graalvm/compiler/asm/aarch64/AArch64MacroAssembler.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.asm.aarch64/src/org/graalvm/compiler/asm/aarch64/AArch64MacroAssembler.java	Wed Oct 16 15:31:05 2019 +0200
@@ -25,6 +25,11 @@
 
 package org.graalvm.compiler.asm.aarch64;
 
+import static jdk.vm.ci.aarch64.AArch64.CPU;
+import static jdk.vm.ci.aarch64.AArch64.rscratch1;
+import static jdk.vm.ci.aarch64.AArch64.rscratch2;
+import static jdk.vm.ci.aarch64.AArch64.sp;
+import static jdk.vm.ci.aarch64.AArch64.zr;
 import static org.graalvm.compiler.asm.aarch64.AArch64Address.AddressingMode.BASE_REGISTER_ONLY;
 import static org.graalvm.compiler.asm.aarch64.AArch64Address.AddressingMode.EXTENDED_REGISTER_OFFSET;
 import static org.graalvm.compiler.asm.aarch64.AArch64Address.AddressingMode.IMMEDIATE_SCALED;
@@ -35,13 +40,6 @@
 import static org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler.AddressGenerationPlan.WorkPlan.NO_WORK;
 
 import org.graalvm.compiler.asm.BranchTargetOutOfBoundsException;
-
-import static jdk.vm.ci.aarch64.AArch64.CPU;
-import static jdk.vm.ci.aarch64.AArch64.r8;
-import static jdk.vm.ci.aarch64.AArch64.r9;
-import static jdk.vm.ci.aarch64.AArch64.sp;
-import static jdk.vm.ci.aarch64.AArch64.zr;
-
 import org.graalvm.compiler.asm.Label;
 import org.graalvm.compiler.core.common.NumUtil;
 import org.graalvm.compiler.debug.GraalError;
@@ -52,7 +50,7 @@
 
 public class AArch64MacroAssembler extends AArch64Assembler {
 
-    private final ScratchRegister[] scratchRegister = new ScratchRegister[]{new ScratchRegister(r8), new ScratchRegister(r9)};
+    private final ScratchRegister[] scratchRegister = new ScratchRegister[]{new ScratchRegister(rscratch1), new ScratchRegister(rscratch2)};
 
     // Points to the next free scratch register
     private int nextFreeScratchRegister = 0;
@@ -1310,6 +1308,20 @@
         super.fmsub(size, dst, dst, d, n);
     }
 
+    /**
+     * dst = src1 * src2 + src3.
+     *
+     * @param size register size.
+     * @param dst floating point register. May not be null.
+     * @param src1 floating point register. May not be null.
+     * @param src2 floating point register. May not be null.
+     * @param src3 floating point register. May not be null.
+     */
+    @Override
+    public void fmadd(int size, Register dst, Register src1, Register src2, Register src3) {
+        super.fmadd(size, dst, src1, src2, src3);
+    }
+
     /* Branches */
 
     /**
@@ -1367,32 +1379,32 @@
                 case 64: {
                     // Be careful with registers: it's possible that x, y, and dst are the same
                     // register.
-                    Register rscratch1 = sc1.getRegister();
-                    Register rscratch2 = sc2.getRegister();
-                    mul(64, rscratch1, x, y);     // Result bits 0..63
-                    smulh(64, rscratch2, x, y);  // Result bits 64..127
+                    Register temp1 = sc1.getRegister();
+                    Register temp2 = sc2.getRegister();
+                    mul(64, temp1, x, y);     // Result bits 0..63
+                    smulh(64, temp2, x, y);  // Result bits 64..127
                     // Top is pure sign ext
-                    subs(64, zr, rscratch2, rscratch1, ShiftType.ASR, 63);
+                    subs(64, zr, temp2, temp1, ShiftType.ASR, 63);
                     // Copy all 64 bits of the result into dst
-                    mov(64, dst, rscratch1);
-                    mov(rscratch1, 0x80000000);
+                    mov(64, dst, temp1);
+                    mov(temp1, 0x80000000);
                     // Develop 0 (EQ), or 0x80000000 (NE)
-                    cmov(32, rscratch1, rscratch1, zr, ConditionFlag.NE);
-                    cmp(32, rscratch1, 1);
+                    cmov(32, temp1, temp1, zr, ConditionFlag.NE);
+                    cmp(32, temp1, 1);
                     // 0x80000000 - 1 => VS
                     break;
                 }
                 case 32: {
-                    Register rscratch1 = sc1.getRegister();
-                    smaddl(rscratch1, x, y, zr);
+                    Register temp1 = sc1.getRegister();
+                    smaddl(temp1, x, y, zr);
                     // Copy the low 32 bits of the result into dst
-                    mov(32, dst, rscratch1);
-                    subs(64, zr, rscratch1, rscratch1, ExtendType.SXTW, 0);
+                    mov(32, dst, temp1);
+                    subs(64, zr, temp1, temp1, ExtendType.SXTW, 0);
                     // NE => overflow
-                    mov(rscratch1, 0x80000000);
+                    mov(temp1, 0x80000000);
                     // Develop 0 (EQ), or 0x80000000 (NE)
-                    cmov(32, rscratch1, rscratch1, zr, ConditionFlag.NE);
-                    cmp(32, rscratch1, 1);
+                    cmov(32, temp1, temp1, zr, ConditionFlag.NE);
+                    cmp(32, temp1, 1);
                     // 0x80000000 - 1 => VS
                     break;
                 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64/src/org/graalvm/compiler/core/aarch64/AArch64ArithmeticLIRGenerator.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64/src/org/graalvm/compiler/core/aarch64/AArch64ArithmeticLIRGenerator.java	Wed Oct 16 15:31:05 2019 +0200
@@ -229,9 +229,12 @@
     }
 
     private Value emitMultiplyAddSub(AArch64ArithmeticOp op, Value a, Value b, Value c) {
-        assert isNumericInteger(a.getPlatformKind());
-        assert isNumericInteger(b.getPlatformKind());
-        assert isNumericInteger(c.getPlatformKind());
+        assert a.getPlatformKind() == b.getPlatformKind() && b.getPlatformKind() == c.getPlatformKind();
+        if (op == AArch64ArithmeticOp.ADD || op == AArch64ArithmeticOp.SUB) {
+            assert isNumericInteger(a.getPlatformKind());
+        } else if (op == AArch64ArithmeticOp.FADD) {
+            assert a.getPlatformKind() == AArch64Kind.SINGLE || a.getPlatformKind() == AArch64Kind.DOUBLE;
+        }
 
         Variable result = getLIRGen().newVariable(LIRKind.combine(a, b, c));
         AllocatableValue x = moveSp(asAllocatable(a));
@@ -447,6 +450,11 @@
     }
 
     @Override
+    public Value emitFusedMultiplyAdd(Value a, Value b, Value c) {
+        return emitMultiplyAddSub(AArch64ArithmeticOp.FADD, a, b, c);
+    }
+
+    @Override
     public Value emitCountLeadingZeros(Value value) {
         Variable result = getLIRGen().newVariable(LIRKind.combine(value).changeType(AArch64Kind.DWORD));
         getLIRGen().append(new AArch64BitManipulationOp(getLIRGen(), CLZ, result, asAllocatable(value)));
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64/src/org/graalvm/compiler/core/aarch64/AArch64LIRGenerator.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64/src/org/graalvm/compiler/core/aarch64/AArch64LIRGenerator.java	Wed Oct 16 15:31:05 2019 +0200
@@ -48,6 +48,10 @@
 import org.graalvm.compiler.lir.aarch64.AArch64ArithmeticOp;
 import org.graalvm.compiler.lir.aarch64.AArch64ArrayCompareToOp;
 import org.graalvm.compiler.lir.aarch64.AArch64ArrayEqualsOp;
+import org.graalvm.compiler.lir.aarch64.AArch64AtomicMove.AtomicReadAndAddLSEOp;
+import org.graalvm.compiler.lir.aarch64.AArch64AtomicMove.AtomicReadAndAddOp;
+import org.graalvm.compiler.lir.aarch64.AArch64AtomicMove.AtomicReadAndWriteOp;
+import org.graalvm.compiler.lir.aarch64.AArch64AtomicMove.CompareAndSwapOp;
 import org.graalvm.compiler.lir.aarch64.AArch64ByteSwapOp;
 import org.graalvm.compiler.lir.aarch64.AArch64Compare;
 import org.graalvm.compiler.lir.aarch64.AArch64ControlFlow;
@@ -59,10 +63,6 @@
 import org.graalvm.compiler.lir.aarch64.AArch64ControlFlow.TableSwitchOp;
 import org.graalvm.compiler.lir.aarch64.AArch64LIRFlagsVersioned;
 import org.graalvm.compiler.lir.aarch64.AArch64Move;
-import org.graalvm.compiler.lir.aarch64.AArch64AtomicMove.AtomicReadAndAddOp;
-import org.graalvm.compiler.lir.aarch64.AArch64AtomicMove.AtomicReadAndAddLSEOp;
-import org.graalvm.compiler.lir.aarch64.AArch64AtomicMove.CompareAndSwapOp;
-import org.graalvm.compiler.lir.aarch64.AArch64AtomicMove.AtomicReadAndWriteOp;
 import org.graalvm.compiler.lir.aarch64.AArch64Move.MembarOp;
 import org.graalvm.compiler.lir.aarch64.AArch64PauseOp;
 import org.graalvm.compiler.lir.aarch64.AArch64SpeculativeBarrier;
@@ -586,8 +586,15 @@
     }
 
     @Override
-    public void emitZeroMemory(Value address, Value length) {
-        // Value address is 8-byte aligned; Value length is multiple of 8.
-        append(new AArch64ZeroMemoryOp(asAllocatable(address), asAllocatable(length), false, -1));
+    public void emitZeroMemory(Value address, Value length, boolean isAligned) {
+        emitZeroMemory(address, length, isAligned, false, -1);
+    }
+
+    protected final void emitZeroMemory(Value address, Value length, boolean isAligned, boolean useDcZva, int zvaLength) {
+        RegisterValue regAddress = AArch64.r0.asValue(address.getValueKind());
+        RegisterValue regLength = AArch64.r1.asValue(length.getValueKind());
+        emitMove(regAddress, address);
+        emitMove(regLength, length);
+        append(new AArch64ZeroMemoryOp(regAddress, regLength, isAligned, useDcZva, zvaLength));
     }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64/src/org/graalvm/compiler/core/aarch64/AArch64LoweringProviderMixin.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64/src/org/graalvm/compiler/core/aarch64/AArch64LoweringProviderMixin.java	Wed Oct 16 15:31:05 2019 +0200
@@ -35,7 +35,7 @@
     }
 
     @Override
-    default int bulkZeroingStride() {
-        return 8;
+    default boolean supportsBulkZeroing() {
+        return true;
     }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.amd64/src/org/graalvm/compiler/core/amd64/AMD64LIRGenerator.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.amd64/src/org/graalvm/compiler/core/amd64/AMD64LIRGenerator.java	Wed Oct 16 15:31:05 2019 +0200
@@ -687,7 +687,7 @@
     }
 
     @Override
-    public void emitZeroMemory(Value address, Value length) {
+    public void emitZeroMemory(Value address, Value length, boolean isAligned) {
         RegisterValue lengthReg = AMD64.rcx.asValue(length.getValueKind());
         emitMove(lengthReg, length);
         append(new AMD64ZeroMemoryOp(asAddressValue(address), lengthReg));
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.amd64/src/org/graalvm/compiler/core/amd64/AMD64LoweringProviderMixin.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.amd64/src/org/graalvm/compiler/core/amd64/AMD64LoweringProviderMixin.java	Wed Oct 16 15:31:05 2019 +0200
@@ -35,7 +35,7 @@
     }
 
     @Override
-    default int bulkZeroingStride() {
-        return 1;
+    default boolean supportsBulkZeroing() {
+        return true;
     }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.sparc/src/org/graalvm/compiler/core/sparc/SparcLoweringProviderMixin.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.sparc/src/org/graalvm/compiler/core/sparc/SparcLoweringProviderMixin.java	Wed Oct 16 15:31:05 2019 +0200
@@ -35,7 +35,7 @@
     }
 
     @Override
-    default int bulkZeroingStride() {
-        return 0;
+    default boolean supportsBulkZeroing() {
+        return false;
     }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/CheckGraalInvariants.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/CheckGraalInvariants.java	Wed Oct 16 15:31:05 2019 +0200
@@ -432,6 +432,16 @@
             try {
                 Class<?> c = Class.forName(className, true, CheckGraalInvariants.class.getClassLoader());
                 classes.add(c);
+            } catch (UnsupportedClassVersionError e) {
+                // graal-test.jar can contain classes compiled for different Java versions
+            } catch (NoClassDefFoundError e) {
+                if (!e.getMessage().contains("Could not initialize class")) {
+                    throw e;
+                } else {
+                    // A second or later attempt to initialize a class
+                    // results in this confusing error where the
+                    // original cause of initialization failure is lost
+                }
             } catch (Throwable t) {
                 tool.handleClassLoadingException(t);
             }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/GraphUtilOriginalValueTests.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,176 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+package org.graalvm.compiler.core.test;
+
+import java.lang.invoke.ConstantCallSite;
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+
+import org.graalvm.compiler.nodes.util.GraphUtil;
+import org.junit.Assert;
+import org.junit.Test;
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.Label;
+import org.objectweb.asm.MethodVisitor;
+
+import jdk.vm.ci.code.BailoutException;
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+
+/**
+ * Unit tests derived from https://github.com/oracle/graal/pull/1690.
+ */
+public class GraphUtilOriginalValueTests extends CustomizedBytecodePatternTest {
+
+    static class LinkedNode {
+        LinkedNode next;
+    }
+
+    static class A extends LinkedNode {
+    }
+
+    static class B extends LinkedNode {
+    }
+
+    static class C extends LinkedNode {
+    }
+
+    public static Class<?> getLastClass(A a) {
+        LinkedNode current = a;
+        Class<?> currentKlass = null;
+        while (current != null) {
+            // This must not be folded to A.class
+            currentKlass = current.getClass();
+
+            current = current.next;
+        }
+        return currentKlass;
+    }
+
+    @Test
+    public void testGetClass() {
+        A a = new A();
+        a.next = new B();
+
+        test("getLastClass", a);
+    }
+
+    static final ConstantCallSite cs1 = init(A.class);
+    static final ConstantCallSite cs2 = init(B.class);
+    static final ConstantCallSite cs3 = init(C.class);
+
+    static ConstantCallSite init(Class<?> c) {
+        try {
+            return new ConstantCallSite(MethodHandles.lookup().unreflectConstructor(c.getDeclaredConstructor()));
+        } catch (Exception e) {
+            throw new InternalError(e);
+        }
+    }
+
+    public static boolean findTarget(MethodHandle key) {
+        ConstantCallSite cs = cs1;
+        while (cs != null) {
+            if (cs.getTarget() == key) {
+                return true;
+            }
+            if (cs == cs1) {
+                cs = cs2;
+            } else if (cs == cs2) {
+                cs = cs3;
+            } else {
+                cs = null;
+            }
+        }
+        return false;
+    }
+
+    @Test
+    public void testGetTarget() {
+        cs1.getTarget();
+        cs2.getTarget();
+        test("findTarget", cs3.getTarget());
+    }
+
+    @Override
+    protected byte[] generateClass(String internalClassName) {
+        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
+        cw.visit(52, ACC_SUPER | ACC_PUBLIC, internalClassName, null, "java/lang/Object", null);
+
+        String getDescriptor = "(Ljava/lang/Object;)V";
+        MethodVisitor m = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "unbalancedMonitors", getDescriptor, null, null);
+        Label loopHead = new Label();
+        Label end = new Label();
+        m.visitCode();
+
+        // @formatter:off
+        /*
+         * void unbalancedMonitors(Object o) {
+         *     monitorenter(o);
+         *     while (o.toString() != o) {
+         *         monitorexit(o);
+         *         o = o.toString();
+         *     }
+         * }
+         */
+        // @formatter:on
+
+        m.visitVarInsn(ALOAD, 0);
+        m.visitInsn(MONITORENTER);
+        m.visitLabel(loopHead);
+        m.visitVarInsn(ALOAD, 0);
+        m.visitInsn(MONITOREXIT);
+        m.visitVarInsn(ALOAD, 0);
+        m.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "toString", "()Ljava/lang/String;", false);
+        m.visitVarInsn(ALOAD, 0);
+        m.visitJumpInsn(IF_ACMPEQ, end);
+        m.visitVarInsn(ALOAD, 0);
+        m.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "toString", "()Ljava/lang/String;", false);
+        m.visitVarInsn(ASTORE, 0);
+        m.visitJumpInsn(GOTO, loopHead);
+        m.visitLabel(end);
+        m.visitInsn(RETURN);
+        m.visitMaxs(2, 2);
+        m.visitEnd();
+
+        cw.visitEnd();
+        return cw.toByteArray();
+    }
+
+    /**
+     * Tests that the use of {@link GraphUtil#originalValue} in parsing MONITOREXIT correctly
+     * detects unbalanced monitors.
+     */
+    @Test
+    public void testUnbalancedMonitors() throws ClassNotFoundException {
+        Class<?> testClass = getClass("UnbalancedMonitors");
+        ResolvedJavaMethod t1 = getResolvedJavaMethod(testClass, "unbalancedMonitors");
+        try {
+            parseForCompile(t1);
+            Assert.fail("expected a " + BailoutException.class.getName());
+        } catch (BailoutException e) {
+            String msg = e.getMessage();
+            Assert.assertTrue(msg, msg.contains("unbalanced monitors"));
+        }
+    }
+}
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/VerifySystemPropertyUsage.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/VerifySystemPropertyUsage.java	Wed Oct 16 15:31:05 2019 +0200
@@ -87,8 +87,8 @@
         } else if (holderQualified.equals("org.graalvm.compiler.hotspot.JVMCIVersionCheck") && caller.getName().equals("main")) {
             // The main method in JVMCIVersionCheck is only called from the shell
             return;
-        } else if (packageName.startsWith("com.oracle.truffle") || packageName.startsWith("org.graalvm.polyglot")) {
-            // Truffle and Polyglot do not depend on JVMCI so cannot use
+        } else if (packageName.startsWith("com.oracle.truffle") || packageName.startsWith("org.graalvm.polyglot") || packageName.startsWith("org.graalvm.home")) {
+            // Truffle and SDK do not depend on JVMCI so they cannot use
             // Services.getSavedProperties()
             return;
         } else if (packageName.startsWith("com.oracle.svm")) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.graph.test/src/org/graalvm/compiler/graph/test/graphio/GraphOutputTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.graph.test/src/org/graalvm/compiler/graph/test/graphio/GraphOutputTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -40,7 +40,10 @@
 import java.util.Objects;
 import org.graalvm.graphio.GraphOutput;
 import org.graalvm.graphio.GraphStructure;
+import org.graalvm.graphio.GraphTypes;
+import static org.junit.Assert.assertSame;
 import org.junit.Test;
+import java.lang.reflect.Field;
 
 public final class GraphOutputTest {
 
@@ -116,6 +119,18 @@
         assertArrayEquals(expected.toByteArray(), embedded.toByteArray());
     }
 
+    @Test
+    @SuppressWarnings({"static-method", "unchecked"})
+    public void testClassOfEnumValueWithImplementation() throws ClassNotFoundException, ReflectiveOperationException {
+        Class<? extends GraphTypes> defaultTypesClass = (Class<? extends GraphTypes>) Class.forName("org.graalvm.graphio.DefaultGraphTypes");
+        Field f = defaultTypesClass.getDeclaredField("DEFAULT");
+        f.setAccessible(true);
+        GraphTypes types = (GraphTypes) f.get(null);
+
+        Object clazz = types.enumClass(CustomEnum.ONE);
+        assertSame(CustomEnum.class, clazz);
+    }
+
     private static ByteBuffer generateData(int size) {
         ByteBuffer buffer = ByteBuffer.allocate(size);
         for (int i = 0; i < size; i++) {
@@ -281,4 +296,20 @@
 
     private static final class MockGraph {
     }
+
+    private enum CustomEnum {
+        ONE() {
+            @Override
+            public String toString() {
+                return "one";
+            }
+        },
+
+        TWO() {
+            @Override
+            public String toString() {
+                return "two";
+            }
+        }
+    }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.graph/src/org/graalvm/compiler/graph/NodeClass.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.graph/src/org/graalvm/compiler/graph/NodeClass.java	Wed Oct 16 15:31:05 2019 +0200
@@ -741,6 +741,7 @@
             } else {
                 Object objectA = data.getObject(a, i);
                 Object objectB = data.getObject(b, i);
+                assert !isLambda(objectA) || !isLambda(objectB) : "lambdas are not permitted in fields of " + this.toString();
                 if (objectA != objectB) {
                     if (objectA != null && objectB != null) {
                         if (!deepEquals0(objectA, objectB)) {
@@ -755,6 +756,11 @@
         return true;
     }
 
+    private static boolean isLambda(Object obj) {
+        // This needs to be consistent with InnerClassLambdaMetafactory constructor.
+        return obj != null && obj.getClass().getSimpleName().contains("$$Lambda$");
+    }
+
     public boolean isValid(Position pos, NodeClass<?> from, Edges fromEdges) {
         if (this == from) {
             return true;
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.graph/src/org/graalvm/compiler/graph/NodeList.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.graph/src/org/graalvm/compiler/graph/NodeList.java	Wed Oct 16 15:31:05 2019 +0200
@@ -122,10 +122,6 @@
         size = newSize;
     }
 
-    public boolean isList() {
-        return true;
-    }
-
     protected abstract void update(T oldNode, T newNode);
 
     public abstract Edges.Type getEdgesType();
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.graph/src/org/graalvm/compiler/graph/NodeMap.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.graph/src/org/graalvm/compiler/graph/NodeMap.java	Wed Oct 16 15:31:05 2019 +0200
@@ -95,6 +95,9 @@
 
     public void set(Node node, T value) {
         assert check(node);
+        if (!node.isAlive()) {
+            throw new VerificationError("this node is not alive: " + node);
+        }
         values[getNodeId(node)] = value;
     }
 
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotBackendFactory.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotBackendFactory.java	Wed Oct 16 15:31:05 2019 +0200
@@ -192,7 +192,7 @@
                         replacements,
                         options);
         AArch64GraphBuilderPlugins.register(plugins, replacements.getDefaultReplacementBytecodeProvider(), false,
-                        /* registerMathPlugins */true);
+                        /* registerMathPlugins */true, /* emitJDK9StringSubstitutions */true, config.useFMAIntrinsics);
         return plugins;
     }
 
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotLIRGenerator.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotLIRGenerator.java	Wed Oct 16 15:31:05 2019 +0200
@@ -84,7 +84,6 @@
 import org.graalvm.compiler.lir.aarch64.AArch64PrefetchOp;
 import org.graalvm.compiler.lir.aarch64.AArch64RestoreRegistersOp;
 import org.graalvm.compiler.lir.aarch64.AArch64SaveRegistersOp;
-import org.graalvm.compiler.lir.aarch64.AArch64ZeroMemoryOp;
 import org.graalvm.compiler.lir.gen.LIRGenerationResult;
 import org.graalvm.compiler.options.OptionValues;
 
@@ -544,7 +543,7 @@
     }
 
     @Override
-    public void emitZeroMemory(Value address, Value length) {
+    public void emitZeroMemory(Value address, Value length, boolean isAligned) {
         int dczidValue = config.psrInfoDczidValue;
         EnumSet<AArch64.Flag> flags = ((AArch64) target().arch).getFlags();
 
@@ -563,7 +562,6 @@
             useDcZva = false;
         }
 
-        // Value address is 8-byte aligned; Value length is multiple of 8.
-        append(new AArch64ZeroMemoryOp(asAllocatable(address), asAllocatable(length), useDcZva, zvaLength));
+        emitZeroMemory(address, length, isAligned, useDcZva, zvaLength);
     }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotRegisterAllocationConfig.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.aarch64/src/org/graalvm/compiler/hotspot/aarch64/AArch64HotSpotRegisterAllocationConfig.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -45,7 +45,10 @@
 import static jdk.vm.ci.aarch64.AArch64.r25;
 import static jdk.vm.ci.aarch64.AArch64.r26;
 import static jdk.vm.ci.aarch64.AArch64.r28;
+import static jdk.vm.ci.aarch64.AArch64.r29;
 import static jdk.vm.ci.aarch64.AArch64.r3;
+import static jdk.vm.ci.aarch64.AArch64.r30;
+import static jdk.vm.ci.aarch64.AArch64.r31;
 import static jdk.vm.ci.aarch64.AArch64.r4;
 import static jdk.vm.ci.aarch64.AArch64.r5;
 import static jdk.vm.ci.aarch64.AArch64.r6;
@@ -96,12 +99,22 @@
 
 public class AArch64HotSpotRegisterAllocationConfig extends RegisterAllocationConfig {
 
+    /**
+     * Excluding r27 is a temporary solution until we exclude r27 unconditionally at
+     * {@link jdk.vm.ci.hotspot.aarch64.AArch64HotSpotRegisterConfig}.
+     *
+     * The underlying reason is that HotSpot does not intend to support r27 as an allocatable
+     * register. This register is excluded from callee-saved register at
+     * cpu/aarch64/sharedRuntime_aarch64.cpp:RegisterSaver::save_live_registers, and may lead to
+     * dereferencing unknown value from the stack at
+     * share/runtime/stackValue.cpp:StackValue::create_stack_value during deoptimization.
+     */
     // @formatter:off
     static final Register[] registerAllocationOrder = {
         r0,  r1,  r2,  r3,  r4,  r5,  r6,  r7,
         r8,  r9,  r10, r11, r12, r13, r14, r15,
         r16, r17, r18, r19, r20, r21, r22, r23,
-        r24, r25, r26, /* r27, */ r28, /* r29, r30, r31 */
+        r24, r25, r26, /* r27, */ r28, r29, r30, r31,
 
         v0,  v1,  v2,  v3,  v4,  v5,  v6,  v7,
         v8,  v9,  v10, v11, v12, v13, v14, v15,
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.lir.test/src/org/graalvm/compiler/hotspot/lir/test/MitigateExceedingMaxOopMapStackOffsetTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.lir.test/src/org/graalvm/compiler/hotspot/lir/test/MitigateExceedingMaxOopMapStackOffsetTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -76,23 +76,22 @@
             // Place reference slots at top and bottom of virtual frame
             // with primitive slots in the middle. This tests that slot
             // partitioning works.
+            AllocatableValue srcObject = gen.emitLoadConstant(objectLirKind, objectConstant);
             for (int i = 0; i < numReferenceSlots / 2; i++) {
-                AllocatableValue src = gen.emitLoadConstant(objectLirKind, objectConstant);
                 VirtualStackSlot slot = frameMapBuilder.allocateSpillSlot(objectLirKind);
                 slotList.add(slot);
-                gen.emitMove(slot, src);
+                gen.emitMove(slot, srcObject);
             }
+            AllocatableValue srcPrimitive = gen.emitLoadConstant(objectLirKind, primitiveConstant);
             for (int i = 0; i < numPrimitiveSlots; i++) {
-                AllocatableValue src = gen.emitLoadConstant(objectLirKind, primitiveConstant);
                 VirtualStackSlot slot = frameMapBuilder.allocateSpillSlot(primitiveLirKind);
                 slotList.add(slot);
-                gen.emitMove(slot, src);
+                gen.emitMove(slot, srcPrimitive);
             }
             for (int i = numReferenceSlots / 2; i < numReferenceSlots; i++) {
-                AllocatableValue src = gen.emitLoadConstant(objectLirKind, objectConstant);
                 VirtualStackSlot slot = frameMapBuilder.allocateSpillSlot(objectLirKind);
                 slotList.add(slot);
-                gen.emitMove(slot, src);
+                gen.emitMove(slot, srcObject);
             }
             slots = slotList.toArray(new AllocatableValue[slotList.size()]);
         }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/CheckGraalIntrinsics.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/CheckGraalIntrinsics.java	Wed Oct 16 15:31:05 2019 +0200
@@ -64,6 +64,7 @@
 import jdk.vm.ci.meta.MetaUtil;
 import jdk.vm.ci.meta.MethodHandleAccessProvider.IntrinsicMethod;
 import jdk.vm.ci.meta.ResolvedJavaMethod;
+import jdk.vm.ci.sparc.SPARC;
 
 /**
  * Checks the intrinsics implemented by Graal against the set of intrinsics declared by HotSpot. The
@@ -375,7 +376,7 @@
                 add(ignore,
                                 "java/lang/Math.fma(DDD)D",
                                 "java/lang/Math.fma(FFF)F");
-            } else if (!(arch instanceof AMD64)) {
+            } else if (arch instanceof SPARC) {
                 add(toBeInvestigated,
                                 "java/lang/Math.fma(DDD)D",
                                 "java/lang/Math.fma(FFF)F");
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/ConstantPoolSubstitutionsTests.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/ConstantPoolSubstitutionsTests.java	Wed Oct 16 15:31:05 2019 +0200
@@ -25,8 +25,6 @@
 
 package org.graalvm.compiler.hotspot.test;
 
-import static org.graalvm.compiler.serviceprovider.JavaVersionUtil.JAVA_SPEC;
-
 import java.lang.reflect.Method;
 
 import org.graalvm.compiler.core.test.GraalCompilerTest;
@@ -75,9 +73,27 @@
         return graph;
     }
 
+    private static String getMiscPackage() {
+        if (JavaVersionUtil.JAVA_SPEC <= 8) {
+            return "sun.misc";
+        }
+        try {
+            String miscPackage = "jdk.internal.access";
+            Class.forName(miscPackage + ".SharedSecrets");
+            return miscPackage;
+        } catch (ClassNotFoundException e) {
+            try {
+                String miscPackage = "jdk.internal.misc";
+                Class.forName(miscPackage + ".SharedSecrets");
+                return miscPackage;
+            } catch (ClassNotFoundException ex) {
+            }
+            throw new AssertionError(e);
+        }
+    }
+
     private static Object getConstantPoolForObject() {
-        String miscPackage = JavaVersionUtil.JAVA_SPEC <= 8 ? "sun.misc"
-                        : (JavaVersionUtil.JAVA_SPEC <= 11 ? "jdk.internal.misc" : "jdk.internal.access");
+        String miscPackage = getMiscPackage();
         try {
             Class<?> sharedSecretsClass = Class.forName(miscPackage + ".SharedSecrets");
             Class<?> javaLangAccessClass = Class.forName(miscPackage + ".JavaLangAccess");
@@ -112,8 +128,7 @@
      * This test uses some non-public API.
      */
     private static void addExports(Class<?> c) {
-        String packageName = JAVA_SPEC <= 11 ? "jdk.internal.misc" : "jdk.internal.access";
-        ModuleSupport.exportPackageTo(String.class, packageName, c);
+        ModuleSupport.exportPackageTo(String.class, getMiscPackage(), c);
         ModuleSupport.exportPackageTo(String.class, "jdk.internal.reflect", c);
     }
 
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/GraalHotSpotVMConfig.java	Wed Oct 16 15:31:05 2019 +0200
@@ -321,6 +321,7 @@
     public final int jvmciCountersThreadOffset = getFieldOffset("JavaThread::_jvmci_counters", Integer.class, "jlong*");
     public final int doingUnsafeAccessOffset = getFieldOffset("JavaThread::_doing_unsafe_access", Integer.class, "bool", Integer.MAX_VALUE);
     public final int javaThreadReservedStackActivationOffset = versioned.javaThreadReservedStackActivationOffset;
+    public final int jniEnvironmentOffset = getFieldOffset("JavaThread::_jni_environment", Integer.class, "JNIEnv", Integer.MIN_VALUE);
 
     public boolean requiresReservedStackCheck(List<ResolvedJavaMethod> methods) {
         if (enableStackReservedZoneAddress != 0 && methods != null) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotGraalManagementRegistration.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotGraalManagementRegistration.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,7 +35,7 @@
      * Completes the initialization of this registration by recording the
      * {@link HotSpotGraalRuntime} the MBean will provide an JMX interface to.
      */
-    void initialize(HotSpotGraalRuntime runtime);
+    void initialize(HotSpotGraalRuntime runtime, GraalHotSpotVMConfig config);
 
     /**
      * Polls this registration to see if the MBean is registered in a MBean server.
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotGraalRuntime.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotGraalRuntime.java	Wed Oct 16 15:31:05 2019 +0200
@@ -35,6 +35,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Supplier;
 
 import jdk.internal.vm.compiler.collections.EconomicMap;
 import jdk.internal.vm.compiler.collections.EconomicSet;
@@ -97,6 +98,10 @@
 public final class HotSpotGraalRuntime implements HotSpotGraalRuntimeProvider {
 
     private static final boolean IS_AOT = Boolean.parseBoolean(Services.getSavedProperties().get("com.oracle.graalvm.isaot"));
+    /**
+     * A factory for {@link HotSpotGraalManagementRegistration} injected by {@code LibGraalFeature}.
+     */
+    private static final Supplier<HotSpotGraalManagementRegistration> AOT_INJECTED_MANAGEMENT = null;
 
     private static boolean checkArrayIndexScaleInvariants(MetaAccessProvider metaAccess) {
         assert metaAccess.getArrayIndexScale(JavaKind.Byte) == 1;
@@ -165,12 +170,12 @@
         compilerConfigurationName = compilerConfigurationFactory.getName();
 
         if (IS_AOT) {
-            management = null;
+            management = AOT_INJECTED_MANAGEMENT == null ? null : AOT_INJECTED_MANAGEMENT.get();
         } else {
             management = GraalServices.loadSingle(HotSpotGraalManagementRegistration.class, false);
-            if (management != null) {
-                management.initialize(this);
-            }
+        }
+        if (management != null) {
+            management.initialize(this, config);
         }
 
         BackendMap backendMap = compilerConfigurationFactory.createBackendMap();
@@ -292,13 +297,15 @@
                 HotSpotResolvedObjectType type = ((HotSpotResolvedJavaMethod) compilable).getDeclaringClass();
                 if (type instanceof HotSpotResolvedJavaType) {
                     Class<?> clazz = runtime().getMirror(type);
-                    try {
-                        ClassLoader cl = clazz.getClassLoader();
-                        if (cl != null) {
-                            loaders.add(cl);
+                    if (clazz != null) {
+                        try {
+                            ClassLoader cl = clazz.getClassLoader();
+                            if (cl != null) {
+                                loaders.add(cl);
+                            }
+                        } catch (SecurityException e) {
+                            // This loader can obviously not be used for resolving class names
                         }
-                    } catch (SecurityException e) {
-                        // This loader can obviously not be used for resolving class names
                     }
                 }
             }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/JVMCIVersionCheck.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/JVMCIVersionCheck.java	Wed Oct 16 15:31:05 2019 +0200
@@ -43,7 +43,7 @@
  */
 public final class JVMCIVersionCheck {
 
-    private static final Version JVMCI8_MIN_VERSION = new Version3(19, 2, 1);
+    private static final Version JVMCI8_MIN_VERSION = new Version3(19, 3, 2);
 
     public interface Version {
         boolean isLessThan(Version other);
@@ -230,6 +230,17 @@
                     failVersionCheck(props, exitOnFailure, "Could not parse the JDK 11 early access build number from java.vm.version property: %s.%n", vmVersion);
                     return;
                 }
+            } else if (vmVersion.contains("-jvmci-")) {
+                // A "labsjdk"
+                Version v = Version.parse(vmVersion);
+                if (v != null) {
+                    if (v.isLessThan(minVersion)) {
+                        failVersionCheck(props, exitOnFailure, "The VM does not support the minimum JVMCI API version required by Graal: %s < %s.%n", v, minVersion);
+                    }
+                    return;
+                }
+                failVersionCheck(props, exitOnFailure, "The VM does not support the minimum JVMCI API version required by Graal.%n" +
+                                "Cannot read JVMCI version from java.vm.version property: %s.%n", vmVersion);
             } else {
                 // Graal is compatible with all JDK versions as of 11 GA.
             }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/meta/HotSpotGraphBuilderPlugins.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/meta/HotSpotGraphBuilderPlugins.java	Wed Oct 16 15:31:05 2019 +0200
@@ -254,7 +254,7 @@
             @Override
             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
                 ValueNode callSite = receiver.get();
-                ValueNode folded = CallSiteTargetNode.tryFold(GraphUtil.originalValue(callSite), b.getMetaAccess(), b.getAssumptions());
+                ValueNode folded = CallSiteTargetNode.tryFold(GraphUtil.originalValue(callSite, true), b.getMetaAccess(), b.getAssumptions());
                 if (folded != null) {
                     b.addPush(JavaKind.Object, folded);
                 } else {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/replacements/NewObjectSnippets.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/replacements/NewObjectSnippets.java	Wed Oct 16 15:31:05 2019 +0200
@@ -359,12 +359,12 @@
                     @ConstantParameter Register threadRegister,
                     @ConstantParameter boolean maybeUnroll,
                     @ConstantParameter String typeContext,
-                    @ConstantParameter int bulkZeroingStride,
+                    @ConstantParameter boolean supportsBulkZeroing,
                     @ConstantParameter Counters counters) {
         // Primitive array types are eagerly pre-resolved. We can use a floating load.
         KlassPointer picHub = LoadConstantIndirectlyNode.loadKlass(hub);
         return allocateArrayImpl(picHub, length, prototypeMarkWord, headerSize, log2ElementSize, fillContents,
-                        emitMemoryBarrier, threadRegister, maybeUnroll, typeContext, bulkZeroingStride, counters);
+                        emitMemoryBarrier, threadRegister, maybeUnroll, typeContext, supportsBulkZeroing, counters);
     }
 
     @Snippet
@@ -378,12 +378,12 @@
                     @ConstantParameter Register threadRegister,
                     @ConstantParameter boolean maybeUnroll,
                     @ConstantParameter String typeContext,
-                    @ConstantParameter int bulkZeroingStride,
+                    @ConstantParameter boolean supportsBulkZeroing,
                     @ConstantParameter Counters counters) {
         // Array type would be resolved by dominating resolution.
         KlassPointer picHub = LoadConstantIndirectlyFixedNode.loadKlass(hub);
         return allocateArrayImpl(picHub, length, prototypeMarkWord, headerSize, log2ElementSize, fillContents,
-                        emitMemoryBarrier, threadRegister, maybeUnroll, typeContext, bulkZeroingStride, counters);
+                        emitMemoryBarrier, threadRegister, maybeUnroll, typeContext, supportsBulkZeroing, counters);
     }
 
     @Snippet
@@ -397,7 +397,7 @@
                     @ConstantParameter Register threadRegister,
                     @ConstantParameter boolean maybeUnroll,
                     @ConstantParameter String typeContext,
-                    @ConstantParameter int bulkZeroingStride,
+                    @ConstantParameter boolean supportsBulkZeroing,
                     @ConstantParameter Counters counters) {
         Object result = allocateArrayImpl(hub,
                         length,
@@ -408,7 +408,7 @@
                         emitMemoryBarrier, threadRegister,
                         maybeUnroll,
                         typeContext,
-                        bulkZeroingStride,
+                        supportsBulkZeroing,
                         counters);
         return piArrayCastToSnippetReplaceeStamp(verifyOop(result), length);
     }
@@ -432,7 +432,7 @@
                     Register threadRegister,
                     boolean maybeUnroll,
                     String typeContext,
-                    int bulkZeroingStride,
+                    boolean supportsBulkZeroing,
                     Counters counters) {
         Object result;
         long allocationSize = arrayAllocationSize(length, headerSize, log2ElementSize);
@@ -448,7 +448,7 @@
             if (theCounters != null && theCounters.arrayLoopInit != null) {
                 theCounters.arrayLoopInit.inc();
             }
-            result = formatArray(hub, allocationSize, length, headerSize, top, prototypeMarkWord, fillContents, emitMemoryBarrier, maybeUnroll, bulkZeroingStride, counters);
+            result = formatArray(hub, allocationSize, length, headerSize, top, prototypeMarkWord, fillContents, emitMemoryBarrier, maybeUnroll, supportsBulkZeroing, counters);
         } else {
             result = newArrayStub(hub, length);
         }
@@ -513,11 +513,11 @@
                     @ConstantParameter Register threadRegister,
                     @ConstantParameter JavaKind knownElementKind,
                     @ConstantParameter int knownLayoutHelper,
-                    @ConstantParameter int bulkZeroingStride,
+                    @ConstantParameter boolean supportsBulkZeroing,
                     Word prototypeMarkWord,
                     @ConstantParameter Counters counters) {
         Object result = allocateArrayDynamicImpl(elementType, voidClass, length, fillContents, emitMemoryBarrier, threadRegister, knownElementKind,
-                        knownLayoutHelper, bulkZeroingStride, prototypeMarkWord, counters);
+                        knownLayoutHelper, supportsBulkZeroing, prototypeMarkWord, counters);
         return result;
     }
 
@@ -529,7 +529,7 @@
                     Register threadRegister,
                     JavaKind knownElementKind,
                     int knownLayoutHelper,
-                    int bulkZeroingStride,
+                    boolean supportsBulkZeroing,
                     Word prototypeMarkWord,
                     Counters counters) {
         /*
@@ -574,7 +574,7 @@
         int log2ElementSize = (layoutHelper >> layoutHelperLog2ElementSizeShift(INJECTED_VMCONFIG)) & layoutHelperLog2ElementSizeMask(INJECTED_VMCONFIG);
 
         Object result = allocateArrayImpl(nonNullKlass, length, prototypeMarkWord, headerSize, log2ElementSize, fillContents,
-                        emitMemoryBarrier, threadRegister, false, "dynamic type", bulkZeroingStride, counters);
+                        emitMemoryBarrier, threadRegister, false, "dynamic type", supportsBulkZeroing, counters);
         return piArrayCastToSnippetReplaceeStamp(verifyOop(result), length);
     }
 
@@ -627,16 +627,16 @@
      * @param endOffset offset to stop zeroing (exclusive). May not be word aligned.
      * @param isEndOffsetConstant is {@code endOffset} known to be constant in the snippet
      * @param manualUnroll maximally unroll zeroing
-     * @param bulkZeroingStride stride of bulk zeroing supported by the backend
+     * @param supportsBulkZeroing whether bulk zeroing is supported by the backend
      */
     private static void zeroMemory(Word memory, int startOffset, long endOffset, boolean isEndOffsetConstant, boolean manualUnroll,
-                    int bulkZeroingStride, Counters counters) {
-        fillMemory(0, memory, startOffset, endOffset, isEndOffsetConstant, manualUnroll, bulkZeroingStride, counters);
+                    boolean supportsBulkZeroing, Counters counters) {
+        fillMemory(0, memory, startOffset, endOffset, isEndOffsetConstant, manualUnroll, supportsBulkZeroing, counters);
     }
 
-    private static void fillMemory(long value, Word memory, int startOffset, long offsetLimit, boolean constantOffsetLimit, boolean manualUnroll,
-                    int bulkZeroingStride, Counters counters) {
-        ReplacementsUtil.runtimeAssert((offsetLimit & 0x7) == 0, "unaligned object size");
+    private static void fillMemory(long value, Word memory, int startOffset, long endOffset, boolean constantOffsetLimit, boolean manualUnroll,
+                    boolean supportsBulkZeroing, Counters counters) {
+        ReplacementsUtil.runtimeAssert((endOffset & 0x7) == 0, "unaligned object size");
         int offset = startOffset;
         if ((offset & 0x7) != 0) {
             memory.writeInt(offset, (int) value, LocationIdentity.init());
@@ -644,7 +644,7 @@
         }
         ReplacementsUtil.runtimeAssert((offset & 0x7) == 0, "unaligned offset");
         Counters theCounters = counters;
-        if (manualUnroll && ((offsetLimit - offset) / 8) <= MAX_UNROLLED_OBJECT_ZEROING_STORES) {
+        if (manualUnroll && ((endOffset - offset) / 8) <= MAX_UNROLLED_OBJECT_ZEROING_STORES) {
             ReplacementsUtil.staticAssert(!constantOffsetLimit, "size shouldn't be constant at instantiation time");
             // This case handles arrays of constant length. Instead of having a snippet variant for
             // each length, generate a chain of stores of maximum length. Once it's inlined the
@@ -655,7 +655,7 @@
 
             explodeLoop();
             for (int i = 0; i < MAX_UNROLLED_OBJECT_ZEROING_STORES; i++, offset += 8) {
-                if (offset == offsetLimit) {
+                if (offset == endOffset) {
                     break;
                 }
                 memory.initializeLong(offset, value, LocationIdentity.init());
@@ -663,13 +663,13 @@
         } else {
             // Use Word instead of int to avoid extension to long in generated code
             Word off = WordFactory.signed(offset);
-            if (bulkZeroingStride > 0 && value == 0 && probability(SLOW_PATH_PROBABILITY, (offsetLimit - offset) >= getMinimalBulkZeroingSize(INJECTED_OPTIONVALUES))) {
+            if (supportsBulkZeroing && value == 0 && probability(SLOW_PATH_PROBABILITY, (endOffset - offset) >= getMinimalBulkZeroingSize(INJECTED_OPTIONVALUES))) {
                 if (theCounters != null && theCounters.instanceBulkInit != null) {
                     theCounters.instanceBulkInit.inc();
                 }
-                ZeroMemoryNode.zero(memory.add(off), offsetLimit - offset, LocationIdentity.init());
+                ZeroMemoryNode.zero(memory.add(off), endOffset - offset, true, LocationIdentity.init());
             } else {
-                if (constantOffsetLimit && ((offsetLimit - offset) / 8) <= MAX_UNROLLED_OBJECT_ZEROING_STORES) {
+                if (constantOffsetLimit && ((endOffset - offset) / 8) <= MAX_UNROLLED_OBJECT_ZEROING_STORES) {
                     if (theCounters != null && theCounters.instanceSeqInit != null) {
                         theCounters.instanceSeqInit.inc();
                     }
@@ -679,7 +679,7 @@
                         theCounters.instanceLoopInit.inc();
                     }
                 }
-                for (; off.rawValue() < offsetLimit; off = off.add(8)) {
+                for (; off.rawValue() < endOffset; off = off.add(8)) {
                     memory.initializeLong(off, value, LocationIdentity.init());
                 }
             }
@@ -703,7 +703,7 @@
      * @param manualUnroll maximally unroll zeroing
      */
     private static void fillWithGarbage(Word memory, int startOffset, long endOffset, boolean isEndOffsetConstant, boolean manualUnroll, Counters counters) {
-        fillMemory(0xfefefefefefefefeL, memory, startOffset, endOffset, isEndOffsetConstant, manualUnroll, 0, counters);
+        fillMemory(0xfefefefefefefefeL, memory, startOffset, endOffset, isEndOffsetConstant, manualUnroll, false, counters);
     }
 
     /**
@@ -720,7 +720,7 @@
         Word prototypeMarkWord = useBiasedLocking(INJECTED_VMCONFIG) ? hub.readWord(prototypeMarkWordOffset(INJECTED_VMCONFIG), PROTOTYPE_MARK_WORD_LOCATION) : compileTimePrototypeMarkWord;
         initializeObjectHeader(memory, prototypeMarkWord, hub);
         if (fillContents) {
-            zeroMemory(memory, instanceHeaderSize(INJECTED_VMCONFIG), size, constantSize, false, 0, counters);
+            zeroMemory(memory, instanceHeaderSize(INJECTED_VMCONFIG), size, constantSize, false, false, counters);
         } else if (REPLACEMENTS_ASSERTIONS_ENABLED) {
             fillWithGarbage(memory, instanceHeaderSize(INJECTED_VMCONFIG), size, constantSize, false, counters);
         }
@@ -767,7 +767,7 @@
                     boolean fillContents,
                     boolean emitMemoryBarrier,
                     boolean maybeUnroll,
-                    int bulkZeroingStride,
+                    boolean supportsBulkZeroing,
                     Counters counters) {
         memory.writeInt(arrayLengthOffset(INJECTED_VMCONFIG), length, LocationIdentity.init());
         /*
@@ -776,7 +776,7 @@
          */
         initializeObjectHeader(memory, prototypeMarkWord, hub);
         if (fillContents) {
-            zeroMemory(memory, headerSize, allocationSize, false, maybeUnroll, bulkZeroingStride, counters);
+            zeroMemory(memory, headerSize, allocationSize, false, maybeUnroll, supportsBulkZeroing, counters);
         } else if (REPLACEMENTS_ASSERTIONS_ENABLED) {
             fillWithGarbage(memory, headerSize, allocationSize, false, maybeUnroll, counters);
         }
@@ -897,7 +897,7 @@
             args.addConst("threadRegister", registers.getThreadRegister());
             args.addConst("maybeUnroll", length.isConstant());
             args.addConst("typeContext", ProfileAllocations.getValue(localOptions) ? arrayType.toJavaName(false) : "");
-            args.addConst("bulkZeroingStride", tool.getLowerer().bulkZeroingStride());
+            args.addConst("supportsBulkZeroing", tool.getLowerer().supportsBulkZeroing());
             args.addConst("counters", counters);
             SnippetTemplate template = template(newArrayNode, args);
             graph.getDebug().log("Lowering allocateArray in %s: node=%s, template=%s, arguments=%s", graph, newArrayNode, template, args);
@@ -941,7 +941,7 @@
             } else {
                 args.addConst("knownLayoutHelper", 0);
             }
-            args.addConst("bulkZeroingStride", tool.getLowerer().bulkZeroingStride());
+            args.addConst("supportsBulkZeroing", tool.getLowerer().supportsBulkZeroing());
             args.add("prototypeMarkWord", lookupArrayClass(tool, JavaKind.Object).prototypeMarkWord());
             args.addConst("counters", counters);
             SnippetTemplate template = template(newArrayNode, args);
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.java/src/org/graalvm/compiler/java/BciBlockMapping.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.java/src/org/graalvm/compiler/java/BciBlockMapping.java	Wed Oct 16 15:31:05 2019 +0200
@@ -26,27 +26,108 @@
 
 import static org.graalvm.compiler.bytecode.Bytecodes.AALOAD;
 import static org.graalvm.compiler.bytecode.Bytecodes.AASTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.ACONST_NULL;
+import static org.graalvm.compiler.bytecode.Bytecodes.ALOAD;
+import static org.graalvm.compiler.bytecode.Bytecodes.ALOAD_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.ALOAD_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.ALOAD_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.ALOAD_3;
 import static org.graalvm.compiler.bytecode.Bytecodes.ANEWARRAY;
 import static org.graalvm.compiler.bytecode.Bytecodes.ARETURN;
 import static org.graalvm.compiler.bytecode.Bytecodes.ARRAYLENGTH;
+import static org.graalvm.compiler.bytecode.Bytecodes.ASTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.ASTORE_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.ASTORE_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.ASTORE_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.ASTORE_3;
 import static org.graalvm.compiler.bytecode.Bytecodes.ATHROW;
 import static org.graalvm.compiler.bytecode.Bytecodes.BALOAD;
 import static org.graalvm.compiler.bytecode.Bytecodes.BASTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.BIPUSH;
+import static org.graalvm.compiler.bytecode.Bytecodes.BREAKPOINT;
 import static org.graalvm.compiler.bytecode.Bytecodes.CALOAD;
 import static org.graalvm.compiler.bytecode.Bytecodes.CASTORE;
 import static org.graalvm.compiler.bytecode.Bytecodes.CHECKCAST;
+import static org.graalvm.compiler.bytecode.Bytecodes.D2F;
+import static org.graalvm.compiler.bytecode.Bytecodes.D2I;
+import static org.graalvm.compiler.bytecode.Bytecodes.D2L;
+import static org.graalvm.compiler.bytecode.Bytecodes.DADD;
 import static org.graalvm.compiler.bytecode.Bytecodes.DALOAD;
 import static org.graalvm.compiler.bytecode.Bytecodes.DASTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.DCMPG;
+import static org.graalvm.compiler.bytecode.Bytecodes.DCMPL;
+import static org.graalvm.compiler.bytecode.Bytecodes.DCONST_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.DCONST_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.DDIV;
+import static org.graalvm.compiler.bytecode.Bytecodes.DLOAD;
+import static org.graalvm.compiler.bytecode.Bytecodes.DLOAD_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.DLOAD_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.DLOAD_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.DLOAD_3;
+import static org.graalvm.compiler.bytecode.Bytecodes.DMUL;
+import static org.graalvm.compiler.bytecode.Bytecodes.DNEG;
+import static org.graalvm.compiler.bytecode.Bytecodes.DREM;
 import static org.graalvm.compiler.bytecode.Bytecodes.DRETURN;
+import static org.graalvm.compiler.bytecode.Bytecodes.DSTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.DSTORE_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.DSTORE_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.DSTORE_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.DSTORE_3;
+import static org.graalvm.compiler.bytecode.Bytecodes.DSUB;
+import static org.graalvm.compiler.bytecode.Bytecodes.DUP;
+import static org.graalvm.compiler.bytecode.Bytecodes.DUP2;
+import static org.graalvm.compiler.bytecode.Bytecodes.DUP2_X1;
+import static org.graalvm.compiler.bytecode.Bytecodes.DUP2_X2;
+import static org.graalvm.compiler.bytecode.Bytecodes.DUP_X1;
+import static org.graalvm.compiler.bytecode.Bytecodes.DUP_X2;
+import static org.graalvm.compiler.bytecode.Bytecodes.F2D;
+import static org.graalvm.compiler.bytecode.Bytecodes.F2I;
+import static org.graalvm.compiler.bytecode.Bytecodes.F2L;
+import static org.graalvm.compiler.bytecode.Bytecodes.FADD;
 import static org.graalvm.compiler.bytecode.Bytecodes.FALOAD;
 import static org.graalvm.compiler.bytecode.Bytecodes.FASTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.FCMPG;
+import static org.graalvm.compiler.bytecode.Bytecodes.FCMPL;
+import static org.graalvm.compiler.bytecode.Bytecodes.FCONST_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.FCONST_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.FCONST_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.FDIV;
+import static org.graalvm.compiler.bytecode.Bytecodes.FLOAD;
+import static org.graalvm.compiler.bytecode.Bytecodes.FLOAD_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.FLOAD_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.FLOAD_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.FLOAD_3;
+import static org.graalvm.compiler.bytecode.Bytecodes.FMUL;
+import static org.graalvm.compiler.bytecode.Bytecodes.FNEG;
+import static org.graalvm.compiler.bytecode.Bytecodes.FREM;
 import static org.graalvm.compiler.bytecode.Bytecodes.FRETURN;
+import static org.graalvm.compiler.bytecode.Bytecodes.FSTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.FSTORE_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.FSTORE_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.FSTORE_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.FSTORE_3;
+import static org.graalvm.compiler.bytecode.Bytecodes.FSUB;
 import static org.graalvm.compiler.bytecode.Bytecodes.GETFIELD;
 import static org.graalvm.compiler.bytecode.Bytecodes.GETSTATIC;
 import static org.graalvm.compiler.bytecode.Bytecodes.GOTO;
 import static org.graalvm.compiler.bytecode.Bytecodes.GOTO_W;
+import static org.graalvm.compiler.bytecode.Bytecodes.I2B;
+import static org.graalvm.compiler.bytecode.Bytecodes.I2C;
+import static org.graalvm.compiler.bytecode.Bytecodes.I2D;
+import static org.graalvm.compiler.bytecode.Bytecodes.I2F;
+import static org.graalvm.compiler.bytecode.Bytecodes.I2L;
+import static org.graalvm.compiler.bytecode.Bytecodes.I2S;
+import static org.graalvm.compiler.bytecode.Bytecodes.IADD;
 import static org.graalvm.compiler.bytecode.Bytecodes.IALOAD;
+import static org.graalvm.compiler.bytecode.Bytecodes.IAND;
 import static org.graalvm.compiler.bytecode.Bytecodes.IASTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.ICONST_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.ICONST_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.ICONST_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.ICONST_3;
+import static org.graalvm.compiler.bytecode.Bytecodes.ICONST_4;
+import static org.graalvm.compiler.bytecode.Bytecodes.ICONST_5;
+import static org.graalvm.compiler.bytecode.Bytecodes.ICONST_M1;
 import static org.graalvm.compiler.bytecode.Bytecodes.IDIV;
 import static org.graalvm.compiler.bytecode.Bytecodes.IFEQ;
 import static org.graalvm.compiler.bytecode.Bytecodes.IFGE;
@@ -64,33 +145,88 @@
 import static org.graalvm.compiler.bytecode.Bytecodes.IF_ICMPLE;
 import static org.graalvm.compiler.bytecode.Bytecodes.IF_ICMPLT;
 import static org.graalvm.compiler.bytecode.Bytecodes.IF_ICMPNE;
+import static org.graalvm.compiler.bytecode.Bytecodes.IINC;
+import static org.graalvm.compiler.bytecode.Bytecodes.ILOAD;
+import static org.graalvm.compiler.bytecode.Bytecodes.ILOAD_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.ILOAD_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.ILOAD_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.ILOAD_3;
+import static org.graalvm.compiler.bytecode.Bytecodes.IMUL;
+import static org.graalvm.compiler.bytecode.Bytecodes.INEG;
+import static org.graalvm.compiler.bytecode.Bytecodes.INSTANCEOF;
 import static org.graalvm.compiler.bytecode.Bytecodes.INVOKEDYNAMIC;
 import static org.graalvm.compiler.bytecode.Bytecodes.INVOKEINTERFACE;
 import static org.graalvm.compiler.bytecode.Bytecodes.INVOKESPECIAL;
 import static org.graalvm.compiler.bytecode.Bytecodes.INVOKESTATIC;
 import static org.graalvm.compiler.bytecode.Bytecodes.INVOKEVIRTUAL;
+import static org.graalvm.compiler.bytecode.Bytecodes.IOR;
 import static org.graalvm.compiler.bytecode.Bytecodes.IREM;
 import static org.graalvm.compiler.bytecode.Bytecodes.IRETURN;
+import static org.graalvm.compiler.bytecode.Bytecodes.ISHL;
+import static org.graalvm.compiler.bytecode.Bytecodes.ISHR;
+import static org.graalvm.compiler.bytecode.Bytecodes.ISTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.ISTORE_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.ISTORE_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.ISTORE_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.ISTORE_3;
+import static org.graalvm.compiler.bytecode.Bytecodes.ISUB;
+import static org.graalvm.compiler.bytecode.Bytecodes.IUSHR;
+import static org.graalvm.compiler.bytecode.Bytecodes.IXOR;
 import static org.graalvm.compiler.bytecode.Bytecodes.JSR;
 import static org.graalvm.compiler.bytecode.Bytecodes.JSR_W;
+import static org.graalvm.compiler.bytecode.Bytecodes.L2D;
+import static org.graalvm.compiler.bytecode.Bytecodes.L2F;
+import static org.graalvm.compiler.bytecode.Bytecodes.L2I;
+import static org.graalvm.compiler.bytecode.Bytecodes.LADD;
 import static org.graalvm.compiler.bytecode.Bytecodes.LALOAD;
+import static org.graalvm.compiler.bytecode.Bytecodes.LAND;
 import static org.graalvm.compiler.bytecode.Bytecodes.LASTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.LCMP;
+import static org.graalvm.compiler.bytecode.Bytecodes.LCONST_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.LCONST_1;
 import static org.graalvm.compiler.bytecode.Bytecodes.LDC;
 import static org.graalvm.compiler.bytecode.Bytecodes.LDC2_W;
 import static org.graalvm.compiler.bytecode.Bytecodes.LDC_W;
 import static org.graalvm.compiler.bytecode.Bytecodes.LDIV;
+import static org.graalvm.compiler.bytecode.Bytecodes.LLOAD;
+import static org.graalvm.compiler.bytecode.Bytecodes.LLOAD_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.LLOAD_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.LLOAD_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.LLOAD_3;
+import static org.graalvm.compiler.bytecode.Bytecodes.LMUL;
+import static org.graalvm.compiler.bytecode.Bytecodes.LNEG;
 import static org.graalvm.compiler.bytecode.Bytecodes.LOOKUPSWITCH;
+import static org.graalvm.compiler.bytecode.Bytecodes.LOR;
 import static org.graalvm.compiler.bytecode.Bytecodes.LREM;
 import static org.graalvm.compiler.bytecode.Bytecodes.LRETURN;
+import static org.graalvm.compiler.bytecode.Bytecodes.LSHL;
+import static org.graalvm.compiler.bytecode.Bytecodes.LSHR;
+import static org.graalvm.compiler.bytecode.Bytecodes.LSTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.LSTORE_0;
+import static org.graalvm.compiler.bytecode.Bytecodes.LSTORE_1;
+import static org.graalvm.compiler.bytecode.Bytecodes.LSTORE_2;
+import static org.graalvm.compiler.bytecode.Bytecodes.LSTORE_3;
+import static org.graalvm.compiler.bytecode.Bytecodes.LSUB;
+import static org.graalvm.compiler.bytecode.Bytecodes.LUSHR;
+import static org.graalvm.compiler.bytecode.Bytecodes.LXOR;
+import static org.graalvm.compiler.bytecode.Bytecodes.MONITORENTER;
+import static org.graalvm.compiler.bytecode.Bytecodes.MONITOREXIT;
 import static org.graalvm.compiler.bytecode.Bytecodes.MULTIANEWARRAY;
 import static org.graalvm.compiler.bytecode.Bytecodes.NEW;
+import static org.graalvm.compiler.bytecode.Bytecodes.NEWARRAY;
+import static org.graalvm.compiler.bytecode.Bytecodes.NOP;
+import static org.graalvm.compiler.bytecode.Bytecodes.POP;
+import static org.graalvm.compiler.bytecode.Bytecodes.POP2;
 import static org.graalvm.compiler.bytecode.Bytecodes.PUTFIELD;
 import static org.graalvm.compiler.bytecode.Bytecodes.PUTSTATIC;
 import static org.graalvm.compiler.bytecode.Bytecodes.RET;
 import static org.graalvm.compiler.bytecode.Bytecodes.RETURN;
 import static org.graalvm.compiler.bytecode.Bytecodes.SALOAD;
 import static org.graalvm.compiler.bytecode.Bytecodes.SASTORE;
+import static org.graalvm.compiler.bytecode.Bytecodes.SIPUSH;
+import static org.graalvm.compiler.bytecode.Bytecodes.SWAP;
 import static org.graalvm.compiler.bytecode.Bytecodes.TABLESWITCH;
+import static org.graalvm.compiler.bytecode.Bytecodes.WIDE;
 import static org.graalvm.compiler.core.common.GraalOptions.SupportJsrBytecodes;
 
 import java.util.ArrayDeque;
@@ -111,6 +247,7 @@
 import org.graalvm.compiler.bytecode.Bytecodes;
 import org.graalvm.compiler.core.common.PermanentBailoutException;
 import org.graalvm.compiler.debug.DebugContext;
+import org.graalvm.compiler.debug.GraalError;
 import org.graalvm.compiler.options.OptionValues;
 
 import jdk.vm.ci.code.BytecodeFrame;
@@ -159,7 +296,7 @@
 
         int id;
         final int startBci;
-        int endBci;
+        int endBci; // The bci of the last bytecode in the block
         private boolean isExceptionEntry;
         private boolean isLoopHeader;
         int loopId;
@@ -698,7 +835,9 @@
                 case SALOAD:
                 case ARRAYLENGTH:
                 case CHECKCAST:
+                case INSTANCEOF:
                 case NEW:
+                case NEWARRAY:
                 case ANEWARRAY:
                 case MULTIANEWARRAY:
                 case PUTSTATIC:
@@ -707,7 +846,8 @@
                 case GETFIELD:
                 case LDC:
                 case LDC_W:
-                case LDC2_W: {
+                case LDC2_W:
+                case MONITORENTER: {
                     /*
                      * All bytecodes that can trigger lazy class initialization via a
                      * ClassInitializationPlugin (allocations, static field access) must be listed
@@ -720,7 +860,150 @@
                         addSuccessor(blockMap, bci, makeBlock(blockMap, stream.nextBCI()));
                         addSuccessor(blockMap, bci, handler);
                     }
+                    break;
                 }
+
+                case NOP:
+                case ACONST_NULL:
+                case ICONST_M1:
+                case ICONST_0:
+                case ICONST_1:
+                case ICONST_2:
+                case ICONST_3:
+                case ICONST_4:
+                case ICONST_5:
+                case LCONST_0:
+                case LCONST_1:
+                case FCONST_0:
+                case FCONST_1:
+                case FCONST_2:
+                case DCONST_0:
+                case DCONST_1:
+                case BIPUSH:
+                case SIPUSH:
+                case ILOAD:
+                case LLOAD:
+                case FLOAD:
+                case DLOAD:
+                case ALOAD:
+                case ILOAD_0:
+                case ILOAD_1:
+                case ILOAD_2:
+                case ILOAD_3:
+                case LLOAD_0:
+                case LLOAD_1:
+                case LLOAD_2:
+                case LLOAD_3:
+                case FLOAD_0:
+                case FLOAD_1:
+                case FLOAD_2:
+                case FLOAD_3:
+                case DLOAD_0:
+                case DLOAD_1:
+                case DLOAD_2:
+                case DLOAD_3:
+                case ALOAD_0:
+                case ALOAD_1:
+                case ALOAD_2:
+                case ALOAD_3:
+                case ISTORE:
+                case LSTORE:
+                case FSTORE:
+                case DSTORE:
+                case ASTORE:
+                case ISTORE_0:
+                case ISTORE_1:
+                case ISTORE_2:
+                case ISTORE_3:
+                case LSTORE_0:
+                case LSTORE_1:
+                case LSTORE_2:
+                case LSTORE_3:
+                case FSTORE_0:
+                case FSTORE_1:
+                case FSTORE_2:
+                case FSTORE_3:
+                case DSTORE_0:
+                case DSTORE_1:
+                case DSTORE_2:
+                case DSTORE_3:
+                case ASTORE_0:
+                case ASTORE_1:
+                case ASTORE_2:
+                case ASTORE_3:
+                case POP:
+                case POP2:
+                case DUP:
+                case DUP_X1:
+                case DUP_X2:
+                case DUP2:
+                case DUP2_X1:
+                case DUP2_X2:
+                case SWAP:
+                case IADD:
+                case LADD:
+                case FADD:
+                case DADD:
+                case ISUB:
+                case LSUB:
+                case FSUB:
+                case DSUB:
+                case IMUL:
+                case LMUL:
+                case FMUL:
+                case DMUL:
+                case FDIV:
+                case DDIV:
+                case FREM:
+                case DREM:
+                case INEG:
+                case LNEG:
+                case FNEG:
+                case DNEG:
+                case ISHL:
+                case LSHL:
+                case ISHR:
+                case LSHR:
+                case IUSHR:
+                case LUSHR:
+                case IAND:
+                case LAND:
+                case IOR:
+                case LOR:
+                case IXOR:
+                case LXOR:
+                case IINC:
+                case I2L:
+                case I2F:
+                case I2D:
+                case L2I:
+                case L2F:
+                case L2D:
+                case F2I:
+                case F2L:
+                case F2D:
+                case D2I:
+                case D2L:
+                case D2F:
+                case I2B:
+                case I2C:
+                case I2S:
+                case LCMP:
+                case FCMPL:
+                case FCMPG:
+                case DCMPL:
+                case DCMPG:
+                case MONITOREXIT:
+                    // All stack manipulation, comparison, conversion and arithmetic operators
+                    // except for idiv and irem can't throw exceptions so the don't need to connect
+                    // exception edges. MONITOREXIT can't throw exceptions in the context of
+                    // compiled code because of the structured locking requirement in the parser.
+                    break;
+
+                case WIDE:
+                case BREAKPOINT:
+                default:
+                    throw new GraalError("Unhandled bytecode");
             }
             stream.next();
         }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.java/src/org/graalvm/compiler/java/BytecodeParser.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.java/src/org/graalvm/compiler/java/BytecodeParser.java	Wed Oct 16 15:31:05 2019 +0200
@@ -361,6 +361,7 @@
 import org.graalvm.compiler.nodes.calc.ConditionalNode;
 import org.graalvm.compiler.nodes.calc.FloatConvertNode;
 import org.graalvm.compiler.nodes.calc.FloatDivNode;
+import org.graalvm.compiler.nodes.calc.FloatNormalizeCompareNode;
 import org.graalvm.compiler.nodes.calc.IntegerBelowNode;
 import org.graalvm.compiler.nodes.calc.IntegerEqualsNode;
 import org.graalvm.compiler.nodes.calc.IntegerLessThanNode;
@@ -370,7 +371,6 @@
 import org.graalvm.compiler.nodes.calc.MulNode;
 import org.graalvm.compiler.nodes.calc.NarrowNode;
 import org.graalvm.compiler.nodes.calc.NegateNode;
-import org.graalvm.compiler.nodes.calc.FloatNormalizeCompareNode;
 import org.graalvm.compiler.nodes.calc.ObjectEqualsNode;
 import org.graalvm.compiler.nodes.calc.OrNode;
 import org.graalvm.compiler.nodes.calc.RemNode;
@@ -2706,8 +2706,10 @@
         }
         MonitorIdNode monitorId = frameState.peekMonitorId();
         ValueNode lockedObject = frameState.popLock();
-        if (GraphUtil.originalValue(lockedObject) != GraphUtil.originalValue(x)) {
-            throw bailout(String.format("unbalanced monitors: mismatch at monitorexit, %s != %s", GraphUtil.originalValue(x), GraphUtil.originalValue(lockedObject)));
+        ValueNode originalLockedObject = GraphUtil.originalValue(lockedObject, false);
+        ValueNode originalX = GraphUtil.originalValue(x, false);
+        if (originalLockedObject != originalX) {
+            throw bailout(String.format("unbalanced monitors: mismatch at monitorexit, %s != %s", originalLockedObject, originalX));
         }
         MonitorExitNode monitorExit = append(new MonitorExitNode(lockedObject, monitorId, escapedValue));
         monitorExit.setStateAfter(createFrameState(bci, monitorExit));
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.java/src/org/graalvm/compiler/java/FrameStateBuilder.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.java/src/org/graalvm/compiler/java/FrameStateBuilder.java	Wed Oct 16 15:31:05 2019 +0200
@@ -35,6 +35,7 @@
 import static org.graalvm.compiler.bytecode.Bytecodes.SWAP;
 import static org.graalvm.compiler.debug.GraalError.shouldNotReachHere;
 import static org.graalvm.compiler.nodes.FrameState.TWO_SLOT_MARKER;
+import static org.graalvm.compiler.nodes.util.GraphUtil.originalValue;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -70,7 +71,6 @@
 import org.graalvm.compiler.nodes.graphbuilderconf.IntrinsicContext.SideEffectsState;
 import org.graalvm.compiler.nodes.graphbuilderconf.ParameterPlugin;
 import org.graalvm.compiler.nodes.java.MonitorIdNode;
-import org.graalvm.compiler.nodes.util.GraphUtil;
 
 import jdk.vm.ci.code.BytecodeFrame;
 import jdk.vm.ci.meta.Assumptions;
@@ -384,38 +384,54 @@
         return new FrameStateBuilder(this);
     }
 
-    public boolean isCompatibleWith(FrameStateBuilder other) {
+    private String incompatibilityErrorMessage(String reason, FrameStateBuilder other) {
+        return String.format("Frame states being merged are incompatible: %s%n This frame state: %s%nOther frame state: %s%nParser context: %s", reason, this, other, parser);
+    }
+
+    /**
+     * Checks invariants that must hold when merging {@code other} into this frame state.
+     *
+     * @param other
+     * @throws PermanentBailoutException if the frame states are incompatible with respect to their
+     *             locked objects. This indicates bytecode that has unstructured or unbalanced
+     *             locks.
+     * @throws GraalError if the frame states are incompatible in terms of {@link #rethrowException}
+     *             or stack slots
+     */
+    public void checkCompatibleWith(FrameStateBuilder other) {
         assert code.equals(other.code) && graph == other.graph && localsSize() == other.localsSize() : "Can only compare frame states of the same method";
         assert lockedObjects.length == monitorIds.length && other.lockedObjects.length == other.monitorIds.length : "mismatch between lockedObjects and monitorIds";
 
         if (rethrowException != other.rethrowException) {
-            return false;
+            throw new GraalError(incompatibilityErrorMessage("mismatch in rethrowException flag", other));
         }
 
         if (stackSize() != other.stackSize()) {
-            return false;
+            throw new GraalError(incompatibilityErrorMessage("mismatch in stack sizes", other));
         }
         for (int i = 0; i < stackSize(); i++) {
             ValueNode x = stack[i];
             ValueNode y = other.stack[i];
             assert x != null && y != null;
             if (x != y && (x == TWO_SLOT_MARKER || x.isDeleted() || y == TWO_SLOT_MARKER || y.isDeleted() || x.getStackKind() != y.getStackKind())) {
-                return false;
+                throw new GraalError(incompatibilityErrorMessage("mismatch in stack types", other));
             }
         }
         if (lockedObjects.length != other.lockedObjects.length) {
-            return false;
+            throw new PermanentBailoutException(incompatibilityErrorMessage("unbalanced monitors - locked objects do not match", other));
         }
         for (int i = 0; i < lockedObjects.length; i++) {
-            if (GraphUtil.originalValue(lockedObjects[i]) != GraphUtil.originalValue(other.lockedObjects[i]) || monitorIds[i] != other.monitorIds[i]) {
-                throw new PermanentBailoutException("unbalanced monitors");
+            if (originalValue(lockedObjects[i], false) != originalValue(other.lockedObjects[i], false)) {
+                throw new PermanentBailoutException(incompatibilityErrorMessage("unbalanced monitors - locked objects do not match", other));
+            }
+            if (monitorIds[i] != other.monitorIds[i]) {
+                throw new PermanentBailoutException(incompatibilityErrorMessage("unbalanced monitors - monitors do not match", other));
             }
         }
-        return true;
     }
 
     public void merge(AbstractMergeNode block, FrameStateBuilder other) {
-        GraalError.guarantee(isCompatibleWith(other), "stacks do not match on merge; bytecodes would not verify:%nexpect: %s%nactual: %s", block, other);
+        checkCompatibleWith(other);
 
         for (int i = 0; i < localsSize(); i++) {
             locals[i] = merge(locals[i], other.locals[i], block);
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/reflect/Field_set02.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/reflect/Field_set02.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,10 +24,11 @@
 
 package org.graalvm.compiler.jtt.reflect;
 
+import org.graalvm.compiler.debug.DebugOptions;
+import org.graalvm.compiler.jtt.JTTTest;
+import org.graalvm.compiler.options.OptionValues;
 import org.junit.Test;
 
-import org.graalvm.compiler.jtt.JTTTest;
-
 /*
  */
 public class Field_set02 extends JTTTest {
@@ -76,7 +77,13 @@
 
     @Test
     public void run0() throws Throwable {
-        runTest("test", 0);
+        try {
+            runTest("test", 0);
+        } catch (AssertionError e) {
+            System.err.println(e);
+            System.err.println("object.byteField == " + object.byteField);
+            runTest(new OptionValues(getInitialOptions(), DebugOptions.Dump, ":2"), "test", 0);
+        }
     }
 
     @Test
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.aarch64/src/org/graalvm/compiler/lir/aarch64/AArch64ArithmeticOp.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.aarch64/src/org/graalvm/compiler/lir/aarch64/AArch64ArithmeticOp.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -481,7 +481,7 @@
          */
         public MultiplyAddSubOp(AArch64ArithmeticOp op, AllocatableValue result, AllocatableValue src1, AllocatableValue src2, AllocatableValue src3) {
             super(TYPE);
-            assert op == ADD || op == SUB;
+            assert op == ADD || op == SUB || op == FADD;
             this.op = op;
             this.result = result;
             this.src1 = src1;
@@ -499,6 +499,9 @@
                 case SUB:
                     masm.msub(size, asRegister(result), asRegister(src1), asRegister(src2), asRegister(src3));
                     break;
+                case FADD:
+                    masm.fmadd(size, asRegister(result), asRegister(src1), asRegister(src2), asRegister(src3));
+                    break;
                 default:
                     throw GraalError.shouldNotReachHere();
             }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.aarch64/src/org/graalvm/compiler/lir/aarch64/AArch64ZeroMemoryOp.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.aarch64/src/org/graalvm/compiler/lir/aarch64/AArch64ZeroMemoryOp.java	Wed Oct 16 15:31:05 2019 +0200
@@ -32,6 +32,7 @@
 import org.graalvm.compiler.asm.Label;
 import org.graalvm.compiler.asm.aarch64.AArch64Address;
 import org.graalvm.compiler.asm.aarch64.AArch64Assembler;
+import org.graalvm.compiler.asm.aarch64.AArch64Assembler.ConditionFlag;
 import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler;
 import org.graalvm.compiler.lir.LIRInstructionClass;
 import org.graalvm.compiler.lir.Opcode;
@@ -39,7 +40,7 @@
 
 import jdk.vm.ci.code.CodeUtil;
 import jdk.vm.ci.code.Register;
-import jdk.vm.ci.meta.AllocatableValue;
+import jdk.vm.ci.meta.Value;
 
 /**
  * Zero a chunk of memory on AArch64.
@@ -48,136 +49,186 @@
 public final class AArch64ZeroMemoryOp extends AArch64LIRInstruction {
     public static final LIRInstructionClass<AArch64ZeroMemoryOp> TYPE = LIRInstructionClass.create(AArch64ZeroMemoryOp.class);
 
-    @Use({REG}) protected AllocatableValue addressValue;
-    @Use({REG}) protected AllocatableValue lengthValue;
+    @Use({REG}) protected Value addressValue;
+    @Use({REG}) protected Value lengthValue;
 
+    @Temp({REG}) protected Value addressValueTemp;
+    @Temp({REG}) protected Value lengthValueTemp;
+
+    private final boolean isAligned;
     private final boolean useDcZva;
     private final int zvaLength;
 
     /**
      * Constructor of AArch64ZeroMemoryOp.
      *
-     * @param address allocatable 8-byte aligned base address of the memory chunk.
-     * @param length allocatable length of the memory chunk, the value must be multiple of 8.
+     * @param address starting address of the memory chunk to be zeroed.
+     * @param length size of the memory chunk to be zeroed, in bytes.
+     * @param isAligned whether both address and size are aligned to 8 bytes.
      * @param useDcZva is DC ZVA instruction is able to use.
      * @param zvaLength the ZVA length info of current AArch64 CPU, negative value indicates length
      *            is unknown at compile time.
      */
-    public AArch64ZeroMemoryOp(AllocatableValue address, AllocatableValue length, boolean useDcZva, int zvaLength) {
+    public AArch64ZeroMemoryOp(Value address, Value length, boolean isAligned, boolean useDcZva, int zvaLength) {
         super(TYPE);
         this.addressValue = address;
         this.lengthValue = length;
+        this.addressValueTemp = address;
+        this.lengthValueTemp = length;
         this.useDcZva = useDcZva;
         this.zvaLength = zvaLength;
+        this.isAligned = isAligned;
     }
 
     @Override
     protected void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
         Register base = asRegister(addressValue);
         Register size = asRegister(lengthValue);
-        if (useDcZva && zvaLength > 0) {
-            // From ARMv8-A architecture reference manual D12.2.35 Data Cache Zero ID register:
-            // A valid ZVA length should be a power-of-2 value in [4, 2048]
-            assert (CodeUtil.isPowerOf2(zvaLength) && 4 <= zvaLength && zvaLength <= 2048);
-            emitZeroMemoryWithDc(masm, base, size, zvaLength);
-        } else {
-            // Use store pair instructions (STP) to zero memory as a fallback.
-            emitZeroMemoryWithStp(masm, base, size);
-        }
-    }
+
+        try (AArch64MacroAssembler.ScratchRegister scratchRegister = masm.getScratchRegister()) {
+            Register alignmentBits = scratchRegister.getRegister();
+
+            Label tail = new Label();
+            Label done = new Label();
+
+            // Jump to DONE if size is zero.
+            masm.cbz(64, size, done);
+
+            if (!isAligned) {
+                Label baseAlignedTo2Bytes = new Label();
+                Label baseAlignedTo4Bytes = new Label();
+                Label baseAlignedTo8Bytes = new Label();
+
+                // Jump to per-byte zeroing loop if the zeroing size is less than 8
+                masm.cmp(64, size, 8);
+                masm.branchConditionally(ConditionFlag.LT, tail);
+
+                // Make base 8-byte aligned
+                masm.neg(64, alignmentBits, base);
+                masm.and(64, alignmentBits, alignmentBits, 7);
+
+                masm.tbz(alignmentBits, 0, baseAlignedTo2Bytes);
+                masm.sub(64, size, size, 1);
+                masm.str(8, zr, AArch64Address.createPostIndexedImmediateAddress(base, 1));
+                masm.bind(baseAlignedTo2Bytes);
+
+                masm.tbz(alignmentBits, 1, baseAlignedTo4Bytes);
+                masm.sub(64, size, size, 2);
+                masm.str(16, zr, AArch64Address.createPostIndexedImmediateAddress(base, 2));
+                masm.bind(baseAlignedTo4Bytes);
 
-    /**
-     * Zero a chunk of memory with DC ZVA instructions.
-     *
-     * @param masm the AArch64 macro assembler.
-     * @param base base an 8-byte aligned address of the memory chunk to be zeroed.
-     * @param size size of the memory chunk to be zeroed, in bytes, must be multiple of 8.
-     * @param zvaLength the ZVA length info of current AArch64 CPU.
-     */
-    private static void emitZeroMemoryWithDc(AArch64MacroAssembler masm, Register base, Register size, int zvaLength) {
-        Label preLoop = new Label();
-        Label zvaLoop = new Label();
-        Label postLoop = new Label();
-        Label tail = new Label();
-        Label done = new Label();
+                masm.tbz(alignmentBits, 2, baseAlignedTo8Bytes);
+                masm.sub(64, size, size, 4);
+                masm.str(32, zr, AArch64Address.createPostIndexedImmediateAddress(base, 4));
+                masm.bind(baseAlignedTo8Bytes);
+                // At this point base is 8-byte aligned.
+            }
+
+            if (useDcZva && zvaLength > 0) {
+                // From ARMv8-A architecture reference manual D12.2.35 Data Cache Zero ID register:
+                // A valid ZVA length should be a power-of-2 value in [4, 2048]
+                assert (CodeUtil.isPowerOf2(zvaLength) && 4 <= zvaLength && zvaLength <= 2048);
 
-        try (AArch64MacroAssembler.ScratchRegister sc1 = masm.getScratchRegister()) {
-            Register rscratch1 = sc1.getRegister();
+                Label preCheck = new Label();
+                Label preLoop = new Label();
+                Label mainCheck = new Label();
+                Label mainLoop = new Label();
+                Label postCheck = new Label();
+                Label postLoop = new Label();
+
+                masm.neg(64, alignmentBits, base);
+                masm.and(64, alignmentBits, alignmentBits, zvaLength - 1);
 
-            // Count number of bytes to be pre-zeroed to align base address with ZVA length.
-            masm.neg(64, rscratch1, base);
-            masm.and(64, rscratch1, rscratch1, zvaLength - 1);
+                // Is size less than number of bytes to be pre-zeroed? Jump to post check if so.
+                masm.cmp(64, size, alignmentBits);
+                masm.branchConditionally(AArch64Assembler.ConditionFlag.LE, postCheck);
+                masm.sub(64, size, size, alignmentBits);
+
+                // Pre loop: align base according to the supported bulk zeroing stride.
+                masm.jmp(preCheck);
+
+                masm.align(crb.target.wordSize * 2);
+                masm.bind(preLoop);
+                masm.str(64, zr, AArch64Address.createPostIndexedImmediateAddress(base, 8));
+                masm.bind(preCheck);
+                masm.subs(64, alignmentBits, alignmentBits, 8);
+                masm.branchConditionally(AArch64Assembler.ConditionFlag.GE, preLoop);
 
-            // Is size less than number of bytes to be pre-zeroed? Jump to POST_LOOP if so.
-            masm.cmp(64, size, rscratch1);
-            masm.branchConditionally(AArch64Assembler.ConditionFlag.LE, postLoop);
-            masm.sub(64, size, size, rscratch1);
+                // Main loop: bulk zeroing
+                masm.jmp(mainCheck);
+
+                masm.align(crb.target.wordSize * 2);
+                masm.bind(mainLoop);
+                masm.dc(AArch64Assembler.DataCacheOperationType.ZVA, base);
+                masm.add(64, base, base, zvaLength);
+                masm.bind(mainCheck);
+                masm.subs(64, size, size, zvaLength);
+                masm.branchConditionally(AArch64Assembler.ConditionFlag.GE, mainLoop);
+
+                masm.add(64, size, size, zvaLength);
+
+                // Post loop: handle bytes after the main loop
+                masm.jmp(postCheck);
 
-            // Pre-ZVA loop.
-            masm.bind(preLoop);
-            masm.subs(64, rscratch1, rscratch1, 8);
-            masm.branchConditionally(AArch64Assembler.ConditionFlag.LT, zvaLoop);
-            masm.str(64, zr, AArch64Address.createPostIndexedImmediateAddress(base, 8));
-            masm.jmp(preLoop);
+                masm.align(crb.target.wordSize * 2);
+                masm.bind(postLoop);
+                masm.str(64, zr, AArch64Address.createPostIndexedImmediateAddress(base, 8));
+                masm.bind(postCheck);
+                masm.subs(64, size, size, 8);
+                masm.branchConditionally(AArch64Assembler.ConditionFlag.GE, postLoop);
+
+                if (!isAligned) {
+                    // Restore size for tail zeroing
+                    masm.add(64, size, size, 8);
+                }
+            } else {
+                Label mainCheck = new Label();
+                Label mainLoop = new Label();
+
+                if (!isAligned) {
+                    // After aligning base, we may have size less than 8. Need to check again.
+                    masm.cmp(64, size, 8);
+                    masm.branchConditionally(ConditionFlag.LT, tail);
+                }
 
-            // ZVA loop.
-            masm.bind(zvaLoop);
-            masm.subs(64, size, size, zvaLength);
-            masm.branchConditionally(AArch64Assembler.ConditionFlag.LT, tail);
-            masm.dc(AArch64Assembler.DataCacheOperationType.ZVA, base);
-            masm.add(64, base, base, zvaLength);
-            masm.jmp(zvaLoop);
+                masm.tbz(base, 3, mainCheck);
+                masm.sub(64, size, size, 8);
+                masm.str(64, zr, AArch64Address.createPostIndexedImmediateAddress(base, 8));
+                masm.jmp(mainCheck);
 
-            // Handle bytes after ZVA loop.
+                // The STP loop that zeros 16 bytes in each iteration.
+                masm.align(crb.target.wordSize * 2);
+                masm.bind(mainLoop);
+                masm.stp(64, zr, zr, AArch64Address.createPostIndexedImmediateAddress(base, 2));
+                masm.bind(mainCheck);
+                masm.subs(64, size, size, 16);
+                masm.branchConditionally(AArch64Assembler.ConditionFlag.GE, mainLoop);
+
+                // We may need to zero the tail 8 bytes of the memory chunk.
+                masm.add(64, size, size, 16);
+                masm.tbz(size, 3, tail);
+                masm.str(64, zr, AArch64Address.createPostIndexedImmediateAddress(base, 8));
+
+                if (!isAligned) {
+                    // Adjust size for tail zeroing
+                    masm.sub(64, size, size, 8);
+                }
+            }
+
             masm.bind(tail);
-            masm.add(64, size, size, zvaLength);
+            if (!isAligned) {
+                Label perByteZeroingLoop = new Label();
 
-            // Post-ZVA loop.
-            masm.bind(postLoop);
-            masm.subs(64, size, size, 8);
-            masm.branchConditionally(AArch64Assembler.ConditionFlag.LT, done);
-            masm.str(64, zr, AArch64Address.createPostIndexedImmediateAddress(base, 8));
-            masm.jmp(postLoop);
-
-            // Done.
+                masm.cbz(64, size, done);
+                // We have to ensure size > 0 when entering the following loop
+                masm.align(crb.target.wordSize * 2);
+                masm.bind(perByteZeroingLoop);
+                masm.str(8, zr, AArch64Address.createPostIndexedImmediateAddress(base, 1));
+                masm.subs(64, size, size, 1);
+                masm.branchConditionally(AArch64Assembler.ConditionFlag.NE, perByteZeroingLoop);
+            }
             masm.bind(done);
         }
     }
 
-    /**
-     * Zero a chunk of memory with STP instructions.
-     *
-     * @param masm the AArch64 macro assembler.
-     * @param base base an 8-byte aligned address of the memory chunk to be zeroed.
-     * @param size size of the memory chunk to be zeroed, in bytes, must be multiple of 8.
-     */
-    private static void emitZeroMemoryWithStp(AArch64MacroAssembler masm, Register base, Register size) {
-        Label loop = new Label();
-        Label tail = new Label();
-        Label done = new Label();
-
-        // Jump to DONE if size is zero.
-        masm.cbz(64, size, done);
-
-        // Is base address already 16-byte aligned? Jump to LDP loop if so.
-        masm.tbz(base, 3, loop);
-        masm.sub(64, size, size, 8);
-        masm.str(64, zr, AArch64Address.createPostIndexedImmediateAddress(base, 8));
-
-        // The STP loop that zeros 16 bytes in each iteration.
-        masm.bind(loop);
-        masm.subs(64, size, size, 16);
-        masm.branchConditionally(AArch64Assembler.ConditionFlag.LT, tail);
-        masm.stp(64, zr, zr, AArch64Address.createPostIndexedImmediateAddress(base, 2));
-        masm.jmp(loop);
-
-        // We may need to zero the tail 8 bytes of the memory chunk.
-        masm.bind(tail);
-        masm.adds(64, size, size, 16);
-        masm.branchConditionally(AArch64Assembler.ConditionFlag.EQ, done);
-        masm.str(64, zr, AArch64Address.createPostIndexedImmediateAddress(base, 8));
-
-        // Done.
-        masm.bind(done);
-    }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.sparc/src/org/graalvm/compiler/lir/sparc/SPARCControlFlow.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.sparc/src/org/graalvm/compiler/lir/sparc/SPARCControlFlow.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -115,7 +115,7 @@
 public class SPARCControlFlow {
     // This describes the maximum offset between the first emitted (load constant in to scratch,
     // if does not fit into simm5 of cbcond) instruction and the final branch instruction
-    private static final int maximumSelfOffsetInstructions = 2;
+    private static final int maximumSelfOffsetInstructions = 10;
 
     public static final class ReturnOp extends SPARCBlockEndOp {
         public static final LIRInstructionClass<ReturnOp> TYPE = LIRInstructionClass.create(ReturnOp.class);
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/gen/LIRGeneratorTool.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/gen/LIRGeneratorTool.java	Wed Oct 16 15:31:05 2019 +0200
@@ -355,7 +355,7 @@
     }
 
     @SuppressWarnings("unused")
-    default void emitZeroMemory(Value address, Value length) {
+    default void emitZeroMemory(Value address, Value length, boolean isAligned) {
         throw GraalError.unimplemented("Bulk zeroing is not implemented on this architecture");
     }
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.loop/src/org/graalvm/compiler/loop/LoopFragmentInside.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.loop/src/org/graalvm/compiler/loop/LoopFragmentInside.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -245,60 +245,40 @@
         // Discard the segment entry and its flow, after if merging it into the loop
         StructuredGraph graph = mainLoopBegin.graph();
         IfNode loopTest = mainCounted.getLimitTest();
-        IfNode newSegmentTest = getDuplicatedNode(loopTest);
-        AbstractBeginNode trueSuccessor = loopTest.trueSuccessor();
-        AbstractBeginNode falseSuccessor = loopTest.falseSuccessor();
-        FixedNode firstNode;
-        boolean codeInTrueSide = false;
-        if (trueSuccessor == mainCounted.getBody()) {
-            firstNode = trueSuccessor.next();
-            codeInTrueSide = true;
-        } else {
-            assert (falseSuccessor == mainCounted.getBody());
-            firstNode = falseSuccessor.next();
-        }
-        trueSuccessor = newSegmentTest.trueSuccessor();
-        falseSuccessor = newSegmentTest.falseSuccessor();
+        IfNode newSegmentLoopTest = getDuplicatedNode(loopTest);
+
+        // Redirect anchors
+        AbstractBeginNode falseSuccessor = newSegmentLoopTest.falseSuccessor();
         for (Node usage : falseSuccessor.anchored().snapshot()) {
             usage.replaceFirstInput(falseSuccessor, loopTest.falseSuccessor());
         }
+        AbstractBeginNode trueSuccessor = newSegmentLoopTest.trueSuccessor();
         for (Node usage : trueSuccessor.anchored().snapshot()) {
             usage.replaceFirstInput(trueSuccessor, loopTest.trueSuccessor());
         }
-        AbstractBeginNode startBlockNode;
-        if (codeInTrueSide) {
-            startBlockNode = trueSuccessor;
-        } else {
-            graph.getDebug().dump(DebugContext.VERBOSE_LEVEL, mainLoopBegin.graph(), "before");
-            startBlockNode = falseSuccessor;
-        }
-        FixedNode lastNode = getBlockEnd(startBlockNode);
-        LoopEndNode loopEndNode = mainLoopBegin.getSingleLoopEnd();
-        FixedWithNextNode lastCodeNode = (FixedWithNextNode) loopEndNode.predecessor();
-        FixedNode newSegmentFirstNode = getDuplicatedNode(firstNode);
-        FixedWithNextNode newSegmentLastNode = getDuplicatedNode(lastCodeNode);
-        graph.getDebug().dump(DebugContext.DETAILED_LEVEL, loopEndNode.graph(), "Before placing segment");
-        if (firstNode instanceof LoopEndNode) {
+
+        // remove if test
+        graph.removeSplitPropagate(newSegmentLoopTest, loopTest.trueSuccessor() == mainCounted.getBody() ? trueSuccessor : falseSuccessor);
+
+        graph.getDebug().dump(DebugContext.DETAILED_LEVEL, graph, "Before placing segment");
+        if (mainCounted.getBody().next() instanceof LoopEndNode) {
             GraphUtil.killCFG(getDuplicatedNode(mainLoopBegin));
         } else {
-            newSegmentLastNode.clearSuccessors();
-            startBlockNode.setNext(lastNode);
+            AbstractBeginNode newSegmentBegin = getDuplicatedNode(mainLoopBegin);
+            FixedNode newSegmentFirstNode = newSegmentBegin.next();
+            EndNode newSegmentEnd = getBlockEnd(newSegmentBegin);
+            FixedWithNextNode newSegmentLastNode = (FixedWithNextNode) newSegmentEnd.predecessor();
+            LoopEndNode loopEndNode = mainLoopBegin.getSingleLoopEnd();
+            FixedWithNextNode lastCodeNode = (FixedWithNextNode) loopEndNode.predecessor();
+
+            newSegmentBegin.clearSuccessors();
             lastCodeNode.replaceFirstSuccessor(loopEndNode, newSegmentFirstNode);
-            newSegmentLastNode.replaceFirstSuccessor(lastNode, loopEndNode);
-            lastCodeNode.setNext(newSegmentFirstNode);
-            newSegmentLastNode.setNext(loopEndNode);
-            startBlockNode.clearSuccessors();
-            lastNode.safeDelete();
-            Node newSegmentTestStart = newSegmentTest.predecessor();
-            LogicNode newSegmentIfTest = newSegmentTest.condition();
-            newSegmentTestStart.clearSuccessors();
-            newSegmentTest.safeDelete();
-            newSegmentIfTest.safeDelete();
-            trueSuccessor.safeDelete();
-            falseSuccessor.safeDelete();
-            newSegmentTestStart.safeDelete();
+            newSegmentLastNode.replaceFirstSuccessor(newSegmentEnd, loopEndNode);
+
+            newSegmentBegin.safeDelete();
+            newSegmentEnd.safeDelete();
         }
-        graph.getDebug().dump(DebugContext.DETAILED_LEVEL, loopEndNode.graph(), "After placing segment");
+        graph.getDebug().dump(DebugContext.DETAILED_LEVEL, graph, "After placing segment");
     }
 
     private static EndNode getBlockEnd(FixedNode node) {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes.test/src/org/graalvm/compiler/nodes/test/ExceptionLivenessTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+package org.graalvm.compiler.nodes.test;
+
+import static org.graalvm.compiler.java.BytecodeParserOptions.InlineDuringParsing;
+
+import org.graalvm.compiler.core.phases.HighTier;
+import org.graalvm.compiler.core.test.GraalCompilerTest;
+import org.graalvm.compiler.options.OptionValues;
+import org.junit.Test;
+
+public class ExceptionLivenessTest extends GraalCompilerTest {
+    @Test
+    public void testNewarray() {
+        OptionValues options = new OptionValues(getInitialOptions(), HighTier.Options.Inline, false, InlineDuringParsing, false);
+        test(options, "newarraySnippet");
+    }
+
+    public static int[] newarraySnippet() {
+        int[] array = new int[4];
+
+        dummy();
+        try {
+            array = new int[-10];
+        } catch (NegativeArraySizeException exc3) {
+        }
+        return array;
+    }
+
+    @BytecodeParserNeverInline
+    static void dummy() {
+    }
+}
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/AbstractBeginNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/AbstractBeginNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,6 +32,7 @@
 import org.graalvm.compiler.graph.IterableNodeType;
 import org.graalvm.compiler.graph.Node;
 import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.graph.Position;
 import org.graalvm.compiler.graph.iterators.NodeIterable;
 import org.graalvm.compiler.nodeinfo.InputType;
 import org.graalvm.compiler.nodeinfo.NodeInfo;
@@ -97,6 +98,19 @@
         }
     }
 
+    public boolean isUsedAsGuardInput() {
+        if (this.hasUsages()) {
+            for (Node n : usages()) {
+                for (Position inputPosition : n.inputPositions()) {
+                    if (inputPosition.getInputType() == InputType.Guard && inputPosition.get(n) == this) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
     public NodeIterable<GuardNode> guards() {
         return usages().filter(GuardNode.class);
     }
@@ -105,6 +119,10 @@
         return usages();
     }
 
+    public boolean hasAnchored() {
+        return this.hasUsages();
+    }
+
     public NodeIterable<FixedNode> getBlockNodes() {
         return new NodeIterable<FixedNode>() {
 
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/IfNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/IfNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -548,7 +548,7 @@
                 return false;
             }
 
-            if (trueSuccessor().anchored().isNotEmpty() || falseSuccessor().anchored().isNotEmpty()) {
+            if (trueSuccessor().hasAnchored() || falseSuccessor().hasAnchored()) {
                 return false;
             }
 
@@ -1216,6 +1216,10 @@
             return false;
         }
 
+        if (trueSuccessor().isUsedAsGuardInput() || falseSuccessor().isUsedAsGuardInput()) {
+            return false;
+        }
+
         ValuePhiNode phi = (ValuePhiNode) generalPhi;
 
         EconomicMap<Node, NodeColor> coloredNodes = EconomicMap.create(Equivalence.IDENTITY, 8);
@@ -1645,6 +1649,10 @@
             return false;
         }
 
+        if (trueSuccessor().isUsedAsGuardInput() || falseSuccessor().isUsedAsGuardInput()) {
+            return false;
+        }
+
         // Ensure phi is used by at most the comparison and the merge's frame state (if any)
         ValuePhiNode phi = (ValuePhiNode) singleUsage;
         NodeIterable<Node> phiUsages = phi.usages();
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/AbsNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/AbsNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,8 +26,10 @@
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2;
 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp.Abs;
 import org.graalvm.compiler.graph.NodeClass;
 import org.graalvm.compiler.graph.spi.CanonicalizerTool;
@@ -46,7 +48,7 @@
     public static final NodeClass<AbsNode> TYPE = NodeClass.create(AbsNode.class);
 
     public AbsNode(ValueNode x) {
-        super(TYPE, ArithmeticOpTable::getAbs, x);
+        super(TYPE, getArithmeticOpTable(x).getAbs(), x);
     }
 
     public static ValueNode create(ValueNode value, NodeView view) {
@@ -67,6 +69,11 @@
     }
 
     @Override
+    protected UnaryOp<Abs> getOp(ArithmeticOpTable table) {
+        return table.getAbs();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) {
         ValueNode ret = super.canonical(tool, forValue);
         if (ret != this) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/AddNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/AddNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -54,7 +54,7 @@
     }
 
     protected AddNode(NodeClass<? extends AddNode> c, ValueNode x, ValueNode y) {
-        super(c, ArithmeticOpTable::getAdd, x, y);
+        super(c, getArithmeticOpTable(x).getAdd(), x, y);
     }
 
     public static ValueNode create(ValueNode x, ValueNode y, NodeView view) {
@@ -71,6 +71,11 @@
         }
     }
 
+    @Override
+    protected BinaryOp<Add> getOp(ArithmeticOpTable table) {
+        return table.getAdd();
+    }
+
     private static ValueNode canonical(AddNode addNode, BinaryOp<Add> op, ValueNode forX, ValueNode forY, NodeView view) {
         AddNode self = addNode;
         boolean associative = op.isAssociative();
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/AndNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/AndNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -51,7 +51,7 @@
     public static final NodeClass<AndNode> TYPE = NodeClass.create(AndNode.class);
 
     public AndNode(ValueNode x, ValueNode y) {
-        super(TYPE, ArithmeticOpTable::getAnd, x, y);
+        super(TYPE, getArithmeticOpTable(x).getAnd(), x, y);
     }
 
     public static ValueNode create(ValueNode x, ValueNode y, NodeView view) {
@@ -65,6 +65,11 @@
     }
 
     @Override
+    protected BinaryOp<And> getOp(ArithmeticOpTable table) {
+        return table.getAnd();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
         ValueNode ret = super.canonical(tool, forX, forY);
         if (ret != this) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/BinaryArithmeticNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/BinaryArithmeticNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,9 +27,6 @@
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1;
 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
 
-import java.io.Serializable;
-import java.util.function.Function;
-
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.BinaryOp;
 import org.graalvm.compiler.core.common.type.IntegerStamp;
@@ -58,20 +55,20 @@
 
     @SuppressWarnings("rawtypes") public static final NodeClass<BinaryArithmeticNode> TYPE = NodeClass.create(BinaryArithmeticNode.class);
 
-    protected interface SerializableBinaryFunction<T> extends Function<ArithmeticOpTable, BinaryOp<T>>, Serializable {
+    protected BinaryArithmeticNode(NodeClass<? extends BinaryArithmeticNode<OP>> c, BinaryOp<OP> opForStampComputation, ValueNode x, ValueNode y) {
+        super(c, opForStampComputation.foldStamp(x.stamp(NodeView.DEFAULT), y.stamp(NodeView.DEFAULT)), x, y);
     }
 
-    protected final SerializableBinaryFunction<OP> getOp;
-
-    protected BinaryArithmeticNode(NodeClass<? extends BinaryArithmeticNode<OP>> c, SerializableBinaryFunction<OP> getOp, ValueNode x, ValueNode y) {
-        super(c, getOp.apply(ArithmeticOpTable.forStamp(x.stamp(NodeView.DEFAULT))).foldStamp(x.stamp(NodeView.DEFAULT), y.stamp(NodeView.DEFAULT)), x, y);
-        this.getOp = getOp;
+    public static ArithmeticOpTable getArithmeticOpTable(ValueNode forValue) {
+        return ArithmeticOpTable.forStamp(forValue.stamp(NodeView.DEFAULT));
     }
 
+    protected abstract BinaryOp<OP> getOp(ArithmeticOpTable table);
+
     protected final BinaryOp<OP> getOp(ValueNode forX, ValueNode forY) {
-        ArithmeticOpTable table = ArithmeticOpTable.forStamp(forX.stamp(NodeView.DEFAULT));
-        assert table.equals(ArithmeticOpTable.forStamp(forY.stamp(NodeView.DEFAULT)));
-        return getOp.apply(table);
+        ArithmeticOpTable table = getArithmeticOpTable(forX);
+        assert table.equals(getArithmeticOpTable(forY));
+        return getOp(table);
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/FloatConvertNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/FloatConvertNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,12 +25,12 @@
 package org.graalvm.compiler.nodes.calc;
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_8;
-
-import java.util.EnumMap;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
 import org.graalvm.compiler.core.common.calc.FloatConvert;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.FloatConvertOp;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp;
 import org.graalvm.compiler.graph.NodeClass;
 import org.graalvm.compiler.graph.spi.CanonicalizerTool;
 import org.graalvm.compiler.lir.gen.ArithmeticLIRGeneratorTool;
@@ -55,16 +55,8 @@
 
     protected final FloatConvert op;
 
-    private static final EnumMap<FloatConvert, SerializableUnaryFunction<FloatConvertOp>> getOps;
-    static {
-        getOps = new EnumMap<>(FloatConvert.class);
-        for (FloatConvert op : FloatConvert.values()) {
-            getOps.put(op, table -> table.getFloatConvert(op));
-        }
-    }
-
     public FloatConvertNode(FloatConvert op, ValueNode input) {
-        super(TYPE, getOps.get(op), input);
+        super(TYPE, getArithmeticOpTable(input).getFloatConvert(op), input);
         this.op = op;
     }
 
@@ -76,6 +68,11 @@
         return new FloatConvertNode(op, input);
     }
 
+    @Override
+    protected UnaryOp<FloatConvertOp> getOp(ArithmeticOpTable table) {
+        return table.getFloatConvert(op);
+    }
+
     public FloatConvert getFloatConvert() {
         return op;
     }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/FloatDivNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/FloatDivNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -52,7 +52,7 @@
     }
 
     protected FloatDivNode(NodeClass<? extends FloatDivNode> c, ValueNode x, ValueNode y) {
-        super(c, ArithmeticOpTable::getDiv, x, y);
+        super(c, getArithmeticOpTable(x).getDiv(), x, y);
         assert stamp instanceof FloatStamp;
     }
 
@@ -67,6 +67,11 @@
     }
 
     @Override
+    protected BinaryOp<Div> getOp(ArithmeticOpTable table) {
+        return table.getDiv();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
         ValueNode ret = super.canonical(tool, forX, forY);
         if (ret != this) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/IntegerConvertNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/IntegerConvertNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -24,8 +24,7 @@
 
 package org.graalvm.compiler.nodes.calc;
 
-import java.io.Serializable;
-import java.util.function.Function;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.IntegerConvertOp;
@@ -53,20 +52,11 @@
 public abstract class IntegerConvertNode<OP, REV> extends UnaryNode implements ArithmeticOperation, ConvertNode, ArithmeticLIRLowerable, StampInverter {
     @SuppressWarnings("rawtypes") public static final NodeClass<IntegerConvertNode> TYPE = NodeClass.create(IntegerConvertNode.class);
 
-    protected final SerializableIntegerConvertFunction<OP> getOp;
-    protected final SerializableIntegerConvertFunction<REV> getReverseOp;
-
     protected final int inputBits;
     protected final int resultBits;
 
-    protected interface SerializableIntegerConvertFunction<T> extends Function<ArithmeticOpTable, IntegerConvertOp<T>>, Serializable {
-    }
-
-    protected IntegerConvertNode(NodeClass<? extends IntegerConvertNode<OP, REV>> c, SerializableIntegerConvertFunction<OP> getOp, SerializableIntegerConvertFunction<REV> getReverseOp, int inputBits,
-                    int resultBits, ValueNode input) {
-        super(c, getOp.apply(ArithmeticOpTable.forStamp(input.stamp(NodeView.DEFAULT))).foldStamp(inputBits, resultBits, input.stamp(NodeView.DEFAULT)), input);
-        this.getOp = getOp;
-        this.getReverseOp = getReverseOp;
+    protected IntegerConvertNode(NodeClass<? extends IntegerConvertNode<OP, REV>> c, IntegerConvertOp<OP> opForStampComputation, int inputBits, int resultBits, ValueNode input) {
+        super(c, opForStampComputation.foldStamp(inputBits, resultBits, input.stamp(NodeView.DEFAULT)), input);
         this.inputBits = inputBits;
         this.resultBits = resultBits;
         assert PrimitiveStamp.getBits(input.stamp(NodeView.DEFAULT)) == 0 || PrimitiveStamp.getBits(input.stamp(NodeView.DEFAULT)) == inputBits;
@@ -80,13 +70,13 @@
         return resultBits;
     }
 
-    protected final IntegerConvertOp<OP> getOp(ValueNode forValue) {
-        return getOp.apply(ArithmeticOpTable.forStamp(forValue.stamp(NodeView.DEFAULT)));
-    }
+    protected abstract IntegerConvertOp<OP> getOp(ArithmeticOpTable table);
+
+    protected abstract IntegerConvertOp<REV> getReverseOp(ArithmeticOpTable table);
 
     @Override
     public final IntegerConvertOp<OP> getArithmeticOp() {
-        return getOp(getValue());
+        return getOp(getArithmeticOpTable(getValue()));
     }
 
     @Override
@@ -96,7 +86,7 @@
 
     @Override
     public Constant reverse(Constant c, ConstantReflectionProvider constantReflection) {
-        IntegerConvertOp<REV> reverse = getReverseOp.apply(ArithmeticOpTable.forStamp(stamp(NodeView.DEFAULT)));
+        IntegerConvertOp<REV> reverse = getReverseOp(ArithmeticOpTable.forStamp(stamp(NodeView.DEFAULT)));
         return reverse.foldConstant(getResultBits(), getInputBits(), c);
     }
 
@@ -108,7 +98,7 @@
 
     @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) {
-        ValueNode synonym = findSynonym(getOp(forValue), forValue, inputBits, resultBits, stamp(NodeView.DEFAULT));
+        ValueNode synonym = findSynonym(getOp(getArithmeticOpTable(forValue)), forValue, inputBits, resultBits, stamp(NodeView.DEFAULT));
         if (synonym != null) {
             return synonym;
         }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/IntegerMulHighNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/IntegerMulHighNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -28,6 +28,7 @@
 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_2;
 
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.BinaryOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.BinaryOp.MulHigh;
 import org.graalvm.compiler.graph.NodeClass;
 import org.graalvm.compiler.graph.spi.Canonicalizable;
@@ -48,7 +49,12 @@
     public static final NodeClass<IntegerMulHighNode> TYPE = NodeClass.create(IntegerMulHighNode.class);
 
     public IntegerMulHighNode(ValueNode x, ValueNode y) {
-        super(TYPE, ArithmeticOpTable::getMulHigh, x, y);
+        super(TYPE, getArithmeticOpTable(x).getMulHigh(), x, y);
+    }
+
+    @Override
+    protected BinaryOp<MulHigh> getOp(ArithmeticOpTable table) {
+        return table.getMulHigh();
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/LeftShiftNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/LeftShiftNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,7 +24,10 @@
 
 package org.graalvm.compiler.nodes.calc;
 
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
+
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.ShiftOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.ShiftOp.Shl;
 import org.graalvm.compiler.core.common.type.IntegerStamp;
 import org.graalvm.compiler.core.common.type.Stamp;
@@ -45,7 +48,7 @@
     public static final NodeClass<LeftShiftNode> TYPE = NodeClass.create(LeftShiftNode.class);
 
     public LeftShiftNode(ValueNode x, ValueNode y) {
-        super(TYPE, ArithmeticOpTable::getShl, x, y);
+        super(TYPE, getArithmeticOpTable(x).getShl(), x, y);
     }
 
     public static ValueNode create(ValueNode x, ValueNode y, NodeView view) {
@@ -60,6 +63,11 @@
     }
 
     @Override
+    protected ShiftOp<Shl> getOp(ArithmeticOpTable table) {
+        return table.getShl();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
         ValueNode ret = super.canonical(tool, forX, forY);
         if (ret != this) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/MulNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/MulNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,9 +27,9 @@
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2;
 
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
-import org.graalvm.compiler.core.common.type.IntegerStamp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.BinaryOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.BinaryOp.Mul;
+import org.graalvm.compiler.core.common.type.IntegerStamp;
 import org.graalvm.compiler.core.common.type.Stamp;
 import org.graalvm.compiler.graph.NodeClass;
 import org.graalvm.compiler.graph.spi.Canonicalizable.BinaryCommutative;
@@ -56,7 +56,7 @@
     }
 
     protected MulNode(NodeClass<? extends MulNode> c, ValueNode x, ValueNode y) {
-        super(c, ArithmeticOpTable::getMul, x, y);
+        super(c, getArithmeticOpTable(x).getMul(), x, y);
     }
 
     public static ValueNode create(ValueNode x, ValueNode y, NodeView view) {
@@ -70,6 +70,11 @@
     }
 
     @Override
+    protected BinaryOp<Mul> getOp(ArithmeticOpTable table) {
+        return table.getMul();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
         ValueNode ret = super.canonical(tool, forX, forY);
         if (ret != this) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/NarrowNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/NarrowNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -25,6 +25,7 @@
 package org.graalvm.compiler.nodes.calc;
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
 import org.graalvm.compiler.core.common.calc.CanonicalCondition;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
@@ -58,7 +59,7 @@
     }
 
     public NarrowNode(ValueNode input, int inputBits, int resultBits) {
-        super(TYPE, ArithmeticOpTable::getNarrow, ArithmeticOpTable::getSignExtend, inputBits, resultBits, input);
+        super(TYPE, getArithmeticOpTable(input).getNarrow(), inputBits, resultBits, input);
     }
 
     public static ValueNode create(ValueNode input, int resultBits, NodeView view) {
@@ -76,6 +77,16 @@
     }
 
     @Override
+    protected IntegerConvertOp<Narrow> getOp(ArithmeticOpTable table) {
+        return table.getNarrow();
+    }
+
+    @Override
+    protected IntegerConvertOp<SignExtend> getReverseOp(ArithmeticOpTable table) {
+        return table.getSignExtend();
+    }
+
+    @Override
     public boolean isLossless() {
         return checkLossless(this.getResultBits());
     }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/NegateNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/NegateNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,8 +26,10 @@
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2;
 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp.Neg;
 import org.graalvm.compiler.core.common.type.FloatStamp;
 import org.graalvm.compiler.core.common.type.Stamp;
@@ -49,7 +51,7 @@
     public static final NodeClass<NegateNode> TYPE = NodeClass.create(NegateNode.class);
 
     public NegateNode(ValueNode value) {
-        super(TYPE, ArithmeticOpTable::getNeg, value);
+        super(TYPE, getArithmeticOpTable(value).getNeg(), value);
     }
 
     public static ValueNode create(ValueNode value, NodeView view) {
@@ -61,6 +63,11 @@
     }
 
     @Override
+    protected UnaryOp<Neg> getOp(ArithmeticOpTable table) {
+        return table.getNeg();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) {
         ValueNode synonym = findSynonym(forValue, getOp(forValue));
         if (synonym != null) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/NotNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/NotNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,8 +26,10 @@
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1;
 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp.Not;
 import org.graalvm.compiler.core.common.type.Stamp;
 import org.graalvm.compiler.graph.NodeClass;
@@ -48,7 +50,7 @@
     public static final NodeClass<NotNode> TYPE = NodeClass.create(NotNode.class);
 
     protected NotNode(ValueNode x) {
-        super(TYPE, ArithmeticOpTable::getNot, x);
+        super(TYPE, getArithmeticOpTable(x).getNot(), x);
     }
 
     public static ValueNode create(ValueNode x) {
@@ -56,6 +58,11 @@
     }
 
     @Override
+    protected UnaryOp<Not> getOp(ArithmeticOpTable table) {
+        return table.getNot();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) {
         ValueNode ret = super.canonical(tool, forValue);
         if (ret != this) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/ObjectEqualsNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/ObjectEqualsNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -39,10 +39,13 @@
 import org.graalvm.compiler.nodes.NodeView;
 import org.graalvm.compiler.nodes.StructuredGraph;
 import org.graalvm.compiler.nodes.ValueNode;
+import org.graalvm.compiler.nodes.extended.BoxNode;
 import org.graalvm.compiler.nodes.extended.GetClassNode;
+import org.graalvm.compiler.nodes.java.AbstractNewObjectNode;
 import org.graalvm.compiler.nodes.java.InstanceOfNode;
 import org.graalvm.compiler.nodes.spi.Virtualizable;
 import org.graalvm.compiler.nodes.spi.VirtualizerTool;
+import org.graalvm.compiler.nodes.virtual.AllocatedObjectNode;
 import org.graalvm.compiler.nodes.virtual.VirtualBoxingNode;
 import org.graalvm.compiler.nodes.virtual.VirtualObjectNode;
 import org.graalvm.compiler.options.OptionValues;
@@ -112,6 +115,11 @@
                 }
                 return LogicConstantNode.forBoolean(false);
             }
+            if (nonConstant instanceof AbstractNewObjectNode || nonConstant instanceof AllocatedObjectNode) {
+                assert !(nonConstant instanceof BoxNode); // guard against class hierarchy changes
+                // a constant can never be equals to a new object
+                return LogicConstantNode.forBoolean(false);
+            }
             return super.canonicalizeSymmetricConstant(constantReflection, metaAccess, options, smallestCompareWidth, condition, constant, nonConstant, mirrored, unorderedIsTrue, view);
         }
 
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/OrNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/OrNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,7 +50,7 @@
     public static final NodeClass<OrNode> TYPE = NodeClass.create(OrNode.class);
 
     public OrNode(ValueNode x, ValueNode y) {
-        super(TYPE, ArithmeticOpTable::getOr, x, y);
+        super(TYPE, getArithmeticOpTable(x).getOr(), x, y);
     }
 
     public static ValueNode create(ValueNode x, ValueNode y, NodeView view) {
@@ -64,6 +64,11 @@
     }
 
     @Override
+    protected BinaryOp<Or> getOp(ArithmeticOpTable table) {
+        return table.getOr();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
         NodeView view = NodeView.from(tool);
         ValueNode ret = super.canonical(tool, forX, forY);
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/RemNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/RemNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,7 +50,7 @@
     }
 
     protected RemNode(NodeClass<? extends RemNode> c, ValueNode x, ValueNode y) {
-        super(c, ArithmeticOpTable::getRem, x, y);
+        super(c, getArithmeticOpTable(x).getRem(), x, y);
     }
 
     public static ValueNode create(ValueNode forX, ValueNode forY, NodeView view) {
@@ -64,6 +64,11 @@
     }
 
     @Override
+    protected BinaryOp<Rem> getOp(ArithmeticOpTable table) {
+        return table.getRem();
+    }
+
+    @Override
     public void lower(LoweringTool tool) {
         tool.getLowerer().lower(this, tool);
     }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/RightShiftNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/RightShiftNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,7 +24,10 @@
 
 package org.graalvm.compiler.nodes.calc;
 
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
+
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.ShiftOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.ShiftOp.Shr;
 import org.graalvm.compiler.core.common.type.IntegerStamp;
 import org.graalvm.compiler.core.common.type.Stamp;
@@ -45,7 +48,7 @@
     public static final NodeClass<RightShiftNode> TYPE = NodeClass.create(RightShiftNode.class);
 
     public RightShiftNode(ValueNode x, ValueNode y) {
-        super(TYPE, ArithmeticOpTable::getShr, x, y);
+        super(TYPE, getArithmeticOpTable(x).getShr(), x, y);
     }
 
     public static ValueNode create(ValueNode x, int y, NodeView view) {
@@ -67,6 +70,11 @@
     }
 
     @Override
+    protected ShiftOp<Shr> getOp(ArithmeticOpTable table) {
+        return table.getShr();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
         NodeView view = NodeView.from(tool);
         ValueNode ret = super.canonical(tool, forX, forY);
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/ShiftNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/ShiftNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,9 +26,7 @@
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1;
 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
-
-import java.io.Serializable;
-import java.util.function.Function;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.ShiftOp;
@@ -55,25 +53,21 @@
 
     @SuppressWarnings("rawtypes") public static final NodeClass<ShiftNode> TYPE = NodeClass.create(ShiftNode.class);
 
-    protected interface SerializableShiftFunction<T> extends Function<ArithmeticOpTable, ShiftOp<T>>, Serializable {
-    }
-
-    protected final SerializableShiftFunction<OP> getOp;
-
     /**
      * Creates a new shift operation.
      *
      * @param x the first input value
      * @param s the second input value
      */
-    protected ShiftNode(NodeClass<? extends ShiftNode<OP>> c, SerializableShiftFunction<OP> getOp, ValueNode x, ValueNode s) {
-        super(c, getOp.apply(ArithmeticOpTable.forStamp(x.stamp(NodeView.DEFAULT))).foldStamp(x.stamp(NodeView.DEFAULT), (IntegerStamp) s.stamp(NodeView.DEFAULT)), x, s);
+    protected ShiftNode(NodeClass<? extends ShiftNode<OP>> c, ShiftOp<OP> opForStampComputation, ValueNode x, ValueNode s) {
+        super(c, opForStampComputation.foldStamp(x.stamp(NodeView.DEFAULT), (IntegerStamp) s.stamp(NodeView.DEFAULT)), x, s);
         assert ((IntegerStamp) s.stamp(NodeView.DEFAULT)).getBits() == 32;
-        this.getOp = getOp;
     }
 
+    protected abstract ShiftOp<OP> getOp(ArithmeticOpTable table);
+
     protected final ShiftOp<OP> getOp(ValueNode forValue) {
-        return getOp.apply(ArithmeticOpTable.forStamp(forValue.stamp(NodeView.DEFAULT)));
+        return getOp(getArithmeticOpTable(forValue));
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/SignExtendNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/SignExtendNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,8 +25,8 @@
 package org.graalvm.compiler.nodes.calc;
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
-import jdk.vm.ci.code.CodeUtil;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.IntegerConvertOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.IntegerConvertOp.Narrow;
@@ -42,6 +42,8 @@
 import org.graalvm.compiler.nodes.ValueNode;
 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
 
+import jdk.vm.ci.code.CodeUtil;
+
 /**
  * The {@code SignExtendNode} converts an integer to a wider integer using sign extension.
  */
@@ -56,7 +58,7 @@
     }
 
     public SignExtendNode(ValueNode input, int inputBits, int resultBits) {
-        super(TYPE, ArithmeticOpTable::getSignExtend, ArithmeticOpTable::getNarrow, inputBits, resultBits, input);
+        super(TYPE, getArithmeticOpTable(input).getSignExtend(), inputBits, resultBits, input);
     }
 
     public static ValueNode create(ValueNode input, int resultBits, NodeView view) {
@@ -73,6 +75,16 @@
     }
 
     @Override
+    protected IntegerConvertOp<SignExtend> getOp(ArithmeticOpTable table) {
+        return table.getSignExtend();
+    }
+
+    @Override
+    protected IntegerConvertOp<Narrow> getReverseOp(ArithmeticOpTable table) {
+        return table.getNarrow();
+    }
+
+    @Override
     public boolean isLossless() {
         return true;
     }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/SqrtNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/SqrtNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,8 +26,10 @@
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_16;
 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp.Sqrt;
 import org.graalvm.compiler.graph.NodeClass;
 import org.graalvm.compiler.lir.gen.ArithmeticLIRGeneratorTool;
@@ -47,7 +49,7 @@
     public static final NodeClass<SqrtNode> TYPE = NodeClass.create(SqrtNode.class);
 
     protected SqrtNode(ValueNode x) {
-        super(TYPE, ArithmeticOpTable::getSqrt, x);
+        super(TYPE, getArithmeticOpTable(x).getSqrt(), x);
     }
 
     public static ValueNode create(ValueNode x, NodeView view) {
@@ -59,6 +61,11 @@
     }
 
     @Override
+    protected UnaryOp<Sqrt> getOp(ArithmeticOpTable table) {
+        return table.getSqrt();
+    }
+
+    @Override
     public void generate(NodeLIRBuilderTool nodeValueMap, ArithmeticLIRGeneratorTool gen) {
         nodeValueMap.setResult(this, gen.emitMathSqrt(nodeValueMap.operand(getValue())));
     }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/SubNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/SubNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -53,7 +53,7 @@
     }
 
     protected SubNode(NodeClass<? extends SubNode> c, ValueNode x, ValueNode y) {
-        super(c, ArithmeticOpTable::getSub, x, y);
+        super(c, getArithmeticOpTable(x).getSub(), x, y);
     }
 
     public static ValueNode create(ValueNode x, ValueNode y, NodeView view) {
@@ -66,6 +66,11 @@
         return canonical(null, op, stamp, x, y, view);
     }
 
+    @Override
+    protected BinaryOp<Sub> getOp(ArithmeticOpTable table) {
+        return table.getSub();
+    }
+
     private static ValueNode canonical(SubNode subNode, BinaryOp<Sub> op, Stamp stamp, ValueNode forX, ValueNode forY, NodeView view) {
         SubNode self = subNode;
         if (GraphUtil.unproxify(forX) == GraphUtil.unproxify(forY)) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/UnaryArithmeticNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/UnaryArithmeticNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,8 +24,7 @@
 
 package org.graalvm.compiler.nodes.calc;
 
-import java.io.Serializable;
-import java.util.function.Function;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp;
@@ -44,18 +43,14 @@
 
     @SuppressWarnings("rawtypes") public static final NodeClass<UnaryArithmeticNode> TYPE = NodeClass.create(UnaryArithmeticNode.class);
 
-    protected interface SerializableUnaryFunction<T> extends Function<ArithmeticOpTable, UnaryOp<T>>, Serializable {
+    protected UnaryArithmeticNode(NodeClass<? extends UnaryArithmeticNode<OP>> c, UnaryOp<OP> opForStampComputation, ValueNode value) {
+        super(c, opForStampComputation.foldStamp(value.stamp(NodeView.DEFAULT)), value);
     }
 
-    protected final SerializableUnaryFunction<OP> getOp;
-
-    protected UnaryArithmeticNode(NodeClass<? extends UnaryArithmeticNode<OP>> c, SerializableUnaryFunction<OP> getOp, ValueNode value) {
-        super(c, getOp.apply(ArithmeticOpTable.forStamp(value.stamp(NodeView.DEFAULT))).foldStamp(value.stamp(NodeView.DEFAULT)), value);
-        this.getOp = getOp;
-    }
+    protected abstract UnaryOp<OP> getOp(ArithmeticOpTable table);
 
     protected final UnaryOp<OP> getOp(ValueNode forValue) {
-        return getOp.apply(ArithmeticOpTable.forStamp(forValue.stamp(NodeView.DEFAULT)));
+        return getOp(getArithmeticOpTable(forValue));
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/UnsignedRightShiftNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/UnsignedRightShiftNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -24,8 +24,10 @@
 
 package org.graalvm.compiler.nodes.calc;
 
-import jdk.vm.ci.code.CodeUtil;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
+
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.ShiftOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.ShiftOp.UShr;
 import org.graalvm.compiler.core.common.type.IntegerStamp;
 import org.graalvm.compiler.core.common.type.Stamp;
@@ -38,6 +40,7 @@
 import org.graalvm.compiler.nodes.ValueNode;
 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
 
+import jdk.vm.ci.code.CodeUtil;
 import jdk.vm.ci.meta.JavaKind;
 
 @NodeInfo(shortName = ">>>")
@@ -46,7 +49,7 @@
     public static final NodeClass<UnsignedRightShiftNode> TYPE = NodeClass.create(UnsignedRightShiftNode.class);
 
     public UnsignedRightShiftNode(ValueNode x, ValueNode y) {
-        super(TYPE, ArithmeticOpTable::getUShr, x, y);
+        super(TYPE, getArithmeticOpTable(x).getUShr(), x, y);
     }
 
     public static ValueNode create(ValueNode x, ValueNode y, NodeView view) {
@@ -61,6 +64,11 @@
     }
 
     @Override
+    protected ShiftOp<UShr> getOp(ArithmeticOpTable table) {
+        return table.getUShr();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
         NodeView view = NodeView.from(tool);
         ValueNode ret = super.canonical(tool, forX, forY);
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/XorNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/XorNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,7 +50,7 @@
     public static final NodeClass<XorNode> TYPE = NodeClass.create(XorNode.class);
 
     public XorNode(ValueNode x, ValueNode y) {
-        super(TYPE, ArithmeticOpTable::getXor, x, y);
+        super(TYPE, getArithmeticOpTable(x).getXor(), x, y);
         assert x.stamp(NodeView.DEFAULT).isCompatible(y.stamp(NodeView.DEFAULT));
     }
 
@@ -65,6 +65,11 @@
     }
 
     @Override
+    protected BinaryOp<Xor> getOp(ArithmeticOpTable table) {
+        return table.getXor();
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forX, ValueNode forY) {
         ValueNode ret = super.canonical(tool, forX, forY);
         if (ret != this) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/ZeroExtendNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/ZeroExtendNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,7 @@
 package org.graalvm.compiler.nodes.calc;
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
 import org.graalvm.compiler.core.common.calc.CanonicalCondition;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
@@ -60,7 +61,7 @@
     }
 
     public ZeroExtendNode(ValueNode input, int inputBits, int resultBits, boolean inputAlwaysPositive) {
-        super(TYPE, ArithmeticOpTable::getZeroExtend, ArithmeticOpTable::getNarrow, inputBits, resultBits, input);
+        super(TYPE, getArithmeticOpTable(input).getZeroExtend(), inputBits, resultBits, input);
         this.inputAlwaysPositive = inputAlwaysPositive;
     }
 
@@ -82,6 +83,16 @@
     }
 
     @Override
+    protected IntegerConvertOp<ZeroExtend> getOp(ArithmeticOpTable table) {
+        return table.getZeroExtend();
+    }
+
+    @Override
+    protected IntegerConvertOp<Narrow> getReverseOp(ArithmeticOpTable table) {
+        return table.getNarrow();
+    }
+
+    @Override
     public boolean isLossless() {
         return true;
     }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/extended/IntegerSwitchNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/extended/IntegerSwitchNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -429,11 +429,14 @@
         }
 
         /*
-         * Collect dead successors. Successors have to be cleaned before adding the new node to the
-         * graph.
+         * Surviving successors have to be cleaned before adding the new node to the graph. Keep the
+         * dead ones attached to the old node for later cleanup.
          */
-        List<AbstractBeginNode> deadSuccessors = successors.filter(s -> !newSuccessors.contains(s)).snapshot();
-        successors.clear();
+        for (int i = 0; i < successors.size(); i++) {
+            if (newSuccessors.contains(successors.get(i))) {
+                successors.set(i, null);
+            }
+        }
 
         /*
          * Create the new switch node. This is done before removing dead successors as `killCFG`
@@ -443,14 +446,11 @@
         AbstractBeginNode[] successorsArray = newSuccessors.toArray(new AbstractBeginNode[newSuccessors.size()]);
         SwitchNode newSwitch = graph().add(new IntegerSwitchNode(newValue, successorsArray, newKeys, newKeyProbabilities, newKeySuccessors));
 
-        /* Remove dead successors. */
-        for (AbstractBeginNode successor : deadSuccessors) {
-            GraphUtil.killCFG(successor);
-        }
-
         /* Replace ourselves with the new switch */
         ((FixedWithNextNode) predecessor()).setNext(newSwitch);
-        GraphUtil.killWithUnusedFloatingInputs(this);
+
+        // Remove the old switch and the dead successors.
+        GraphUtil.killCFG(this);
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/spi/LoweringProvider.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/spi/LoweringProvider.java	Wed Oct 16 15:31:05 2019 +0200
@@ -53,8 +53,7 @@
     Integer smallestCompareWidth();
 
     /**
-     * Returns the granularity in terms of bytes that this target platform's bulk zeroing supports.
-     * Returns 0 to indicate that this target platform does not support bulk zeroing instruction.
+     * Indicates whether this target platform supports bulk zeroing of arbitrary size.
      */
-    int bulkZeroingStride();
+    boolean supportsBulkZeroing();
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/util/GraphUtil.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/util/GraphUtil.java	Wed Oct 16 15:31:05 2019 +0200
@@ -742,19 +742,22 @@
 
     /**
      * Tries to find an original value of the given node by traversing through proxies and
-     * unambiguous phis. Note that this method will perform an exhaustive search through phis. It is
-     * intended to be used during graph building, when phi nodes aren't yet canonicalized.
+     * unambiguous phis. Note that this method will perform an exhaustive search through phis.
      *
-     * @param value The node whose original value should be determined.
-     * @return The original value (which might be the input value itself).
+     * @param value the node whose original value should be determined
+     * @param abortOnLoopPhi specifies if the traversal through phis should stop and return
+     *            {@code value} if it hits a {@linkplain PhiNode#isLoopPhi loop phi}. This argument
+     *            must be {@code true} if used during graph building as loop phi nodes may not yet
+     *            have all their inputs computed.
+     * @return the original value (which might be {@code value} itself)
      */
-    public static ValueNode originalValue(ValueNode value) {
-        ValueNode result = originalValueSimple(value);
+    public static ValueNode originalValue(ValueNode value, boolean abortOnLoopPhi) {
+        ValueNode result = originalValueSimple(value, abortOnLoopPhi);
         assert result != null;
         return result;
     }
 
-    private static ValueNode originalValueSimple(ValueNode value) {
+    private static ValueNode originalValueSimple(ValueNode value, boolean abortOnLoopPhi) {
         /* The very simple case: look through proxies. */
         ValueNode cur = originalValueForProxy(value);
 
@@ -765,6 +768,10 @@
              */
             PhiNode phi = (PhiNode) cur;
 
+            if (abortOnLoopPhi && phi.isLoopPhi()) {
+                return value;
+            }
+
             ValueNode phiSingleValue = null;
             int count = phi.valueCount();
             for (int i = 0; i < count; ++i) {
@@ -783,7 +790,7 @@
                          * of the inputs is another phi function. We need to do a complicated
                          * exhaustive check.
                          */
-                        return originalValueForComplicatedPhi(phi, new NodeBitMap(value.graph()));
+                        return originalValueForComplicatedPhi(value, phi, new NodeBitMap(value.graph()), abortOnLoopPhi);
                     } else {
                         /*
                          * We have two different input values for the phi function, but none of them
@@ -819,8 +826,12 @@
     /**
      * Handling for complicated nestings of phi functions. We need to reduce phi functions
      * recursively, and need a temporary map of visited nodes to avoid endless recursion of cycles.
+     *
+     * @param value the node whose original value is being determined
+     * @param abortOnLoopPhi specifies if the traversal through phis should stop and return
+     *            {@code value} if it hits a {@linkplain PhiNode#isLoopPhi loop phi}
      */
-    private static ValueNode originalValueForComplicatedPhi(PhiNode phi, NodeBitMap visited) {
+    private static ValueNode originalValueForComplicatedPhi(ValueNode value, PhiNode phi, NodeBitMap visited, boolean abortOnLoopPhi) {
         if (visited.isMarked(phi)) {
             /*
              * Found a phi function that was already seen. Either a cycle, or just a second phi
@@ -836,7 +847,16 @@
             ValueNode phiCurValue = originalValueForProxy(phi.valueAt(i));
             if (phiCurValue instanceof PhiNode) {
                 /* Recursively process a phi function input. */
-                phiCurValue = originalValueForComplicatedPhi((PhiNode) phiCurValue, visited);
+                PhiNode curPhi = (PhiNode) phiCurValue;
+                if (abortOnLoopPhi && curPhi.isLoopPhi()) {
+                    return value;
+                }
+                phiCurValue = originalValueForComplicatedPhi(value, curPhi, visited, abortOnLoopPhi);
+                if (phiCurValue == value) {
+                    // Hit a loop phi
+                    assert abortOnLoopPhi;
+                    return value;
+                }
             }
 
             if (phiCurValue == null) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.aarch64/src/org/graalvm/compiler/replacements/aarch64/AArch64GraphBuilderPlugins.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.aarch64/src/org/graalvm/compiler/replacements/aarch64/AArch64GraphBuilderPlugins.java	Wed Oct 16 15:31:05 2019 +0200
@@ -47,6 +47,7 @@
 import org.graalvm.compiler.nodes.memory.address.OffsetAddressNode;
 import org.graalvm.compiler.replacements.TargetGraphBuilderPlugins;
 import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode;
+import org.graalvm.compiler.replacements.nodes.FusedMultiplyAddNode;
 import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode;
 import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation;
 import org.graalvm.compiler.serviceprovider.JavaVersionUtil;
@@ -61,16 +62,11 @@
     @Override
     public void register(Plugins plugins, BytecodeProvider replacementsBytecodeProvider, Architecture arch, boolean explicitUnsafeNullChecks, boolean registerMathPlugins,
                     boolean emitJDK9StringSubstitutions, boolean useFMAIntrinsics) {
-        register(plugins, replacementsBytecodeProvider, explicitUnsafeNullChecks, registerMathPlugins, emitJDK9StringSubstitutions);
+        register(plugins, replacementsBytecodeProvider, explicitUnsafeNullChecks, registerMathPlugins, emitJDK9StringSubstitutions, useFMAIntrinsics);
     }
 
     public static void register(Plugins plugins, BytecodeProvider bytecodeProvider, boolean explicitUnsafeNullChecks,
-                    boolean registerMathPlugins) {
-        register(plugins, bytecodeProvider, explicitUnsafeNullChecks, registerMathPlugins, true);
-    }
-
-    public static void register(Plugins plugins, BytecodeProvider bytecodeProvider, boolean explicitUnsafeNullChecks,
-                    boolean registerMathPlugins, boolean emitJDK9StringSubstitutions) {
+                    boolean registerMathPlugins, boolean emitJDK9StringSubstitutions, boolean useFMAIntrinsics) {
         InvocationPlugins invocationPlugins = plugins.getInvocationPlugins();
         invocationPlugins.defer(new Runnable() {
             @Override
@@ -78,7 +74,7 @@
                 registerIntegerLongPlugins(invocationPlugins, JavaKind.Int, bytecodeProvider);
                 registerIntegerLongPlugins(invocationPlugins, JavaKind.Long, bytecodeProvider);
                 if (registerMathPlugins) {
-                    registerMathPlugins(invocationPlugins);
+                    registerMathPlugins(invocationPlugins, useFMAIntrinsics);
                 }
                 if (emitJDK9StringSubstitutions) {
                     registerStringLatin1Plugins(invocationPlugins, bytecodeProvider);
@@ -130,7 +126,7 @@
         });
     }
 
-    private static void registerMathPlugins(InvocationPlugins plugins) {
+    private static void registerMathPlugins(InvocationPlugins plugins, boolean useFMAIntrinsics) {
         Registration r = new Registration(plugins, Math.class);
         registerUnaryMath(r, "sin", SIN);
         registerUnaryMath(r, "cos", COS);
@@ -148,6 +144,36 @@
         registerRound(r, "rint", RoundingMode.NEAREST);
         registerRound(r, "ceil", RoundingMode.UP);
         registerRound(r, "floor", RoundingMode.DOWN);
+        if (useFMAIntrinsics && JavaVersionUtil.JAVA_SPEC > 8) {
+            registerFMA(r);
+        }
+    }
+
+    private static void registerFMA(Registration r) {
+        r.register3("fma", Double.TYPE, Double.TYPE, Double.TYPE, new InvocationPlugin() {
+            @Override
+            public boolean apply(GraphBuilderContext b,
+                            ResolvedJavaMethod targetMethod,
+                            Receiver receiver,
+                            ValueNode na,
+                            ValueNode nb,
+                            ValueNode nc) {
+                b.push(JavaKind.Double, b.append(new FusedMultiplyAddNode(na, nb, nc)));
+                return true;
+            }
+        });
+        r.register3("fma", Float.TYPE, Float.TYPE, Float.TYPE, new InvocationPlugin() {
+            @Override
+            public boolean apply(GraphBuilderContext b,
+                            ResolvedJavaMethod targetMethod,
+                            Receiver receiver,
+                            ValueNode na,
+                            ValueNode nb,
+                            ValueNode nc) {
+                b.push(JavaKind.Float, b.append(new FusedMultiplyAddNode(na, nb, nc)));
+                return true;
+            }
+        });
     }
 
     private static void registerUnaryMath(Registration r, String name, UnaryOperation operation) {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.amd64/src/org/graalvm/compiler/replacements/amd64/AMD64FloatConvertNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.amd64/src/org/graalvm/compiler/replacements/amd64/AMD64FloatConvertNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,10 +26,12 @@
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_8;
 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
+import static org.graalvm.compiler.nodes.calc.BinaryArithmeticNode.getArithmeticOpTable;
 
-import jdk.vm.ci.meta.JavaConstant;
 import org.graalvm.compiler.core.common.calc.FloatConvert;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.FloatConvertOp;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.UnaryOp;
 import org.graalvm.compiler.core.common.type.IntegerStamp;
 import org.graalvm.compiler.core.common.type.Stamp;
 import org.graalvm.compiler.core.common.type.StampFactory;
@@ -43,6 +45,8 @@
 import org.graalvm.compiler.nodes.spi.ArithmeticLIRLowerable;
 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
 
+import jdk.vm.ci.meta.JavaConstant;
+
 /**
  * This node has the semantics of the AMD64 floating point conversions. It is used in the lowering
  * of the {@link FloatConvertNode} which, on AMD64 needs a {@link AMD64FloatConvertNode} plus some
@@ -58,12 +62,17 @@
     protected final FloatConvert op;
 
     public AMD64FloatConvertNode(FloatConvert op, ValueNode value) {
-        super(TYPE, table -> table.getFloatConvert(op), value);
+        super(TYPE, getArithmeticOpTable(value).getFloatConvert(op), value);
         this.op = op;
         this.stamp = this.stamp.meet(createInexactCaseStamp());
     }
 
     @Override
+    protected UnaryOp<FloatConvertOp> getOp(ArithmeticOpTable table) {
+        return table.getFloatConvert(op);
+    }
+
+    @Override
     public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) {
         // nothing to do
         return this;
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/classfile/ClassfileBytecodeProviderTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/classfile/ClassfileBytecodeProviderTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -87,13 +87,6 @@
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
-import org.graalvm.compiler.test.ModuleSupport;
-import org.graalvm.compiler.test.SubprocessUtil;
-import org.junit.Assert;
-import org.junit.Assume;
-import org.junit.Before;
-import org.junit.Test;
-
 import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
 import org.graalvm.compiler.api.test.Graal;
 import org.graalvm.compiler.bytecode.Bytecode;
@@ -111,6 +104,12 @@
 import org.graalvm.compiler.replacements.classfile.ClassfileBytecodeProvider;
 import org.graalvm.compiler.runtime.RuntimeProvider;
 import org.graalvm.compiler.serviceprovider.JavaVersionUtil;
+import org.graalvm.compiler.test.ModuleSupport;
+import org.graalvm.compiler.test.SubprocessUtil;
+import org.junit.Assert;
+import org.junit.Assume;
+import org.junit.Before;
+import org.junit.Test;
 
 import jdk.vm.ci.meta.ConstantPool;
 import jdk.vm.ci.meta.JavaField;
@@ -209,6 +208,17 @@
                                     }
                                     try {
                                         checkClass(metaAccess, getSnippetReflection(), className);
+                                    } catch (UnsupportedClassVersionError e) {
+                                        // graal-test.jar can contain classes compiled for different
+                                        // Java versions
+                                    } catch (NoClassDefFoundError e) {
+                                        if (!e.getMessage().contains("Could not initialize class")) {
+                                            throw e;
+                                        } else {
+                                            // A second or later attempt to initialize a class
+                                            // results in this confusing error where the
+                                            // original cause of initialization failure is lost
+                                        }
                                     } catch (ClassNotFoundException e) {
                                         throw new AssertionError(e);
                                     }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/StandardGraphBuilderPlugins.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/StandardGraphBuilderPlugins.java	Wed Oct 16 15:31:05 2019 +0200
@@ -835,7 +835,7 @@
             @Override
             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
                 ValueNode object = receiver.get();
-                ValueNode folded = GetClassNode.tryFold(b.getMetaAccess(), b.getConstantReflection(), NodeView.DEFAULT, GraphUtil.originalValue(object));
+                ValueNode folded = GetClassNode.tryFold(b.getMetaAccess(), b.getConstantReflection(), NodeView.DEFAULT, GraphUtil.originalValue(object, true));
                 if (folded != null) {
                     b.addPush(JavaKind.Object, folded);
                 } else {
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/nodes/ZeroMemoryNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/nodes/ZeroMemoryNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -48,19 +48,21 @@
     public static final NodeClass<ZeroMemoryNode> TYPE = NodeClass.create(ZeroMemoryNode.class);
 
     @Input ValueNode length;
+    private final boolean isAligned;
 
-    public ZeroMemoryNode(ValueNode address, ValueNode length, LocationIdentity locationIdentity) {
-        this(OffsetAddressNode.create(address), length, locationIdentity, BarrierType.NONE);
+    public ZeroMemoryNode(ValueNode address, ValueNode length, boolean isAligned, LocationIdentity locationIdentity) {
+        this(OffsetAddressNode.create(address), length, isAligned, locationIdentity, BarrierType.NONE);
     }
 
-    public ZeroMemoryNode(AddressNode address, ValueNode length, LocationIdentity locationIdentity, BarrierType type) {
+    public ZeroMemoryNode(AddressNode address, ValueNode length, boolean isAligned, LocationIdentity locationIdentity, BarrierType type) {
         super(TYPE, address, locationIdentity, StampFactory.forVoid(), type);
         this.length = length;
+        this.isAligned = isAligned;
     }
 
     @Override
     public void generate(NodeLIRBuilderTool gen) {
-        gen.getLIRGeneratorTool().emitZeroMemory(gen.operand(getAddress()), gen.operand(length));
+        gen.getLIRGeneratorTool().emitZeroMemory(gen.operand(getAddress()), gen.operand(length), isAligned);
     }
 
     @Override
@@ -69,5 +71,5 @@
     }
 
     @NodeIntrinsic
-    public static native void zero(Word address, long length, @ConstantNodeParameter LocationIdentity locationIdentity);
+    public static native void zero(Word address, long length, @ConstantNodeParameter boolean isAligned, @ConstantNodeParameter LocationIdentity locationIdentity);
 }
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/nodes/arithmetic/UnsignedMulHighNode.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/nodes/arithmetic/UnsignedMulHighNode.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,6 +28,7 @@
 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_2;
 
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable;
+import org.graalvm.compiler.core.common.type.ArithmeticOpTable.BinaryOp;
 import org.graalvm.compiler.core.common.type.ArithmeticOpTable.BinaryOp.UMulHigh;
 import org.graalvm.compiler.graph.NodeClass;
 import org.graalvm.compiler.graph.spi.Canonicalizable;
@@ -49,7 +50,12 @@
     public static final NodeClass<UnsignedMulHighNode> TYPE = NodeClass.create(UnsignedMulHighNode.class);
 
     public UnsignedMulHighNode(ValueNode x, ValueNode y) {
-        super(TYPE, ArithmeticOpTable::getUMulHigh, x, y);
+        super(TYPE, getArithmeticOpTable(x).getUMulHigh(), x, y);
+    }
+
+    @Override
+    protected BinaryOp<UMulHigh> getOp(ArithmeticOpTable table) {
+        return table.getUMulHigh();
     }
 
     @Override
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.graphio/src/org/graalvm/graphio/DefaultGraphTypes.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.graphio/src/org/graalvm/graphio/DefaultGraphTypes.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,10 +30,17 @@
     private DefaultGraphTypes() {
     }
 
+    @SuppressWarnings("unchecked")
     @Override
     public Class<?> enumClass(Object enumValue) {
         if (enumValue instanceof Enum<?>) {
-            return enumValue.getClass();
+            // check that the enum class is not actually an anonymous subclass:
+            Class<? extends Enum<?>> enumClass = (Class<? extends Enum<?>>) enumValue.getClass();
+            Enum<?>[] constants = enumClass.getEnumConstants();
+            if (constants == null && enumClass.isAnonymousClass()) {
+                enumClass = (Class<? extends Enum<?>>) enumClass.getSuperclass();
+            }
+            return enumClass;
         }
         return null;
     }
--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/JavaScriptScanner.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/JavaScriptScanner.java	Wed Oct 16 15:31:05 2019 +0200
@@ -61,34 +61,8 @@
     public Void visitAttribute(AttributeTree tree, Consumer<DocTreePath> f) {
         String name = tree.getName().toString().toLowerCase(Locale.ENGLISH);
         switch (name) {
-            // See https://www.w3.org/TR/html-markup/global-attributes.html#common.attrs.event-handler
-            case "onabort":  case "onblur":  case "oncanplay":  case "oncanplaythrough":
-            case "onchange":  case "onclick":  case "oncontextmenu":  case "ondblclick":
-            case "ondrag":  case "ondragend":  case "ondragenter":  case "ondragleave":
-            case "ondragover":  case "ondragstart":  case "ondrop":  case "ondurationchange":
-            case "onemptied":  case "onended":  case "onerror":  case "onfocus":  case "oninput":
-            case "oninvalid":  case "onkeydown":  case "onkeypress":  case "onkeyup":
-            case "onload":  case "onloadeddata":  case "onloadedmetadata":  case "onloadstart":
-            case "onmousedown":  case "onmousemove":  case "onmouseout":  case "onmouseover":
-            case "onmouseup":  case "onmousewheel":  case "onpause":  case "onplay":
-            case "onplaying":  case "onprogress":  case "onratechange":  case "onreadystatechange":
-            case "onreset":  case "onscroll":  case "onseeked":  case "onseeking":
-            case "onselect":  case "onshow":  case "onstalled":  case "onsubmit":  case "onsuspend":
-            case "ontimeupdate":  case "onvolumechange":  case "onwaiting":
-
             // See https://www.w3.org/TR/html4/sgml/dtd.html
-            // Most of the attributes that take a %Script are also defined as event handlers
-            // in HTML 5. The one exception is onunload.
-            // case "onchange":  case "onclick":   case "ondblclick":  case "onfocus":
-            // case "onkeydown":  case "onkeypress":  case "onkeyup":  case "onload":
-            // case "onmousedown":  case "onmousemove":  case "onmouseout":  case "onmouseover":
-            // case "onmouseup":  case "onreset":  case "onselect":  case "onsubmit":
-            case "onunload":
-                f.accept(getCurrentPath());
-                break;
-
-            // See https://www.w3.org/TR/html4/sgml/dtd.html
-            //     https://www.w3.org/TR/html5/
+            //     https://www.w3.org/TR/html52/fullindex.html#attributes-table
             // These are all the attributes that take a %URI or a valid URL potentially surrounded
             // by spaces
             case "action":  case "cite":  case "classid":  case "codebase":  case "data":
@@ -102,6 +76,14 @@
                     }
                 }
                 break;
+            // See https://www.w3.org/TR/html52/webappapis.html#events-event-handlers
+            // An event handler has a name, which always starts with "on" and is followed by
+            // the name of the event for which it is intended.
+            default:
+                if (name.startsWith("on")) {
+                    f.accept(getCurrentPath());
+                }
+                break;
         }
         return super.visitAttribute(tree, f);
     }
--- a/src/jdk.jcmd/share/classes/sun/tools/common/ProcessArgumentMatcher.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.jcmd/share/classes/sun/tools/common/ProcessArgumentMatcher.java	Wed Oct 16 15:31:05 2019 +0200
@@ -140,18 +140,14 @@
         return vids;
     }
 
-    public Collection<VirtualMachineDescriptor> getVirtualMachineDescriptors(Class<?> excludeClass) {
+    public Collection<VirtualMachineDescriptor> getVirtualMachineDescriptors() {
         if (singlePid != null) {
             return getSingleVMD(singlePid);
         } else {
-            return getVMDs(excludeClass, matchClass);
+            return getVMDs(null, matchClass);
         }
     }
 
-    public Collection<VirtualMachineDescriptor> getVirtualMachineDescriptors() {
-        return this.getVirtualMachineDescriptors(null);
-    }
-
     public Collection<String> getVirtualMachinePids(Class<?> excludeClass) {
         if (singlePid != null) {
             // There is a bug in AttachProvider, when VM is debuggee-suspended it's not listed by the AttachProvider.
@@ -162,7 +158,4 @@
         }
     }
 
-    public Collection<String> getVirtualMachinePids() {
-        return this.getVirtualMachinePids(null);
-    }
 }
--- a/src/jdk.jdwp.agent/share/native/libjdwp/debugInit.c	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.jdwp.agent/share/native/libjdwp/debugInit.c	Wed Oct 16 15:31:05 2019 +0200
@@ -40,7 +40,6 @@
 #include "sys.h"
 
 /* How the options get to OnLoad: */
-#define XDEBUG "-Xdebug"
 #define XRUN "-Xrunjdwp"
 #define AGENTLIB "-agentlib:jdwp"
 
@@ -898,7 +897,7 @@
  "--------\n"
  "  - The older " XRUN " interface can still be used, but will be removed in\n"
  "    a future release, for example:\n"
- "        java " XDEBUG " " XRUN ":[help]|[<option>=<value>, ...]\n"
+ "        java " XRUN ":[help]|[<option>=<value>, ...]\n"
     ));
 
 #ifdef DEBUG
--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/PlatformRecording.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/PlatformRecording.java	Wed Oct 16 15:31:05 2019 +0200
@@ -366,10 +366,16 @@
 
     public void setDestination(WriteableUserPath userSuppliedPath) throws IOException {
         synchronized (recorder) {
+            checkSetDestination(userSuppliedPath);
+            this.destination = userSuppliedPath;
+        }
+    }
+
+    public void checkSetDestination(WriteableUserPath userSuppliedPath) throws IOException {
+        synchronized (recorder) {
             if (Utils.isState(getState(), RecordingState.STOPPED, RecordingState.CLOSED)) {
                 throw new IllegalStateException("Destination can't be set on a recording that has been stopped/closed");
             }
-            this.destination = userSuppliedPath;
         }
     }
 
--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/management/ManagementSupport.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/management/ManagementSupport.java	Wed Oct 16 15:31:05 2019 +0200
@@ -25,6 +25,8 @@
 
 package jdk.jfr.internal.management;
 
+import java.io.IOException;
+import java.nio.file.Paths;
 import java.time.Duration;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -98,4 +100,12 @@
         WriteableUserPath wup = pr.getDestination();
         return wup == null ? null : wup.getOriginalText();
     }
+
+    public static void checkSetDestination(Recording recording, String destination) throws IOException{
+        PlatformRecording pr = PrivateAccess.getInstance().getPlatformRecording(recording);
+        if(destination != null){
+            WriteableUserPath wup = new WriteableUserPath(Paths.get(destination));
+            pr.checkSetDestination(wup);
+        }
+    }
 }
--- a/src/jdk.management.jfr/share/classes/jdk/management/jfr/FlightRecorderMXBeanImpl.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.management.jfr/share/classes/jdk/management/jfr/FlightRecorderMXBeanImpl.java	Wed Oct 16 15:31:05 2019 +0200
@@ -28,6 +28,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.StringReader;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.security.AccessControlContext;
 import java.security.AccessController;
@@ -105,7 +106,8 @@
     private static final String OPTION_DISK = "disk";
     private static final String OPTION_DUMP_ON_EXIT = "dumpOnExit";
     private static final String OPTION_DURATION = "duration";
-    private static final List<String> OPTIONS = Arrays.asList(new String[] { OPTION_DUMP_ON_EXIT, OPTION_DURATION, OPTION_NAME, OPTION_MAX_AGE, OPTION_MAX_SIZE, OPTION_DISK, });
+    private static final String OPTION_DESTINATION = "destination";
+    private static final List<String> OPTIONS = Arrays.asList(new String[] { OPTION_DUMP_ON_EXIT, OPTION_DURATION, OPTION_NAME, OPTION_MAX_AGE, OPTION_MAX_SIZE, OPTION_DISK, OPTION_DESTINATION, });
     private final StreamManager streamHandler = new StreamManager();
     private final Map<Long, Object> changes = new ConcurrentHashMap<>();
     private final AtomicLong sequenceNumber = new AtomicLong();
@@ -283,6 +285,7 @@
         validateOption(ops, OPTION_MAX_AGE, MBeanUtils::duration);
         validateOption(ops, OPTION_MAX_SIZE, MBeanUtils::size);
         validateOption(ops, OPTION_DURATION, MBeanUtils::duration);
+        validateOption(ops, OPTION_DESTINATION, x -> MBeanUtils.destination(r, x));
 
         // All OK, now set them.atomically
         setOption(ops, OPTION_DUMP_ON_EXIT, "false", MBeanUtils::booleanValue, x -> r.setDumpOnExit(x));
@@ -291,6 +294,7 @@
         setOption(ops, OPTION_MAX_AGE, null, MBeanUtils::duration, x -> r.setMaxAge(x));
         setOption(ops, OPTION_MAX_SIZE, "0", MBeanUtils::size, x -> r.setMaxSize(x));
         setOption(ops, OPTION_DURATION, null, MBeanUtils::duration, x -> r.setDuration(x));
+        setOption(ops, OPTION_DESTINATION, null, x -> MBeanUtils.destination(r, x), x -> setOptionDestination(r, x));
     }
 
     @Override
@@ -305,6 +309,7 @@
         Long maxSize = r.getMaxSize();
         options.put(OPTION_MAX_SIZE, String.valueOf(maxSize == null ? "0" : maxSize.toString()));
         options.put(OPTION_DURATION, ManagementSupport.formatTimespan(r.getDuration(), " "));
+        options.put(OPTION_DESTINATION, ManagementSupport.getDestinationOriginalText(r));
         return options;
     }
 
@@ -349,6 +354,20 @@
         }
     }
 
+    private static void setOptionDestination(Recording recording, String destination){
+        try {
+            Path pathDestination = null;
+            if(destination != null){
+                pathDestination = Paths.get(destination);
+            }
+            recording.setDestination(pathDestination);
+        } catch (IOException e) {
+            IllegalArgumentException iae = new IllegalArgumentException("Not a valid destination " + destination);
+            iae.addSuppressed(e);
+            throw iae;
+        }
+    }
+
     private static <T, U> void validateOption(Map<String, String> options, String name, Function<String, U> validator) {
         try {
             String v = options.get(name);
--- a/src/jdk.management.jfr/share/classes/jdk/management/jfr/MBeanUtils.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.management.jfr/share/classes/jdk/management/jfr/MBeanUtils.java	Wed Oct 16 15:31:05 2019 +0200
@@ -24,6 +24,7 @@
  */
 package jdk.management.jfr;
 
+import java.io.IOException;
 import java.lang.management.ManagementPermission;
 import java.security.Permission;
 import java.time.DateTimeException;
@@ -37,6 +38,7 @@
 import javax.management.MalformedObjectNameException;
 import javax.management.ObjectName;
 
+import jdk.jfr.Recording;
 import jdk.jfr.internal.management.ManagementSupport;
 
 final class MBeanUtils {
@@ -126,5 +128,16 @@
         }
         return size;
     }
+
+    public static String destination(Recording recording, String destination) throws IllegalArgumentException{
+        try {
+            ManagementSupport.checkSetDestination(recording, destination);
+            return destination;
+        }catch(IOException e){
+            IllegalArgumentException iae = new IllegalArgumentException("Not a valid destination " + destination);
+            iae.addSuppressed(e);
+            throw iae;
+        }
+    }
 }
 
--- a/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/JdkRegExp.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/JdkRegExp.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -82,6 +82,8 @@
             }
         } catch (final PatternSyntaxException e2) {
             throwParserException("syntax", e2.getMessage());
+        } catch (StackOverflowError e3) {
+            throw new RuntimeException(e3);
         }
     }
 
--- a/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/JoniRegExp.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/JoniRegExp.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -82,6 +82,8 @@
             }
         } catch (final PatternSyntaxException | JOniException e2) {
             throwParserException("syntax", e2.getMessage());
+        } catch (StackOverflowError e3) {
+            throw new RuntimeException(e3);
         }
     }
 
--- a/src/jdk.security.auth/share/classes/com/sun/security/auth/module/Krb5LoginModule.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/src/jdk.security.auth/share/classes/com/sun/security/auth/module/Krb5LoginModule.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -644,6 +644,7 @@
                         // renew if ticket is old.
                         Credentials newCred = renewCredentials(cred);
                         if (newCred != null) {
+                            newCred.setProxy(cred.getProxy());
                             cred = newCred;
                         }
                     }
@@ -1070,6 +1071,10 @@
             // create Kerberos Ticket
             if (isInitiator) {
                 kerbTicket = Krb5Util.credsToTicket(cred);
+                if (cred.getProxy() != null) {
+                    KerberosSecrets.getJavaxSecurityAuthKerberosAccess()
+                            .kerberosTicketSetProxy(kerbTicket,Krb5Util.credsToTicket(cred.getProxy()));
+                }
             }
 
             if (storeKey && encKeys != null) {
--- a/test/hotspot/jtreg/ProblemList-graal.txt	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/ProblemList-graal.txt	Wed Oct 16 15:31:05 2019 +0200
@@ -236,7 +236,6 @@
 runtime/exceptionMsgs/AbstractMethodError/AbstractMethodErrorTest.java        8222582 generic-all
 
 # Graal unit tests
-org.graalvm.compiler.core.test.CheckGraalInvariants                              8205081
 org.graalvm.compiler.core.test.OptionsVerifierTest                               8205081
 org.graalvm.compiler.hotspot.test.CompilationWrapperTest                         8205081
 org.graalvm.compiler.replacements.test.classfile.ClassfileBytecodeProviderTest   8205081
--- a/test/hotspot/jtreg/TEST.groups	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/TEST.groups	Wed Oct 16 15:31:05 2019 +0200
@@ -384,26 +384,26 @@
 
 hotspot_tier2_runtime = \
   runtime/ \
-  serviceability/ \
  -runtime/CommandLine/OptionsValidation/TestOptionsWithRanges.java \
  -runtime/CompressedOops/UseCompressedOops.java \
  -runtime/InvocationTests \
  -runtime/Thread/TestThreadDumpMonitorContention.java \
  -:tier1_runtime \
- -:tier1_serviceability \
  -:hotspot_tier2_runtime_platform_agnostic \
  -runtime/signal \
  -runtime/NMT/MallocStressTest.java
 
+hotspot_tier2_serviceability = \
+  serviceability/ \
+ -:tier1_serviceability
+
 hotspot_tier2_runtime_platform_agnostic = \
   runtime/SelectionResolution \
  -:tier1_runtime
 
 hotspot_tier3_runtime = \
   runtime/ \
-  serviceability/ \
  -:tier1_runtime \
- -:tier1_serviceability \
  -:hotspot_tier2_runtime_platform_agnostic \
  -:hotspot_tier2_runtime
 
--- a/test/hotspot/jtreg/TEST.quick-groups	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/TEST.quick-groups	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -1652,18 +1652,18 @@
   vmTestbase/jit/escape/LockElision/MatMul/MatMul.java \
   vmTestbase/jit/escape/LockCoarsening/LockCoarsening002/TestDescription.java \
   vmTestbase/jit/exception/exception.java \
-  vmTestbase/jit/graph/cgt0/cgt0.java \
-  vmTestbase/jit/graph/cgt1/cgt1.java \
-  vmTestbase/jit/graph/cgt2/cgt2.java \
-  vmTestbase/jit/graph/cgt3/cgt3.java \
-  vmTestbase/jit/graph/cgt4/cgt4.java \
-  vmTestbase/jit/graph/cgt5/cgt5.java \
-  vmTestbase/jit/graph/cgt6/cgt6.java \
-  vmTestbase/jit/graph/cgt7/cgt7.java \
-  vmTestbase/jit/graph/cgt8/cgt8.java \
-  vmTestbase/jit/graph/cgt9/cgt9.java \
-  vmTestbase/jit/graph/cgt10/cgt10.java \
-  vmTestbase/jit/graph/cgt11/cgt11.java \
+  vmTestbase/jit/graph/cgt0.java \
+  vmTestbase/jit/graph/cgt1.java \
+  vmTestbase/jit/graph/cgt2.java \
+  vmTestbase/jit/graph/cgt3.java \
+  vmTestbase/jit/graph/cgt4.java \
+  vmTestbase/jit/graph/cgt5.java \
+  vmTestbase/jit/graph/cgt6.java \
+  vmTestbase/jit/graph/cgt7.java \
+  vmTestbase/jit/graph/cgt8.java \
+  vmTestbase/jit/graph/cgt9.java \
+  vmTestbase/jit/graph/cgt10.java \
+  vmTestbase/jit/graph/cgt11.java \
   vmTestbase/jit/init/init01/init01.java \
   vmTestbase/jit/init/init02/init02.java \
   vmTestbase/jit/inline/inline003/inline003.java \
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/graalunit/CoreAarch64Test.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary
+ * @requires vm.opt.final.EnableJVMCI == true
+ *
+ * @modules jdk.internal.vm.compiler
+ *
+ * @library /test/lib /compiler/graalunit /
+ *
+ * @build compiler.graalunit.common.GraalUnitTestLauncher
+ *
+ * @run driver jdk.test.lib.FileInstaller ../../ProblemList-graal.txt ExcludeList.txt
+ *
+ * @run main compiler.graalunit.common.GraalUnitTestLauncher -prefix org.graalvm.compiler.core.aarch64.test -exclude ExcludeList.txt
+ */
+
+/* DO NOT MODIFY THIS FILE. GENERATED BY generateTests.sh */
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/graalunit/CoreJdk9Test.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary
+ * @requires vm.opt.final.EnableJVMCI == true
+ *
+ * @modules jdk.internal.vm.compiler
+ *
+ * @library /test/lib /compiler/graalunit /
+ *
+ * @build compiler.graalunit.common.GraalUnitTestLauncher
+ *
+ * @run driver jdk.test.lib.FileInstaller ../../ProblemList-graal.txt ExcludeList.txt
+ *
+ * @run main compiler.graalunit.common.GraalUnitTestLauncher -prefix org.graalvm.compiler.core.jdk9.test -exclude ExcludeList.txt
+ */
+
+/* DO NOT MODIFY THIS FILE. GENERATED BY generateTests.sh */
--- a/test/hotspot/jtreg/compiler/graalunit/EA9Test.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,40 +0,0 @@
-/*
- * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * @test
- * @summary
- * @requires vm.opt.final.EnableJVMCI == true
- *
- * @modules jdk.internal.vm.compiler
- *
- * @library /test/lib /compiler/graalunit /
- *
- * @build compiler.graalunit.common.GraalUnitTestLauncher
- *
- * @run driver jdk.test.lib.FileInstaller ../../ProblemList-graal.txt ExcludeList.txt
- *
- * @run main compiler.graalunit.common.GraalUnitTestLauncher -prefix org.graalvm.compiler.core.jdk9.test.ea -exclude ExcludeList.txt
- */
-
-/* DO NOT MODIFY THIS FILE. GENERATED BY generateTests.sh */
--- a/test/hotspot/jtreg/compiler/graalunit/TestPackages.txt	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/compiler/graalunit/TestPackages.txt	Wed Oct 16 15:31:05 2019 +0200
@@ -4,18 +4,19 @@
 AsmAarch64    org.graalvm.compiler.asm.aarch64.test
 AsmAmd64      org.graalvm.compiler.asm.amd64.test
 AsmSparc      org.graalvm.compiler.asm.sparc.test
-CoreAmd64     org.graalvm.compiler.core.amd64.test
 Core          org.graalvm.compiler.core.test       @requires !vm.graal.enabled
 EA            org.graalvm.compiler.core.test.ea
-EA9           org.graalvm.compiler.core.jdk9.test.ea
+CoreAmd64     org.graalvm.compiler.core.amd64.test
+CoreAarch64   org.graalvm.compiler.core.aarch64.test
+CoreJdk9      org.graalvm.compiler.core.jdk9.test
 Debug         org.graalvm.compiler.debug.test
 Graph         org.graalvm.compiler.graph.test      @requires vm.graal.enabled
+Hotspot       org.graalvm.compiler.hotspot.test
 HotspotAarch64 org.graalvm.compiler.hotspot.aarch64.test
 HotspotAmd64  org.graalvm.compiler.hotspot.amd64.test
 HotspotJdk9   org.graalvm.compiler.hotspot.jdk9.test
 HotspotSparc  org.graalvm.compiler.hotspot.sparc.test @requires vm.simpleArch == "sparcv9"
 HotspotLir    org.graalvm.compiler.hotspot.lir.test
-Hotspot       org.graalvm.compiler.hotspot.test
 Loop          org.graalvm.compiler.loop.test
 Nodes         org.graalvm.compiler.nodes.test      @requires vm.graal.enabled
 Options       org.graalvm.compiler.options.test
--- a/test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/FindClassesByAnnotatedMethods.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/FindClassesByAnnotatedMethods.java	Wed Oct 16 15:31:05 2019 +0200
@@ -73,7 +73,7 @@
             System.out.print(jarFilePath);
             while (e.hasMoreElements()) {
                 JarEntry je = e.nextElement();
-                if (je.isDirectory() || !je.getName().endsWith(".class")) {
+                if (je.isDirectory() || !je.getName().endsWith(".class") || je.getName().equals("module-info.class")) {
                     continue;
                 }
                 Set<String> methodAnnotationTypes = new HashSet<>();
@@ -84,6 +84,8 @@
                 } catch (UnsupportedClassVersionError ucve) {
                     isSupported = false;
                     unsupportedClasses++;
+                } catch (Throwable t) {
+                    throw new InternalError("Error while parsing class from " + je + " in " + jarFilePath, t);
                 }
                 String className = je.getName().substring(0, je.getName().length() - ".class".length()).replaceAll("/", ".");
                 if (!isSupported) {
@@ -129,7 +131,7 @@
     /*
      * Small bytecode parser that extract annotations.
      */
-    private static final int MAJOR_VERSION_JAVA7 = 51;
+    private static final int MAJOR_VERSION_JAVA6 = 50;
     private static final int MAJOR_VERSION_OFFSET = 44;
     private static final byte CONSTANT_Utf8 = 1;
     private static final byte CONSTANT_Integer = 3;
@@ -146,6 +148,8 @@
     private static final byte CONSTANT_MethodType = 16;
     private static final byte CONSTANT_Dynamic = 17;
     private static final byte CONSTANT_InvokeDynamic = 18;
+    private static final byte CONSTANT_Module = 19;
+    private static final byte CONSTANT_Package = 20;
 
     private static void readClassfile(DataInputStream stream, Collection<String> methodAnnotationTypes) throws IOException {
         // magic
@@ -154,7 +158,7 @@
 
         int minor = stream.readUnsignedShort();
         int major = stream.readUnsignedShort();
-        if (major < MAJOR_VERSION_JAVA7) {
+        if (major < MAJOR_VERSION_JAVA6) {
             throw new UnsupportedClassVersionError("Unsupported class file version: " + major + "." + minor);
         }
         // Starting with JDK8, ignore a classfile that has a newer format than the current JDK.
@@ -210,7 +214,9 @@
             switch (tag) {
                 case CONSTANT_Class:
                 case CONSTANT_String:
-                case CONSTANT_MethodType: {
+                case CONSTANT_MethodType:
+                case CONSTANT_Module:
+                case CONSTANT_Package: {
                     skipFully(stream, 2);
                     break;
                 }
--- a/test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/JLModule.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,211 +0,0 @@
-/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package com.oracle.mxtool.junit;
-
-import java.lang.reflect.Method;
-import java.util.Arrays;
-import java.util.Set;
-
-/**
- * Facade for the {@code java.lang.Module} class introduced in JDK9 that allows tests to be
- * developed against JDK8 but use module logic if deployed on JDK9.
- */
-class JLModule {
-
-    private final Object realModule;
-
-    JLModule(Object module) {
-        this.realModule = module;
-    }
-
-    private static final Class<?> moduleClass;
-    private static final Class<?> layerClass;
-
-    private static final Method bootMethod;
-    private static final Method modulesMethod;
-    private static final Method getModuleMethod;
-    private static final Method getUnnamedModuleMethod;
-    private static final Method getNameMethod;
-    private static final Method getPackagesMethod;
-    private static final Method isExportedMethod;
-    private static final Method isExported2Method;
-    private static final Method addExportsMethod;
-    private static final Method addOpensMethod;
-    static {
-        try {
-            moduleClass = findModuleClass();
-            Class<?> modulesClass = Class.forName("jdk.internal.module.Modules");
-            layerClass = findModuleLayerClass();
-            bootMethod = layerClass.getMethod("boot");
-            modulesMethod = layerClass.getMethod("modules");
-            getModuleMethod = Class.class.getMethod("getModule");
-            getUnnamedModuleMethod = ClassLoader.class.getMethod("getUnnamedModule");
-            getNameMethod = moduleClass.getMethod("getName");
-            getPackagesMethod = moduleClass.getMethod("getPackages");
-            isExportedMethod = moduleClass.getMethod("isExported", String.class);
-            isExported2Method = moduleClass.getMethod("isExported", String.class, moduleClass);
-            addExportsMethod = modulesClass.getDeclaredMethod("addExports", moduleClass, String.class, moduleClass);
-            addOpensMethod = getDeclaredMethodOptional(modulesClass, "addOpens", moduleClass, String.class, moduleClass);
-        } catch (Exception e) {
-            throw new AssertionError(e);
-        }
-    }
-
-    // API change http://hg.openjdk.java.net/jdk9/dev/hotspot/rev/afedee84773e.
-    protected static Class<?> findModuleClass() throws ClassNotFoundException {
-        try {
-            return Class.forName("java.lang.Module");
-        } catch (ClassNotFoundException e) {
-            return Class.forName("java.lang.reflect.Module");
-        }
-    }
-
-    // API change http://hg.openjdk.java.net/jdk9/dev/hotspot/rev/afedee84773e.
-    protected static Class<?> findModuleLayerClass() throws ClassNotFoundException {
-        try {
-            return Class.forName("java.lang.ModuleLayer");
-        } catch (ClassNotFoundException e) {
-            return Class.forName("java.lang.reflect.Layer");
-        }
-    }
-
-    private static Method getDeclaredMethodOptional(Class<?> declaringClass, String name, Class<?>... parameterTypes) {
-        try {
-            return declaringClass.getDeclaredMethod(name, parameterTypes);
-        } catch (NoSuchMethodException e) {
-            return null;
-        }
-    }
-
-    public static JLModule fromClass(Class<?> cls) {
-        try {
-            return new JLModule(getModuleMethod.invoke(cls));
-        } catch (Exception e) {
-            throw new AssertionError(e);
-        }
-    }
-
-    @SuppressWarnings("unchecked")
-    public static JLModule find(String name) {
-        try {
-            Object bootLayer = bootMethod.invoke(null);
-            Set<Object> modules = (Set<Object>) modulesMethod.invoke(bootLayer);
-            for (Object m : modules) {
-                JLModule module = new JLModule(m);
-                String mname = module.getName();
-                if (mname.equals(name)) {
-                    return module;
-                }
-            }
-        } catch (Exception e) {
-            throw new InternalError(e);
-        }
-        return null;
-    }
-
-    public static JLModule getUnnamedModuleFor(ClassLoader cl) {
-        try {
-            return new JLModule(getUnnamedModuleMethod.invoke(cl));
-        } catch (Exception e) {
-            throw new AssertionError(e);
-        }
-    }
-
-    public String getName() {
-        try {
-            return (String) getNameMethod.invoke(realModule);
-        } catch (Exception e) {
-            throw new AssertionError(e);
-        }
-    }
-
-    /**
-     * Exports all packages in this module to a given module.
-     */
-    public void exportAllPackagesTo(JLModule module) {
-        if (this != module) {
-            for (String pkg : getPackages()) {
-                // Export all JVMCI packages dynamically instead
-                // of requiring a long list of -XaddExports
-                // options on the JVM command line.
-                if (!isExported(pkg, module)) {
-                    addExports(pkg, module);
-                    addOpens(pkg, module);
-                }
-            }
-        }
-    }
-
-    @SuppressWarnings("unchecked")
-    public Iterable<String> getPackages() {
-        try {
-            // API change http://hg.openjdk.java.net/jdk9/dev/hotspot/rev/afedee84773e#l1.15
-            Object res = getPackagesMethod.invoke(realModule);
-            if (res instanceof String[]) {
-                return Arrays.asList((String[]) res);
-            }
-            return (Set<String>) res;
-        } catch (Exception e) {
-            throw new AssertionError(e);
-        }
-    }
-
-    public boolean isExported(String pn) {
-        try {
-            return (Boolean) isExportedMethod.invoke(realModule, pn);
-        } catch (Exception e) {
-            throw new AssertionError(e);
-        }
-    }
-
-    public boolean isExported(String pn, JLModule other) {
-        try {
-            return (Boolean) isExported2Method.invoke(realModule, pn, other.realModule);
-        } catch (Exception e) {
-            throw new AssertionError(e);
-        }
-    }
-
-    public void addExports(String pn, JLModule other) {
-        try {
-            addExportsMethod.invoke(null, realModule, pn, other.realModule);
-        } catch (Exception e) {
-            throw new AssertionError(e);
-        }
-    }
-
-    public void addOpens(String pn, JLModule other) {
-        if (addOpensMethod != null) {
-            try {
-                addOpensMethod.invoke(null, realModule, pn, other.realModule);
-            } catch (Exception e) {
-                throw new AssertionError(e);
-            }
-        }
-    }
-
-    @Override
-    public String toString() {
-        return realModule.toString();
-    }
-}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/ModuleSupport.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.mxtool.junit;
+
+import java.io.PrintStream;
+import java.util.Set;
+
+/**
+ * Interface to {@code java.lang.Module} related functionality.
+ */
+class ModuleSupport {
+
+    /**
+     * @param out stream to use for printing warnings
+     */
+    ModuleSupport(PrintStream out) {
+    }
+
+    /**
+     * Exports and opens packages based on {@code spec}. See further documentation in
+     * {@code mx_unittest.py}.
+     *
+     * @param spec
+     * @param context
+     * @param opened the set of opens performed are added to this set in the format
+     *            {@code <module>/<package>=<target-module>(,<target-module>)*} (e.g.
+     *            {@code "com.foo/com.foo.util=ALL-NAMED,com.bar"})
+     * @param exported the set of exports performed are added to this set in the format
+     *            {@code <module>/<package>=<target-module>(,<target-module>)*} (e.g.
+     *            {@code "com.foo/com.foo.util=ALL-NAMED,com.bar"})
+     */
+    void openPackages(String spec, Object context, Set<String> opened, Set<String> exported) {
+        // Nop on JDK 8
+    }
+
+    /**
+     * Updates modules specified in {@code AddExport} annotations on {@code classes} to export and
+     * open packages to the annotation classes' declaring modules.
+     *
+     * @param classes
+     * @param opened the set of opens performed are added to this set in the format
+     *            {@code <module>/<package>=<target-module>(,<target-module>)*} (e.g.
+     *            {@code "com.foo/com.foo.util=ALL-NAMED,com.bar"})
+     * @param exported the set of exports performed are added to this set in the format
+     *            {@code <module>/<package>=<target-module>(,<target-module>)*} (e.g.
+     *            {@code "com.foo/com.foo.util=ALL-NAMED,com.bar"})
+     */
+    void processAddExportsAnnotations(Set<Class<?>> classes, Set<String> opened, Set<String> exported) {
+        // Nop on JDK 8
+    }
+}
--- a/test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/MxJUnitWrapper.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/MxJUnitWrapper.java	Wed Oct 16 15:31:05 2019 +0200
@@ -29,18 +29,13 @@
 import java.io.FileReader;
 import java.io.IOException;
 import java.io.PrintStream;
-import java.lang.annotation.Annotation;
-import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 import java.util.ServiceLoader;
 import java.util.Set;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
+import java.util.TreeSet;
 
 import org.junit.internal.JUnitSystem;
 import org.junit.internal.RealSystem;
@@ -59,6 +54,14 @@
 
 public class MxJUnitWrapper {
 
+    // Unit tests that start a JVM subprocess can use these system properties to
+    // add --add-exports and --add-opens as necessary to the JVM command line.
+    //
+    // Known usages:
+    // org.graalvm.compiler.test.SubprocessUtil.getPackageOpeningOptions()
+    public static final String OPENED_PACKAGES_PROPERTY_NAME = "com.oracle.mxtool.junit.opens";
+    public static final String EXPORTED_PACKAGES_PROPERTY_NAME = "com.oracle.mxtool.junit.exports";
+
     public static class MxJUnitConfig {
 
         public boolean verbose = false;
@@ -136,14 +139,25 @@
 
         String[] expandedArgs = expandArgs(args);
         int i = 0;
+        List<String> testSpecs = new ArrayList<>();
+        List<String> openPackagesSpecs = new ArrayList<>();
         while (i < expandedArgs.length) {
             String each = expandedArgs[i];
             if (each.charAt(0) == '-') {
                 // command line arguments
                 if (each.contentEquals("-JUnitVerbose")) {
                     config.verbose = true;
+                    config.enableTiming = true;
+                } else if (each.contentEquals("-JUnitOpenPackages")) {
+                    if (i + 1 >= expandedArgs.length) {
+                        system.out().println("Must include argument for -JUnitAddExports");
+                        System.exit(1);
+                    }
+                    openPackagesSpecs.add(expandedArgs[++i]);
                 } else if (each.contentEquals("-JUnitVeryVerbose")) {
+                    config.verbose = true;
                     config.veryVerbose = true;
+                    config.enableTiming = true;
                 } else if (each.contentEquals("-JUnitFailFast")) {
                     config.failFast = true;
                 } else if (each.contentEquals("-JUnitEnableTiming")) {
@@ -172,21 +186,35 @@
                 }
 
             } else {
-
-                try {
-                    builder.addTestSpec(each);
-                } catch (MxJUnitRequest.BuilderException ex) {
-                    system.out().println(ex.getMessage());
-                    System.exit(1);
-                }
+                testSpecs.add(each);
             }
             i++;
         }
 
-        MxJUnitRequest request = builder.build();
+        ModuleSupport moduleSupport = new ModuleSupport(system.out());
+        Set<String> opened = new TreeSet<>();
+        Set<String> exported = new TreeSet<>();
+        for (String spec : openPackagesSpecs) {
+            moduleSupport.openPackages(spec, "-JUnitOpenPackages", opened, exported);
+        }
 
-        if (System.getProperty("java.specification.version").compareTo("1.9") >= 0) {
-            addExports(request.classes, system.out());
+        for (String spec : testSpecs) {
+            try {
+                builder.addTestSpec(spec);
+            } catch (MxJUnitRequest.BuilderException ex) {
+                system.out().println(ex.getMessage());
+                System.exit(1);
+            }
+        }
+
+        MxJUnitRequest request = builder.build();
+        moduleSupport.processAddExportsAnnotations(request.classes, opened, exported);
+
+        if (!opened.isEmpty()) {
+            System.setProperty(OPENED_PACKAGES_PROPERTY_NAME, String.join(System.lineSeparator(), opened));
+        }
+        if (!exported.isEmpty()) {
+            System.setProperty(EXPORTED_PACKAGES_PROPERTY_NAME, String.join(System.lineSeparator(), exported));
         }
 
         for (RunListener p : ServiceLoader.load(RunListener.class)) {
@@ -285,8 +313,6 @@
         return result;
     }
 
-    private static final Pattern MODULE_PACKAGE_RE = Pattern.compile("([^/]+)/(.+)");
-
     private static class Timing<T> implements Comparable<Timing<T>> {
         final T subject;
         final long value;
@@ -344,93 +370,6 @@
     }
 
     /**
-     * Adds the super types of {@code cls} to {@code supertypes}.
-     */
-    private static void gatherSupertypes(Class<?> cls, Set<Class<?>> supertypes) {
-        if (!supertypes.contains(cls)) {
-            supertypes.add(cls);
-            Class<?> superclass = cls.getSuperclass();
-            if (superclass != null) {
-                gatherSupertypes(superclass, supertypes);
-            }
-            for (Class<?> iface : cls.getInterfaces()) {
-                gatherSupertypes(iface, supertypes);
-            }
-        }
-    }
-
-    /**
-     * Updates modules specified in {@code AddExport} annotations on {@code classes} to export
-     * concealed packages to the annotation classes' declaring modules.
-     */
-    private static void addExports(Set<Class<?>> classes, PrintStream out) {
-        Set<Class<?>> types = new HashSet<>();
-        for (Class<?> cls : classes) {
-            gatherSupertypes(cls, types);
-        }
-        for (Class<?> cls : types) {
-            Annotation[] annos = cls.getAnnotations();
-            for (Annotation a : annos) {
-                Class<? extends Annotation> annotationType = a.annotationType();
-                if (annotationType.getSimpleName().equals("AddExports")) {
-                    Optional<String[]> value = getElement("value", String[].class, a);
-                    if (value.isPresent()) {
-                        for (String export : value.get()) {
-                            Matcher m = MODULE_PACKAGE_RE.matcher(export);
-                            if (m.matches()) {
-                                String moduleName = m.group(1);
-                                String packageName = m.group(2);
-                                JLModule module = JLModule.find(moduleName);
-                                if (module == null) {
-                                    out.printf("%s: Cannot find module named %s specified in \"AddExports\" annotation: %s%n", cls.getName(), moduleName, a);
-                                } else {
-                                    if (packageName.equals("*")) {
-                                        module.exportAllPackagesTo(JLModule.fromClass(cls));
-                                    } else {
-                                        module.addExports(packageName, JLModule.fromClass(cls));
-                                        module.addOpens(packageName, JLModule.fromClass(cls));
-                                    }
-                                }
-                            } else {
-                                out.printf("%s: Ignoring \"AddExports\" annotation with value not matching <module>/<package> pattern: %s%n", cls.getName(), a);
-                            }
-                        }
-                    } else {
-                        out.printf("%s: Ignoring \"AddExports\" annotation without `String value` element: %s%n", cls.getName(), a);
-                    }
-                }
-            }
-        }
-    }
-
-    /**
-     * Gets the value of the element named {@code name} of type {@code type} from {@code annotation}
-     * if present.
-     *
-     * @return the requested element value wrapped in an {@link Optional} or
-     *         {@link Optional#empty()} if {@code annotation} has no element named {@code name}
-     * @throws AssertionError if {@code annotation} has an element of the given name but whose type
-     *             is not {@code type} or if there's some problem reading the value via reflection
-     */
-    private static <T> Optional<T> getElement(String name, Class<T> type, Annotation annotation) {
-        Class<? extends Annotation> annotationType = annotation.annotationType();
-        Method valueAccessor;
-        try {
-            valueAccessor = annotationType.getMethod(name);
-            if (!valueAccessor.getReturnType().equals(type)) {
-                throw new AssertionError(String.format("Element %s of %s is of type %s, not %s ", name, annotationType.getName(), valueAccessor.getReturnType().getName(), type.getName()));
-            }
-        } catch (NoSuchMethodException e) {
-            return Optional.empty();
-        }
-        try {
-            return Optional.of(type.cast(valueAccessor.invoke(annotation)));
-        } catch (Exception e) {
-            throw new AssertionError(String.format("Could not read %s element from %s", name, annotation), e);
-        }
-    }
-
-    /**
      * Expand any arguments starting with @ and return the resulting argument array.
      *
      * @return the expanded argument array
--- a/test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/TextRunListener.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/TextRunListener.java	Wed Oct 16 15:31:05 2019 +0200
@@ -74,7 +74,8 @@
     }
 
     public static RunListener createRunListener(MxRunListener l) {
-        return new TextListener(l.getWriter()) {
+        PrintStream theWriter = l.getWriter();
+        return new TextListener(theWriter) {
             private Class<?> lastClass;
             private int passedInLastClass;
             private int failedInLastClass;
@@ -143,6 +144,15 @@
             public void testAssumptionFailure(Failure failure) {
                 l.testAssumptionFailure(failure);
             }
+
+            @Override
+            protected void printFailure(Failure each, String prefix) {
+                // Print out the test message in the same format used to run a single test:
+                // my.package.MyClass#methodName
+                String header = each.getDescription().getClassName() + "#" + each.getDescription().getMethodName();
+                theWriter.println(prefix + ") " + header);
+                theWriter.print(each.getTrace());
+            }
         };
     }
 }
--- a/test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/TimingDecorator.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/compiler/graalunit/com.oracle.mxtool.junit/com/oracle/mxtool/junit/TimingDecorator.java	Wed Oct 16 15:31:05 2019 +0200
@@ -22,8 +22,8 @@
  */
 package com.oracle.mxtool.junit;
 
-import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 import org.junit.runner.Description;
 
@@ -40,8 +40,8 @@
 
     TimingDecorator(MxRunListener l) {
         super(l);
-        this.classTimes = new HashMap<>();
-        this.testTimes = new HashMap<>();
+        this.classTimes = new ConcurrentHashMap<>();
+        this.testTimes = new ConcurrentHashMap<>();
     }
 
     @Override
--- a/test/hotspot/jtreg/compiler/graalunit/common/GraalUnitTestLauncher.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/compiler/graalunit/common/GraalUnitTestLauncher.java	Wed Oct 16 15:31:05 2019 +0200
@@ -229,6 +229,8 @@
         javaFlags.add("jdk.internal.vm.compiler,jdk.internal.vm.ci");
         javaFlags.add("--add-exports");
         javaFlags.add("java.base/jdk.internal.module=ALL-UNNAMED");
+        javaFlags.add("--add-exports");
+        javaFlags.add("java.base/jdk.internal.misc=ALL-UNNAMED");
         javaFlags.addAll(getModuleExports("jdk.internal.vm.compiler", "ALL-UNNAMED"));
         javaFlags.addAll(getModuleExports("jdk.internal.vm.ci", "ALL-UNNAMED,jdk.internal.vm.compiler"));
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/loopopts/TestRemoveEmptyLoop.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2019, Huawei Technologies Co. Ltd. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8231988
+ * @summary Unexpected test result caused by C2 IdealLoopTree::do_remove_empty_loop
+ *
+ * @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation
+ *      compiler.loopopts.TestRemoveEmptyLoop
+ */
+
+package compiler.loopopts;
+
+public class TestRemoveEmptyLoop {
+
+    public void test() {
+        int i = 34;
+        for (; i > 0; i -= 11);
+        if (i < 0) {
+            // do nothing
+        } else {
+            throw new RuntimeException("Test failed.");
+        }
+    }
+
+    public static void main(String[] args) {
+        TestRemoveEmptyLoop _instance = new TestRemoveEmptyLoop();
+        for (int i = 0; i < 50000; i++) {
+            _instance.test();
+        }
+        System.out.println("Test passed.");
+    }
+
+}
--- a/test/hotspot/jtreg/containers/docker/EventGeneratorLoop.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/containers/docker/EventGeneratorLoop.java	Wed Oct 16 15:31:05 2019 +0200
@@ -45,7 +45,7 @@
         }
         int howLong = Integer.parseInt(args[0]);
 
-        System.out.println(MAIN_METHOD_STARTED);
+        System.out.println(MAIN_METHOD_STARTED + ", argument is " + howLong);
 
         for (int i=0; i < howLong; i++) {
             SimpleEvent ev = new SimpleEvent();
@@ -56,6 +56,8 @@
             try { Thread.sleep(1000); } catch (InterruptedException e) {}
             System.out.print(".");
         }
+
+        System.out.println("EventGeneratorLoop is coming to an end");
     }
 
 }
--- a/test/hotspot/jtreg/containers/docker/TestJcmdWithSideCar.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/containers/docker/TestJcmdWithSideCar.java	Wed Oct 16 15:31:05 2019 +0200
@@ -56,7 +56,7 @@
 public class TestJcmdWithSideCar {
     private static final String IMAGE_NAME = Common.imageName("jfr-jcmd");
     private static final int TIME_TO_RUN_MAIN_PROCESS = (int) (30 * Utils.TIMEOUT_FACTOR); // seconds
-    private static final long TIME_TO_WAIT_FOR_MAIN_METHOD_START = 5 * 1000; // milliseconds
+    private static final long TIME_TO_WAIT_FOR_MAIN_METHOD_START = 50 * 1000; // milliseconds
     private static final String MAIN_CONTAINER_NAME = "test-container-main";
 
     public static void main(String[] args) throws Exception {
@@ -198,6 +198,8 @@
                 .addDockerOpts("--volume", Paths.get(".").toAbsolutePath() + ":/workdir/")
                 .addJavaOpts("-XX:+UsePerfData")
                 .addClassOptions("" + TIME_TO_RUN_MAIN_PROCESS);
+            // avoid large Xmx
+            opts.appendTestJavaOptions = false;
 
             List<String> cmd = DockerTestUtils.buildJavaCommand(opts);
             ProcessBuilder pb = new ProcessBuilder(cmd);
@@ -232,9 +234,21 @@
         }
 
         public void waitForAndCheck(long timeout) throws Exception {
-            waitFor(timeout);
-            if (p.exitValue() != 0) {
-                throw new RuntimeException("DockerThread stopped unexpectedly");
+            int exitValue = -1;
+            int retryCount = 3;
+
+            do {
+                waitFor(timeout);
+                try {
+                    exitValue = p.exitValue();
+                } catch(IllegalThreadStateException ex) {
+                    System.out.println("IllegalThreadStateException occured when calling exitValue()");
+                    retryCount--;
+                }
+            } while (exitValue == -1 && retryCount > 0);
+
+            if (exitValue != 0) {
+                throw new RuntimeException("DockerThread stopped unexpectedly, non-zero exit value is " + exitValue);
             }
         }
 
--- a/test/hotspot/jtreg/gc/CriticalNativeArgs.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/gc/CriticalNativeArgs.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, Red Hat, Inc. and/or its affiliates.
+ * Copyright (c) 2018, 2019, Red Hat, Inc. and/or its affiliates.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
@@ -28,7 +28,7 @@
  * @key gc
  * @bug 8199868
  * @library /
- * @requires (os.arch =="x86_64" | os.arch == "amd64") & vm.gc.Epsilon & !vm.graal.enabled
+ * @requires (os.arch =="x86_64" | os.arch == "amd64" | os.arch=="x86" | os.arch=="i386") & vm.gc.Epsilon & !vm.graal.enabled
  * @summary test argument unpacking nmethod wrapper of critical native method
  * @run main/othervm/native -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -Xcomp -Xmx256M -XX:+CriticalJNINatives gc.CriticalNativeArgs
  */
@@ -38,7 +38,7 @@
  * @key gc
  * @bug 8199868
  * @library /
- * @requires (os.arch =="x86_64" | os.arch == "amd64") & vm.gc.Shenandoah & !vm.graal.enabled
+ * @requires (os.arch =="x86_64" | os.arch == "amd64" | os.arch=="x86" | os.arch=="i386") & vm.gc.Shenandoah & !vm.graal.enabled
  * @summary test argument unpacking nmethod wrapper of critical native method
  * @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive    -XX:+ShenandoahDegeneratedGC -Xcomp -Xmx512M -XX:+CriticalJNINatives gc.CriticalNativeArgs
  * @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive    -XX:-ShenandoahDegeneratedGC -Xcomp -Xmx512M -XX:+CriticalJNINatives gc.CriticalNativeArgs
--- a/test/hotspot/jtreg/gc/epsilon/TestAlwaysPretouch.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/gc/epsilon/TestAlwaysPretouch.java	Wed Oct 16 15:31:05 2019 +0200
@@ -26,7 +26,12 @@
  * @key gc
  * @requires vm.gc.Epsilon & !vm.graal.enabled
  * @summary Basic sanity test for Epsilon
- * @run main/othervm -Xmx1g -XX:+AlwaysPreTouch -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC gc.epsilon.TestAlwaysPretouch
+ * @run main/othervm -Xms128m -Xmx1g                     -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC gc.epsilon.TestAlwaysPretouch
+ * @run main/othervm -Xms128m -Xmx1g -XX:-AlwaysPreTouch -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC gc.epsilon.TestAlwaysPretouch
+ * @run main/othervm -Xms128m -Xmx1g -XX:+AlwaysPreTouch -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC gc.epsilon.TestAlwaysPretouch
+ * @run main/othervm          -Xmx1g                     -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC gc.epsilon.TestAlwaysPretouch
+ * @run main/othervm          -Xmx1g -XX:-AlwaysPreTouch -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC gc.epsilon.TestAlwaysPretouch
+ * @run main/othervm          -Xmx1g -XX:+AlwaysPreTouch -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC gc.epsilon.TestAlwaysPretouch
  */
 
 package gc.epsilon;
--- a/test/hotspot/jtreg/gc/g1/TestRemsetLoggingThreads.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/gc/g1/TestRemsetLoggingThreads.java	Wed Oct 16 15:31:05 2019 +0200
@@ -54,7 +54,7 @@
 
     OutputAnalyzer output = new OutputAnalyzer(pb.start());
 
-    String pattern = "Concurrent RS threads times \\(s\\)$";
+    String pattern = "Concurrent refinement threads times \\(s\\)$";
     Matcher m = Pattern.compile(pattern, Pattern.MULTILINE).matcher(output.getStdout());
 
     if (!m.find()) {
--- a/test/hotspot/jtreg/gc/g1/TestRemsetLoggingTools.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/gc/g1/TestRemsetLoggingTools.java	Wed Oct 16 15:31:05 2019 +0200
@@ -110,7 +110,7 @@
     }
 
     public static void expectRSetSummaries(String result, int expectedCumulative, int expectedPeriodic) throws Exception {
-        int actualTotal = result.split("concurrent refinement").length - 1;
+        int actualTotal = result.split("concurrent refinement statistics").length - 1;
         int actualCumulative = result.split("Cumulative RS summary").length - 1;
 
         if (expectedCumulative != actualCumulative) {
--- a/test/hotspot/jtreg/gc/shenandoah/TestGCThreadGroups.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/gc/shenandoah/TestGCThreadGroups.java	Wed Oct 16 15:31:05 2019 +0200
@@ -32,12 +32,6 @@
  *      -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
  *      -Dtarget=1000
  *      TestGCThreadGroups
- *
- * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
- *      -XX:ConcGCThreads=4 -XX:ParallelGCThreads=2
- *      -Dtarget=1000
- *      TestGCThreadGroups
  */
 
 /**
@@ -71,46 +65,22 @@
  *      TestGCThreadGroups
  *
  * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
- *      -XX:ConcGCThreads=4 -XX:ParallelGCThreads=2
- *      -Dtarget=1000
- *      TestGCThreadGroups
- *
- * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
  *      -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
  *      -Dtarget=1000
  *      TestGCThreadGroups
  *
  * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
- *      -XX:ConcGCThreads=4 -XX:ParallelGCThreads=2
- *      -Dtarget=1000
- *      TestGCThreadGroups
- *
- * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
  *      -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
  *      -Dtarget=100
  *      TestGCThreadGroups
  *
  * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
- *      -XX:ConcGCThreads=4 -XX:ParallelGCThreads=2
- *      -Dtarget=100
- *      TestGCThreadGroups
- *
- * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
  *      -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
  *      -Dtarget=100
  *      TestGCThreadGroups
- *
- * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
- *      -XX:ConcGCThreads=4 -XX:ParallelGCThreads=2
- *      -Dtarget=100
- *      TestGCThreadGroups
  */
 
 /**
@@ -130,18 +100,6 @@
  *      -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4
  *      -Dtarget=1000
  *      TestGCThreadGroups
- *
- * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal
- *      -XX:ConcGCThreads=4 -XX:ParallelGCThreads=2
- *      -Dtarget=1000
- *      TestGCThreadGroups
- *
- * @run main/othervm -Xmx16m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=traversal -XX:ShenandoahGCHeuristics=aggressive
- *      -XX:ConcGCThreads=4 -XX:ParallelGCThreads=2
- *      -Dtarget=1000
- *      TestGCThreadGroups
 */
 
 public class TestGCThreadGroups {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/gc/shenandoah/options/TestHumongousMoves.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2016, 2018, Red Hat, Inc. All rights reserved.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test TestHumongousMoves
+ * @summary Check Shenandoah reacts on setting humongous moves correctly
+ * @key gc
+ * @requires vm.gc.Shenandoah & !vm.graal.enabled
+ *
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
+ *      -XX:-ShenandoahHumongousMoves
+ *      -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
+ *      TestHumongousMoves
+ *
+ * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
+ *      -XX:+ShenandoahHumongousMoves
+ *      -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify
+ *      TestHumongousMoves
+ */
+
+import java.util.Random;
+
+public class TestHumongousMoves {
+
+    static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
+
+    static volatile Object sink;
+
+    public static void main(String[] args) throws Exception {
+        final int min = 0;
+        final int max = 384 * 1024;
+        long count = TARGET_MB * 1024 * 1024 / (16 + 4 * (min + (max - min) / 2));
+
+        Random r = new Random();
+        for (long c = 0; c < count; c++) {
+            sink = new int[min + r.nextInt(max - min)];
+        }
+    }
+
+}
--- a/test/hotspot/jtreg/gc/shenandoah/options/TestThreadCounts.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/gc/shenandoah/options/TestThreadCounts.java	Wed Oct 16 15:31:05 2019 +0200
@@ -61,7 +61,7 @@
             output.shouldHaveExitValue(1);
         } else if (conc > par) {
             output.shouldContain("Shenandoah expects ConcGCThreads <= ParallelGCThreads");
-            output.shouldHaveExitValue(0);
+            output.shouldHaveExitValue(1);
         } else {
             output.shouldNotContain("Shenandoah expects ConcGCThreads <= ParallelGCThreads");
             output.shouldHaveExitValue(0);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/gc/shenandoah/options/TestThreadCountsOverride.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2016, 2018, Red Hat, Inc. All rights reserved.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test TestThreadCountsOverride
+ * @summary Test that Shenandoah GC thread counts are overridable
+ * @key gc
+ * @requires vm.gc.Shenandoah & !vm.graal.enabled
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ *          java.management
+ * @run driver TestThreadCountsOverride
+ */
+
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.process.OutputAnalyzer;
+
+public class TestThreadCountsOverride {
+    public static void main(String[] args) throws Exception {
+        {
+            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+                "-XX:+UnlockDiagnosticVMOptions",
+                "-XX:+UnlockExperimentalVMOptions",
+                "-XX:+UseShenandoahGC",
+                "-XX:ParallelGCThreads=1",
+                "-XX:+PrintFlagsFinal",
+                "-version");
+            OutputAnalyzer output = new OutputAnalyzer(pb.start());
+
+            output.shouldMatch("ParallelGCThreads(.*)= 1 ");
+            output.shouldHaveExitValue(0);
+        }
+
+        {
+            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+                "-XX:+UnlockDiagnosticVMOptions",
+                "-XX:+UnlockExperimentalVMOptions",
+                "-XX:+UseShenandoahGC",
+                "-XX:ConcGCThreads=1",
+                "-XX:+PrintFlagsFinal",
+                "-version");
+            OutputAnalyzer output = new OutputAnalyzer(pb.start());
+
+            output.shouldMatch("ConcGCThreads(.*)= 1 ");
+            output.shouldHaveExitValue(0);
+        }
+    }
+
+}
--- a/test/hotspot/jtreg/gc/stress/CriticalNativeStress.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/gc/stress/CriticalNativeStress.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, Red Hat, Inc. and/or its affiliates.
+ * Copyright (c) 2018, 2019, Red Hat, Inc. and/or its affiliates.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
@@ -31,7 +31,7 @@
  * @key gc
  * @bug 8199868
  * @library /
- * @requires (os.arch =="x86_64" | os.arch == "amd64") & vm.gc.Epsilon & !vm.graal.enabled
+ * @requires (os.arch =="x86_64" | os.arch == "amd64" | os.arch=="x86" | os.arch=="i386") & vm.gc.Epsilon & !vm.graal.enabled
  * @summary test argument pinning by nmethod wrapper of critical native method
  * @run main/othervm/native -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -Xcomp -Xmx1G -XX:+CriticalJNINatives gc.stress.CriticalNativeStress
  */
@@ -41,7 +41,7 @@
  * @key gc
  * @bug 8199868
  * @library /
- * @requires (os.arch =="x86_64" | os.arch == "amd64") & vm.gc.Shenandoah & !vm.graal.enabled
+ * @requires (os.arch =="x86_64" | os.arch == "amd64" | os.arch=="x86" | os.arch=="i386") & vm.gc.Shenandoah & !vm.graal.enabled
  * @summary test argument pinning by nmethod wrapper of critical native method
  * @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive    -XX:-ShenandoahDegeneratedGC -Xcomp -Xmx512M -XX:+CriticalJNINatives gc.stress.CriticalNativeStress
  * @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive    -XX:+ShenandoahDegeneratedGC -Xcomp -Xmx512M -XX:+CriticalJNINatives gc.stress.CriticalNativeStress
--- a/test/hotspot/jtreg/runtime/cds/appcds/LotsOfClasses.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/runtime/cds/appcds/LotsOfClasses.java	Wed Oct 16 15:31:05 2019 +0200
@@ -39,7 +39,7 @@
 
 public class LotsOfClasses {
 
-    public static void main(String[] args) throws Throwable {
+    public static void main(String[] args) throws Exception {
         ArrayList<String> list = new ArrayList<>();
         TestCommon.findAllClasses(list);
 
--- a/test/hotspot/jtreg/runtime/cds/appcds/TestCommon.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/runtime/cds/appcds/TestCommon.java	Wed Oct 16 15:31:05 2019 +0200
@@ -611,7 +611,7 @@
 
     static Pattern pattern;
 
-    static void findAllClasses(ArrayList<String> list) throws Throwable {
+    static void findAllClasses(ArrayList<String> list) throws Exception {
         // Find all the classes in the jrt file system
         pattern = Pattern.compile("/modules/[a-z.]*[a-z]+/([^-]*)[.]class");
         FileSystem fs = FileSystems.getFileSystem(URI.create("jrt:/"));
@@ -619,7 +619,7 @@
         findAllClassesAtPath(base, list);
     }
 
-    private static void findAllClassesAtPath(Path p, ArrayList<String> list) throws Throwable {
+    private static void findAllClassesAtPath(Path p, ArrayList<String> list) throws Exception {
         try (DirectoryStream<Path> stream = Files.newDirectoryStream(p)) {
             for (Path entry: stream) {
                 Matcher matcher = pattern.matcher(entry.toString());
@@ -629,7 +629,7 @@
                 }
                 try {
                     findAllClassesAtPath(entry, list);
-                } catch (Throwable t) {}
+                } catch (Exception ex) {}
             }
         }
     }
--- a/test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/DynamicLotsOfClasses.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/DynamicLotsOfClasses.java	Wed Oct 16 15:31:05 2019 +0200
@@ -45,22 +45,16 @@
 
 public class DynamicLotsOfClasses extends DynamicArchiveTestBase {
 
-    public static void main(String[] args) throws Throwable {
+    public static void main(String[] args) throws Exception {
         runTest(DynamicLotsOfClasses::testDefaultBase);
     }
 
     static void testDefaultBase() throws Exception {
         String topArchiveName = getNewArchiveName("top");
-        try {
-            doTest(topArchiveName);
-         } catch (Throwable th) {
-             System.out.println(th.toString());
-             Exception ex = new Exception(th);
-             throw ex;
-         }
+        doTest(topArchiveName);
     }
 
-    private static void doTest(String topArchiveName) throws Throwable {
+    private static void doTest(String topArchiveName) throws Exception {
         ArrayList<String> list = new ArrayList<>();
         TestCommon.findAllClasses(list);
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/jvmti/GetOwnedMonitorInfo/GetOwnedMonitorInfoWithEATest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,327 @@
+/*
+ * Copyright (c) 2019 SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8230677
+ * @summary Test JVMTI's GetOwnedMonitorInfo with scalar replaced objects and eliminated locks on stack (optimizations based on escape analysis).
+ * @comment Without RFE 8227745 escape analysis needs to be switched off to pass the test. For the implementation of RFE 8227745 it serves as a regression test.
+ * @requires (vm.compMode != "Xcomp" & vm.compiler2.enabled)
+ * @library /test/lib
+ * @compile GetOwnedMonitorInfoWithEATest.java
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:+DoEscapeAnalysis -XX:+EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:+UseBiasedLocking
+ *                  GetOwnedMonitorInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:+DoEscapeAnalysis -XX:+EliminateAllocations -XX:-EliminateLocks -XX:+EliminateNestedLocks -XX:+UseBiasedLocking -XX:-UseOptoBiasInlining
+ *                  GetOwnedMonitorInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:+DoEscapeAnalysis -XX:-EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:+UseBiasedLocking
+ *                  GetOwnedMonitorInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:-DoEscapeAnalysis -XX:-EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:+UseBiasedLocking
+ *                  GetOwnedMonitorInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:+DoEscapeAnalysis -XX:+EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:-UseBiasedLocking
+ *                  GetOwnedMonitorInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:+DoEscapeAnalysis -XX:-EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:-UseBiasedLocking
+ *                  GetOwnedMonitorInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:-DoEscapeAnalysis -XX:-EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:-UseBiasedLocking
+ *                  GetOwnedMonitorInfoWithEATest
+ */
+
+import jdk.test.lib.Asserts;
+
+public class GetOwnedMonitorInfoWithEATest {
+
+    public static final int COMPILE_THRESHOLD = 20000;
+
+    /**
+     * Native wrapper arround JVMTI's GetOwnedMonitorInfo().
+     * @param t The thread for which the owned monitors information should be retrieved.
+     * @param ownedMonitors Array filled in by the call with the objects associated
+     *        with the monitors owned by the given thread.
+     * @param depths Per owned monitor the depth of the frame were it was locked.
+     *        Filled in by the call
+     * @return Number of monitors owned by the given thread.
+     */
+    public static native int getOwnedMonitorInfo(Thread t, Object[] ownedMonitors);
+
+    public static void main(String[] args) throws Exception {
+        new GetOwnedMonitorInfoWithEATest().runTest();
+    }
+
+    public void runTest() throws Exception {
+        new TestCase_1().run();
+        new TestCase_2().run();
+    }
+
+    public static abstract class TestCaseBase implements Runnable {
+
+        public long checkSum;
+        public boolean doLoop;
+        public volatile long loopCount;
+        public volatile boolean targetIsInLoop;
+
+        public void run() {
+            try {
+                msgHL("Executing test case " + getClass().getName());
+                warmUp();
+                runTest();
+            } catch (Exception e) {
+                Asserts.fail("Unexpected Exception", e);
+            }
+        }
+
+        public void warmUp() {
+            int callCount = COMPILE_THRESHOLD + 1000;
+            doLoop = true;
+            while (callCount-- > 0) {
+                dontinline_testMethod();
+            }
+        }
+
+        public abstract void runTest() throws Exception;
+        public abstract void dontinline_testMethod();
+
+        public long dontinline_endlessLoop() {
+            long cs = checkSum;
+            while (doLoop && loopCount-- > 0) {
+                targetIsInLoop = true;
+                checkSum += checkSum % ++cs;
+            }
+            loopCount = 3;
+            targetIsInLoop = false;
+            return checkSum;
+        }
+
+        public void waitUntilTargetThreadHasEnteredEndlessLoop() throws Exception {
+            while(!targetIsInLoop) {
+                msg("Target has not yet entered the loop. Sleep 200ms.");
+                try { Thread.sleep(200); } catch (InterruptedException e) { /*ignore */ }
+            }
+            msg("Target has entered the loop.");
+        }
+
+        public void terminateEndlessLoop() throws Exception {
+            msg("Terminate endless loop");
+            do {
+                doLoop = false;
+            } while(targetIsInLoop);
+        }
+
+        public void msg(String m) {
+            System.out.println();
+            System.out.println("### " + m);
+            System.out.println();
+        }
+
+        public void msgHL(String m) {
+            System.out.println();
+            System.out.println("#####################################################");
+            System.out.println("### " + m);
+            System.out.println("###");
+            System.out.println();
+        }
+    }
+
+    /**
+     * Starts target thread T and then queries monitor information for T using JVMTI's GetOwnedMonitorInfo().
+     * With escape analysis enabled the jit compiled method {@link #dontinline_testMethod()} has
+     * scalar replaced objects with eliminated (nested) locking in scope when the monitor
+     * information is retrieved. Effectively the objects escape through the JVMTI call. This works
+     * only with RFE 8227745. Without it escape analysis needs to be disabled.
+     */
+    public static class TestCase_1 extends TestCaseBase {
+
+        public void runTest() throws Exception {
+            loopCount = 1L << 62; // endless loop
+            Thread t1 = new Thread(() -> dontinline_testMethod(), "Target Thread");
+            t1.start();
+            try {
+                waitUntilTargetThreadHasEnteredEndlessLoop();
+                int expectedMonitorCount = 1;
+                int resultSize = expectedMonitorCount + 3;
+                Object[] ownedMonitors = new Object[resultSize];
+                msg("Get monitor info");
+                int monitorCount = getOwnedMonitorInfo(t1, ownedMonitors);
+                terminateEndlessLoop();
+                t1.join();
+                Asserts.assertGreaterThanOrEqual(monitorCount, 0, "getOwnedMonitorsFor() call failed");
+                msg("Monitor info:");
+                for (int i = 0; i < monitorCount; i++) {
+                    System.out.println(i + ": cls=" + (ownedMonitors[i] != null ? ownedMonitors[i].getClass() : null));
+                }
+                Asserts.assertEQ(monitorCount, expectedMonitorCount, "unexpected monitor count returned by getOwnedMonitorsFor()");
+                Asserts.assertNotNull(ownedMonitors[0]);
+                Asserts.assertSame(ownedMonitors[0].getClass(), LockCls.class);
+            } finally {
+                terminateEndlessLoop();
+                t1.join();
+            }
+        }
+
+        public void dontinline_testMethod() {
+            LockCls l1 = new LockCls();        // to be scalar replaced
+            synchronized (l1) {
+                inlinedTestMethodWithNestedLocking(l1);
+            }
+        }
+
+        public void inlinedTestMethodWithNestedLocking(LockCls l1) {
+            synchronized (l1) {              // nested
+                dontinline_endlessLoop();
+            }
+        }
+    }
+
+    /**
+     * Similar to {@link TestCase_1}. Additionally the target thread T has got eliminated locking
+     * for a synchronized method of a different type {@linkplain LockCls2}.
+     */
+    public static class TestCase_2 extends TestCaseBase {
+
+        public void runTest() throws Exception {
+            loopCount = 1L << 62; // endless loop
+            Thread t1 = new Thread(() -> dontinline_testMethod(), "Target Thread");
+            t1.start();
+            try {
+                waitUntilTargetThreadHasEnteredEndlessLoop();
+                int expectedMonitorCount = 2;
+                int resultSize = expectedMonitorCount + 3;
+                Object[] ownedMonitors = new Object[resultSize];
+                msg("Get monitor info");
+                int monitorCount = getOwnedMonitorInfo(t1, ownedMonitors);
+                terminateEndlessLoop();
+                t1.join();
+                Asserts.assertGreaterThanOrEqual(monitorCount, 0, "getOwnedMonitorsFor() call failed");
+                msg("Monitor info:");
+                for (int i = 0; i < monitorCount; i++) {
+                    System.out.println(i + ": cls=" + (ownedMonitors[i] != null ? ownedMonitors[i].getClass() : null));
+                }
+                Asserts.assertEQ(monitorCount, expectedMonitorCount, "unexpected monitor count returned by getOwnedMonitorsFor()");
+                Asserts.assertNotNull(ownedMonitors[0]);
+                Asserts.assertSame(ownedMonitors[0].getClass(), LockCls2.class);
+
+                Asserts.assertNotNull(ownedMonitors[1]);
+                Asserts.assertSame(ownedMonitors[1].getClass(), LockCls.class);
+            } finally {
+                terminateEndlessLoop();
+                t1.join();
+            }
+        }
+
+        public void dontinline_testMethod() {
+            LockCls l1 = new LockCls();
+            synchronized (l1) {
+                inlinedTestMethodWithNestedLocking(l1);
+            }
+        }
+
+        public void inlinedTestMethodWithNestedLocking(LockCls l1) {
+            synchronized (l1) {
+                dontinline_testMethod2();
+            }
+        }
+
+        public void dontinline_testMethod2() {
+            // Call synchronized method. Receiver of the call will be scalar replaced,
+            // and locking will be eliminated. Here we use a different type.
+            new LockCls2().inline_synchronized_testMethod(this);
+        }
+    }
+
+    public static class LockCls {
+    }
+
+    public static class LockCls2 {
+        public synchronized void inline_synchronized_testMethod(TestCaseBase testCase) {
+            testCase.dontinline_endlessLoop();
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/jvmti/GetOwnedMonitorInfo/libGetOwnedMonitorInfoWithEATest.c	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,166 @@
+/*
+ * Copyright (c) 2019 SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "jvmti.h"
+#include "jni.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef JNI_ENV_ARG
+
+#ifdef __cplusplus
+#define JNI_ENV_ARG(x, y) y
+#define JNI_ENV_PTR(x) x
+#else
+#define JNI_ENV_ARG(x,y) x, y
+#define JNI_ENV_PTR(x) (*x)
+#endif
+
+#endif
+
+#define FAILED -1
+
+static jvmtiEnv *jvmti;
+
+static jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved);
+
+static void ShowErrorMessage(jvmtiEnv *jvmti, jvmtiError errCode, const char *message) {
+    char *errMsg;
+    jvmtiError result;
+
+    result = (*jvmti)->GetErrorName(jvmti, errCode, &errMsg);
+    if (result == JVMTI_ERROR_NONE) {
+        fprintf(stderr, "%s: %s (%d)\n", message, errMsg, errCode);
+        (*jvmti)->Deallocate(jvmti, (unsigned char *)errMsg);
+    } else {
+        fprintf(stderr, "%s (%d)\n", message, errCode);
+    }
+}
+
+JNIEXPORT jint JNICALL
+Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+
+JNIEXPORT jint JNICALL
+Agent_OnAttach(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+
+JNIEXPORT jint JNICALL
+JNI_OnLoad(JavaVM *jvm, void *reserved) {
+    jint res;
+    JNIEnv *env;
+
+    res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &env),
+                                   JNI_VERSION_9);
+    if (res != JNI_OK || env == NULL) {
+        fprintf(stderr, "Error: GetEnv call failed(%d)!\n", res);
+        return JNI_ERR;
+    }
+
+    return JNI_VERSION_9;
+}
+
+static
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+    jint res;
+    jvmtiError err;
+    jvmtiCapabilities caps;
+
+    printf("Agent_OnLoad started\n");
+
+    memset(&caps, 0, sizeof(caps));
+
+    res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
+                                   JVMTI_VERSION_9);
+    if (res != JNI_OK || jvmti == NULL) {
+        fprintf(stderr, "Error: wrong result of a valid call to GetEnv!\n");
+        return JNI_ERR;
+    }
+
+    caps.can_get_owned_monitor_info = 1;
+
+    err = (*jvmti)->AddCapabilities(jvmti, &caps);
+    if (err != JVMTI_ERROR_NONE) {
+        ShowErrorMessage(jvmti, err,
+                         "Agent_OnLoad: error in JVMTI AddCapabilities");
+        return JNI_ERR;
+    }
+
+    err = (*jvmti)->GetCapabilities(jvmti, &caps);
+    if (err != JVMTI_ERROR_NONE) {
+        ShowErrorMessage(jvmti, err,
+                         "Agent_OnLoad: error in JVMTI GetCapabilities");
+        return JNI_ERR;
+    }
+
+    if (!caps.can_get_owned_monitor_info) {
+        fprintf(stderr, "Warning: GetOwnedMonitorInfo is not implemented\n");
+        return JNI_ERR;
+    }
+
+    printf("Agent_OnLoad finished\n");
+    return JNI_OK;
+}
+
+JNIEXPORT jint JNICALL
+Java_GetOwnedMonitorInfoWithEATest_getOwnedMonitorInfo(JNIEnv *env, jclass cls, jobject targetThread, jobjectArray resOwnedMonitors) {
+    jvmtiError err;
+    jvmtiThreadInfo threadInfo;
+    jint monitorCount;
+    jobject* monitors;
+    jint idx;
+
+    err = (*jvmti)->GetThreadInfo(jvmti, targetThread, &threadInfo);
+    if (err != JVMTI_ERROR_NONE) {
+        ShowErrorMessage(jvmti, err,
+                "getOwnedMonitorsFor: error in JVMTI GetThreadInfo");
+        return FAILED;
+    }
+
+    err = (*jvmti)->GetOwnedMonitorInfo(jvmti, targetThread, &monitorCount, &monitors);
+    if (err != JVMTI_ERROR_NONE) {
+        ShowErrorMessage(jvmti, err,
+                "getOwnedMonitorsFor: error in JVMTI GetOwnedMonitorInfo");
+        return FAILED;
+    }
+
+    printf("getOwnedMonitorsFor: %s owns %d monitor(s)\n", threadInfo.name, monitorCount);
+
+    for (idx = 0; idx < monitorCount; idx++) {
+      (*env)->SetObjectArrayElement(env, resOwnedMonitors, idx, monitors[idx]);
+    }
+
+    (*jvmti)->Deallocate(jvmti, (unsigned char *) monitors);
+    (*jvmti)->Deallocate(jvmti, (unsigned char *) threadInfo.name);
+    return monitorCount;
+}
+
+#ifdef __cplusplus
+}
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/jvmti/GetOwnedMonitorStackDepthInfo/GetOwnedMonitorStackDepthInfoWithEATest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,330 @@
+/*
+ * Copyright (c) 2019 SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8230677
+ * @summary Test JVMTI's GetOwnedMonitorStackDepthInfo with scalar replaced objects and eliminated locks on stack (optimizations based on escape analysis).
+ * @comment Without RFE 8227745 escape analysis needs to be switched off to pass the test. For the implementation of RFE 8227745 it serves as a regression test.
+ * @requires (vm.compMode != "Xcomp" & vm.compiler2.enabled)
+ * @library /test/lib
+ * @compile GetOwnedMonitorStackDepthInfoWithEATest.java
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorStackDepthInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:+DoEscapeAnalysis -XX:+EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:+UseBiasedLocking
+ *                  GetOwnedMonitorStackDepthInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorStackDepthInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:+DoEscapeAnalysis -XX:+EliminateAllocations -XX:-EliminateLocks -XX:+EliminateNestedLocks -XX:+UseBiasedLocking -XX:-UseOptoBiasInlining
+ *                  GetOwnedMonitorStackDepthInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorStackDepthInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:+DoEscapeAnalysis -XX:-EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:+UseBiasedLocking
+ *                  GetOwnedMonitorStackDepthInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorStackDepthInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:-DoEscapeAnalysis -XX:-EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:+UseBiasedLocking
+ *                  GetOwnedMonitorStackDepthInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorStackDepthInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:+DoEscapeAnalysis -XX:+EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:-UseBiasedLocking
+ *                  GetOwnedMonitorStackDepthInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorStackDepthInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:+DoEscapeAnalysis -XX:-EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:-UseBiasedLocking
+ *                  GetOwnedMonitorStackDepthInfoWithEATest
+ * @run main/othervm/native
+ *                  -agentlib:GetOwnedMonitorStackDepthInfoWithEATest
+ *                  -XX:+UnlockDiagnosticVMOptions
+ *                  -Xms128m -Xmx128m
+ *                  -XX:CompileCommand=dontinline,*::dontinline_*
+ *                  -XX:+PrintCompilation
+ *                  -XX:+PrintInlining
+ *                  -XX:-TieredCompilation
+ *                  -Xbatch
+ *                  -XX:CICompilerCount=1
+ *                  -XX:-DoEscapeAnalysis -XX:-EliminateAllocations -XX:+EliminateLocks -XX:+EliminateNestedLocks -XX:-UseBiasedLocking
+ *                  GetOwnedMonitorStackDepthInfoWithEATest
+ */
+
+import jdk.test.lib.Asserts;
+
+public class GetOwnedMonitorStackDepthInfoWithEATest {
+
+    public static final int COMPILE_THRESHOLD = 20000;
+
+    /**
+     * Native wrapper arround JVMTI's GetOwnedMonitorStackDepthInfo().
+     * @param t The thread for which the owned monitors information should be retrieved.
+     * @param ownedMonitors Array filled in by the call with the objects associated
+     *        with the monitors owned by the given thread.
+     * @param depths Per owned monitor the depth of the frame were it was locked.
+     *        Filled in by the call
+     * @return Number of monitors owned by the given thread.
+     */
+    public static native int getOwnedMonitorStackDepthInfo(Thread t, Object[] ownedMonitors, int[] depths);
+
+    public static void main(String[] args) throws Exception {
+        new GetOwnedMonitorStackDepthInfoWithEATest().runTest();
+    }
+
+    public void runTest() throws Exception {
+        new TestCase_1().run();
+        new TestCase_2().run();
+    }
+
+    public static abstract class TestCaseBase implements Runnable {
+
+        public long checkSum;
+        public boolean doLoop;
+        public volatile long loopCount;
+        public volatile boolean targetIsInLoop;
+
+        public void run() {
+            try {
+                msgHL("Executing test case " + getClass().getName());
+                warmUp();
+                runTest();
+            } catch (Exception e) {
+                Asserts.fail("Unexpected Exception", e);
+            }
+        }
+
+        public void warmUp() {
+            int callCount = COMPILE_THRESHOLD + 1000;
+            doLoop = true;
+            while (callCount-- > 0) {
+                dontinline_testMethod();
+            }
+        }
+
+        public abstract void runTest() throws Exception;
+        public abstract void dontinline_testMethod();
+
+        public long dontinline_endlessLoop() {
+            long cs = checkSum;
+            while (doLoop && loopCount-- > 0) {
+                targetIsInLoop = true;
+                checkSum += checkSum % ++cs;
+            }
+            loopCount = 3;
+            targetIsInLoop = false;
+            return checkSum;
+        }
+
+        public void waitUntilTargetThreadHasEnteredEndlessLoop() throws Exception {
+            while(!targetIsInLoop) {
+                msg("Target has not yet entered the loop. Sleep 200ms.");
+                try { Thread.sleep(200); } catch (InterruptedException e) { /*ignore */ }
+            }
+            msg("Target has entered the loop.");
+        }
+
+        public void terminateEndlessLoop() throws Exception {
+            msg("Terminate endless loop");
+            do {
+                doLoop = false;
+            } while(targetIsInLoop);
+        }
+
+        public void msg(String m) {
+            System.out.println();
+            System.out.println("### " + m);
+            System.out.println();
+        }
+
+        public void msgHL(String m) {
+            System.out.println();
+            System.out.println("#####################################################");
+            System.out.println("### " + m);
+            System.out.println("###");
+            System.out.println();
+        }
+    }
+
+    /**
+     * Starts target thread T and then queries monitor information for T using JVMTI's GetOwnedMonitorStackDepthInfo().
+     * With escape analysis enabled the jit compiled method {@link #dontinline_testMethod()} has
+     * scalar replaced objects with eliminated (nested) locking in scope when the monitor
+     * information is retrieved. Effectively the objects escape through the JVMTI call. This works
+     * only with RFE 8227745. Without it escape analysis needs to be disabled.
+     */
+    public static class TestCase_1 extends TestCaseBase {
+
+        public void runTest() throws Exception {
+            loopCount = 1L << 62; // endless loop
+            Thread t1 = new Thread(() -> dontinline_testMethod(), "Target Thread");
+            try {
+                t1.start();
+                waitUntilTargetThreadHasEnteredEndlessLoop();
+                int expectedMonitorCount = 1;
+                int resultSize = expectedMonitorCount + 3;
+                Object[] ownedMonitors = new Object[resultSize];
+                int[]    depths = new int[resultSize];
+                msg("Get monitor info");
+                int monitorCount = getOwnedMonitorStackDepthInfo(t1, ownedMonitors, depths);
+                Asserts.assertGreaterThanOrEqual(monitorCount, 0, "getOwnedMonitorsFor() call failed");
+                msg("Monitor info:");
+                for (int i = 0; i < monitorCount; i++) {
+                    System.out.println(i + ": cls=" + (ownedMonitors[i] != null ? ownedMonitors[i].getClass() : null) + " depth=" + depths[i]);
+                }
+                Asserts.assertEQ(monitorCount, expectedMonitorCount, "unexpected monitor count returned by getOwnedMonitorsFor()");
+                Asserts.assertNotNull(ownedMonitors[0]);
+                Asserts.assertSame(ownedMonitors[0].getClass(), LockCls.class);
+                Asserts.assertEQ(depths[0], 1, "unexpected depth for owned monitor at index 0");
+            } finally {
+                terminateEndlessLoop();
+                t1.join();
+            }
+        }
+
+        public void dontinline_testMethod() {
+            LockCls l1 = new LockCls();        // to be scalar replaced
+            synchronized (l1) {
+                inlinedTestMethodWithNestedLocking(l1);
+            }
+        }
+
+        public void inlinedTestMethodWithNestedLocking(LockCls l1) {
+            synchronized (l1) {              // nested
+                dontinline_endlessLoop();
+            }
+        }
+    }
+
+    /**
+     * Similar to {@link TestCase_1}. Additionally the target thread T has got eliminated locking
+     * for a synchronized method of a different type {@linkplain LockCls2}.
+     */
+    public static class TestCase_2 extends TestCaseBase {
+
+        public void runTest() throws Exception {
+            loopCount = 1L << 62; // endless loop
+            Thread t1 = new Thread(() -> dontinline_testMethod(), "Target Thread");
+            t1.start();
+            try {
+                waitUntilTargetThreadHasEnteredEndlessLoop();
+                int expectedMonitorCount = 2;
+                int resultSize = expectedMonitorCount + 3;
+                Object[] ownedMonitors = new Object[resultSize];
+                int[]    depths = new int[resultSize];
+                msg("Get monitor info");
+                int monitorCount = getOwnedMonitorStackDepthInfo(t1, ownedMonitors, depths);
+                terminateEndlessLoop();
+                t1.join();
+                Asserts.assertGreaterThanOrEqual(monitorCount, 0, "getOwnedMonitorsFor() call failed");
+                msg("Monitor info:");
+                for (int i = 0; i < monitorCount; i++) {
+                    System.out.println(i + ": cls=" + (ownedMonitors[i] != null ? ownedMonitors[i].getClass() : null) + " depth=" + depths[i]);
+                }
+                Asserts.assertEQ(monitorCount, expectedMonitorCount, "unexpected monitor count returned by getOwnedMonitorsFor()");
+                Asserts.assertNotNull(ownedMonitors[0]);
+                Asserts.assertSame(ownedMonitors[0].getClass(), LockCls2.class);
+                Asserts.assertEQ(depths[0], 1, "unexpected depth for owned monitor at index 0");
+
+                Asserts.assertNotNull(ownedMonitors[1]);
+                Asserts.assertSame(ownedMonitors[1].getClass(), LockCls.class);
+                Asserts.assertEQ(depths[1], 3, "unexpected depth for owned monitor at index 1");
+            } finally {
+                terminateEndlessLoop();
+                t1.join();
+            }
+        }
+
+        public void dontinline_testMethod() {
+            LockCls l1 = new LockCls();
+            synchronized (l1) {
+                inlinedTestMethodWithNestedLocking(l1);
+            }
+        }
+
+        public void inlinedTestMethodWithNestedLocking(LockCls l1) {
+            synchronized (l1) {
+                dontinline_testMethod2();
+            }
+        }
+
+        public void dontinline_testMethod2() {
+            // Call synchronized method. Receiver of the call will be scalar replaced,
+            // and locking will be eliminated. Here we use a different type.
+            new LockCls2().inline_synchronized_testMethod(this);
+        }
+    }
+
+    public static class LockCls {
+    }
+
+    public static class LockCls2 {
+        public synchronized void inline_synchronized_testMethod(TestCaseBase testCase) {
+            testCase.dontinline_endlessLoop();
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/jvmti/GetOwnedMonitorStackDepthInfo/libGetOwnedMonitorStackDepthInfoWithEATest.c	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2019 SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "jvmti.h"
+#include "jni.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef JNI_ENV_ARG
+
+#ifdef __cplusplus
+#define JNI_ENV_ARG(x, y) y
+#define JNI_ENV_PTR(x) x
+#else
+#define JNI_ENV_ARG(x,y) x, y
+#define JNI_ENV_PTR(x) (*x)
+#endif
+
+#endif
+
+#define FAILED -1
+
+static jvmtiEnv *jvmti;
+
+static jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved);
+
+static void ShowErrorMessage(jvmtiEnv *jvmti, jvmtiError errCode, const char *message) {
+    char *errMsg;
+    jvmtiError result;
+
+    result = (*jvmti)->GetErrorName(jvmti, errCode, &errMsg);
+    if (result == JVMTI_ERROR_NONE) {
+        fprintf(stderr, "%s: %s (%d)\n", message, errMsg, errCode);
+        (*jvmti)->Deallocate(jvmti, (unsigned char *)errMsg);
+    } else {
+        fprintf(stderr, "%s (%d)\n", message, errCode);
+    }
+}
+
+JNIEXPORT jint JNICALL
+Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+
+JNIEXPORT jint JNICALL
+Agent_OnAttach(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+
+JNIEXPORT jint JNICALL
+JNI_OnLoad(JavaVM *jvm, void *reserved) {
+    jint res;
+    JNIEnv *env;
+
+    res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &env),
+                                   JNI_VERSION_9);
+    if (res != JNI_OK || env == NULL) {
+        fprintf(stderr, "Error: GetEnv call failed(%d)!\n", res);
+        return JNI_ERR;
+    }
+
+    return JNI_VERSION_9;
+}
+
+static
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+    jint res;
+    jvmtiError err;
+    jvmtiCapabilities caps;
+
+    printf("Agent_OnLoad started\n");
+
+    memset(&caps, 0, sizeof(caps));
+
+    res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
+                                   JVMTI_VERSION_9);
+    if (res != JNI_OK || jvmti == NULL) {
+        fprintf(stderr, "Error: wrong result of a valid call to GetEnv!\n");
+        return JNI_ERR;
+    }
+
+    caps.can_get_owned_monitor_stack_depth_info = 1;
+
+    err = (*jvmti)->AddCapabilities(jvmti, &caps);
+    if (err != JVMTI_ERROR_NONE) {
+        ShowErrorMessage(jvmti, err,
+                         "Agent_OnLoad: error in JVMTI AddCapabilities");
+        return JNI_ERR;
+    }
+
+    err = (*jvmti)->GetCapabilities(jvmti, &caps);
+    if (err != JVMTI_ERROR_NONE) {
+        ShowErrorMessage(jvmti, err,
+                         "Agent_OnLoad: error in JVMTI GetCapabilities");
+        return JNI_ERR;
+    }
+
+    if (!caps.can_get_owned_monitor_stack_depth_info) {
+        fprintf(stderr, "Warning: GetOwnedMonitorStackDepthInfo is not implemented\n");
+        return JNI_ERR;
+    }
+
+    printf("Agent_OnLoad finished\n");
+    return JNI_OK;
+}
+
+JNIEXPORT jint JNICALL
+Java_GetOwnedMonitorStackDepthInfoWithEATest_getOwnedMonitorStackDepthInfo(JNIEnv *env, jclass cls, jobject targetThread, jobjectArray ownedMonitors, jintArray depths) {
+    jvmtiError err;
+    jvmtiThreadInfo threadInfo;
+    jint monitorCount;
+    jvmtiMonitorStackDepthInfo* stackDepthInfo;
+    jint* depthsPtr;
+    jint idx = 0;
+
+    err = (*jvmti)->GetThreadInfo(jvmti, targetThread, &threadInfo);
+    if (err != JVMTI_ERROR_NONE) {
+        ShowErrorMessage(jvmti, err,
+                "getOwnedMonitorsFor: error in JVMTI GetThreadInfo");
+        return FAILED;
+    }
+
+    err = (*jvmti)->GetOwnedMonitorStackDepthInfo(jvmti, targetThread, &monitorCount, &stackDepthInfo);
+    if (err != JVMTI_ERROR_NONE) {
+        ShowErrorMessage(jvmti, err,
+                "getOwnedMonitorsFor: error in JVMTI GetOwnedMonitorStackDepthInfo");
+        return FAILED;
+    }
+
+    printf("getOwnedMonitorsFor: %s owns %d monitor(s)\n", threadInfo.name, monitorCount);
+
+    depthsPtr = (*env)->GetIntArrayElements(env, depths, NULL);
+    for (idx = 0; idx < monitorCount; idx++) {
+      (*env)->SetObjectArrayElement(env, ownedMonitors, idx, stackDepthInfo[idx].monitor);
+      depthsPtr[idx] = stackDepthInfo[idx].stack_depth;
+    }
+    (*env)->ReleaseIntArrayElements(env, depths, depthsPtr, 0);
+
+    (*jvmti)->Deallocate(jvmti, (unsigned char *) stackDepthInfo);
+    (*jvmti)->Deallocate(jvmti, (unsigned char *) threadInfo.name);
+    return monitorCount;
+}
+
+#ifdef __cplusplus
+}
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/jvmti/SuspendWithCurrentThread/SuspendWithCurrentThread.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,222 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8231595
+ * @summary [TEST] develop a test case for SuspendThreadList including current thread
+ * @library /test/lib
+ * @compile SuspendWithCurrentThread.java
+ * @run main/othervm/native -agentlib:SuspendWithCurrentThread SuspendWithCurrentThread SuspenderIndex=first
+ * @run main/othervm/native -agentlib:SuspendWithCurrentThread SuspendWithCurrentThread SuspenderIndex=last
+ */
+
+import java.io.PrintStream;
+
+public class SuspendWithCurrentThread {
+    private static final String AGENT_LIB = "SuspendWithCurrentThread";
+    private static final String SUSPENDER_OPT = "SuspenderIndex=";
+    private static final int THREADS_COUNT = 10;
+
+    private static void log(String msg) { System.out.println(msg); }
+
+    private static native void    registerTestedThreads(Thread[] threads);
+    private static native boolean checkTestedThreadsSuspended();
+    private static native void    resumeTestedThreads();
+    private static native void    releaseTestedThreadsInfo();
+
+    // The suspender thread index defines the thread which has to suspend
+    // the tested threads including itself with the JVMTI SuspendThreadList
+    private static int suspenderIndex;
+
+    public static void main(String args[]) throws Exception {
+        try {
+            System.loadLibrary(AGENT_LIB);
+            log("Loaded library: " + AGENT_LIB);
+        } catch (UnsatisfiedLinkError ule) {
+            log("Failed to load library: " + AGENT_LIB);
+            log("java.library.path: " + System.getProperty("java.library.path"));
+            throw ule;
+        }
+        if (args.length != 1) {
+            throw new RuntimeException("Main: wrong arguments count: " + args.length + ", expected: 1");
+        }
+        String arg = args[0];
+        if (arg.equals(SUSPENDER_OPT + "first")) {
+            suspenderIndex = 0;
+        } else if (arg.equals(SUSPENDER_OPT + "last")) {
+            suspenderIndex = THREADS_COUNT - 1;
+        } else {
+            throw new RuntimeException("Main: wrong argument: " + arg + ", expected: SuspenderIndex={first|last}");
+        }
+        log("Main: suspenderIndex: " + suspenderIndex);
+
+        SuspendWithCurrentThread test = new SuspendWithCurrentThread();
+        test.run();
+    }
+
+    private ThreadToSuspend[] startTestedThreads(int threadsCount) throws RuntimeException  {
+        ThreadToSuspend[]threads = new ThreadToSuspend[threadsCount];
+
+        // create tested threads
+        for (int i = 0; i < threads.length; i++) {
+            threads[i] = new ThreadToSuspend("ThreadToSuspend#" + i,
+                                             i == suspenderIndex // isSuspender
+                                            );
+        }
+        log("Main: starting tested threads");
+        for (int i = 0; i < threads.length; i++) {
+            threads[i].start();
+            if (!threads[i].checkReady()) {
+                throw new RuntimeException("Main: unable to prepare tested thread: " + threads[i]);
+            }
+        }
+        log("Main: tested threads started");
+
+        registerTestedThreads(threads);
+        return threads;
+    }
+
+    private boolean checkSuspendedStatus() throws RuntimeException  {
+        log("Main: checking all tested threads have been suspended");
+        return checkTestedThreadsSuspended();
+    }
+
+    /* The test does the following steps:
+     *  - main thread starts several (THREADS_COUNT) ThreadToSuspend tested threads
+     *  - main thread waits for threads to be ready with the thread.checkReady()
+     *  - main thread registers tested threads within the native agent library
+     *    with the native method registerTestedThreads()
+     *  - main thread triggers the suspender tested thread with the
+     *    ThreadToSuspend.setAllThreadsReady() to suspend tested threads
+     *  - suspender thread suspends tested threads including itself with the native
+     *    method suspendTestedThreads() (uses the JVMTI SuspendThreadList function)
+     *  - main thread checks tested threads suspended status with the native method
+     *    checkSuspendedStatus(); the tested threads are expected to have suspended status
+     *  - main thread resumes tested threads with the native method resumeTestedThreads()
+     *  - main thread releases tested threads with the native method releaseTestedThreads()
+     *  - main thread triggers the tested threads to finish with the thread.letFinish()
+     */
+    private void run() throws Exception {
+        ThreadToSuspend[] threads = null; // tested threads
+
+        log("Main: started");
+        try {
+            threads = startTestedThreads(THREADS_COUNT);
+
+            log("Main: trigger " + threads[suspenderIndex].getName() +
+                " to suspend all tested threads including itself");
+            ThreadToSuspend.setAllThreadsReady();
+
+            if (!checkSuspendedStatus()) {
+                throw new RuntimeException("Main: FAILED status returned from checkTestedThreadsSuspended");
+            }
+
+            log("Main: resuming all tested threads");
+            resumeTestedThreads();
+        } finally {
+            // let threads to finish
+            for (int i = 0; i < threads.length; i++) {
+                threads[i].letFinish();
+            }
+            log("Main: tested threads finished");
+        }
+
+        // wait for threads to finish
+        log("Main: joining tested threads");
+        try {
+            for (int i = 0; i < threads.length; i++) {
+                threads[i].join();
+            }
+            log("Main: tested thread joined");
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+        log("Main: releasing tested threads native info");
+        releaseTestedThreadsInfo();
+
+        log("Main: finished");
+    }
+}
+
+/* =================================================================== */
+
+// tested threads
+class ThreadToSuspend extends Thread {
+    private static void log(String msg) { System.out.println(msg); }
+
+    private static native void init();
+    private static native void suspendTestedThreads();
+    private static volatile boolean allThreadsReady = false;
+
+    public static void setAllThreadsReady() {
+        allThreadsReady = true;
+    }
+
+    private volatile boolean threadReady = false;
+    private volatile boolean shouldFinish = false;
+    private boolean isSuspender = false;
+
+    // make thread with specific name
+    public ThreadToSuspend(String name, boolean isSuspender) {
+        super(name);
+        this.isSuspender = isSuspender;
+    }
+
+    // run thread continuously
+    public void run() {
+        boolean needSuspend = true;
+
+        if (isSuspender) {
+            init();
+        }
+        threadReady = true;
+
+        // run in a loop
+        while (!shouldFinish) {
+            if (isSuspender && needSuspend && allThreadsReady) {
+                log(getName() + ": before suspending all tested threads including myself");
+                needSuspend = false;
+                suspendTestedThreads();
+                log(getName() + ": after suspending all tested threads including myself");
+            }
+        }
+    }
+
+    // check if thread is ready
+    public boolean checkReady() {
+        try {
+            while (!threadReady) {
+                sleep(1);
+            }
+        } catch (InterruptedException e) {
+            throw new RuntimeException("checkReady: sleep was interrupted\n\t" + e);
+        }
+        return threadReady;
+    }
+
+    // let thread to finish
+    public void letFinish() {
+        shouldFinish = true;
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/jvmti/SuspendWithCurrentThread/libSuspendWithCurrentThread.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,209 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <string.h>
+#include "jvmti.h"
+
+extern "C" {
+
+static jvmtiEnv* jvmti = NULL;
+static jthread* threads = NULL;
+static jsize threads_count = 0;
+static jrawMonitorID agent_monitor = NULL;
+
+#define LOG(...) \
+  do { \
+    printf(__VA_ARGS__); \
+    printf("\n"); \
+    fflush(stdout); \
+  } while (0)
+
+static void
+check_jvmti_status(JNIEnv* jni, jvmtiError err, const char* msg) {
+  if (err != JVMTI_ERROR_NONE) {
+    LOG("check_jvmti_status: JVMTI function returned error: %d", err);
+    jni->FatalError(msg);
+  }
+}
+
+static void
+agent_lock(JNIEnv* jni) {
+  jvmtiError err = jvmti->RawMonitorEnter(agent_monitor);
+  check_jvmti_status(jni, err, "monitor_enter: error in JVMTI RawMonitorEnter");
+}
+
+static void
+agent_unlock(JNIEnv* jni) {
+  jvmtiError err = jvmti->RawMonitorExit(agent_monitor);
+  check_jvmti_status(jni, err, "monitor_exit: error in JVMTI RawMonitorExit");
+}
+
+JNIEXPORT void JNICALL
+Java_SuspendWithCurrentThread_registerTestedThreads(JNIEnv *jni, jclass cls, jobjectArray threadsArr) {
+  LOG("\nregisterTestedThreads: started");
+  threads_count = jni->GetArrayLength(threadsArr);
+
+  jvmtiError err = jvmti->Allocate((threads_count * sizeof(jthread)),
+                                   (unsigned char**)&threads);
+  check_jvmti_status(jni, err, "registerTestedThreads: error in JVMTI Allocate threads array");
+
+  for (int i = 0; i < threads_count; i++) {
+    jobject elem = jni->GetObjectArrayElement(threadsArr, i);
+    threads[i] = (jthread)jni->NewGlobalRef(elem);
+  }
+  LOG("registerTestedThreads: finished\n");
+}
+
+/* This function is executed on the suspender thread, not the Main thread */
+JNIEXPORT void JNICALL
+Java_ThreadToSuspend_init(JNIEnv *jni, jclass cls) {
+  jvmtiError err = jvmti->CreateRawMonitor("Agent monitor", &agent_monitor);
+  check_jvmti_status(jni, err, "Java_ThreadToSuspend_init: error in JVMTI CreateRawMonitor");
+
+  // Main thread has to wait for the suspender thread to complete tested threads suspension
+  agent_lock(jni);
+}
+
+/* This function is executed on the suspender thread which is not Main thread */
+JNIEXPORT void JNICALL
+Java_ThreadToSuspend_suspendTestedThreads(JNIEnv *jni, jclass cls) {
+  jvmtiError* results = NULL;
+  jvmtiError err;
+
+  LOG("\nsuspendTestedThreads: started");
+  err = jvmti->Allocate((threads_count * sizeof(jvmtiError)),
+                        (unsigned char**)&results);
+  check_jvmti_status(jni, err, "suspendTestedThreads: error in JVMTI Allocate results array");
+
+  LOG("suspendTestedThreads: before JVMTI SuspendThreadList");
+  err = jvmti->SuspendThreadList(threads_count, threads, results);
+  check_jvmti_status(jni, err, "suspendTestedThreads: error in JVMTI SuspendThreadList");
+
+  LOG("suspendTestedThreads: check and print SuspendThreadList results:");
+  for (int i = 0; i < threads_count; i++) {
+    LOG("  thread #%d: (%d)", i, (int)results[i]);
+    check_jvmti_status(jni, results[i], "suspendTestedThreads: error in SuspendThreadList results[i]");
+  }
+  LOG("suspendTestedThreads: finished\n");
+
+  // Allow the Main thread to inspect the result of tested threads suspension
+  agent_unlock(jni);
+
+  err = jvmti->Deallocate((unsigned char*)results);
+  check_jvmti_status(jni, err, "suspendTestedThreads: error in JVMTI Deallocate results");
+}
+
+JNIEXPORT jboolean JNICALL
+Java_SuspendWithCurrentThread_checkTestedThreadsSuspended(JNIEnv *jni, jclass cls) {
+  LOG("checkTestedThreadsSuspended: started");
+
+  // Block until the suspender thread competes the tested threads suspension
+  agent_lock(jni);
+  agent_unlock(jni);
+
+  for (int i = 0; i < threads_count; i++) {
+    jint state = 0;
+    jvmtiError err = jvmti->GetThreadState(threads[i], &state);
+    check_jvmti_status(jni, err, "checkTestedThreadsSuspended: error in GetThreadState");
+
+    if ((state & JVMTI_THREAD_STATE_SUSPENDED) == 0) {
+      LOG("thread #%d has not been suspended yet: "
+             "#   state: (%#x)", i, (int)state);
+      jni->FatalError("checkTestedThreadsSuspended: error: expected all tested threads suspended");
+    }
+  }
+  LOG("checkTestedThreadsSuspended: finished\n");
+  return JNI_TRUE;
+}
+
+JNIEXPORT void JNICALL
+Java_SuspendWithCurrentThread_resumeTestedThreads(JNIEnv *jni, jclass cls) {
+  jvmtiError* results = NULL;
+  jvmtiError err;
+
+  LOG("\nresumeTestedThreads: started");
+  err = jvmti->Allocate((threads_count * sizeof(jvmtiError)),
+                        (unsigned char**)&results);
+  check_jvmti_status(jni, err, "resumeTestedThreads: error in JVMTI Allocate results array");
+
+  LOG("resumeTestedThreads: before JVMTI ResumeThreadList");
+  err = jvmti->ResumeThreadList(threads_count, threads, results);
+  check_jvmti_status(jni, err, "resumeTestedThreads: error in ResumeThreadList");
+
+  LOG("resumeTestedThreads: check and print ResumeThreadList results:");
+  for (int i = 0; i < threads_count; i++) {
+    LOG("  thread #%d: (%d)", i, (int)results[i]);
+    check_jvmti_status(jni, results[i], "resumeTestedThreads: error in ResumeThreadList results[i]");
+  }
+
+  err = jvmti->Deallocate((unsigned char*)results);
+  check_jvmti_status(jni, err, "resumeTestedThreads: error in JVMTI Deallocate results");
+
+  LOG("resumeTestedThreads: finished\n");
+}
+
+JNIEXPORT void JNICALL
+Java_SuspendWithCurrentThread_releaseTestedThreadsInfo(JNIEnv *jni, jclass cls) {
+  jvmtiError err;
+
+  LOG("\nreleaseTestedThreadsInfo: started");
+  err = jvmti->DestroyRawMonitor(agent_monitor);
+  check_jvmti_status(jni, err, "releaseTestedThreadsInfo: error in JVMTI DestroyRawMonitor");
+
+  for (int i = 0; i < threads_count; i++) {
+    if (threads[i] != NULL) {
+      jni->DeleteGlobalRef(threads[i]);
+    }
+  }
+  err = jvmti->Deallocate((unsigned char*)threads);
+  check_jvmti_status(jni, err, "releaseTestedThreadsInfo: error in JVMTI Deallocate threads");
+
+  LOG("releaseTestedThreadsInfo: finished\n");
+}
+
+
+/** Agent library initialization. */
+
+JNIEXPORT jint JNICALL
+Agent_OnLoad(JavaVM *jvm, char *options, void *reserved) {
+  LOG("\nAgent_OnLoad started");
+
+  // create JVMTI environment
+  if (jvm->GetEnv((void **) (&jvmti), JVMTI_VERSION) != JNI_OK) {
+    return JNI_ERR;
+  }
+
+  // add specific capabilities for suspending thread
+  jvmtiCapabilities suspendCaps;
+  memset(&suspendCaps, 0, sizeof(suspendCaps));
+  suspendCaps.can_suspend = 1;
+
+  jvmtiError err = jvmti->AddCapabilities(&suspendCaps);
+  if (err != JVMTI_ERROR_NONE) {
+    return JNI_ERR;
+  }
+  LOG("Agent_OnLoad finished\n");
+  return JNI_OK;
+}
+
+}
--- a/test/hotspot/jtreg/serviceability/logging/TestQuotedLogOutputs.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/serviceability/logging/TestQuotedLogOutputs.java	Wed Oct 16 15:31:05 2019 +0200
@@ -26,6 +26,7 @@
  * @summary Ensure proper parsing of quoted output names for -Xlog arguments.
  * @modules java.base/jdk.internal.misc
  * @library /test/lib
+ * @run main/othervm TestQuotedLogOutputs
  */
 
 import java.io.File;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/sa/ClhsdbJstackXcompStress.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2019, Red Hat Inc. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+import jdk.test.lib.JDKToolLauncher;
+import jdk.test.lib.Utils;
+import jdk.test.lib.apps.LingeredApp;
+import jdk.test.lib.process.OutputAnalyzer;
+
+/**
+ * @test
+ * @bug 8196969
+ * @requires vm.hasSAandCanAttach
+ * @library /test/lib
+ * @run main/othervm ClhsdbJstackXcompStress
+ */
+public class ClhsdbJstackXcompStress {
+
+    private static final int MAX_ITERATIONS = 20;
+    private static final boolean DEBUG = false;
+
+    private static boolean isMatchCompiledFrame(List<String> output) {
+        List<String> filtered = output.stream().filter( s -> s.contains("Compiled frame"))
+                                               .collect(Collectors.toList());
+        System.out.println("DEBUG: " + filtered);
+        return !filtered.isEmpty() &&
+               filtered.stream().anyMatch( s -> s.contains("LingeredAppWithRecComputation") );
+    }
+
+    private static void runJstackInLoop(LingeredApp app) throws Exception {
+        boolean anyMatchedCompiledFrame = false;
+        for (int i = 0; i < MAX_ITERATIONS; i++) {
+            JDKToolLauncher launcher = JDKToolLauncher
+                    .createUsingTestJDK("jhsdb");
+            launcher.addToolArg("jstack");
+            launcher.addToolArg("--pid");
+            launcher.addToolArg(Long.toString(app.getPid()));
+
+            ProcessBuilder pb = new ProcessBuilder();
+            pb.command(launcher.getCommand());
+            Process jhsdb = pb.start();
+            OutputAnalyzer out = new OutputAnalyzer(jhsdb);
+
+            jhsdb.waitFor();
+
+            if (DEBUG) {
+                System.out.println(out.getStdout());
+                System.err.println(out.getStderr());
+            }
+
+            out.stderrShouldBeEmpty(); // NPE's are reported on the err stream
+            out.stdoutShouldNotContain("Error occurred during stack walking:");
+            out.stdoutShouldContain(LingeredAppWithRecComputation.THREAD_NAME);
+            List<String> stdoutList = Arrays.asList(out.getStdout().split("\\R"));
+            anyMatchedCompiledFrame = anyMatchedCompiledFrame || isMatchCompiledFrame(stdoutList);
+        }
+        if (!anyMatchedCompiledFrame) {
+             throw new RuntimeException("Expected jstack output to contain 'Compiled frame'");
+        }
+        System.out.println("DEBUG: jhsdb jstack did not throw NPE, as expected.");
+    }
+
+    public static void main(String... args) throws Exception {
+        LingeredApp app = null;
+        try {
+            List<String> vmArgs = List.of("-Xcomp",
+                                          "-XX:CompileCommand=dontinline,LingeredAppWithRecComputation.factorial",
+                                          "-XX:CompileCommand=compileonly,LingeredAppWithRecComputation.testLoop",
+                                          "-XX:CompileCommand=compileonly,LingeredAppWithRecComputation.factorial");
+            app = new LingeredAppWithRecComputation();
+            LingeredApp.startApp(vmArgs, app);
+            System.out.println("Started LingeredAppWithRecComputation with pid " + app.getPid());
+            runJstackInLoop(app);
+            System.out.println("Test Completed");
+        } catch (Throwable e) {
+            e.printStackTrace();
+            throw e;
+        } finally {
+            LingeredApp.stopApp(app);
+        }
+    }
+}
--- a/test/hotspot/jtreg/serviceability/sa/ClhsdbPmap.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/serviceability/sa/ClhsdbPmap.java	Wed Oct 16 15:31:05 2019 +0200
@@ -52,9 +52,8 @@
             List<String> cmds = List.of("pmap");
 
             Map<String, List<String>> expStrMap = new HashMap<>();
-            expStrMap.put("pmap", List.of(
-                    "jvm", "java", "net", "nio",
-                    "jimage", "zip", "verify"));
+            expStrMap.put("pmap",
+                    List.of("jvm", "java", "net", "nio", "jimage", "zip"));
 
             test.run(theApp.getPid(), cmds, expStrMap, null);
         } catch (SkippedException se) {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/sa/LingeredAppWithRecComputation.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2019, Red Hat Inc. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import jdk.test.lib.apps.LingeredApp;
+
+public class LingeredAppWithRecComputation extends LingeredApp {
+
+    public static final String THREAD_NAME = "LingeredAppWithRecComputation.factorial()";
+
+    private long factorial(int n) {
+        if (n <= 1) {
+                return 1;
+        }
+        if (n == 2) {
+                return 2;
+        }
+        return n * factorial(n - 1);
+    }
+
+    public void testLoop() {
+        long result = 0;
+        long[] lastNResults = new long[20];
+        int i = 0;
+        int j = 0;
+        while (true) {
+            result = factorial(i);
+            lastNResults[j] = result;
+            if (i % 12 == 0) {
+                    i = -1; // reset i
+            }
+            if (j % 19 == 0) {
+                    j = -1; // reset j
+            }
+            i++; j++;
+        }
+    }
+
+    public static void main(String args[]) {
+        LingeredAppWithRecComputation app = new LingeredAppWithRecComputation();
+        Thread factorial = new Thread(() -> {
+            app.testLoop();
+        });
+        factorial.setName(THREAD_NAME);
+        factorial.start();
+        LingeredApp.main(args);
+    }
+ }
--- a/test/hotspot/jtreg/serviceability/sa/TestUniverse.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/serviceability/sa/TestUniverse.java	Wed Oct 16 15:31:05 2019 +0200
@@ -86,7 +86,7 @@
             break;
 
         case Shenandoah:
-            expStrings.add("Shenandoah Heap");
+            expStrings.add("Shenandoah heap");
             break;
         }
 
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/CGT.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/CGT.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,245 +22,219 @@
  */
 
 package jit.graph;
-import java.util.*;
+
+import jdk.test.lib.Utils;
+import jtreg.SkippedException;
 import nsk.share.TestFailure;
 import nsk.share.test.StressOptions;
 
-class CGT extends Thread
-{
-  private static StressOptions stressOptions = new StressOptions();
-  private final static String           version = "1.0";
-  private       static String       ClistPath = "";
+import java.lang.reflect.InvocationTargetException;
+import java.util.Vector;
 
-  private static long finishTime;
+public class CGT {
+    private static StressOptions stressOptions = new StressOptions();
+    private static String ClistPath = "";
+    private static long finishTime;
+
+    private final Vector summation = new Vector(100000);
+    private final Vector idList = new Vector(100000);
 
-  public CGT( String[] args )
-  {
-    parse (args);
-    Globals.initialize(ClistPath);
-    outputStats (args);
-  }
+    public CGT(String[] args) {
+        parse(args);
+        Globals.initialize(ClistPath);
+        outputStats(args);
+    }
 
-
-  public static void main( String[] args )
-  {
-    stressOptions.parseCommandLine(args);
-    CGT jnimt = new CGT(args);
-    jnimt.start();
-  }
+    public static void main(String[] args) {
+        stressOptions.parseCommandLine(args);
+        new CGT(args).run();
+    }
 
-  public void outputStats( String[] args )
-  {
-    System.out.println("CGT command line options:");
-    for (int i=0; i < args.length; ++i )
-            System.out.println("# " + args[i] );
-
-    System.out.println();
+    public void outputStats(String[] args) {
+        System.out.println("CGT command line options:");
+        for (String arg : args) {
+            System.out.println("# " + arg);
+        }
 
-    System.out.println("CGT parameters");
-    System.out.println("Seed: " +Globals.RANDOM_SEED);
-    System.out.println("Number of Threads: " +Globals.NUM_THREADS);
-    System.out.println("Number of Random Loop iterations: " + Globals.RANDOM_LOOP);
-    System.out.println("Number of Static Loop iterations: " + Globals.STATIC_LOOP);
-    System.out.println("Max number of Methods in the Graph: " +  Globals.NUM_TEST_CLASSES);
-    System.out.println("Verbose function calls: " + Globals.VERBOSE);
+        System.out.println();
 
-    System.out.println();
-  }
-
-  public void run()
-  {
-    finishTime = System.currentTimeMillis() + stressOptions.getTime() * 1000;
+        System.out.println("CGT parameters");
+        System.out.println("Seed: " + Utils.SEED);
+        System.out.println("Number of Random Loop iterations: " + Globals.RANDOM_LOOP);
+        System.out.println("Number of Static Loop iterations: " + Globals.STATIC_LOOP);
+        System.out.println("Max number of Methods in the Graph: " + Globals.NUM_TEST_CLASSES);
+        System.out.println("Verbose function calls: " + Globals.VERBOSE);
 
-    for (int i = 0; i< Globals.NUM_THREADS; i++)
-      new CGTThread("CGT Thread " + i).start();
-  }
+        System.out.println();
+    }
 
-  public static boolean shouldFinish()
-  {
-     return System.currentTimeMillis() >= finishTime;
-  }
+    public void run() {
+        finishTime = System.currentTimeMillis() + stressOptions.getTime() * 1000;
+        Long numFcalls = Globals.RANDOM_LOOP - 1;
+        Integer staticFcalls = Globals.STATIC_LOOP;
+        MethodData methodCallStr = Globals.nextRandomMethod();
+        Globals.addFunctionIDToVector(methodCallStr.id, idList);
+        Throwable invocationExcept;
 
-  public void parse (String args[])
-  {
-    for (int i = 0; i<args.length; i++)
-      {
-        if ((args[i].equalsIgnoreCase("-help")) || (args[i].equalsIgnoreCase("-h")) || (args[i].equalsIgnoreCase("-?")))
-          {
-            usage ();
-          }
-        else if (args[i].equalsIgnoreCase("-version"))
-          {
-            version();
-          }
-        else if (args[i].equalsIgnoreCase("-seed"))
-          {
-            int argIndex = i+1;
-            if (argIndex < args.length)
-              {
-                try
-                  {
-                    Globals.RANDOM_SEED = Math.abs(Long.parseLong(args[argIndex]));
-                  }
-                catch (NumberFormatException e)
-                  {
-                    System.out.println("Improper Argument: " + args[i] + " " + args[argIndex]);
-                    usage ();
-                  }
-                i++;
-              }
-            else
-              {
-                System.out.println("Improper Argument: " + args[i]);
-                usage ();
-              }
+        try {
+            methodCallStr.nextMethod.invoke(methodCallStr.instance, summation, idList, numFcalls, staticFcalls);
+        } catch (IllegalAccessException e) {
+            throw new TestFailure("Illegal Access Exception", e);
+        } catch (InvocationTargetException e) {
+            System.out.println("Invocation Target Exception");
+            invocationExcept = e.getTargetException();
+            System.out.println(invocationExcept);
+            if (invocationExcept.getClass() == e.getClass()) {
+                System.out.println("Processing Exception Invocation Target Exception");
+                while (invocationExcept.getClass() == e.getClass()) {
+                    invocationExcept = ((InvocationTargetException) invocationExcept).getTargetException();
+                }
+                System.out.println(invocationExcept);
+            }
+            if (invocationExcept instanceof StackOverflowError) {
+                throw new SkippedException("stack overflow: skipping verification.", invocationExcept);
+            } else if (invocationExcept instanceof OutOfMemoryError) {
+                throw new SkippedException("test devoured heap ;), skipping verification.", invocationExcept);
+            } else {
+                throw new TestFailure(invocationExcept);
+            }
+        }
+
+        verify();
+    }
 
-          }
-        else if ((args[i].equalsIgnoreCase("-thread")) || (args[i].equalsIgnoreCase("-threads")))
-          {
-            int argIndex = i+1;
-            if (argIndex < args.length)
-              {
-                try
-                  {
-                    Globals.NUM_THREADS = Math.abs(Integer.parseInt(args[argIndex])) * stressOptions.getThreadsFactor();
-                  }
-                catch (NumberFormatException e)
-                  {
-                    System.out.println("Improper Argument: " + args[i] + " " + args[argIndex]);
-                    usage ();
-                  }
-                if(Globals.NUM_THREADS == 0)
-                  Globals.NUM_THREADS = 1;
-                i++;
-              }
-            else
-              {
-                System.out.println("Improper Argument: " + args[i]);
-                usage ();
-              }
+    private void verify() {
+        long oldsum = 0;
+        long newsum;
+        System.out.println("begin call stack validation");
+        if (summation.size() != idList.size()) {
+            throw new TestFailure("Vector Length's Do Not Match, VERIFY ERROR : Summation Element Count = " + summation.size() + " ID Element Count = " + idList.size());
+        }
+        long vectorSize = summation.size();
+
+        while (!summation.isEmpty()) {
+            if (CGT.shouldFinish()) {
+                throw new SkippedException("skipping verification due to timeout");
+            }
+
+            newsum = (Long) summation.firstElement();
+            summation.removeElementAt(0);
+
+            int functionID = (Integer) idList.firstElement();
+            idList.removeElementAt(0);
+
+            if ((newsum - oldsum) != (functionID)) {
+                throw new TestFailure("Function Call structure invalid, VERIFY ERROR. Expected = " + (newsum - oldsum) + " Actual = " + functionID);
+            }
+            oldsum = newsum;
+        }
+
+        System.out.println("function call structure validated successfully (" + vectorSize + " calls validated)");
+    }
 
-          }
-        else if (args[i].equalsIgnoreCase("-staticLoop"))
-          {
-            int argIndex = i+1;
-            if (argIndex < args.length)
-              {
-                try
-                  {
-                    Globals.STATIC_LOOP = Math.abs(Integer.parseInt(args[argIndex])) * stressOptions.getIterationsFactor();
-                  }
-                catch (NumberFormatException e)
-                  {
-                    System.out.println("Improper Argument: " + args[i] + " " + args[argIndex]);
-                    usage ();
-                  }
-                i++;
-              }
-            else
-              {
-                System.out.println("Improper Argument: " + args[i]);
-                usage ();
-              }
+    public static boolean shouldFinish() {
+        return System.currentTimeMillis() >= finishTime;
+    }
 
-          }
-        else if (args[i].equalsIgnoreCase("-randomLoop"))
-          {
-            int argIndex = i+1;
-            if (argIndex < args.length)
-              {
-                try
-                  {
-                    Globals.RANDOM_LOOP = Math.abs(Long.parseLong(args[argIndex])) * stressOptions.getIterationsFactor();
-                  }
-                catch (NumberFormatException e)
-                  {
-                    System.out.println("Improper Argument: " + args[i] + " " + args[argIndex]);
-                    usage ();
-                  }
-                i++;
-              }
-            else
-              {
-                System.out.println("Improper Argument: " + args[i]);
-                usage ();
-              }
+    public void parse(String args[]) {
+        for (int i = 0; i < args.length; i++) {
+            String arg = args[i].toLowerCase();
+            switch (arg) {
+                case "-help":
+                case "-h":
+                case "-?": {
+                    usage();
+                    System.exit(1);
+                    break;
+                }
+                case "-staticloop": {
+                    int argIndex = i + 1;
+                    if (argIndex < args.length) {
+                        try {
+                            Globals.STATIC_LOOP = Math.abs(Integer.parseInt(args[argIndex])) * stressOptions.getIterationsFactor();
+                        } catch (NumberFormatException e) {
+                            usage();
+                            throw new Error("TESTBUG: Improper Argument: " + args[i] + " " + args[argIndex], e);
+                        }
+                        i++;
+                    } else {
+                        usage();
+                        throw new Error("TESTBUG: Improper Argument: " + args[i]);
+                    }
+                    break;
+                }
+                case "-randomloop": {
+                    int argIndex = i + 1;
+                    if (argIndex < args.length) {
+                        try {
+                            Globals.RANDOM_LOOP = Math.abs(Long.parseLong(args[argIndex])) * stressOptions.getIterationsFactor();
+                        } catch (NumberFormatException e) {
+                            usage();
+                            throw new Error("TESTBUG: Improper Argument: " + args[i] + " " + args[argIndex], e);
+                        }
+                        i++;
+                    } else {
+                        usage();
+                        throw new Error("TESTBUG: Improper Argument: " + args[i]);
 
-          }
-        else if (args[i].equalsIgnoreCase("-numTestClass"))
-          {
-            int argIndex = i+1;
-            if (argIndex < args.length)
-              {
-                try
-                  {
-                    Globals.NUM_TEST_CLASSES = Math.abs(Integer.parseInt(args[argIndex]));
-                  }
-                catch (NumberFormatException e)
-                  {
-                    System.out.println("Improper Argument: " + args[i] + " " + args[argIndex]);
-                    usage ();
-                  }
-                i++;
-              }
-            else
-              {
-                System.out.println("Improper Argument: " + args[i]);
-                usage ();
-              }
+                    }
+                    break;
+                }
+                case "-numtestclass": {
+                    int argIndex = i + 1;
+                    if (argIndex < args.length) {
+                        try {
+                            Globals.NUM_TEST_CLASSES = Math.abs(Integer.parseInt(args[argIndex]));
+                        } catch (NumberFormatException e) {
+                            usage();
+                            throw new Error("TESTBUG: Improper Argument: " + args[i] + " " + args[argIndex], e);
+                        }
+                        i++;
+                    } else {
+                        usage();
+                        throw new Error("TESTBUG: Improper Argument: " + args[i]);
+                    }
+                    break;
+                }
+                case "-verbose":
+                case "-v": {
+                    Globals.VERBOSE = true;
+                    break;
+                }
+                case "-path": {
+                    int argIndex = i + 1;
+                    if (argIndex < args.length) {
+                        ClistPath = args[argIndex];
+                        i++;
+                    } else {
+                        usage();
+                        throw new Error("TESTBUG: Improper Argument: " + args[i]);
+                    }
+                    break;
+                }
+                default: {
+                    if (!arg.startsWith("-stress")) {
+                        usage();
+                        throw new Error("TESTBUG: Invalid Argument: " + args[i]);
+                    }
+                }
+            }
+        }
 
-          }
-        else if (args[i].equalsIgnoreCase("-v") || args[i].equalsIgnoreCase("-verbose"))
-          {
-            Globals.VERBOSE = true;
-          }
-        else if (args[i].equalsIgnoreCase("-path"))
-          {
-            int argIndex = i+1;
-            if (argIndex < args.length)
-              {
-                ClistPath = args[argIndex];
-                i++;
-              }
-            else
-              {
-                System.out.println("Improper Argument: " + args[i]);
-                usage ();
-              }
-          }
-        else if (args[i].startsWith("-stress"))
-          {
-              break;
-          }
-        else
-          {
-            System.out.println("Invalid Argument: " + args[i]);
-            usage ();
-          }
+        if ("".equals(ClistPath)) {
+            usage();
+            throw new Error("TESTBUG: class list path not defined");
         }
-        if (ClistPath.equals(""))
-        {
-                System.out.println("class list path not defined");
-                usage();
-        }
-  }
+    }
 
-  public void usage ()
-  {
-    System.out.println("usage: java CGT [options]");
-    System.out.println("  -help                               prints out this message");
-    System.out.println("  -numTestClass #                     limits the number of \"Test Methods\" to #");
-    System.out.println("  -randomcLoop #                      # of random function calls");
-    System.out.println("  -seed #                             uses the specified seed rather than the System Time");
-    System.out.println("  -staticLoop #                       # of non-random static function calls");
-    System.out.println("  -threads #                          # number of test threads, NOTE: no maximum value");
-    System.out.println("  -version                            print out the tool version");
-    System.out.println("  -v -verbose                         turn on verbose mode");
-    throw new TestFailure("  -path <path to classlist>           required, argument so program can find classes");
-  }
-
-  public void version ()
-  {
-    throw new TestFailure("CGT version = " + version);
-  }
+    public void usage() {
+        System.out.println("usage: java CGT [options]");
+        System.out.println("  -help                               prints out this message");
+        System.out.println("  -numTestClass #                     limits the number of \"Test Methods\" to #");
+        System.out.println("  -randomcLoop #                      # of random function calls");
+        System.out.println("  -seed #                             uses the specified seed rather than the System Time");
+        System.out.println("  -staticLoop #                       # of non-random static function calls");
+        System.out.println("  -v -verbose                         turn on verbose mode");
+        System.out.println("  -path <path to classlist>           required, argument so program can find classes");
+    }
 }
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/CGTThread.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,139 +0,0 @@
-/*
- * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package jit.graph;
-import java.util.*;
-import java.lang.*;
-import java.lang.reflect.*;
-import nsk.share.TestFailure;
-
-class CGTThread extends Thread
-{
-    private String ThreadName = null;
-    private Vector Sumation = new Vector(100000);
-    private Vector IDlist = new Vector(100000);
-
-
-    CGTThread( String name )
-    {
-                ThreadName = name;
-                setName(name);
-    }
-
-
-    public void run()
-    {
-                if (Globals.VERBOSE)
-                    System.out.println("\t\t" + Thread.currentThread().getName() + " started");
-                Long numFcalls = new Long(Globals.RANDOM_LOOP - 1);
-                Integer staticFcalls = new Integer(Globals.STATIC_LOOP);
-                MethodData methodCallStr = Globals.nextRandomMethod();
-                Globals.addFunctionIDToVector(methodCallStr.id, IDlist);
-                Throwable invocationExcept = null;
-
-                boolean skipVerify = false;
-
-                try
-                {
-                        methodCallStr.nextMethod.invoke(methodCallStr.instance, new Object []{Sumation, IDlist, numFcalls, staticFcalls});
-                }
-                catch (IllegalAccessException iax)
-                {
-                        throw new TestFailure("Illegal Access Exception");
-                }
-                catch (InvocationTargetException itx)
-                {
-                        System.out.println("Invocation Target Exception");
-                        invocationExcept = itx.getTargetException();
-                        System.out.println(invocationExcept);
-                        if (invocationExcept.getClass() == itx.getClass())
-                        {
-                                System.out.println("Processing Exception Invocation Target Exception");
-                                while (invocationExcept.getClass() == itx.getClass())
-                                        invocationExcept = ((InvocationTargetException)invocationExcept).getTargetException();
-                                System.out.println(invocationExcept);
-                        }
-                        if (invocationExcept instanceof StackOverflowError)
-                        //StackOverFlow is not a failure
-                        {
-                                System.out.println("Warning: stack overflow: skipping verification...");
-                                skipVerify = true;
-                        }
-                        else if (invocationExcept instanceof OutOfMemoryError)
-                        //OutOfMemoryError is not a failure
-                        {
-                                System.out.println("Warning: test devoured heap ;), skipping verification...");
-                                skipVerify = true;
-                        }
-                        else
-                        {
-                                invocationExcept.printStackTrace();
-                                System.exit(1);
-                        }
-                }
-
-            if( !skipVerify )
-                verify(Sumation, IDlist);
-    }
-
-    void verify(Vector Sum, Vector ID)
-    {
-                long oldsum = 0;
-                long newsum;
-                System.out.println(ThreadName + " has begun call stack validation");
-                if (Sum.size() != ID.size())
-                    {
-                                System.out.println("Vector Length's Do Not Match, VERIFY ERROR");
-                                System.out.println("Thread Name: " + ThreadName);
-                                throw new TestFailure("Sumation Element Count = " + Sum.size() + " ID Element Count = " +ID.size());
-                    }
-                long vectorSize = Sum.size();
-                while (!Sum.isEmpty())
-                    {
-                                if (CGT.shouldFinish())
-                                {
-                                   System.out.println(Thread.currentThread().getName() + ": skipping verification due to timeout");
-                                   return;
-                                }
-
-                                newsum = ((Long)Sum.firstElement()).longValue();
-                                Sum.removeElementAt(0);
-
-                                int functionID = ((Integer)ID.firstElement()).intValue();
-                                ID.removeElementAt(0);
-
-                                if ((newsum - oldsum) != (functionID))
-                                    {
-                                                System.out.println("Function Call structure invalid, VERIFY ERROR");
-                                                System.out.println("Thread Name: " + ThreadName);
-                                                System.out.println("Expected = " +(newsum - oldsum) + " Actual = " +functionID);
-                                                throw new TestFailure("Test failed.");
-//                                                System.exit(1);
-                                    }
-                                oldsum = newsum;
-                    }
-                Globals.decNumThreads();
-                System.out.println(ThreadName + "'s function call structure validated succesfully ("+vectorSize+" calls validated)");
-    }
-
-}
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/Globals.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/Globals.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,263 +22,200 @@
  */
 
 package jit.graph;
-import java.io.*;
-import java.util.*;
-import java.lang.*;
-import java.lang.reflect.*;
+
+import jdk.test.lib.Utils;
 import nsk.share.TestFailure;
 
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Random;
+import java.util.StringTokenizer;
+import java.util.Vector;
+
+public final class Globals {
+
 
-public final class Globals
-{
-    // Minimum and Maximum number of threads
-    public static int     NUM_THREADS      = 1;
-    public static long    RANDOM_SEED      = System.currentTimeMillis();
-    public static int     STATIC_LOOP      = 0;
-    public static int     NUM_TEST_CLASSES = 7;
-    public static long    RANDOM_LOOP      = 100;
-    public static boolean VERBOSE          = false;
-    private static Random indexGenerator   = null;
+    public static int STATIC_LOOP = 0;
+    public static int NUM_TEST_CLASSES = 7;
+    public static long RANDOM_LOOP = 100;
+    public static boolean VERBOSE = false;
 
-  //private static TestLoader CGTTestLoader = null;
-    private static String [] ClassArray = null;
-    private static Class [] ClassInstanceArray = null;
-    private static int       maxClassIndex    = 0;
+    private static final Random indexGenerator = Utils.getRandomInstance();
+    private static String[] ClassArray = null;
+    private static Class[] ClassInstanceArray = null;
+    private static int maxClassIndex = 0;
 
-    private static String [] MethodName_Array = null;
-    private static Method [] MethodInstance_Array = null;
+    private static String[] MethodName_Array = null;
+    private static Method[] MethodInstance_Array = null;
 
-    //Should be prime, so that odds of an incorrect verification reduced
-    public static  int    [] MethodID_Array   = null;
-
-
-    //Number of threads will be reduced as threads finish
-    public static synchronized void decNumThreads(){NUM_THREADS--;};
-
-    public static synchronized void initialize(String testListPath)
-    {
+    // Should be prime, so that odds of an incorrect verification reduced
+    public static int[] MethodID_Array = null;
 
-        File td = new File (testListPath);
-        if (!td.exists())
-            {
-                System.err.println("File " + testListPath + " Not found");
-                System.exit(1);
-            }
-        if (!td.isFile())
-            {
-                System.err.println(testListPath + " Must be a File");
-                System.exit(1);
-            }
+    public static synchronized void initialize(String testListPath) {
+        File td = new File(testListPath);
+        if (!td.exists()) {
+            throw new Error("TESTBUG: File " + testListPath + " Not found");
+        }
+
+        if (!td.isFile()) {
+            throw new Error("TESTBUG: " + testListPath + " Must be a File");
+        }
 
         BufferedReader classList = null;
-
-        try
-          {
-            classList = new BufferedReader(new FileReader(td));
-          }
-        catch (FileNotFoundException  fnfx)
-          {
-            System.err.println("Error finding Classlist");
-            System.exit(1);
-          }
-
-        String line = null;
-        try
-            {
-                line = classList.readLine();
-            }
-        catch (IOException iox)
-            {
-                System.err.println("Error reading Classlist");
-                System.exit(1);
+        try {
+            try {
+                classList = new BufferedReader(new FileReader(td));
+            } catch (FileNotFoundException e) {
+                throw new Error("TESTBUG: Error finding Classlist", e);
             }
 
-        try
-            {
-                maxClassIndex = Math.abs(Integer.parseInt(line));//ClassArray.length;
+            String line = null;
+            try {
+                line = classList.readLine();
+            } catch (IOException e) {
+                throw new Error("TESTBUG: Error reading Classlist", e);
             }
-        catch (NumberFormatException nfx)
-            {
-                System.err.println("Error reading Classlist - first number must be number of methods defined");
-                System.exit(1);
+
+            try {
+                // ClassArray.length;
+                maxClassIndex = Math.abs(Integer.parseInt(line));
+            } catch (NumberFormatException e) {
+                throw new Error("TESTBUG: Error reading Classlist - first number must be number of methods defined", e);
             }
 
-        ClassArray = new String [maxClassIndex];
-ClassInstanceArray = new Class [maxClassIndex];
-        MethodName_Array = new String [maxClassIndex];
-        MethodInstance_Array = new Method [maxClassIndex];
-        MethodID_Array = new int [maxClassIndex];
+            ClassArray = new String[maxClassIndex];
+            ClassInstanceArray = new Class[maxClassIndex];
+            MethodName_Array = new String[maxClassIndex];
+            MethodInstance_Array = new Method[maxClassIndex];
+            MethodID_Array = new int[maxClassIndex];
 
-        int i;
-        for (i = 0; (i<maxClassIndex) && (line != null); i++)
-            {
-                try
-                    {
-                        line = classList.readLine();
-                    }
-                catch (IOException iox)
-                    {
-                        System.err.println("Error reading ClasslistFile: testListPath");
-                        System.exit(1);
-                    }
+            int i;
+            for (i = 0; i < maxClassIndex; i++) {
+                try {
+                    line = classList.readLine();
+                } catch (IOException e) {
+                    throw new Error("TESTBUG: Error reading ClasslistFile: testListPath", e);
+                }
                 StringTokenizer lineTokens = new StringTokenizer(line, "\t ");
-                if (lineTokens.countTokens() <3)
-                  {
-                    System.out.println("Error reading ClasslistFile: Errored line");
-                    i--;
-                  }
-                else
-                  {
+                if (lineTokens.countTokens() < 3) {
+                    throw new Error("TESTBUG: ClasslistFile: unexpected line:" + line);
+                } else {
                     ClassArray[i] = lineTokens.nextToken();
-                    MethodName_Array[i] =lineTokens.nextToken();
+                    MethodName_Array[i] = lineTokens.nextToken();
                     MethodID_Array[i] = Integer.parseInt(lineTokens.nextToken());
-                  }
+                }
             }
-        maxClassIndex = i;
+            maxClassIndex = i;
+        } finally {
+            if (classList != null) {
+                try {
+                    classList.close();
+                } catch (IOException e) {
+                    throw new Error("can't close file", e);
+                }
+            }
+        }
 
-        indexGenerator = new Random(RANDOM_SEED);
-        if ((NUM_TEST_CLASSES < ClassArray.length) && (NUM_TEST_CLASSES > 0))
-          maxClassIndex = NUM_TEST_CLASSES;
-        else
-          NUM_TEST_CLASSES = maxClassIndex;
+        if ((NUM_TEST_CLASSES < ClassArray.length) && (NUM_TEST_CLASSES > 0)) {
+            maxClassIndex = NUM_TEST_CLASSES;
+        } else {
+            NUM_TEST_CLASSES = maxClassIndex;
+        }
     }
 
-    //does a binary serach to find the index for the ID of a method
-    private static int ID_BinSearch(int begin, int end, int ID)
-    {
-        if (end < begin)
-            return(-1);
+    // does a binary search to find the index for the ID of a method
+    private static int ID_BinSearch(int begin, int end, int ID) {
+        if (end < begin) {
+            return (-1);
+        }
 
-        int mid = (begin + end)/2;
+        int mid = (begin + end) / 2;
         int midvalue = MethodID_Array[mid];
 
-        if (ID == midvalue)
+        if (ID == midvalue) {
             return (mid);
-        else if (ID < midvalue)
-            return(ID_BinSearch(begin, mid-1, ID));
-        else
-            return(ID_BinSearch(mid+1, end, ID));
+        } else if (ID < midvalue) {
+            return (ID_BinSearch(begin, mid - 1, ID));
+        } else {
+            return (ID_BinSearch(mid + 1, end, ID));
+        }
     }
 
 
-    //based off a static index, this function selects the method to be called
-    public static MethodData returnNextStaticMethod(int Method_ID)
-    {
-      //int i = ID_BinSearch(0, MethodID_Array.length - 1, Method_ID);
-      int i = ID_BinSearch(0, maxClassIndex - 1, Method_ID);
+    // based off a static index, this function selects the method to be called
+    public static MethodData returnNextStaticMethod(int Method_ID) {
+        //int i = ID_BinSearch(0, MethodID_Array.length - 1, Method_ID);
+        int i = ID_BinSearch(0, maxClassIndex - 1, Method_ID);
 
-      return(nextStaticMethod((i==-1)?0:i));
+        return (nextStaticMethod((i == -1) ? 0 : i));
     }
 
-    //this function randomly selects the next method to be called by the test class
-    public static MethodData nextRandomMethod()
-    {
-
+    // this function randomly selects the next method to be called by the test class
+    public static MethodData nextRandomMethod() {
         int i = indexGenerator.nextInt(maxClassIndex);
-        return(nextStaticMethod(i));
+        return (nextStaticMethod(i));
     }
 
-    private static MethodData nextStaticMethod(int i)
-    {
+    private static MethodData nextStaticMethod(int i) {
         Class methodsClass = null;
         Method nextMethod = null;
 
-        try
-            {
-              //methodsClass = CGTTestLoader.findClass(ClassArray[i]);
-              methodsClass = ClassInstanceArray[i];
-              if (methodsClass == null)
-              {
-                  methodsClass = Class.forName(ClassArray[i]);
-                  ClassInstanceArray[i] = methodsClass;
-              }
-              nextMethod = MethodInstance_Array[i];
-              if (nextMethod == null )
-              {
-              nextMethod =
-                methodsClass.getMethod(MethodName_Array[i],
-                                       new Class[]{java.util.Vector.class, java.util.Vector.class,
-                                                     java.lang.Long.class, java.lang.Integer.class});
-              //sum vector, ID vector, function depth, static function call depth
-              MethodInstance_Array[i] = nextMethod;
-              }
+        try {
+            methodsClass = ClassInstanceArray[i];
+            if (methodsClass == null) {
+                methodsClass = Class.forName(ClassArray[i]);
+                ClassInstanceArray[i] = methodsClass;
             }
-        catch (ClassNotFoundException cnfx)
-            {
-                System.out.println("Class: " +ClassArray[i]+ " Not Found");
-                System.exit(-1);
+            nextMethod = MethodInstance_Array[i];
+            if (nextMethod == null) {
+                nextMethod = methodsClass.getMethod(MethodName_Array[i],
+                        Vector.class, Vector.class,  Long.class, Integer.class);
+                // sum vector, ID vector, function depth, static function call depth
+                MethodInstance_Array[i] = nextMethod;
             }
-        catch (NoSuchMethodException nsmx)
-            {
-                System.out.println("Class: " +ClassArray[i]);
-                System.out.println("Method: " +MethodName_Array[i]+" Not Found");
-                System.exit(-1);
-            }
-        catch (SecurityException sx)
-            {
-                System.out.println("Class: " +ClassArray[i]);
-                System.out.println("Method: " +MethodName_Array[i]);
-                System.out.println("Security Exception Generated, by above method call");
-                System.exit(-1);
-            }
-        return(new MethodData(ClassArray[i], MethodName_Array[i], methodsClass, nextMethod, MethodID_Array[i]));
+        } catch (ClassNotFoundException e) {
+            throw new Error("TESTBUG Class: " + ClassArray[i] + " Not Found", e);
+        } catch (NoSuchMethodException e) {
+            throw new Error("TESTBUG Method: " + ClassArray[i] + "::" + MethodName_Array[i] + " Not Found", e);
+        } catch (SecurityException e) {
+            throw new Error("TESTBUG Security Exception Generated by " + ClassArray[i] + "::" + MethodName_Array[i], e);
+        }
+        return new MethodData(ClassArray[i], MethodName_Array[i], methodsClass, nextMethod, MethodID_Array[i]);
     }
 
 
-    /*These two functions are used to verify that all function were called in the proper order*/
+    /* These two functions are used to verify that all function were called in the proper order */
 
-    //called by "parent" function to add childs ID to vector
-    public static void addFunctionIDToVector(int FunctionIndex, Vector IDVector)
-    {
-        IDVector.addElement(new Integer(FunctionIndex));
+    // called by "parent" function to add childs ID to vector
+    public static void addFunctionIDToVector(int FunctionIndex, Vector IDVector) {
+        IDVector.addElement(FunctionIndex);
     }
 
-    //called by "child" to add Function Index to Vector
-    public static void appendSumToSumationVector(int FunctionIndex, Vector SummationVector)
-    {
-        if (SummationVector.isEmpty())
-            SummationVector.addElement(new Long(FunctionIndex));
-        else
-            SummationVector.addElement(new Long(((Long)SummationVector.lastElement()).longValue() + FunctionIndex));
+    // called by "child" to add Function Index to Vector
+    public static void appendSumToSummationVector(int FunctionIndex, Vector SummationVector) {
+        if (SummationVector.isEmpty()) {
+            SummationVector.addElement((long) FunctionIndex);
+        } else {
+            SummationVector.addElement((Long) SummationVector.lastElement() + FunctionIndex);
+        }
     }
 
-    //This function calls a method based off of MethodData
+    // This function calls a method based off of MethodData
     public static void callMethod(MethodData methodCallStr,
                                   Vector summation, Vector ID,
                                   Long numFcalls, Integer staticFcalls)
-                                  throws InvocationTargetException
-
-    {
-                if(NUM_THREADS >1)
-                    {
-                        if ((staticFcalls.intValue() + numFcalls.longValue()) %23 == 0)
-                            {
-                                try
-                                    {
-                                        Thread.sleep(225);
-                                    }
-                                catch (InterruptedException ie)
-                                    {}
-                                if (VERBOSE)
-                                    System.out.println("\t\tCurrentThread:" + Thread.currentThread().getName());
-                            }
-                    }
-
-                try
-            {
-                        methodCallStr.nextMethod.invoke(methodCallStr.instance,
-                                new Object []{summation, ID, numFcalls, staticFcalls});
-            }
-                catch (IllegalAccessException iax)  //should never happen with a valid testfile
-            {
-                        throw new TestFailure("Illegal Access Exception");
-            }
-                    /*
-                catch (InvocationTargetException itx)
-                    {
-                        itx.printStackTrace();
-                        System.out.println("Invocation Target Exception");
-                        System.exit(1);
-                    }*/
+            throws InvocationTargetException {
+        try {
+            methodCallStr.nextMethod.invoke(methodCallStr.instance,
+                    summation, ID, numFcalls, staticFcalls);
+        } catch (IllegalAccessException e) {
+            // should never happen with a valid testfile
+            throw new TestFailure("Illegal Access Exception", e);
+        }
     }
 }
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/MethodData.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/MethodData.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -20,37 +20,33 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package jit.graph;
-import java.lang.reflect.*;
+
+import java.lang.reflect.Method;
+
 import nsk.share.TestFailure;
 
-public final class MethodData
-{
-  public String ClassName;
-  public String MethodName;
-  public Class  ClassObject;
-  public Method nextMethod;
-  public int id;
-  public Object instance = null;
+public final class MethodData {
+    public String ClassName;
+    public String MethodName;
+    public Class ClassObject;
+    public Method nextMethod;
+    public int id;
+    public Object instance;
 
-  MethodData(String ClassName, String MethodName, Class ClassObject,Method nextMethod, int id)
-  {
-    this.ClassName = ClassName;
-    this.MethodName = MethodName;
-    this.nextMethod = nextMethod;
-    this.id = id;
-    this.ClassObject = ClassObject;
-    try
-      {
-        this.instance = ClassObject.newInstance();
-      }
-    catch (InstantiationException ix)
-      {
-        throw new TestFailure("Class: " +ClassName+ " Instantiation Exception");
-      }
-    catch (IllegalAccessException iax)
-      {
-        throw new TestFailure("Class: " +ClassName+ " Illegal Access Exception");
-      }
-  }
+    MethodData(String ClassName, String MethodName, Class ClassObject, Method nextMethod, int id) {
+        this.ClassName = ClassName;
+        this.MethodName = MethodName;
+        this.nextMethod = nextMethod;
+        this.id = id;
+        this.ClassObject = ClassObject;
+        try {
+            this.instance = ClassObject.newInstance();
+        } catch (InstantiationException e) {
+            throw new TestFailure("Class: " + ClassName + " Instantiation Exception", e);
+        } catch (IllegalAccessException e) {
+            throw new TestFailure("Class: " + ClassName + " Illegal Access Exception", e);
+        }
+    }
 }
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/Node.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/Node.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -20,114 +20,102 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package jit.graph;
 
-import nsk.share.TestFailure;
 // This class define the tree node.
 
-public class Node
-{
-   public final static int Black = 0;    // constants used to define the
-   public final static int Red = 1;      // node color
-   public final static int Left_son = 2; // constants used to identify
-   public final static int Right_son = 3;// the node parent and sons.
-   public final static int Parent = 4;
+public class Node {
+    public final static int Black = 0;    // constants used to define the
+    public final static int Red = 1;      // node color
+    public final static int Left_son = 2; // constants used to identify
+    public final static int Right_son = 3;// the node parent and sons.
+    public final static int Parent = 4;
 
-
-   private int  color;
-   private int  key;
-   private Node L,R,P;      // L-left son,R-right son,P-parent
+    private int color;
+    private int key;
+    private Node L, R, P;      // L-left son,R-right son,P-parent
 
-   // constructor create a new node the default color is red
-   // the default appearance (bold) is regular.
-   // initialize the key field.
+    // constructor create a new node the default color is red
+    // the default appearance (bold) is regular.
+    // initialize the key field.
 
-   public Node(int k)
-   {
-      color = Red;
-      key = k;
-      L = null;
-      R = null;
-      P = null;
-   }
+    public Node(int k) {
+        color = Red;
+        key = k;
+        L = null;
+        R = null;
+        P = null;
+    }
 
-   // constructor for constructing a tree null object, is color
-   // is black.
+    // constructor for constructing a tree null object, is color
+    // is black.
 
-   public Node()
-   {
-      color = Black;
-      key = -1;
-      L = null;
-      R = null;
-      P = null;
-   }
+    public Node() {
+        color = Black;
+        key = -1;
+        L = null;
+        R = null;
+        P = null;
+    }
 
-   // This method set the node key.
+    // This method set the node key.
 
-   public void setKey(int k)
-   {
-      key = k;
-   }
+    public void setKey(int k) {
+        key = k;
+    }
 
-   // This method return the node key.
+    // This method return the node key.
 
-   public int getKey()
-   {
-      return (key);
-   }
+    public int getKey() {
+        return (key);
+    }
 
-   // This method set the node color.
+    // This method set the node color.
 
-   public void setColor(int c)
-   {
-      if (c == Black)
-         color = Black;
-      else
-         if (c == Red)
+    public void setColor(int c) {
+        if (c == Black) {
+            color = Black;
+        } else if (c == Red) {
             color = Red;
-   }
+        }
+    }
 
-   // This method return the node color.
+    // This method return the node color.
 
-   public int getColor()
-   {
-      return (color);
-   }
+    public int getColor() {
+        return (color);
+    }
 
-   // This method set the node parent or childs acording to the who
-   // parameter.
+    // This method set the node parent or childs acording to the who
+    // parameter.
 
-   public void setNode(int who,Node n)
-   {
-      switch (who)
-      {
-          case Left_son:
-               L = n;
-               break;
-          case Right_son:
-               R = n;
-               break;
-          case Parent:
-               P = n;
-               break;
-      }
-   }
+    public void setNode(int who, Node n) {
+        switch (who) {
+            case Left_son:
+                L = n;
+                break;
+            case Right_son:
+                R = n;
+                break;
+            case Parent:
+                P = n;
+                break;
+        }
+    }
 
-   // This method return the node parent or childs acording to the who
-   // parameter.
+    // This method return the node parent or childs acording to the who
+    // parameter.
 
-   public Node getNode(int who)
-   {
-      switch (who)
-      {
-          case Left_son:
-               return (L);
-          case Right_son:
-               return (R);
-          case Parent:
-               return (P);
-      }
-      return (null);
-   }
+    public Node getNode(int who) {
+        switch (who) {
+            case Left_son:
+                return L;
+            case Right_son:
+                return R;
+            case Parent:
+                return P;
+        }
+        return null;
+    }
 }
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/RBTree.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/RBTree.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -20,708 +20,626 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package jit.graph;
 
-import nsk.share.TestFailure;
-
-//import Node;
-
 // This class defines the tree object.
-
-public class RBTree
-{
-   public final static int  maxNodes = 70;        // maximum nodes allowed.
-   public final static int  INSERT   = 0;         // constants indicating
-   public final static int  DELETE   = 1;         // the current operation
-   public final static int  NOP      = 2;
-   public final static Node treeNull = new Node(); // the tree NULL node.
+public class RBTree {
+    public final static int maxNodes = 70;      // maximum nodes allowed.
+    public final static int INSERT = 0;         // constants indicating
+    public final static int DELETE = 1;         // the current operation
+    public final static int NOP = 2;
+    public final static Node treeNull = new Node(); // the tree NULL node.
 
-   private Node    root;
-   private int     num_of_nodes;
-   private int     height;           // The tree heigth ,it is updated
-                                     // in each operation.
+    private Node root;
+    private int num_of_nodes;
+    private int height;           // The tree height, it is updated
+    // in each operation.
 
-   // since the algorithem is executed in stages I have to remember data
-   // on the state.
-   private Node    node;  // The current operation is being done on it.
-   private int     action;// The operation being performed (insert / delete)
-   private int     stage; // The current stage of execution
-
-   // the constructor initialize the object fields.
+    // since the algorithm is executed in stages I have to remember data
+    // on the state.
+    private Node node;  // The current operation is being done on it.
+    private int action; // The operation being performed (insert / delete)
+    private int stage;  // The current stage of execution
 
-   public RBTree()
-   {
-      root         = treeNull;
-      node         = treeNull;
-      num_of_nodes = 0;
-      height       = 0;
-      action       = NOP;
-      stage        = 0;
-   }
-
-   // This method return the root of the tree.
+    // the constructor initializes the object fields.
+    public RBTree() {
+        root = treeNull;
+        node = treeNull;
+        num_of_nodes = 0;
+        height = 0;
+        action = NOP;
+        stage = 0;
+    }
 
-   public Node getRoot()
-   {
-      return root;
-   }
-
-   // This method return the number of nodes in the tree.
+    // This method returns the root of the tree.
+    public Node getRoot() {
+        return root;
+    }
 
-   public int getNodes()
-   {
-      return num_of_nodes;
-   }
+    // This method returns the number of nodes in the tree.
+    public int getNodes() {
+        return num_of_nodes;
+    }
 
-   // This method return the heigth of the tree.
-
-   public int getHeight()
-   {
-      return height;
-   }
+    // This method returns the height of the tree.
+    public int getHeight() {
+        return height;
+    }
 
 
-
-   // This method inserts k into the Red Black Tree
+    // This method inserts k into the Red Black Tree
+    public boolean RBInsert(int k) {
+        // checking similar to the RB_Insert method
+        if (action != NOP) {
+            System.out.println("Only one operation can be done at a time.");
+            return false;
+        }
 
-   public boolean RBInsert(int k)
-   {
+        if (num_of_nodes == maxNodes) {
+            System.out.println("The maximum nodes allowed is already reached.");
+            return false;
+        }
 
-      Thread Pause = new Thread();   // this thread is used for delay
-                                     // between the stages.
-      if (action != NOP)  // checking similar to the RB_Insert method
-      {
-         System.out.println
-         ("Only one operation can be done at a time.");
-         return false;
-      }
-      if (num_of_nodes == maxNodes)
-      {
-         System.out.println
-         ("The maximum nodes allowed is already reached.");
-         return false;
-      }
-      if (Search(k) == treeNull) // Check if there is already node with key k.
-      {
-         action = INSERT;
-         node = new Node(k);
-         node.setNode(Node.Left_son,treeNull);
-         node.setNode(Node.Right_son,treeNull);
-         node.setNode(Node.Parent,treeNull);
-         stage = 1;
-         while (stage != 0)     // This is the loop that perform all the
-         {                      // operation steps.
-            InsertStep();       // perform one step
-            updateHeight();     // update the tree height
-         }
-         action = NOP;           // set the action to NoOPretion.
-         return true;
-      }
-      else
-        System.out.println
-        ("Insertion failed. This key already exist.");
-      return false;
-   }
+        // Check if there is already node with key k.
+        if (Search(k) == treeNull) {
+            action = INSERT;
+            node = new Node(k);
+            node.setNode(Node.Left_son, treeNull);
+            node.setNode(Node.Right_son, treeNull);
+            node.setNode(Node.Parent, treeNull);
+            stage = 1;
+            // This is the loop that perform all the operation steps.
+            while (stage != 0) {
+                // perform one step
+                InsertStep();
+                // update the tree height
+                updateHeight();
+            }
+            // set the action to NoOPretion.
+            action = NOP;
+            return true;
+        } else
+            System.out.println("Insertion failed. This key already exist.");
+        return false;
+    }
 
 
-   // This method deletes the element k from the Red Black tree
-
-   public boolean RBDelete(int k)
-   {
-      Thread Pause = new Thread();   // this thread is used for delay
-                                     // between the stages.
-      if (action != NOP)
-      {                              // checking like in RB_Delete method
-         System.out.println
-         ("Only one operation can be done at a time.");
-         return false;
-      }
-      node = Search(k);
-      if (node != treeNull)       // Check if there is a node with key k.
-      {
-         action = DELETE;
-         stage = 1;
-         while (stage != 0)    // this loop perform all the operation
-         {                     // steps.
-            DeleteStep();               // perform one step
-            updateHeight();             // update the tree height
-
-         }
-         action = NOP;
-         return true;
-      }
-      else
-         System.out.println
-         ("Deletion failed. This key doesn't exist.");
-      return false;
-   }
+    // This method deletes the element k from the Red Black tree
+    public boolean RBDelete(int k) {
+        // checking like in RB_Delete method
+        if (action != NOP) {
+            System.out.println("Only one operation can be done at a time.");
+            return false;
+        }
+        node = Search(k);
+        // Check if there is a node with key k.
+        if (node != treeNull) {
+            action = DELETE;
+            stage = 1;
+            // this loop perform all the operation steps.
+            while (stage != 0) {
+                // perform one step
+                DeleteStep();
+                // update the tree height
+                updateHeight();
+            }
+            action = NOP;
+            return true;
+        } else
+            System.out.println("Deletion failed. This key doesn't exist.");
+        return false;
+    }
 
-   // This method perform one step in the insertion operation.
-   // If perform a step acording to the stage variable.
-   // I will not explain exactly what each stage do, just that they
-   // divided to 4 categories:
-   // 1. inserting a node to the tree.
-   // 2. marking nodes that will be recolored.
-   // 3. recoloring nodes.
-   // 4. rotating right or left.
-
-   private void InsertStep()
-   {
-      Node Pr,GrPr,Un; // Pr is parent, GrPr is grandparent
-                       // and Un is uncle.
-      switch (stage)
-      {
-           case 1: // Inserting a node to the tree
-               /*
-                  System.out.println  // send a message to the screen
-                  (new String("Inserting ")
-                  .concat(Integer.toString(node.getKey())));
-               */
-                  Tree_Insert();        // inserting an element to the tree
-                  break;
-           case 2:       // mid stage that move to algorithem to the
-                         // proper next stage, and send proper message
-                         // to the screen
-                  Pr = node.getNode(Node.Parent);
-                  GrPr = Pr.getNode(Node.Parent);
-                  if (Pr == GrPr.getNode(Node.Left_son))
-                  {
-                     Un = GrPr.getNode(Node.Right_son);
-                     if (Un.getColor() == Node.Red)
-                     {
+    // This method performs one step in the insertion operation.
+    // It performs a step according to the stage variable.
+    // I will not explain exactly what each stage do, just that they
+    // divided to 4 categories:
+    // 1. inserting a node to the tree.
+    // 2. marking nodes that will be recolored.
+    // 3. recoloring nodes.
+    // 4. rotating right or left.
+    private void InsertStep() {
+        // Pr is parent, GrPr is grandparent and Un is uncle.
+        Node Pr, GrPr, Un;
+        switch (stage) {
+            // Inserting a node to the tree
+            case 1:
+                Tree_Insert();
+                break;
+            // mid stage that moves the algorithm to the proper next stage
+            case 2:
+                Pr = node.getNode(Node.Parent);
+                GrPr = Pr.getNode(Node.Parent);
+                if (Pr == GrPr.getNode(Node.Left_son)) {
+                    Un = GrPr.getNode(Node.Right_son);
+                    if (Un.getColor() == Node.Red) {
+                        stage = 3;
+                    } else if (node == Pr.getNode(Node.Right_son)) {
+                        node = Pr;
+                        stage = 5;
+                    } else {
+                        stage = 6;
+                    }
+                } else {
+                    Un = GrPr.getNode(Node.Left_son);
+                    if (Un.getColor() == Node.Red) {
                         stage = 3;
-                     }
-                     else
-                        if (node == Pr.getNode(Node.Right_son))
-                        {
-                           node = Pr;
-                           stage = 5;
-                        }
-                        else
-                        {
-                           stage = 6;
-                        }
-                  }
-                  else
-                  {
-                     Un = GrPr.getNode(Node.Left_son);
-                     if (Un.getColor() == Node.Red)
-                     {
-                        stage = 3;
-                     }
-                     else
-                        if (node == Pr.getNode(Node.Left_son))
-                        {
-                           node = Pr;
-                           stage = 5;
-                        }
-                        else
-                        {
-                           stage = 6;
-                        }
-                  }
-                  break;
-           case 3:       // This stage marks node that will be recolored
-                  Pr = node.getNode(Node.Parent);
-                  GrPr = Pr.getNode(Node.Parent);
-                  if (Pr == GrPr.getNode(Node.Left_son))
-                     Un = GrPr.getNode(Node.Right_son);
-                  else
-                      Un = GrPr.getNode(Node.Left_son);
+                    } else if (node == Pr.getNode(Node.Left_son)) {
+                        node = Pr;
+                        stage = 5;
+                    } else {
+                        stage = 6;
+                    }
+                }
+                break;
+            // This stage marks node that will be recolored
+            case 3:
+                Pr = node.getNode(Node.Parent);
+                GrPr = Pr.getNode(Node.Parent);
+                if (Pr == GrPr.getNode(Node.Left_son)) {
+                    Un = GrPr.getNode(Node.Right_son);
+                } else {
+                    Un = GrPr.getNode(Node.Left_son);
+                }
+                node = GrPr;
+                stage = 4;
+                break;
+            // This stage recolors marked nodes.
+            case 4:
+                node.setColor(Node.Red);
+                node.getNode(Node.Left_son).setColor(Node.Black);
+                node.getNode(Node.Right_son).setColor(Node.Black);
 
-                  node = GrPr;
-                  stage = 4;
-                  break;
-           case 4:          // this stage recolor marked nodes.
-                  node.setColor(Node.Red);
-                  (node.getNode(Node.Left_son)).setColor(Node.Black);
-                  (node.getNode(Node.Right_son)).setColor(Node.Black);
-
-                  if ((node == root) ||
-                     ((node.getNode(Node.Parent)).getColor() == Node.Black))
-                     if (root.getColor() == Node.Red)
-                     {
+                if ((node == root) ||
+                        (node.getNode(Node.Parent).getColor() == Node.Black)) {
+                    if (root.getColor() == Node.Red) {
                         stage = 9;
-                     }
-                     else
+                    } else
                         stage = 0;
-                  else
-                  {
-                     stage = 2;
-                     InsertStep();
-                  }
-                  break;
-           case 5:        // This stage perform rotation operation
-                  Pr = node.getNode(Node.Parent);
-                  if (node == Pr.getNode(Node.Left_son))
-                     Left_Rotate(node);
-                  else
-                     Right_Rotate(node);
+                } else {
+                    stage = 2;
+                    InsertStep();
+                }
+                break;
+            // This stage performs rotation operation
+            case 5:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Left_Rotate(node);
+                } else {
+                    Right_Rotate(node);
+                }
+                stage = 6;
+                break;
+            // This stage marks nodes that will be recolor.
+            case 6:
+                Pr = node.getNode(Node.Parent);
+                GrPr = Pr.getNode(Node.Parent);
 
-                  stage = 6;
-                  break;
-           case 6:        // This stage marks nodes that will be recolor.
-                  Pr = node.getNode(Node.Parent);
-                  GrPr = Pr.getNode(Node.Parent);
-
-                  stage = 7;
-                  break;
-           case 7:        // This stage recolor marked nodes.
-                  Pr = node.getNode(Node.Parent);
-                  Pr.setColor(Node.Black);
-                  GrPr = Pr.getNode(Node.Parent);
-                  GrPr.setColor(Node.Red);
+                stage = 7;
+                break;
+            // This stage recolors marked nodes.
+            case 7:
+                Pr = node.getNode(Node.Parent);
+                Pr.setColor(Node.Black);
+                GrPr = Pr.getNode(Node.Parent);
+                GrPr.setColor(Node.Red);
 
-                  stage = 8;
-                  break;
-           case 8:        // This stage perform rotation operation
-                  Pr = node.getNode(Node.Parent);
-                  GrPr = Pr.getNode(Node.Parent);
-                  if (Pr == GrPr.getNode(Node.Left_son))
-                     Right_Rotate(GrPr);
-                  else
-                     Left_Rotate(GrPr);
-                  if (root.getColor() == Node.Red)
-                  {
-                     stage = 9;
-                  }
-                  else
-                     stage = 0;
-                  break;
-           case 9:        // this stage mark the root.
-                   stage = 10;
-                  break;
-           case 10:       // This stage recolor the root.
-                  root.setColor(Node.Black);
-                  stage = 0;
-                  break;
-      }
-   }
+                stage = 8;
+                break;
+            // This stage performs rotation operation
+            case 8:
+                Pr = node.getNode(Node.Parent);
+                GrPr = Pr.getNode(Node.Parent);
+                if (Pr == GrPr.getNode(Node.Left_son)) {
+                    Right_Rotate(GrPr);
+                } else {
+                    Left_Rotate(GrPr);
+                }
+                if (root.getColor() == Node.Red) {
+                    stage = 9;
+                } else
+                    stage = 0;
+                break;
+            // this stage marks the root.
+            case 9:
+                stage = 10;
+                break;
+            // This stage recolors the root.
+            case 10:
+                root.setColor(Node.Black);
+                stage = 0;
+                break;
+        }
+    }
 
-   // This method perform one step in the deletion operation.
-   // If perform a step acording to the stage variable.
-   // I will explain exactly what each stage do, just that they
-   // divided to 4 categories:
-   // 1. deleting a node from the tree.
-   // 2. marking nodes that will be recolored.
-   // 3. recoloring nodes.
-   // 4. rotating right or left.
+    // This method performs one step in the deletion operation.
+    // It perform sa step according to the stage variable.
+    // I will explain exactly what each stage do, just that they
+    // divided to 4 categories:
+    // 1. deleting a node from the tree.
+    // 2. marking nodes that will be recolored.
+    // 3. recoloring nodes.
+    // 4. rotating right or left.
+    public void DeleteStep() {
+        // Pr is Parent, Br is Brother
+        Node Pr, Br;
+        switch (stage) {
+            // This stage delete a node from the tree.
+            case 1:
+                Tree_Delete();
+                break;
+            // This stage marks a nodes that will be recolored or perform other stage.
+            case 2:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Br = Pr.getNode(Node.Right_son);
+                } else {
+                    Br = Pr.getNode(Node.Left_son);
+                }
+                if (Br.getColor() == Node.Red) {
+                    stage = 3;
+                } else if ((Br.getNode(Node.Right_son).getColor() == Node.Black)
+                        && (Br.getNode(Node.Left_son).getColor() == Node.Black)) {
+                    stage = 5;
+                    DeleteStep();
+                } else {
+                    stage = 7;
+                    DeleteStep();
+                }
+                break;
+            // This stage recolors marked nodes.
+            case 3:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Br = Pr.getNode(Node.Right_son);
+                } else {
+                    Br = Pr.getNode(Node.Left_son);
+                }
+                Br.setColor(Node.Black);
+                Pr.setColor(Node.Red);
 
-   public void DeleteStep()
-   {
-       Node Pr,Br;     // Pr is Parent ,Br is Brother
-       switch (stage)
-       {
-             case 1:   // This stage delete a node from the tree.
-                 /*
-                    System.out.println
-                    (new String("Deleting ")
-                    .concat(Integer.toString(node.getKey())));
-                 */
-                    Tree_Delete();
-                    break;
-             case 2:   // This stage marks a nodes that will be recolored
-                       // or perform other stage.
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                       Br = Pr.getNode(Node.Right_son);
-                    else
-                       Br = Pr.getNode(Node.Left_son);
-                    if (Br.getColor() == Node.Red)
-                    {
-                        stage = 3;
+                stage = 4;
+                break;
+            // This stage performs rotation operation
+            case 4:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Left_Rotate(Pr);
+                    Br = Pr.getNode(Node.Right_son);
+                } else {
+                    Right_Rotate(Pr);
+                    Br = Pr.getNode(Node.Left_son);
+                }
+                if ((Br.getNode(Node.Right_son).getColor() == Node.Black)
+                        && (Br.getNode(Node.Left_son).getColor() == Node.Black)) {
+                    stage = 5;
+                } else {
+                    stage = 7;
+                }
+
+                break;
+            // This stage marks nodes that will be recolor.
+            case 5:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Br = Pr.getNode(Node.Right_son);
+                } else {
+                    Br = Pr.getNode(Node.Left_son);
+                }
+                stage = 6;
+                break;
+            // This stage recolors marked nodes.
+            case 6:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Br = Pr.getNode(Node.Right_son);
+                } else {
+                    Br = Pr.getNode(Node.Left_son);
+                }
+                Br.setColor(Node.Red);
+                node = Pr;
+
+                if ((node != root) && (node.getColor() == Node.Black)) {
+                    stage = 2;
+                } else if (node.getColor() == Node.Red) {
+                    stage = 13;
+                } else
+                    stage = 0;
+                break;
+            // This stage marks nodes that will be recolor or perform other stage.
+            case 7:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Br = Pr.getNode(Node.Right_son);
+                    if ((Br.getNode(Node.Right_son)).getColor() == Node.Black) {
+                        stage = 8;
+                    } else {
+                        stage = 10;
+                        DeleteStep();
                     }
-                    else
-                       if (((Br.getNode(Node.Right_son)).getColor() == Node.Black)
-                          && ((Br.getNode(Node.Left_son)).getColor() == Node.Black))
-                       {
-                          stage = 5;
-                          DeleteStep();
-                       }
-                       else
-                       {
-                          stage = 7;
-                          DeleteStep();
-                       }
-                    break;
-             case 3:    // this stage recolor marked nodes.
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                    {
-                       Br = Pr.getNode(Node.Right_son);
-
-                    }
-                    else
-                    {
-                       Br = Pr.getNode(Node.Left_son);
-                    }
-                    Br.setColor(Node.Black);
-                    Pr.setColor(Node.Red);
-
-                    stage = 4;
-                    break;
-             case 4:     // this stage perform rotation operation
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                    {
-                       Left_Rotate(Pr);
-                       Br = Pr.getNode(Node.Right_son);
-                    }
-                    else
-                    {
-                       Right_Rotate(Pr);
-                       Br = Pr.getNode(Node.Left_son);
-                    }
-                    if (((Br.getNode(Node.Right_son)).getColor() == Node.Black)
-                       && ((Br.getNode(Node.Left_son)).getColor() == Node.Black))
-                       stage = 5;
-                    else
-                       stage = 7;
-
-                    break;
-             case 5:     // this stage marks nodes that will be recolor.
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                       Br = Pr.getNode(Node.Right_son);
-                    else
-                       Br = Pr.getNode(Node.Left_son);
-
-                    stage = 6;
-                    break;
-             case 6:     // This stage recolor marked nodes.
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                       Br = Pr.getNode(Node.Right_son);
-                    else
-                       Br = Pr.getNode(Node.Left_son);
-                    Br.setColor(Node.Red);
-                    node = Pr;
-
-                    if ((node != root) && (node.getColor() == Node.Black))
-                       stage = 2;
-                    else
-                       if (node.getColor() == Node.Red)
-                       {
-                          stage = 13;
-                       }
-                       else
-                          stage = 0;
-                    break;
-             case 7:     // this stage marks nodes that will be recolor
-                         // or perform other stage.
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                    {
-                       Br = Pr.getNode(Node.Right_son);
-                       if ((Br.getNode(Node.Right_son)).getColor() == Node.Black)
-                       {
-                          stage = 8;
-                       }
-                       else
-                       {
-                          stage = 10;
-                          DeleteStep();
-                       }
+                } else {
+                    Br = Pr.getNode(Node.Left_son);
+                    if ((Br.getNode(Node.Left_son)).getColor() == Node.Black) {
+                        stage = 8;
+                    } else {
+                        stage = 10;
+                        DeleteStep();
                     }
-                    else
-                    {
-                       Br = Pr.getNode(Node.Left_son);
-                       if ((Br.getNode(Node.Left_son)).getColor() == Node.Black)
-                       {
-                          stage = 8;
-                       }
-                       else
-                       {
-                          stage = 10;
-                          DeleteStep();
-                       }
-                    }
-                    break;
-             case 8:     // this stage recolor marked nodes.
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                    {
-                       Br = Pr.getNode(Node.Right_son);
-                       (Br.getNode(Node.Left_son)).setColor(Node.Black);
-
-                    }
-                    else
-                    {
-                       Br = Pr.getNode(Node.Left_son);
-                       (Br.getNode(Node.Right_son)).setColor(Node.Black);
+                }
+                break;
+            // This stage recolors marked nodes.
+            case 8:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Br = Pr.getNode(Node.Right_son);
+                    Br.getNode(Node.Left_son).setColor(Node.Black);
+                } else {
+                    Br = Pr.getNode(Node.Left_son);
+                    Br.getNode(Node.Right_son).setColor(Node.Black);
+                }
+                Br.setColor(Node.Red);
+                stage = 9;
+                break;
+            // This stage performs rotation operation
+            case 9:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Br = Pr.getNode(Node.Right_son);
+                    Right_Rotate(Br);
+                } else {
+                    Br = Pr.getNode(Node.Left_son);
+                    Left_Rotate(Br);
+                }
 
-                    }
-                    Br.setColor(Node.Red);
-                    stage = 9;
-                    break;
-             case 9:    // this stage perform rotation operation
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                    {
-                       Br = Pr.getNode(Node.Right_son);
-                       Right_Rotate(Br);
-                    }
-                    else
-                    {
-                       Br = Pr.getNode(Node.Left_son);
-                       Left_Rotate(Br);
-                    }
-
-                    stage = 10;
-                    break;
-             case 10:   // This stage marks node that will be recolor.
+                stage = 10;
+                break;
+            // This stage marks node that will be recolor.
+            case 10:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Br = Pr.getNode(Node.Right_son);
+                } else {
+                    Br = Pr.getNode(Node.Left_son);
+                }
 
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                    {
-                       Br = Pr.getNode(Node.Right_son);
-                    }
-                    else
-                    {
-                       Br = Pr.getNode(Node.Left_son);
-                    }
+                stage = 11;
+                break;
+            // This stage recolors marked nodes.
+            case 11:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Br = Pr.getNode(Node.Right_son);
+                    Br.getNode(Node.Right_son).setColor(Node.Black);
+                } else {
+                    Br = Pr.getNode(Node.Left_son);
+                    Br.getNode(Node.Left_son).setColor(Node.Black);
 
-                    stage = 11;
-                    break;
-             case 11:    // this stage recolor marked nodes.
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                    {
-                       Br = Pr.getNode(Node.Right_son);
-                       (Br.getNode(Node.Right_son)).setColor(Node.Black);
-                    }
-                    else
-                    {
-                       Br = Pr.getNode(Node.Left_son);
-                       (Br.getNode(Node.Left_son)).setColor(Node.Black);
+                }
+                if (Br.getColor() != Pr.getColor()) {
+                    Br.setColor(Pr.getColor());
+                }
+                if (Pr.getColor() != Node.Black) {
+                    Pr.setColor(Node.Black);
+                }
 
-                    }
-                    if (Br.getColor() != Pr.getColor())
-                       Br.setColor(Pr.getColor());
-                    if (Pr.getColor() != Node.Black)
-                       Pr.setColor(Node.Black);
-
-                    stage = 12;
-                    break;
-             case 12:    // this stage perform rotation operation.
-                    Pr = node.getNode(Node.Parent);
-                    if (node == Pr.getNode(Node.Left_son))
-                       Left_Rotate(Pr);
-                    else
-                       Right_Rotate(Pr);
-                    node = root;
-                    if (node.getColor() == Node.Red)
-                    {
-                       stage = 13;
-                    }
-                    else
-                       stage = 0;
-                    break;
-             case 13:    // this stage marks a node that will be recolor
-                    stage = 14;
-                    break;
-             case 14:    // this stage recolor marked node.
-                    node.setColor(Node.Black);
+                stage = 12;
+                break;
+            // This stage performs rotation operation.
+            case 12:
+                Pr = node.getNode(Node.Parent);
+                if (node == Pr.getNode(Node.Left_son)) {
+                    Left_Rotate(Pr);
+                } else {
+                    Right_Rotate(Pr);
+                }
+                node = root;
+                if (node.getColor() == Node.Red) {
+                    stage = 13;
+                } else {
                     stage = 0;
-                    break;
-       }
-   }
-
-   // This method insert the node 'node' to the tree.
-   // it called from the first stage in the InsertStep method.
-   // we 'dive' from the root to a leaf acording to the node key
-   // and insert the node in the proper place.
+                }
+                break;
+            // This stage marks a node that will be recolored
+            case 13:
+                stage = 14;
+                break;
+            // This stage recolors marked node.
+            case 14:
+                node.setColor(Node.Black);
+                stage = 0;
+                break;
+        }
+    }
 
-   private void Tree_Insert()
-   {
-       Node n1,n2;
-       n1 = root;
-       n2 = treeNull;
-       while (n1 != treeNull)
-       {
-          n2 = n1;
-          if (node.getKey() < n1.getKey())
-             n1 = n1.getNode(Node.Left_son);
-          else
-             n1 = n1.getNode(Node.Right_son);
-       }
-       node.setNode(Node.Parent,n2);
-       if (n2 == treeNull)
-          root = node;
-       else
-       {
-          if (node.getKey() < n2.getKey())
-             n2.setNode(Node.Left_son,node);
-          else
-             n2.setNode(Node.Right_son,node);
-       }
-       //Parent.display.drawTree();
-       // updating the insertion stage.
-       if ((node == root) ||
-          ((node.getNode(Node.Parent)).getColor() == Node.Black))
-          if (root.getColor() == Node.Red)
-          {
-             stage = 9;
-          }
-          else
-             stage = 0;
-       else
-       {
-          stage = 2;
-          InsertStep();
-       }
-       num_of_nodes++;   // increasing the number of nodes
-   }
+    // This method inserts the node 'node' to the tree.
+    // it called from the first stage in the InsertStep method.
+    // we 'dive' from the root to a leaf according to the node key
+    // and insert the node in the proper place.
+    private void Tree_Insert() {
+        Node n1, n2;
+        n1 = root;
+        n2 = treeNull;
+        while (n1 != treeNull) {
+            n2 = n1;
+            if (node.getKey() < n1.getKey()) {
+                n1 = n1.getNode(Node.Left_son);
+            } else {
+                n1 = n1.getNode(Node.Right_son);
+            }
+        }
+        node.setNode(Node.Parent, n2);
+        if (n2 == treeNull) {
+            root = node;
+        }
+        else {
+            if (node.getKey() < n2.getKey()) {
+                n2.setNode(Node.Left_son, node);
+            } else {
+                n2.setNode(Node.Right_son, node);
+            }
+        }
+        // updating the insertion stage.
+        if ((node == root) ||
+                (node.getNode(Node.Parent).getColor() == Node.Black)) {
+            if (root.getColor() == Node.Red) {
+                stage = 9;
+            } else {
+                stage = 0;
+            }
+        } else {
+            stage = 2;
+            InsertStep();
+        }
+        num_of_nodes++;   // increasing the number of nodes
+    }
 
-   // This method delete the node 'node' from the tree.
-   // it called from the first stage in the DeleteStep method.
-   // if node has at most one son we just remove it and connect
-   // his son and parent. If it has 2 sons we delete his successor
-   // that has at most one son and replace him with the successor.
+    // This method deletes the node 'node' from the tree.
+    // it called from the first stage in the DeleteStep method.
+    // if node has at most one son we just remove it and connect
+    // his son and parent. If it has 2 sons we delete his successor
+    // that has at most one son and replace him with the successor.
+    private void Tree_Delete() {
+        Node n1, n2, n3;
+        if ((node.getNode(Node.Left_son) == treeNull) ||
+                (node.getNode(Node.Right_son) == treeNull)) {
+            n1 = node;
+        } else {
+            n1 = Tree_Successor(node);
+        }
 
-   private void Tree_Delete()
-   {
-      Node n1,n2,n3;
-      if ((node.getNode(Node.Left_son) == treeNull) ||
-          (node.getNode(Node.Right_son) == treeNull))
-         n1 = node;
-      else
-         n1 = Tree_Successor(node);
-      if (n1.getNode(node.Left_son) != treeNull)
-         n2 = n1.getNode(Node.Left_son);
-      else
-         n2 = n1.getNode(Node.Right_son);
+        if (n1.getNode(Node.Left_son) != treeNull) {
+            n2 = n1.getNode(Node.Left_son);
+        } else {
+            n2 = n1.getNode(Node.Right_son);
+        }
 
-      n3 = n1.getNode(Node.Parent);
-      n2.setNode(Node.Parent,n3);
-      if (n3 == treeNull)
-         root = n2;
-      else
-         if (n1 == n3.getNode(Node.Left_son))
-            n3.setNode(Node.Left_son,n2);
-         else
-            n3.setNode(Node.Right_son,n2);
+        n3 = n1.getNode(Node.Parent);
+        n2.setNode(Node.Parent, n3);
+        if (n3 == treeNull) {
+            root = n2;
+        } else if (n1 == n3.getNode(Node.Left_son)) {
+            n3.setNode(Node.Left_son, n2);
+        } else {
+            n3.setNode(Node.Right_son, n2);
+        }
 
-      if (n1 != node)
-      {
-         node.setKey(n1.getKey());
-      }
-
+        if (n1 != node) {
+            node.setKey(n1.getKey());
+        }
 
-      node = n2;
-      if (n1.getColor() == Node.Black)
-         if ((node != root) && (node.getColor() == Node.Black))
-            stage = 2;
-         else
-            if (node.getColor() == Node.Red)
-               stage = 13;
-            else
-               stage = 0;
-      else
-         stage = 0;
-      num_of_nodes--;      // decrease the number of nodes.
-   }
-
-   // This method return the successor of the node n in the tree.
+        node = n2;
+        if (n1.getColor() == Node.Black) {
+            if ((node != root) && (node.getColor() == Node.Black)) {
+                stage = 2;
+            } else if (node.getColor() == Node.Red) {
+                stage = 13;
+            } else {
+                stage = 0;
+            }
+        } else {
+            stage = 0;
+        }
+        // decrease the number of nodes.
+        num_of_nodes--;
+    }
 
-   private Node Tree_Successor(Node n)
-   {
-      Node n1;
-      if (n.getNode(Node.Right_son) != treeNull)
-      {
-         n = n.getNode(Node.Right_son);
-         while (n.getNode(Node.Left_son) != treeNull)
-             n = n.getNode(Node.Left_son);
-         return n;
-      }
-      n1 = n.getNode(Node.Parent);
-      while ((n1 != treeNull) && (n == n1.getNode(Node.Right_son)))
-      {
-         n = n1;
-         n1 = n1.getNode(Node.Parent);
-      }
-      return n1;
-   }
+    // This method returns the successor of the node n in the tree.
+    private Node Tree_Successor(Node n) {
+        Node n1;
+        if (n.getNode(Node.Right_son) != treeNull) {
+            n = n.getNode(Node.Right_son);
+            while (n.getNode(Node.Left_son) != treeNull) {
+                n = n.getNode(Node.Left_son);
+            }
+            return n;
+        }
+        n1 = n.getNode(Node.Parent);
+        while ((n1 != treeNull) && (n == n1.getNode(Node.Right_son))) {
+            n = n1;
+            n1 = n1.getNode(Node.Parent);
+        }
+        return n1;
+    }
 
-   // This method perform Left Rotation with n1.
+    // This method performs Left Rotation with n1.
+    private void Left_Rotate(Node n1) {
+        Node n2;
 
-   private void Left_Rotate(Node n1)
-   {
-      Node n2;
+        n2 = n1.getNode(Node.Right_son);
+        n1.setNode(Node.Right_son, n2.getNode(Node.Left_son));
+        if (n2.getNode(Node.Left_son) != treeNull) {
+            n2.getNode(Node.Left_son).setNode(Node.Parent, n1);
+        }
+        n2.setNode(Node.Parent, n1.getNode(Node.Parent));
+        if (n1.getNode(Node.Parent) == treeNull) {
+            root = n2;
+        } else if (n1 == n1.getNode(Node.Parent).getNode(Node.Left_son)) {
+            n1.getNode(Node.Parent).setNode(Node.Left_son, n2);
+        } else {
+            n1.getNode(Node.Parent).setNode(Node.Right_son, n2);
+        }
+        n2.setNode(Node.Left_son, n1);
+        n1.setNode(Node.Parent, n2);
+    }
 
-      n2 = n1.getNode(Node.Right_son);
-      n1.setNode(Node.Right_son,n2.getNode(Node.Left_son));
-      if (n2.getNode(Node.Left_son) != treeNull)
-         (n2.getNode(Node.Left_son)).setNode(Node.Parent,n1);
-      n2.setNode(Node.Parent,n1.getNode(Node.Parent));
-      if (n1.getNode(Node.Parent) == treeNull)
-         root = n2;
-      else
-         if (n1 == (n1.getNode(Node.Parent)).getNode(Node.Left_son))
-            (n1.getNode(Node.Parent)).setNode(Node.Left_son,n2);
-         else
-            (n1.getNode(Node.Parent)).setNode(Node.Right_son,n2);
-      n2.setNode(Node.Left_son,n1);
-      n1.setNode(Node.Parent,n2);
-   }
-
-   // This method perform Right Rotation with n1.
-
-   private void Right_Rotate(Node n1)
-   {
-      Node n2;
+    // This method performs Right Rotation with n1.
+    private void Right_Rotate(Node n1) {
+        Node n2;
 
-      n2 = n1.getNode(Node.Left_son);
-      n1.setNode(Node.Left_son,n2.getNode(Node.Right_son));
-      if (n2.getNode(Node.Right_son) != treeNull)
-         (n2.getNode(Node.Right_son)).setNode(Node.Parent,n1);
-      n2.setNode(Node.Parent,n1.getNode(Node.Parent));
-      if (n1.getNode(Node.Parent) == treeNull)
-         root = n2;
-      else
-         if (n1 == (n1.getNode(Node.Parent)).getNode(Node.Left_son))
-            (n1.getNode(Node.Parent)).setNode(Node.Left_son,n2);
-         else
-            (n1.getNode(Node.Parent)).setNode(Node.Right_son,n2);
-      n2.setNode(Node.Right_son,n1);
-      n1.setNode(Node.Parent,n2);
-   }
-
-   // This method search the tree for a node with key 'key', and
-   // return the node on success otherwise treeNull.
+        n2 = n1.getNode(Node.Left_son);
+        n1.setNode(Node.Left_son, n2.getNode(Node.Right_son));
+        if (n2.getNode(Node.Right_son) != treeNull) {
+            n2.getNode(Node.Right_son).setNode(Node.Parent, n1);
+        }
+        n2.setNode(Node.Parent, n1.getNode(Node.Parent));
+        if (n1.getNode(Node.Parent) == treeNull) {
+            root = n2;
+        } else if (n1 == (n1.getNode(Node.Parent)).getNode(Node.Left_son)) {
+            n1.getNode(Node.Parent).setNode(Node.Left_son, n2);
+        } else {
+            n1.getNode(Node.Parent).setNode(Node.Right_son, n2);
+        }
+        n2.setNode(Node.Right_son, n1);
+        n1.setNode(Node.Parent, n2);
+    }
 
-   public Node Search(int key)
-   {
-      Node node;
-      node = root;
-      while ((node != treeNull) && (key != node.getKey()))
-         if (key < node.getKey())
-            node = node.getNode(Node.Left_son);
-         else
-            node = node.getNode(Node.Right_son);
-      return node;
-   }
-
-   // This method update the tree height it uses a recursive method
-   // findheight.
+    // This method searches the tree for a node with key 'key', and
+    // returns the node on success otherwise treeNull.
+    public Node Search(int key) {
+        Node node;
+        node = root;
+        while ((node != treeNull) && (key != node.getKey())) {
+            if (key < node.getKey()) {
+                node = node.getNode(Node.Left_son);
+            } else {
+                node = node.getNode(Node.Right_son);
+            }
+        }
+        return node;
+    }
 
-   private void updateHeight()
-   {
-      height = 0;
-      if (root != treeNull)
-         findHeight(root,1);
-   }
-
-   // This is a recursive method that find a node height.
+    // This method updates the tree height. it uses a recursive method
+    // findHeight.
+    private void updateHeight() {
+        height = 0;
+        if (root != treeNull) {
+            findHeight(root, 1);
+        }
+    }
 
-   private void findHeight(Node n,int curr)
-   {
-      if (height < curr)
-         height = curr;
-      if (n.getNode(Node.Left_son) != treeNull)
-         findHeight(n.getNode(Node.Left_son),curr+1);
-      if (n.getNode(Node.Right_son) != treeNull)
-         findHeight(n.getNode(Node.Right_son),curr+1);
-   }
+    // This is a recursive method that find a node height.
+    private void findHeight(Node n, int curr) {
+        if (height < curr) {
+            height = curr;
+        }
+        if (n.getNode(Node.Left_son) != treeNull) {
+            findHeight(n.getNode(Node.Left_son), curr + 1);
+        }
+        if (n.getNode(Node.Right_son) != treeNull) {
+            findHeight(n.getNode(Node.Right_son), curr + 1);
+        }
+    }
 
 }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt0.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt0.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 1
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt0/cgt0.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt0.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 1
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt1.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt1.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 2
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt1/cgt1.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt1.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 2
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt10.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt10.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 11
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt10/cgt10.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt10.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 11
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt11.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt11.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 12
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt11/cgt11.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt11.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 12
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt2.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt2.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 3
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt2/cgt2.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt2.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 3
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt3.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt3.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 4
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt3/cgt3.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt3.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 4
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt4.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt4.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 5
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt4/cgt4.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt4.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 5
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt5.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt5.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 6
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt5/cgt5.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt5.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 6
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt6.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt6.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 7
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt6/cgt6.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt6.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 7
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt7.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt7.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 8
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt7/cgt7.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt7.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 8
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt8.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt8.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 9
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt8/cgt8.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt8.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 9
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/cgt9.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+/*
+ * @test
+ *
+ * @summary converted from VM Testbase jit/graph/cgt9.
+ * VM Testbase keywords: [jit, quick]
+ *
+ * @library /vmTestbase
+ *          /test/lib
+ * @run driver jdk.test.lib.FileInstaller data/main.data main.data
+ * @build jit.graph.*
+ * @run main
+ *      jit.graph.CGT
+ *      -path main.data
+ *      -numTestClass 10
+ *      -randomLoop 40
+ *      -staticLoop 40
+ */
+
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/cgt9/cgt9.java	Mon Oct 07 16:48:42 2019 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-
-/*
- * @test
- *
- * @summary converted from VM Testbase jit/graph/cgt9.
- * VM Testbase keywords: [jit, quick]
- *
- * @library /vmTestbase
- *          /test/lib
- * @run driver jdk.test.lib.FileInstaller . .
- * @run driver jdk.test.lib.FileInstaller ../data/main.data main.data
- * @build jit.graph.*
- * @run driver ExecDriver --java
- *      jit.graph.CGT
- *      -path main.data
- *      -numTestClass 10
- *      -thread 1
- *      -randomLoop 40
- *      -staticLoop 40
- */
-
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/test1.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/test1.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -20,31 +20,30 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package jit.graph;
 
-
-
-import java.util.*;
-import java.lang.reflect.*;
 import nsk.share.TestFailure;
 
-class test1
-{
+import java.lang.reflect.InvocationTargetException;
+import java.util.Vector;
+
+class test1 {
     private final int classID = Globals.MethodID_Array[0];
 
     public void callMe(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-        throws InvocationTargetException
-    {
-        Globals.appendSumToSumationVector(classID, summation);
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(classID, summation);
 
-        if (CGT.shouldFinish())
+        if (CGT.shouldFinish()) {
             return;
+        }
 
-        if (Globals.VERBOSE)
+        if (Globals.VERBOSE) {
             System.out.println("test1.callMe");
+        }
 
-        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-        {
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
             return;
         }
 
@@ -52,16 +51,12 @@
         Long numFcalls;
         Integer staticFcalls;
 
-        if (staticFunctionDepth.intValue() > 0)
-        {
+        if (staticFunctionDepth.intValue() > 0) {
             numFcalls = functionDepth;
-            staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-            //methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(classID));
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
             methodCallStr = Globals.returnNextStaticMethod(classID);
-        }
-        else
-        {
-            numFcalls = new Long(functionDepth.longValue() -1);
+        } else {
+            numFcalls = new Long(functionDepth.longValue() - 1);
             staticFcalls = staticFunctionDepth;
             methodCallStr = Globals.nextRandomMethod();
         }
@@ -69,10 +64,10 @@
         Globals.addFunctionIDToVector(methodCallStr.id, ID);
 
         try {
-                                methodCallStr.nextMethod.invoke(methodCallStr.instance,
-                                        new Object []{summation, ID, numFcalls, staticFcalls});
+            methodCallStr.nextMethod.invoke(methodCallStr.instance,
+                    new Object[]{summation, ID, numFcalls, staticFcalls});
         } catch (IllegalAccessException iax) {
-                                throw new TestFailure("Illegal Access Exception");
+            throw new TestFailure("Illegal Access Exception");
         }
     }
 }
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/test2.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/test2.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -20,126 +20,98 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package jit.graph;
 
-import java.util.*;
-import java.lang.reflect.*;
 import nsk.share.TestFailure;
 
-class test2
-{
-    private final int[] MethodID = {Globals.MethodID_Array[1],Globals.MethodID_Array[2]};
+import java.lang.reflect.InvocationTargetException;
+import java.util.Vector;
+
+class test2 {
+    private final int[] MethodID = {Globals.MethodID_Array[1], Globals.MethodID_Array[2]};
 
     public void CallCallMe(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-        throws InvocationTargetException
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[1], summation);
 
-    {
-        Globals.appendSumToSumationVector(MethodID[1], summation);
-
-        if (CGT.shouldFinish())
+        if (CGT.shouldFinish()) {
             return;
+        }
 
-        if (Globals.VERBOSE)
+        if (Globals.VERBOSE) {
             System.out.println("test2.CallCallMe");
+        }
 
-                if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-                    {
-                        return;
-                    }
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
 
-                MethodData methodCallStr;
-                Long numFcalls;
-                Integer staticFcalls;
-                if (staticFunctionDepth.intValue() > 0)
-                    {
-                        numFcalls = functionDepth;
-                        staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-                        //methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[1]));
-                        methodCallStr = Globals.returnNextStaticMethod(MethodID[1]);
+        MethodData methodCallStr;
+        Long numFcalls;
+        Integer staticFcalls;
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[1]);
 
-                        Globals.addFunctionIDToVector(methodCallStr.id, ID);
-                    }
-                else
-                    {
-                        numFcalls = new Long(functionDepth.longValue()-1);
-                        staticFcalls = staticFunctionDepth;
-                        Globals.addFunctionIDToVector(MethodID[0], ID);
-                        callMe(summation, ID, numFcalls, staticFcalls);
-                        return;
-                    }
+            Globals.addFunctionIDToVector(methodCallStr.id, ID);
+        } else {
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            Globals.addFunctionIDToVector(MethodID[0], ID);
+            callMe(summation, ID, numFcalls, staticFcalls);
+            return;
+        }
 
 
-                try
-                    {
-                        methodCallStr.nextMethod.invoke(methodCallStr.instance,
-                                                        new Object []{summation, ID, numFcalls, staticFcalls});
-                    }
-                catch (IllegalAccessException iax)
-                    {
-                        throw new TestFailure("Illegal Access Exception");
-                    }
-                /*
-                catch (InvocationTargetException itx)
-                    {
-                                throw itx;
-                    }
-                */
+        try {
+            methodCallStr.nextMethod.invoke(methodCallStr.instance,
+                    new Object[]{summation, ID, numFcalls, staticFcalls});
+        } catch (IllegalAccessException iax) {
+            throw new TestFailure("Illegal Access Exception");
+        }
     }
 
     public void callMe(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-        throws InvocationTargetException
-    {
-        Globals.appendSumToSumationVector(MethodID[0], summation);
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[0], summation);
 
-        if (CGT.shouldFinish())
+        if (CGT.shouldFinish()) {
             return;
+        }
 
-        if (Globals.VERBOSE)
+        if (Globals.VERBOSE) {
             System.out.println("test2.callMe");
+        }
 
-                if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-                    {
-                        return;
-                    }
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
 
-                MethodData methodCallStr;
-                Long numFcalls;
-                Integer staticFcalls;
-                if (staticFunctionDepth.intValue() > 0)
-            {
-                        numFcalls = functionDepth;
-                        staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-                        //methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[0]));
-                        methodCallStr = Globals.returnNextStaticMethod(MethodID[0]);
+        MethodData methodCallStr;
+        Long numFcalls;
+        Integer staticFcalls;
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[0]);
 
-            }
-                else
-            {
-                        numFcalls = new Long(functionDepth.longValue() -1);
-                        staticFcalls = staticFunctionDepth;
-                        methodCallStr = Globals.nextRandomMethod();
-            }
+        } else {
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            methodCallStr = Globals.nextRandomMethod();
+        }
 
-                Globals.addFunctionIDToVector(methodCallStr.id, ID);
+        Globals.addFunctionIDToVector(methodCallStr.id, ID);
 
 
-                try
-            {
-                        methodCallStr.nextMethod.invoke(methodCallStr.instance,
-                                new Object []{summation, ID, numFcalls, staticFcalls});
-            }
-                catch (IllegalAccessException iax)
-            {
-                        throw new TestFailure("Illegal Access Exception");
-            }
-/*
-                catch (InvocationTargetException itx)
-                    {
-                                System.out.println("itx test 2");
-
-                                throw itx;
-                    }
-                    */
+        try {
+            methodCallStr.nextMethod.invoke(methodCallStr.instance,
+                    new Object[]{summation, ID, numFcalls, staticFcalls});
+        } catch (IllegalAccessException iax) {
+            throw new TestFailure("Illegal Access Exception");
+        }
 
     }
 }
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/test3.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/test3.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -20,102 +20,95 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package jit.graph;
 
-import java.util.*;
-import java.lang.reflect.*;
-import nsk.share.TestFailure;
-
+import jdk.test.lib.Utils;
 
-class test3 extends test1
-{
+import java.lang.reflect.InvocationTargetException;
+import java.util.Random;
+import java.util.Vector;
 
-    private final int[] MethodID = {Globals.MethodID_Array[3],Globals.MethodID_Array[4]};
-    private static Random loopNumGen = new Random(Globals.RANDOM_SEED);
+class test3 extends test1 {
+
+    private final int[] MethodID = {Globals.MethodID_Array[3], Globals.MethodID_Array[4]};
+    private static Random loopNumGen = new Random(Utils.SEED);
 
     private final int maxLoops = 10;
     private int localNumLoops = loopNumGen.nextInt(maxLoops);
 
     public void selfRecursion(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-                throws InvocationTargetException
-    {
-        Globals.appendSumToSumationVector(MethodID[1], summation);
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[1], summation);
 
-        if (CGT.shouldFinish())
+        if (CGT.shouldFinish()) {
             return;
+        }
 
-        if (Globals.VERBOSE)
+        if (Globals.VERBOSE) {
             System.out.println("test3.selfRecursion");
-        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-            {
-                return;
-            }
+        }
+
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
 
         MethodData methodCallStr;
         Long numFcalls;
         Integer staticFcalls;
-        if (staticFunctionDepth.intValue() > 0) //make a static call
-            {
-                numFcalls = functionDepth;
-                staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-                //methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[1]));
-                methodCallStr = Globals.returnNextStaticMethod(MethodID[1]);
-            }
-        else if (localNumLoops > 0)  //make a recursive call
-            {
-                numFcalls = new Long(functionDepth.longValue()-1);
-                staticFcalls = staticFunctionDepth;
-                Globals.addFunctionIDToVector(MethodID[1], ID);
-                localNumLoops--;
-                selfRecursion(summation, ID, numFcalls, staticFcalls);
-                return;
-            }
-        else //make a random call
-            {
-                numFcalls = new Long(functionDepth.longValue() -1);
-                staticFcalls = staticFunctionDepth;
-                methodCallStr = Globals.nextRandomMethod();
+        // make a static call
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[1]);
+        } else if (localNumLoops > 0) { // make a recursive call
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            Globals.addFunctionIDToVector(MethodID[1], ID);
+            localNumLoops--;
+            selfRecursion(summation, ID, numFcalls, staticFcalls);
+            return;
+        } else { // make a random call
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            methodCallStr = Globals.nextRandomMethod();
 
-                localNumLoops = loopNumGen.nextInt(maxLoops);   //get ready for the next call to this method
-            }
+            // get ready for the next call to this method
+            localNumLoops = loopNumGen.nextInt(maxLoops);
+        }
         Globals.addFunctionIDToVector(methodCallStr.id, ID);
         Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
 
     }
 
     public void callMe(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-                throws InvocationTargetException
-    {
-        Globals.appendSumToSumationVector(MethodID[0], summation);
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[0], summation);
 
-        if (CGT.shouldFinish())
+        if (CGT.shouldFinish()) {
             return;
+        }
 
-        if (Globals.VERBOSE)
+        if (Globals.VERBOSE) {
             System.out.println("test3.callMe");
+        }
 
-        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-            {
-                return;
-            }
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
         MethodData methodCallStr;
         Long numFcalls;
         Integer staticFcalls;
-        if (staticFunctionDepth.intValue() > 0)
-            {
-                numFcalls = functionDepth;
-                staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-                //methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[0]));
-                methodCallStr = Globals.returnNextStaticMethod(MethodID[0]);
-            }
-        else
-            {
-                numFcalls = new Long(functionDepth.longValue() -1);
-                staticFcalls = staticFunctionDepth;
-                methodCallStr = Globals.nextRandomMethod();
-            }
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[0]);
+        } else {
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            methodCallStr = Globals.nextRandomMethod();
+        }
         Globals.addFunctionIDToVector(methodCallStr.id, ID);
         Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
-
     }
 }
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/test4.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/test4.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -20,114 +20,106 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package jit.graph;
 
-import java.util.*;
-import java.lang.reflect.*;
-import nsk.share.TestFailure;
-
+import java.lang.reflect.InvocationTargetException;
+import java.util.Vector;
 
-class test4 extends test2
-{
-    private final int[] MethodID = {Globals.MethodID_Array[1],Globals.MethodID_Array[5], Globals.MethodID_Array[6]};
+class test4 extends test2 {
+    private final int[] MethodID = {Globals.MethodID_Array[1], Globals.MethodID_Array[5], Globals.MethodID_Array[6]};
 
-    //this method verifies that a child can make a call to its parent
+    // this method verifies that a child can make a call to its parent
     public void CallCallMe(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-        throws InvocationTargetException
-    {
-        Globals.appendSumToSumationVector(MethodID[1], summation);
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[1], summation);
 
-        if (CGT.shouldFinish())
+        if (CGT.shouldFinish()) {
             return;
+        }
 
-        if (Globals.VERBOSE)
+        if (Globals.VERBOSE) {
             System.out.println("test4.CallCallMe");
+        }
 
-        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-            {
-                return;
-            }
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
 
         MethodData methodCallStr;
         Long numFcalls;
         Integer staticFcalls;
-        if (staticFunctionDepth.intValue() > 0)
-            {
-                numFcalls = functionDepth;
-                staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-                //methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[1]));
-                methodCallStr = Globals.returnNextStaticMethod(MethodID[1]);
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[1]);
 
-                Globals.addFunctionIDToVector(methodCallStr.id, ID);
-            }
-        else
-            {
-                numFcalls = new Long(functionDepth.longValue()-1);
-                staticFcalls = staticFunctionDepth;
-                Globals.addFunctionIDToVector(MethodID[0], ID);
-                super.callMe(summation, ID, numFcalls, staticFcalls);
-                return;
-            }
+            Globals.addFunctionIDToVector(methodCallStr.id, ID);
+        } else {
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            Globals.addFunctionIDToVector(MethodID[0], ID);
+            super.callMe(summation, ID, numFcalls, staticFcalls);
+            return;
+        }
 
 
         Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
     }
 
-    //this method makes a Y fork in the method call structure
+    // this method makes a Y fork in the method call structure
     public void callMe(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-                throws InvocationTargetException
-    {
-        Globals.appendSumToSumationVector(MethodID[2], summation);
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[2], summation);
 
-        if (CGT.shouldFinish())
+        if (CGT.shouldFinish()) {
             return;
-
-        if (Globals.VERBOSE)
-            System.out.println("test4.callMe");
+        }
 
-        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-            {
-                return;
-            }
+        if (Globals.VERBOSE) {
+            System.out.println("test4.callMe");
+        }
+
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
 
         MethodData methodCallStr;
         Long numFcalls;
         Integer staticFcalls;
-        if (staticFunctionDepth.intValue() > 0)
-            {
-                numFcalls = functionDepth;
-                staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-                //methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[2]));
-                methodCallStr = Globals.returnNextStaticMethod(MethodID[2]);
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[2]);
+        } else {
+            long temp = functionDepth.longValue() - 2;
+            numFcalls = new Long(temp / 2);
+            staticFcalls = staticFunctionDepth;
 
+            if (Globals.VERBOSE) {
+                System.out.println(" test4.callMe - Starting Branch 1");
             }
-        else
-            {
-                long temp = functionDepth.longValue()-2;
-                numFcalls = new Long(temp/2);
-                staticFcalls = staticFunctionDepth;
+            methodCallStr = Globals.nextRandomMethod();
+            Globals.addFunctionIDToVector(methodCallStr.id, ID);
+            Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
 
-                if (Globals.VERBOSE)
-                    System.out.println(" test4.callMe - Starting Branch 1");
-                methodCallStr = Globals.nextRandomMethod();
-                Globals.addFunctionIDToVector(methodCallStr.id, ID);
-                Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
-
-                if (CGT.shouldFinish())
-                    return;
+            if (CGT.shouldFinish()) {
+                return;
+            }
 
-                temp -= temp/2;
-                if (temp <0)
-                  {
-                    if (Globals.VERBOSE)
-                      System.out.println(" test4.callMe - Skipping Branch 2");
-                    return;
-                  }
-                if (Globals.VERBOSE)
-                    System.out.println(" test4.callMe - Starting Branch 2");
-                numFcalls = new Long(temp);
-                methodCallStr = Globals.nextRandomMethod();
+            temp -= temp / 2;
+            if (temp < 0) {
+                if (Globals.VERBOSE) {
+                    System.out.println(" test4.callMe - Skipping Branch 2");
+                }
+                return;
             }
+            if (Globals.VERBOSE) {
+                System.out.println(" test4.callMe - Starting Branch 2");
+            }
+            numFcalls = new Long(temp);
+            methodCallStr = Globals.nextRandomMethod();
+        }
         Globals.addFunctionIDToVector(methodCallStr.id, ID);
         Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
     }
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/test5.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/test5.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -20,320 +20,305 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package jit.graph;
 
-import java.util.*;
-import java.lang.reflect.*;
+import jdk.test.lib.Utils;
 import nsk.share.TestFailure;
 
-class test5
-{
-  private final int[] MethodID = {Globals.MethodID_Array[7],
-                                  Globals.MethodID_Array[8],
-                                  Globals.MethodID_Array[9],
-                                  Globals.MethodID_Array[10]};
-  private static Random loopNumGen = new Random(Globals.RANDOM_SEED);
+import java.lang.reflect.InvocationTargetException;
+import java.util.Random;
+import java.util.Vector;
 
-  private final int maxLoops = 12;
+class test5 {
+    private final int[] MethodID = {Globals.MethodID_Array[7],
+            Globals.MethodID_Array[8],
+            Globals.MethodID_Array[9],
+            Globals.MethodID_Array[10]};
+    private static Random loopNumGen = new Random(Utils.SEED);
 
-  private long factorial(int n)
-  {
-    if(n>1)
-      return(n*factorial(n-1));
-    else
-      return (1);
-  }
+    private final int maxLoops = 12;
+
+    private long factorial(int n) {
+        if (n > 1) {
+            return (n * factorial(n - 1));
+        } else {
+            return (1);
+        }
+    }
 
-  private long fibonacci(long num1, long num2, int n)
-  {
-    if (n <= 0)
-      return(num2);
-    else
-      return (fibonacci(num2, num1+num2, n-1));
-  }
+    private long fibonacci(long num1, long num2, int n) {
+        if (n <= 0) {
+            return (num2);
+        } else {
+            return (fibonacci(num2, num1 + num2, n - 1));
+        }
+    }
 
-  private long combination(int n, int r)
-  {
-    if ((r==0) || (n==r))
-      return 1;
-    else
-      return(combination(n-1, r) +combination(n - 1, r - 1));
-  }
+    private long combination(int n, int r) {
+        if ((r == 0) || (n == r)) {
+            return 1;
+        } else {
+            return (combination(n - 1, r) + combination(n - 1, r - 1));
+        }
+    }
 
-  private int[] pascalsTriangle(int[] source, int n)
-  {
-    if (n>0)
-      {
-        int sourceLength = source.length;
-        int [] temp = new int[sourceLength +1];
-        temp[0] = 1;
-        temp[sourceLength] = 1;
-
-        int j=1;
-        for(int i = 0; i<(sourceLength - 1); i++)
-          temp[j++] = source[i] + source[i+1];
+    private int[] pascalsTriangle(int[] source, int n) {
+        if (n > 0) {
+            int sourceLength = source.length;
+            int[] temp = new int[sourceLength + 1];
+            temp[0] = 1;
+            temp[sourceLength] = 1;
 
-        return(pascalsTriangle(temp, n-1));
-      }
-    else
-      return source;
-  }
+            int j = 1;
+            for (int i = 0; i < (sourceLength - 1); i++) {
+                temp[j++] = source[i] + source[i + 1];
+            }
 
-  private boolean verifyArray(int[] ArrayToBeVerified, int[] MasterArray)
-  {
-    if (ArrayToBeVerified.length != MasterArray.length)
-      return false;
+            return pascalsTriangle(temp, n - 1);
+        } else {
+            return source;
+        }
+    }
 
-    for (int i =0; i<MasterArray.length; i++)
-      if (MasterArray[i] != ArrayToBeVerified[i])
-        return false;
-    return true;
-  }
+    private boolean verifyArray(int[] ArrayToBeVerified, int[] MasterArray) {
+        if (ArrayToBeVerified.length != MasterArray.length) {
+            return false;
+        }
 
-  private int[] verifyPascal(int n)
-  {
-    int []   pascalOut = new int[n+1];
-    int [][] dataArray = new int[n+1][n+1];
+        for (int i = 0; i < MasterArray.length; i++) {
+            if (MasterArray[i] != ArrayToBeVerified[i]) {
+                return false;
+            }
+        }
+        return true;
+    }
 
-    for (int i = 0; i<=n; i++)
-      {
-        for (int j = 0; j<=n; j++)
-          {
-            if (j==0)
-              dataArray[i][0] = 1;
-            else if (j==i)
-              dataArray[i][i] = 1;
-            else if (j<i)
-              dataArray[i][j] =  dataArray[i-1][j-1] + dataArray[i-1][j];
-          }
-      }
+    private int[] verifyPascal(int n) {
+        int[] pascalOut = new int[n + 1];
+        int[][] dataArray = new int[n + 1][n + 1];
 
-    int j = n;                            //could be a little more efficient
-    for (int i = 0; i<=n; i++)            //but not that important
-      pascalOut[i] = dataArray[j][i];
-    return pascalOut;
-  }
+        for (int i = 0; i <= n; i++) {
+            for (int j = 0; j <= n; j++) {
+                if (j == 0) {
+                    dataArray[i][0] = 1;
+                } else if (j == i) {
+                    dataArray[i][i] = 1;
+                } else if (j < i) {
+                    dataArray[i][j] = dataArray[i - 1][j - 1] + dataArray[i - 1][j];
+                }
+            }
+        }
 
-  private long verifyFact(int n)
-  {
-    long answer = 1;
-    for (int i=2; i<=n; i++)
-        answer*=i;
-    return answer;
-  }
-
-  private long verifyFibo(int n)
-  {
-    long num1=1;
-    long num2=1;
+        // could be a little more efficient, but not that important
+        int j = n;
+        for (int i = 0; i <= n; i++) {
+            pascalOut[i] = dataArray[j][i];
+        }
+        return pascalOut;
+    }
 
-    for (int i = 0; i< n; i++)
-      {
-        long temp = num1+num2;
-        num1 = num2;
-        num2 = temp;
-      }
-
-    return num2;
-  }
+    private long verifyFact(int n) {
+        long answer = 1;
+        for (int i = 2; i <= n; i++) {
+            answer *= i;
+        }
+        return answer;
+    }
 
-  private long verifyComb(int n, int r)
-  {
-    return(verifyFact(n)/(verifyFact(n-r)*verifyFact(r)));
-  }
+    private long verifyFibo(int n) {
+        long num1 = 1;
+        long num2 = 1;
 
-  public void factTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-        throws InvocationTargetException
-  {
-    Globals.appendSumToSumationVector(MethodID[0], summation);
+        for (int i = 0; i < n; i++) {
+            long temp = num1 + num2;
+            num1 = num2;
+            num2 = temp;
+        }
 
-    if (CGT.shouldFinish())
-      return;
+        return num2;
+    }
 
-    if (Globals.VERBOSE)
-      System.out.println("test5.factTest");
+    private long verifyComb(int n, int r) {
+        return (verifyFact(n) / (verifyFact(n - r) * verifyFact(r)));
+    }
 
-    if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-      {
-        return;
-      }
-    MethodData methodCallStr;
-    Long numFcalls;
-    Integer staticFcalls;
+    public void factTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[0], summation);
 
-    if (staticFunctionDepth.intValue() > 0)
-      {
-        numFcalls = functionDepth;
-        staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-        methodCallStr = Globals.returnNextStaticMethod(MethodID[0]);
-        //methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[0]));
-      }
-    else
-      {
-        numFcalls = new Long(functionDepth.longValue() -1);
-        staticFcalls = staticFunctionDepth;
-        methodCallStr = Globals.nextRandomMethod();
-      }
+        if (CGT.shouldFinish()) {
+            return;
+        }
+
+        if (Globals.VERBOSE) {
+            System.out.println("test5.factTest");
+        }
+
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
+        MethodData methodCallStr;
+        Long numFcalls;
+        Integer staticFcalls;
 
-    int localNumLoops    = loopNumGen.nextInt(maxLoops);
-    long facFunctionValue = factorial(localNumLoops);
-    long facVerValue      = verifyFact(localNumLoops);
-    if (facFunctionValue != facVerValue)
-      {
-        System.out.println("Factorial Computed Incorrectly");
-        System.out.println("Specific Factorial Requested "+localNumLoops +"!");
-        throw new TestFailure("Expected: " + facVerValue + " Actual "+ facFunctionValue);
-      }
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[0]);
+        } else {
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            methodCallStr = Globals.nextRandomMethod();
+        }
 
-    Globals.addFunctionIDToVector(methodCallStr.id, ID);
-    Globals.callMethod(methodCallStr,summation, ID, numFcalls, staticFcalls);
-  }
+        int localNumLoops = loopNumGen.nextInt(maxLoops);
+        long facFunctionValue = factorial(localNumLoops);
+        long facVerValue = verifyFact(localNumLoops);
+        if (facFunctionValue != facVerValue) {
+            System.out.println("Factorial Computed Incorrectly");
+            System.out.println("Specific Factorial Requested " + localNumLoops + "!");
+            throw new TestFailure("Expected: " + facVerValue + " Actual " + facFunctionValue);
+        }
 
-  public void fiboTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-        throws InvocationTargetException
-  {
-    Globals.appendSumToSumationVector(MethodID[1], summation);
+        Globals.addFunctionIDToVector(methodCallStr.id, ID);
+        Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
+    }
 
-    if (CGT.shouldFinish())
-        return;
+    public void fiboTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[1], summation);
 
-    if (Globals.VERBOSE)
-      System.out.println("test5.fiboTest");
+        if (CGT.shouldFinish()) {
+            return;
+        }
 
-    if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-      {
-        return;
-      }
-    MethodData methodCallStr;
-    Long numFcalls;
-    Integer staticFcalls;
-    if (staticFunctionDepth.intValue() > 0)
-      {
-        numFcalls = functionDepth;
-        staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-        methodCallStr = Globals.returnNextStaticMethod(MethodID[1]);
-      }
-    else
-      {
-        numFcalls = new Long(functionDepth.longValue() -1);
-        staticFcalls = staticFunctionDepth;
-        methodCallStr = Globals.nextRandomMethod();
-      }
-    int localNumLoops      = loopNumGen.nextInt(maxLoops*3);
-    long fiboFunctionValue = fibonacci(1,1,localNumLoops);
-    long fiboVerValue      = verifyFibo(localNumLoops);
-    if (fiboFunctionValue != fiboVerValue)
-      {
-        System.out.println("Fibonacci Series Computed Incorrectly");
-        System.out.println("Specific Digit Requested "+localNumLoops);
-        throw new TestFailure("Expected: " + fiboVerValue + " Actual "+ fiboFunctionValue);
-      }
+        if (Globals.VERBOSE) {
+            System.out.println("test5.fiboTest");
+        }
 
-    Globals.addFunctionIDToVector(methodCallStr.id, ID);
-    Globals.callMethod(methodCallStr,summation, ID, numFcalls, staticFcalls);
-  }
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
+        MethodData methodCallStr;
+        Long numFcalls;
+        Integer staticFcalls;
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[1]);
+        } else {
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            methodCallStr = Globals.nextRandomMethod();
+        }
+        int localNumLoops = loopNumGen.nextInt(maxLoops * 3);
+        long fiboFunctionValue = fibonacci(1, 1, localNumLoops);
+        long fiboVerValue = verifyFibo(localNumLoops);
+        if (fiboFunctionValue != fiboVerValue) {
+            System.out.println("Fibonacci Series Computed Incorrectly");
+            System.out.println("Specific Digit Requested " + localNumLoops);
+            throw new TestFailure("Expected: " + fiboVerValue + " Actual " + fiboFunctionValue);
+        }
+
+        Globals.addFunctionIDToVector(methodCallStr.id, ID);
+        Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
+    }
 
 
-  public void combTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-        throws InvocationTargetException
-  {
-    Globals.appendSumToSumationVector(MethodID[2], summation);
-
-    if (CGT.shouldFinish())
-        return;
-
-    if (Globals.VERBOSE)
-      System.out.println("test5.combTest");
+    public void combTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[2], summation);
 
-    if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-      {
-        return;
-      }
-    MethodData methodCallStr;
-    Long numFcalls;
-    Integer staticFcalls;
-    if (staticFunctionDepth.intValue() > 0)
-      {
-        numFcalls = functionDepth;
-        staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
+        if (CGT.shouldFinish()) {
+            return;
+        }
+
+        if (Globals.VERBOSE) {
+            System.out.println("test5.combTest");
+        }
 
-        methodCallStr = Globals.returnNextStaticMethod(MethodID[2]);
-        //methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[2]));
-      }
-    else
-      {
-        numFcalls = new Long(functionDepth.longValue() -1);
-        staticFcalls = staticFunctionDepth;
-        methodCallStr = Globals.nextRandomMethod();
-      }
-    int n = loopNumGen.nextInt(maxLoops);
-    int k = (n>0)?loopNumGen.nextInt(n):0;
-    long combFunctionValue = combination(n, k);
-    long combVerValue      = verifyComb(n, k);
-    if (combFunctionValue != combVerValue)
-      {
-        System.out.println("Combination Computed Incorrectly");
-        System.out.println("N = " + n +"K = " + k);
-        throw new TestFailure("Expected: " + combVerValue + " Actual "+ combFunctionValue);
-      }
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
+        MethodData methodCallStr;
+        Long numFcalls;
+        Integer staticFcalls;
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[2]);
+        } else {
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            methodCallStr = Globals.nextRandomMethod();
+        }
+        int n = loopNumGen.nextInt(maxLoops);
+        int k = (n > 0) ? loopNumGen.nextInt(n) : 0;
+        long combFunctionValue = combination(n, k);
+        long combVerValue = verifyComb(n, k);
+        if (combFunctionValue != combVerValue) {
+            System.out.println("Combination Computed Incorrectly");
+            System.out.println("N = " + n + "K = " + k);
+            throw new TestFailure("Expected: " + combVerValue + " Actual " + combFunctionValue);
+        }
 
-    Globals.addFunctionIDToVector(methodCallStr.id, ID);
-    Globals.callMethod(methodCallStr,summation, ID, numFcalls, staticFcalls);
-  }
+        Globals.addFunctionIDToVector(methodCallStr.id, ID);
+        Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
+    }
 
 
-  public void pascalTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-        throws InvocationTargetException
-  {
-    Globals.appendSumToSumationVector(MethodID[3], summation);
+    public void pascalTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[3], summation);
 
-    if (CGT.shouldFinish())
-        return;
+        if (CGT.shouldFinish()) {
+            return;
+        }
 
-int [] x = new int[1 << 30];
-x[1 << 24] = 1;
+        if (Globals.VERBOSE) {
+            System.out.println("test5.pascalTest");
+        }
 
-    if (Globals.VERBOSE)
-      System.out.println("test5.pascalTest");
+        int[] x = new int[1 << 30];
+        x[1 << 24] = 1;
 
-    if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-      {
-        return;
-      }
-    MethodData methodCallStr;
-    Long numFcalls;
-    Integer staticFcalls;
-    if (staticFunctionDepth.intValue() > 0)
-      {
-        numFcalls = functionDepth;
-        staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-        methodCallStr = Globals.returnNextStaticMethod(MethodID[3]);
-        //methodCallStr = Globals.nextStaticMethod(Globals.getIndexFromID(MethodID[3]));
-      }
-    else
-      {
-        numFcalls = new Long(functionDepth.longValue() -1);
-        staticFcalls = staticFunctionDepth;
-        methodCallStr = Globals.nextRandomMethod();
-      }
-    int num = loopNumGen.nextInt(maxLoops);
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
+        MethodData methodCallStr;
+        Long numFcalls;
+        Integer staticFcalls;
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[3]);
+        } else {
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            methodCallStr = Globals.nextRandomMethod();
+        }
+        int num = loopNumGen.nextInt(maxLoops);
 
-    int[] pascalFunctionValue = pascalsTriangle(new int[] {1}, num);
-    int[] pascalVerValue      = verifyPascal(num);
-    if (!verifyArray(pascalFunctionValue, pascalVerValue))
-      {
-        String temp = new String("Expected: ");
-        for (int i=0; i<pascalVerValue.length; i++)
-          temp += pascalVerValue[i] +", ";
-        temp+=  " Actual ";
-        for (int i=0; i<pascalFunctionValue.length; i++)
-          temp += pascalFunctionValue[i] +", ";
-        System.out.println("Pascal Tringle Row Computed Incorrectly");
-        System.out.println("Row Number " + num);
-        throw new TestFailure(temp);
-      }
+        int[] pascalFunctionValue = pascalsTriangle(new int[]{1}, num);
+        int[] pascalVerValue = verifyPascal(num);
+        if (!verifyArray(pascalFunctionValue, pascalVerValue)) {
+            StringBuilder temp = new StringBuilder("Expected: ");
+            for (int aPascalVerValue : pascalVerValue) {
+                temp.append(aPascalVerValue)
+                    .append(", ");
+            }
+            temp.append(" Actual ");
+            for (int aPascalFunctionValue : pascalFunctionValue) {
+                temp.append(aPascalFunctionValue)
+                    .append(", ");
+            }
+            System.out.println("Pascal Tringle Row Computed Incorrectly");
+            System.out.println("Row Number " + num);
+            throw new TestFailure(temp.toString());
+        }
 
-    Globals.addFunctionIDToVector(methodCallStr.id, ID);
-    Globals.callMethod(methodCallStr,summation, ID, numFcalls, staticFcalls);
-  }
+        Globals.addFunctionIDToVector(methodCallStr.id, ID);
+        Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
+    }
 }
--- a/test/hotspot/jtreg/vmTestbase/jit/graph/test6.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/jit/graph/test6.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -20,61 +20,58 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
 package jit.graph;
 
-import java.util.*;
-import java.lang.reflect.*;
+import jdk.test.lib.Utils;
 import nsk.share.TestFailure;
 
-public class test6
-{
+import java.lang.reflect.InvocationTargetException;
+import java.util.Random;
+import java.util.Vector;
+
+public class test6 {
     private static final int[] MethodID = {Globals.MethodID_Array[11]};
 
-    private static Random localNumGen = new Random(Globals.RANDOM_SEED);
+    private static Random localNumGen = new Random(Utils.SEED);
     private static final int maxEntries = 25;
 
-    //flattens the binary tree into an array
-    private void getSortedArray(Node root, int [] dataArray, int[] index)
-    {
-        if ((root != null) && (root!=RBTree.treeNull))
-            {
-                getSortedArray(root.getNode(Node.Left_son), dataArray, index);
-                dataArray[index[0]++] = root.getKey();
-                getSortedArray(root.getNode(Node.Right_son), dataArray, index);
-            }
+    // flattens the binary tree into an array
+    private void getSortedArray(Node root, int[] dataArray, int[] index) {
+        if ((root != null) && (root != RBTree.treeNull)) {
+            getSortedArray(root.getNode(Node.Left_son), dataArray, index);
+            dataArray[index[0]++] = root.getKey();
+            getSortedArray(root.getNode(Node.Right_son), dataArray, index);
+        }
     }
 
     public synchronized void rbTest(Vector summation, Vector ID, Long functionDepth, Integer staticFunctionDepth)
-                throws InvocationTargetException
-    {
-        Globals.appendSumToSumationVector(MethodID[0], summation);
-
-        if (CGT.shouldFinish())
-            return;
+            throws InvocationTargetException {
+        Globals.appendSumToSummationVector(MethodID[0], summation);
 
-        if (Globals.VERBOSE)
+        if (CGT.shouldFinish()) {
+            return;
+        }
+        if (Globals.VERBOSE) {
             System.out.println("test6.rbTest");
+        }
 
-        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <=  0))
-            {
-                return;
-            }
+        if ((functionDepth.longValue() <= 0) && (staticFunctionDepth.intValue() <= 0)) {
+            return;
+        }
         MethodData methodCallStr;
         Long numFcalls;
         Integer staticFcalls;
 
-        if (staticFunctionDepth.intValue() > 0)
-            {
-                numFcalls = functionDepth;
-                staticFcalls = new Integer(staticFunctionDepth.intValue()-1);
-                methodCallStr = Globals.returnNextStaticMethod(MethodID[0]);
-            }
-        else
-            {
-                numFcalls = new Long(functionDepth.longValue() -1);
-                staticFcalls = staticFunctionDepth;
-                methodCallStr = Globals.nextRandomMethod();
-            }
+        if (staticFunctionDepth.intValue() > 0) {
+            numFcalls = functionDepth;
+            staticFcalls = new Integer(staticFunctionDepth.intValue() - 1);
+            methodCallStr = Globals.returnNextStaticMethod(MethodID[0]);
+        } else {
+            numFcalls = new Long(functionDepth.longValue() - 1);
+            staticFcalls = staticFunctionDepth;
+            methodCallStr = Globals.nextRandomMethod();
+        }
 
         RBTree myTree = new RBTree();
         int numElements = 1 + localNumGen.nextInt(maxEntries);
@@ -82,81 +79,64 @@
         boolean insertArray[] = new boolean[numElements];
 
         Vector temp = new Vector(numElements);
-        for(int i=0; i<numElements; i++)
-            {                                         //code guarantees no duplicates
-                int nextKey = localNumGen.nextInt(16385);
-                while (temp.indexOf(new Integer(nextKey)) != -1)
-                    nextKey = localNumGen.nextInt(16385);
+        // code guarantees no duplicates
+        for (int i = 0; i < numElements; i++) {
+            int nextKey = localNumGen.nextInt(16385);
+            while (temp.indexOf(new Integer(nextKey)) != -1) {
+                nextKey = localNumGen.nextInt(16385);
+            }
 
-                temp.addElement(new Integer(nextKey));
-                dataArray[i] = nextKey;
+            temp.addElement(new Integer(nextKey));
+            dataArray[i] = nextKey;
 
-                insertArray[i] = false;
-            }
+            insertArray[i] = false;
+        }
         temp = null;
 
         int numLoops = 10 + localNumGen.nextInt(1024);
-        for (int i=0; i<numLoops; i++)
-            {
-                int nextIndex = localNumGen.nextInt(numElements);
-                if (!insertArray[nextIndex])
-                    {
-                        myTree.RBInsert(dataArray[nextIndex]);
-                        insertArray[nextIndex] = true;
-                    }
-                else
-                    {
-                        myTree.RBDelete(dataArray[nextIndex]);
-                        insertArray[nextIndex] = false;
-                    }
+        for (int i = 0; i < numLoops; i++) {
+            int nextIndex = localNumGen.nextInt(numElements);
+            if (!insertArray[nextIndex]) {
+                myTree.RBInsert(dataArray[nextIndex]);
+                insertArray[nextIndex] = true;
+            } else {
+                myTree.RBDelete(dataArray[nextIndex]);
+                insertArray[nextIndex] = false;
             }
+        }
 
         int numValid = 0;
-        for (int i = 0; i<numElements; i++)
-            {
-                Node searchNode = myTree.Search(dataArray[i]);
-                if (insertArray[i] && (searchNode == RBTree.treeNull))
-                    {
-                        System.out.println("Valid Node Not Found in Binary Tree");
-                        System.out.println("Node " + dataArray[i]);
-                        System.exit(1);
-                    }
-                else if ((!insertArray[i]) && (searchNode != RBTree.treeNull))
-                    {
-                        System.out.println("Deleted Node Found in Binary Tree");
-                        System.out.println("Node " + dataArray[i]);
-                        System.exit(1);
-                    }
-                else if (insertArray[i])
-                    numValid++;
-                insertArray[i] = true;        //so that verification is only done once
+        for (int i = 0; i < numElements; i++) {
+            Node searchNode = myTree.Search(dataArray[i]);
+            if (insertArray[i] && (searchNode == RBTree.treeNull)) {
+                throw new TestFailure("Valid Node Not Found in Binary Tree. Node " + dataArray[i]);
+            } else if ((!insertArray[i]) && (searchNode != RBTree.treeNull)) {
+                throw new TestFailure("Deleted Node Found in Binary Tree. Node " + dataArray[i]);
+            } else if (insertArray[i]) {
+                numValid++;
             }
+            // so that verification is only done once
+            insertArray[i] = true;
+        }
 
-        int [] sortedArray = new int[numValid];
-        getSortedArray(myTree.getRoot(), sortedArray, new int [] {0});
+        int[] sortedArray = new int[numValid];
+        getSortedArray(myTree.getRoot(), sortedArray, new int[]{0});
 
-        for (int i=1; i<numValid; i++)
-            if (sortedArray[i] <= sortedArray[i-1])
-                {
-                    String outStr = new String("Actual ");
-                    for (int j=0; j<sortedArray.length; j++)
-                        outStr += sortedArray[j] +", ";
-                    System.out.println("Binary Tree Property Not Held");
-                    System.out.println("Root " + myTree.getRoot().getKey());
-                    System.out.println(outStr);
-                    System.exit(1);
+        for (int i = 1; i < numValid; i++) {
+            if (sortedArray[i] <= sortedArray[i - 1]) {
+                StringBuilder outStr = new StringBuilder("Actual ");
+                for (int aSortedArray : sortedArray) {
+                    outStr.append(aSortedArray)
+                          .append(", ");
                 }
-
-        //Should make more memory available for future instances
-        myTree = null;
-        sortedArray = null;
-        dataArray = null;
-        insertArray = null;
-//        System.gc();
+                System.out.println("Binary Tree Property Not Held");
+                System.out.println("Root " + myTree.getRoot()
+                                                   .getKey());
+                throw new TestFailure(outStr.toString());
+            }
+        }
 
         Globals.addFunctionIDToVector(methodCallStr.id, ID);
-        Globals.callMethod(methodCallStr,summation, ID, numFcalls, staticFcalls);
-
-
+        Globals.callMethod(methodCallStr, summation, ID, numFcalls, staticFcalls);
     }
 }
--- a/test/hotspot/jtreg/vmTestbase/metaspace/gc/HighWaterMarkTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/metaspace/gc/HighWaterMarkTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,8 +42,6 @@
  * Test verifies that MinMetaspaceFreeRatio/MaxMetaspaceFreeRatio settings
  * affect the frequency of GC. (High-water mark)
  *
- * Note: The test doesn't check the GC count if CMS is used.
- *
  * Quoting: Java SE 8 HotSpot[tm] Virtual Machine Garbage Collection Tuning
  * <pre>
  * Class metadata is deallocated when the corresponding Java class is unloaded.
@@ -175,11 +173,6 @@
             throw new Fault("Committed amount hasn't achieved " + bytes2k(committedLevel));
         }
 
-        if (VMRuntimeEnvUtils.isVMOptionEnabled("UseConcMarkSweepGC")) {
-            System.out.println("ConcMarkSweep is used, cannot count GC");
-            return;
-        }
-
         int gcCount = getMetaspaceGCCount();
         if (gcCount < 0) {
             // perhpas, it's better to silently pass here... Let's see.
--- a/test/hotspot/jtreg/vmTestbase/metaspace/gc/watermark_0_1/TestDescription.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/metaspace/gc/watermark_0_1/TestDescription.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,11 @@
  * @summary converted from VM Testbase metaspace/gc/watermark_0_1.
  * VM Testbase keywords: [nonconcurrent, no_cds]
  *
+ * @comment Don't run test in configurations where we can't reliably count number of metaspace triggered GCs
+ * @requires vm.gc != null | !vm.opt.final.ClassUnloadingWithConcurrentMark
+ * @requires vm.gc != "G1" | !vm.opt.final.ClassUnloadingWithConcurrentMark
+ * @requires vm.gc != "ConcMarkSweep"
+ * @requires vm.gc != "Z"
  * @library /vmTestbase /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
  * @run main/othervm
--- a/test/hotspot/jtreg/vmTestbase/metaspace/gc/watermark_10_20/TestDescription.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/metaspace/gc/watermark_10_20/TestDescription.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,11 @@
  * @summary converted from VM Testbase metaspace/gc/watermark_10_20.
  * VM Testbase keywords: [nonconcurrent, no_cds]
  *
+ * @comment Don't run test in configurations where we can't reliably count number of metaspace triggered GCs
+ * @requires vm.gc != null | !vm.opt.final.ClassUnloadingWithConcurrentMark
+ * @requires vm.gc != "G1" | !vm.opt.final.ClassUnloadingWithConcurrentMark
+ * @requires vm.gc != "ConcMarkSweep"
+ * @requires vm.gc != "Z"
  * @library /vmTestbase /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
  * @run main/othervm
--- a/test/hotspot/jtreg/vmTestbase/metaspace/gc/watermark_70_80/TestDescription.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/metaspace/gc/watermark_70_80/TestDescription.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,11 @@
  * @summary converted from VM Testbase metaspace/gc/watermark_70_80.
  * VM Testbase keywords: [nonconcurrent, no_cds]
  *
+ * @comment Don't run test in configurations where we can't reliably count number of metaspace triggered GCs
+ * @requires vm.gc != null | !vm.opt.final.ClassUnloadingWithConcurrentMark
+ * @requires vm.gc != "G1" | !vm.opt.final.ClassUnloadingWithConcurrentMark
+ * @requires vm.gc != "ConcMarkSweep"
+ * @requires vm.gc != "Z"
  * @library /vmTestbase /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
  * @run main/othervm
--- a/test/hotspot/jtreg/vmTestbase/metaspace/gc/watermark_99_100/TestDescription.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/metaspace/gc/watermark_99_100/TestDescription.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,11 @@
  * @summary converted from VM Testbase metaspace/gc/watermark_99_100.
  * VM Testbase keywords: [nonconcurrent, no_cds]
  *
+ * @comment Don't run test in configurations where we can't reliably count number of metaspace triggered GCs
+ * @requires vm.gc != null | !vm.opt.final.ClassUnloadingWithConcurrentMark
+ * @requires vm.gc != "G1" | !vm.opt.final.ClassUnloadingWithConcurrentMark
+ * @requires vm.gc != "ConcMarkSweep"
+ * @requires vm.gc != "Z"
  * @library /vmTestbase /test/lib
  * @run driver jdk.test.lib.FileInstaller . .
  * @run main/othervm
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/RawMonitorWait/rawmnwait005/rawmnwait005.cpp	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/RawMonitorWait/rawmnwait005/rawmnwait005.cpp	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,7 +37,7 @@
 static jvmtiEnv *jvmti = NULL;
 static jvmtiCapabilities caps;
 static jint result = PASSED;
-static jboolean printdump = JNI_FALSE;
+static jboolean printdump = JNI_TRUE;
 static jrawMonitorID monitor;
 static jrawMonitorID wait_lock;
 static jlong wait_time;
@@ -100,6 +100,8 @@
     jvmtiError err;
     const char* const thread_name = "test thread";
 
+    // Once we hold this monitor we know we can't get interrupted
+    // until we have called wait().
     err = jvmti->RawMonitorEnter(monitor);
     if (err != JVMTI_ERROR_NONE) {
         printf("(RawMonitorEnter#test) unexpected error: %s (%d)\n",
@@ -110,6 +112,7 @@
         printf(">>> [%s] acquired lock for 'monitor' ...\n", thread_name);
     }
 
+    // We can't get this monitor until the main thread has called wait() on it.
     err = jvmti->RawMonitorEnter(wait_lock);
     if (err != JVMTI_ERROR_NONE) {
         printf("(RawMonitorEnter#wait) unexpected error: %s (%d)\n",
@@ -156,6 +159,36 @@
         result = STATUS_FAILED;
     }
 
+    // We can't reacquire this monitor until the main thread is waiting for us to
+    // complete.
+    err = jvmti->RawMonitorEnter(wait_lock);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(RawMonitorEnter#wait) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+        return;
+    }
+
+    if (printdump == JNI_TRUE) {
+        printf(">>> [%s] acquired lock for 'wait_lock' ...\n", thread_name);
+        printf(">>> [%s] notifying main thread we are done ...\n", thread_name);
+    }
+
+    err = jvmti->RawMonitorNotify(wait_lock);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(RawMonitorWait#wait) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+        return;
+    }
+    err = jvmti->RawMonitorExit(wait_lock);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(RawMonitorExit#wait) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+        return;
+    }
+
     if (printdump == JNI_TRUE) {
         printf(">>> [%s] all done\n", thread_name);
     }
@@ -223,6 +256,11 @@
     if (printdump == JNI_TRUE) {
         printf(">>> [%s] starting test thread ...\n", thread_name);
     }
+
+    // This starts a daemon thread, so we need to synchronize with it
+    // before we terminate - else the test will end before it checks
+    // it was interrupted!
+
     err = jvmti->RunAgentThread(thr, test_thread, NULL,
                                 JVMTI_THREAD_NORM_PRIORITY);
     if (err != JVMTI_ERROR_NONE) {
@@ -244,12 +282,7 @@
         printf(">>> [%s] got notification from test thread ...\n", thread_name);
     }
 
-    err = jvmti->RawMonitorExit(wait_lock);
-    if (err != JVMTI_ERROR_NONE) {
-        printf("(RawMonitorExit#wait) unexpected error: %s (%d)\n",
-               TranslateError(err), err);
-        return STATUS_FAILED;
-    }
+    // Keep the wait_lock so we can wait again at the end.
 
     err = jvmti->RawMonitorEnter(monitor);
     if (err != JVMTI_ERROR_NONE) {
@@ -280,6 +313,26 @@
     }
 
     if (printdump == JNI_TRUE) {
+        printf(">>> [%s] waiting for test thread to complete its wait and notify us ...\n", thread_name);
+    }
+    err = jvmti->RawMonitorWait(wait_lock, (jlong)0);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(RawMonitorWait#wait) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        return STATUS_FAILED;
+    }
+    if (printdump == JNI_TRUE) {
+        printf(">>> [%s] got final notification from test thread ...\n", thread_name);
+    }
+
+    err = jvmti->RawMonitorExit(wait_lock);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(RawMonitorExit#wait) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        return STATUS_FAILED;
+    }
+
+    if (printdump == JNI_TRUE) {
         printf(">>> [%s] all done\n", thread_name);
     }
 
--- a/test/jdk/ProblemList.txt	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/ProblemList.txt	Wed Oct 16 15:31:05 2019 +0200
@@ -884,6 +884,7 @@
 jdk/jfr/event/io/EvilInstrument.java                            8221331    generic-all
 jdk/jfr/event/runtime/TestNetworkUtilizationEvent.java          8228990,8229370    generic-all
 jdk/jfr/event/compiler/TestCodeSweeper.java                     8225209    generic-all
+jdk/jfr/event/oldobject/TestLargeRootSet.java                   8205651    generic-all
 
 ############################################################################
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/com/sun/jdi/JdbStopInNotificationThreadTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary Tests that the breakpoint in the notification listener is hit when the
+ * notification thread is enabled and is not hit when the notification thread is disabled
+ * (the service thread delivers the notifications in this case).
+ *
+ * @library /test/lib
+ * @run compile -g JdbStopInNotificationThreadTest.java
+ * @run main/othervm JdbStopInNotificationThreadTest
+ */
+
+import jdk.test.lib.process.OutputAnalyzer;
+import lib.jdb.JdbCommand;
+import lib.jdb.JdbTest;
+
+import javax.management.Notification;
+import javax.management.NotificationEmitter;
+import javax.management.NotificationListener;
+import java.lang.management.*;
+import java.util.Collection;
+import java.util.LinkedList;
+
+class JdbStopInNotificationThreadTestTarg {
+
+    private static volatile boolean done = false;
+
+    private static final MemoryPoolMXBean tenuredGenPool =
+            findTenuredGenPool();
+
+    public static void main(String[] args) throws Exception {
+        test(); // @1 breakpoint
+    }
+
+    private static void test() throws Exception {
+        setPercentageUsageThreshold(0.1);
+        MemoryMXBean mbean = ManagementFactory.getMemoryMXBean();
+        NotificationEmitter emitter = (NotificationEmitter) mbean;
+        emitter.addNotificationListener(new NotificationListener() {
+            public void handleNotification(Notification n, Object hb) {
+                System.out.println("Notification received:" + n.getType());
+                if (n.getType().equals(
+                        MemoryNotificationInfo.MEMORY_THRESHOLD_EXCEEDED)) {
+                    done = true;
+                    System.out.println("Notification MEMORY_THRESHOLD_EXCEEDED received:");
+                    long maxMemory = tenuredGenPool.getUsage().getMax();
+                    long usedMemory = tenuredGenPool.getUsage().getUsed();
+                    System.out.println("Memory usage low!!!"); // @2 breakpoint
+                    double percentageUsed = ((double) usedMemory) / maxMemory;
+                    System.out.println("percentageUsed = " + percentageUsed);
+                }
+            }
+        }, null, null);
+
+        Collection<Object[]> numbers = new LinkedList();
+        long counter = 0;
+        while (!done) {
+            numbers.add(new Object[1000]);
+            counter++;
+            if (counter % 1000 == 0) {
+                Thread.sleep(100);
+            }
+        }
+        System.out.println("Done");
+    }
+
+    private static MemoryPoolMXBean findTenuredGenPool() {
+        for (MemoryPoolMXBean pool :
+                ManagementFactory.getMemoryPoolMXBeans()) {
+            if (pool.getType() == MemoryType.HEAP &&
+                    pool.isUsageThresholdSupported()) {
+                return pool;
+            }
+        }
+        throw new RuntimeException("Could not find tenured space");
+    }
+
+    public static void setPercentageUsageThreshold(double percentage) {
+        if (percentage <= 0.0 || percentage > 1.0) {
+            throw new IllegalArgumentException("Percentage not in range");
+        }
+        System.out.println("Setting threashold for pool " + tenuredGenPool.getName() + " percentage:" + percentage);
+        long maxMemory = tenuredGenPool.getUsage().getMax();
+        long warningThreshold = (long) (maxMemory * percentage);
+        tenuredGenPool.setUsageThreshold(warningThreshold);
+    }
+}
+
+public class JdbStopInNotificationThreadTest extends JdbTest {
+
+    private static final String DEBUGGEE_CLASS = JdbStopInNotificationThreadTestTarg.class.getName();
+    private static final String PATTERN1_TEMPLATE = "^Breakpoint hit: \"thread=Notification Thread\", " +
+            "JdbStopInNotificationThreadTestTarg\\$1\\.handleNotification\\(\\), line=%LINE_NUMBER.*\\R%LINE_NUMBER\\s+System\\.out\\.println\\(\"Memory usage low!!!\"\\);.*";
+
+    private JdbStopInNotificationThreadTest() {
+        super(DEBUGGEE_CLASS);
+    }
+
+    public static void main(String argv[]) {
+        new JdbStopInNotificationThreadTest().run();
+    }
+
+    @Override
+    protected void runCases() {
+        if (isNotificationThreadDisabled()) {
+            System.out.println("Notification Thread is disabled. Skipping the test");
+            return;
+        }
+        int bpLine2 = parseBreakpoints(getTestSourcePath("JdbStopInNotificationThreadTest.java"), 2).get(0);
+        jdb.command(JdbCommand.stopAt(DEBUGGEE_CLASS + "$1", bpLine2));
+        String pattern = PATTERN1_TEMPLATE.replaceAll("%LINE_NUMBER", String.valueOf(bpLine2));
+        jdb.command(JdbCommand.cont());
+        new OutputAnalyzer(jdb.getJdbOutput()).shouldMatch(pattern);
+    }
+
+    private boolean isNotificationThreadDisabled() {
+        int bpLine1 = parseBreakpoints(getTestSourcePath("JdbStopInNotificationThreadTest.java"), 1).get(0);
+        jdb.command(JdbCommand.stopAt(DEBUGGEE_CLASS, bpLine1));
+        jdb.command(JdbCommand.run());
+        jdb.command(JdbCommand.threads());
+        if (new OutputAnalyzer(jdb.getJdbOutput()).getOutput().contains("Notification Thread")) {
+            return false;
+        }
+        return true;
+    }
+}
--- a/test/jdk/com/sun/jdi/RedefineNestmateAttr/TestNestmateAttr.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/com/sun/jdi/RedefineNestmateAttr/TestNestmateAttr.java	Wed Oct 16 15:31:05 2019 +0200
@@ -151,9 +151,13 @@
    reference.
 */
 class Target {
+
+    static Class<?> topLevelHostA; // Prevent unloading of the class
+
     // We have to load all of the variants of the classes that we will
     // attempt to redefine. This requires some in-memory compilation
     // and use of additional classloaders.
+
     public static void main(String[] args) throws Throwable {
         String origin = args[0];
         System.out.println("Target: Testing original Host class from " + origin);
@@ -178,7 +182,7 @@
             String hostA = "public class " + name + " {}";
             byte[] bytes = InMemoryJavaCompiler.compile(name, hostA);
             // And we have to load this into a new classloader
-            Class<?> topLevelHostA = ByteCodeLoader.load(name, bytes);
+            topLevelHostA = ByteCodeLoader.load(name, bytes);
             // The loaded class has not been linked (as per ClassLoader.resolveClass)
             // and so will be filtered out by VirtualMachine.allClasses(). There are
             // a number of ways to force linking - this is the simplest.
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/awt/FontMetrics/SpaceAdvance.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8227662
+ */
+
+import java.awt.Font;
+import java.awt.FontMetrics ;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+
+public class SpaceAdvance {
+    public static void main(String[] args) throws Exception {
+
+        BufferedImage bi = new BufferedImage(1,1,1);
+        Graphics2D g2d = bi.createGraphics();
+        Font font = new Font(Font.DIALOG, Font.PLAIN, 12);
+        if (!font.canDisplay(' ')) {
+            return;
+        }
+        g2d.setFont(font);
+        FontMetrics fm = g2d.getFontMetrics();
+        if (fm.charWidth(' ') == 0) {
+            throw new RuntimeException("Space has char width of 0");
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/awt/Toolkit/GetMulticlickTime/GetMulticlickTime.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.awt.Toolkit;
+
+/**
+ * @test
+ * @key headful
+ * @bug 4559047 7124404
+ * @summary Solaris/Linux/macOS do not set awt.multiClickInterval desktop property
+ */
+public final class GetMulticlickTime {
+
+    public static void main(final String[] args) {
+        Integer time = (Integer) Toolkit.getDefaultToolkit()
+                                        .getDesktopProperty("awt.multiClickInterval");
+        if (time == null || time <= 0 || time > 30_000) {
+            throw new RuntimeException("awt.multiClickInterval:" + time);
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/awt/image/DrawImage/IncorrectManagedImageSourceOffset.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.awt.AlphaComposite;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsEnvironment;
+import java.awt.Image;
+import java.awt.Transparency;
+import java.awt.color.ColorSpace;
+import java.awt.image.BufferedImage;
+import java.awt.image.ColorModel;
+import java.awt.image.ComponentColorModel;
+import java.awt.image.DataBuffer;
+import java.awt.image.Raster;
+import java.awt.image.VolatileImage;
+import java.awt.image.WritableRaster;
+import java.io.File;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+
+import sun.awt.image.SunWritableRaster;
+
+import static java.awt.Transparency.BITMASK;
+import static java.awt.Transparency.OPAQUE;
+import static java.awt.Transparency.TRANSLUCENT;
+import static java.awt.image.BufferedImage.TYPE_3BYTE_BGR;
+import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR;
+import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR_PRE;
+import static java.awt.image.BufferedImage.TYPE_BYTE_BINARY;
+import static java.awt.image.BufferedImage.TYPE_BYTE_INDEXED;
+import static java.awt.image.BufferedImage.TYPE_CUSTOM;
+import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
+import static java.awt.image.BufferedImage.TYPE_INT_ARGB_PRE;
+import static java.awt.image.BufferedImage.TYPE_INT_BGR;
+import static java.awt.image.BufferedImage.TYPE_INT_RGB;
+
+/**
+ * @test
+ * @key headful
+ * @bug 8029253 6207877
+ * @summary Tests asymmetric source offsets when managed image is drawn to VI.
+ *          Results of the blit to compatibleImage are used for comparison.
+ * @author Sergey Bylokhov
+ * @modules java.desktop/sun.awt.image
+ * @run main/othervm -Dsun.java2d.accthreshold=0 IncorrectManagedImageSourceOffset
+ * @run main/othervm -Dsun.java2d.accthreshold=0 -Dsun.java2d.uiScale=1 IncorrectManagedImageSourceOffset
+ * @run main/othervm -Dsun.java2d.accthreshold=0 -Dsun.java2d.uiScale=2 IncorrectManagedImageSourceOffset
+ */
+public final class IncorrectManagedImageSourceOffset {
+
+    // See the same test for unmanaged images: IncorrectUnmanagedImageSourceOffset
+
+    private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB,
+                                        TYPE_INT_ARGB_PRE, TYPE_INT_BGR,
+                                        TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR,
+                                        TYPE_4BYTE_ABGR_PRE,
+                                        /*TYPE_USHORT_565_RGB,
+                                        TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY,
+                                        TYPE_USHORT_GRAY,*/ TYPE_BYTE_BINARY,
+                                        TYPE_BYTE_INDEXED, TYPE_CUSTOM};
+    private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT};
+
+    public static void main(final String[] args) throws IOException {
+        for (final int viType : TRANSPARENCIES) {
+            for (final int biType : TYPES) {
+                BufferedImage bi = makeManagedBI(biType);
+                fill(bi);
+                test(bi, viType);
+            }
+        }
+    }
+
+    private static void test(BufferedImage bi, int type)
+            throws IOException {
+        GraphicsEnvironment ge = GraphicsEnvironment
+                .getLocalGraphicsEnvironment();
+        GraphicsConfiguration gc = ge.getDefaultScreenDevice()
+                                     .getDefaultConfiguration();
+        VolatileImage vi = gc.createCompatibleVolatileImage(511, 255, type);
+        BufferedImage gold = gc.createCompatibleImage(511, 255, type);
+        // draw to compatible Image
+        Graphics2D big = gold.createGraphics();
+        // force scaled blit
+        big.drawImage(bi, 7, 11, 127, 111, 7, 11, 127 * 2, 111, null);
+        big.dispose();
+        // draw to volatile image
+        BufferedImage snapshot;
+        while (true) {
+            vi.validate(gc);
+            if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
+                try {
+                    Thread.sleep(100);
+                } catch (final InterruptedException ignored) {
+                }
+                continue;
+            }
+            Graphics2D vig = vi.createGraphics();
+            // force scaled blit
+            vig.drawImage(bi, 7, 11, 127, 111, 7, 11, 127 * 2, 111, null);
+            vig.dispose();
+            snapshot = vi.getSnapshot();
+            if (vi.contentsLost()) {
+                try {
+                    Thread.sleep(100);
+                } catch (final InterruptedException ignored) {
+                }
+                continue;
+            }
+            break;
+        }
+        // validate images
+        for (int x = 7; x < 127; ++x) {
+            for (int y = 11; y < 111; ++y) {
+                if (gold.getRGB(x, y) != snapshot.getRGB(x, y)) {
+                    ImageIO.write(gold, "png", new File("gold.png"));
+                    ImageIO.write(snapshot, "png", new File("bi.png"));
+                    throw new RuntimeException("Test failed.");
+                }
+            }
+        }
+    }
+
+    private static BufferedImage makeManagedBI(final int type) {
+        final BufferedImage bi;
+        if (type == TYPE_CUSTOM) {
+            bi = makeCustomManagedBI();
+        } else {
+            bi = new BufferedImage(511, 255, type);
+        }
+        bi.setAccelerationPriority(1.0f);
+        return bi;
+    }
+
+    /**
+     * Returns the custom buffered image, which mostly identical to
+     * BufferedImage.(w,h,TYPE_3BYTE_BGR), but uses the bigger scanlineStride.
+     * This means that the raster will have gaps, between the rows.
+     */
+    private static BufferedImage makeCustomManagedBI() {
+        int w = 511, h = 255;
+        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
+        int[] nBits = {8, 8, 8};
+        int[] bOffs = {2, 1, 0};
+        ColorModel colorModel = new ComponentColorModel(cs, nBits, false, false,
+                                                        Transparency.OPAQUE,
+                                                        DataBuffer.TYPE_BYTE);
+        WritableRaster raster =
+                Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, w, h,
+                                               w * 3 + 2, 3, bOffs, null);
+        BufferedImage bi = new BufferedImage(colorModel, raster, true, null);
+        SunWritableRaster.makeTrackable(raster.getDataBuffer());
+        SunWritableRaster.markDirty(bi);
+        return bi;
+    }
+
+    private static void fill(final Image image) {
+        final Graphics2D graphics = (Graphics2D) image.getGraphics();
+        graphics.setComposite(AlphaComposite.Src);
+        for (int i = 0; i < image.getHeight(null); ++i) {
+            graphics.setColor(new Color(i, 0, 0));
+            graphics.fillRect(0, i, image.getWidth(null), 1);
+        }
+        graphics.dispose();
+    }
+}
--- a/test/jdk/java/awt/image/DrawImage/IncorrectUnmanagedImageSourceOffset.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/awt/image/DrawImage/IncorrectUnmanagedImageSourceOffset.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -27,30 +27,52 @@
 import java.awt.GraphicsConfiguration;
 import java.awt.GraphicsEnvironment;
 import java.awt.Image;
+import java.awt.Transparency;
+import java.awt.color.ColorSpace;
 import java.awt.image.BufferedImage;
+import java.awt.image.ColorModel;
+import java.awt.image.ComponentColorModel;
 import java.awt.image.DataBuffer;
 import java.awt.image.DataBufferByte;
 import java.awt.image.DataBufferInt;
 import java.awt.image.DataBufferShort;
+import java.awt.image.Raster;
 import java.awt.image.VolatileImage;
+import java.awt.image.WritableRaster;
 import java.io.File;
 import java.io.IOException;
 
 import javax.imageio.ImageIO;
 
-import static java.awt.Transparency.*;
-import static java.awt.image.BufferedImage.*;
+import static java.awt.Transparency.BITMASK;
+import static java.awt.Transparency.OPAQUE;
+import static java.awt.Transparency.TRANSLUCENT;
+import static java.awt.image.BufferedImage.TYPE_3BYTE_BGR;
+import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR;
+import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR_PRE;
+import static java.awt.image.BufferedImage.TYPE_BYTE_BINARY;
+import static java.awt.image.BufferedImage.TYPE_BYTE_INDEXED;
+import static java.awt.image.BufferedImage.TYPE_CUSTOM;
+import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
+import static java.awt.image.BufferedImage.TYPE_INT_ARGB_PRE;
+import static java.awt.image.BufferedImage.TYPE_INT_BGR;
+import static java.awt.image.BufferedImage.TYPE_INT_RGB;
 
 /**
  * @test
  * @key headful
- * @bug 8029253
+ * @bug 8029253 6207877
  * @summary Tests asymmetric source offsets when unmanaged image is drawn to VI.
  *          Results of the blit to compatibleImage are used for comparison.
  * @author Sergey Bylokhov
+ * @run main/othervm IncorrectUnmanagedImageSourceOffset
+ * @run main/othervm -Dsun.java2d.uiScale=1 IncorrectUnmanagedImageSourceOffset
+ * @run main/othervm -Dsun.java2d.uiScale=2 IncorrectUnmanagedImageSourceOffset
  */
 public final class IncorrectUnmanagedImageSourceOffset {
 
+    // See the same test for managed images: IncorrectManagedImageSourceOffset
+
     private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB,
                                         TYPE_INT_ARGB_PRE, TYPE_INT_BGR,
                                         TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR,
@@ -58,7 +80,7 @@
                                         /*TYPE_USHORT_565_RGB,
                                         TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY,
                                         TYPE_USHORT_GRAY,*/ TYPE_BYTE_BINARY,
-                                        TYPE_BYTE_INDEXED};
+                                        TYPE_BYTE_INDEXED, TYPE_CUSTOM};
     private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT};
 
     public static void main(final String[] args) throws IOException {
@@ -122,7 +144,12 @@
     }
 
     private static BufferedImage makeUnmanagedBI(final int type) {
-        final BufferedImage bi = new BufferedImage(511, 255, type);
+        final BufferedImage bi;
+        if (type == TYPE_CUSTOM) {
+            bi = makeCustomUnmanagedBI();
+        } else {
+            bi = new BufferedImage(511, 255, type);
+        }
         final DataBuffer db = bi.getRaster().getDataBuffer();
         if (db instanceof DataBufferInt) {
             ((DataBufferInt) db).getData();
@@ -130,15 +157,30 @@
             ((DataBufferShort) db).getData();
         } else if (db instanceof DataBufferByte) {
             ((DataBufferByte) db).getData();
-        } else {
-            try {
-                bi.setAccelerationPriority(0.0f);
-            } catch (final Throwable ignored) {
-            }
         }
+        bi.setAccelerationPriority(0.0f);
         return bi;
     }
 
+    /**
+     * Returns the custom buffered image, which mostly identical to
+     * BufferedImage.(w,h,TYPE_3BYTE_BGR), but uses the bigger scanlineStride.
+     * This means that the raster will have gaps, between the rows.
+     */
+    private static BufferedImage makeCustomUnmanagedBI() {
+        int w = 511, h = 255;
+        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
+        int[] nBits = {8, 8, 8};
+        int[] bOffs = {2, 1, 0};
+        ColorModel colorModel = new ComponentColorModel(cs, nBits, false, false,
+                                                        Transparency.OPAQUE,
+                                                        DataBuffer.TYPE_BYTE);
+        WritableRaster raster =
+                Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, w, h,
+                                               w * 3 + 2, 3, bOffs, null);
+        return new BufferedImage(colorModel, raster, true, null);
+    }
+
     private static void fill(final Image image) {
         final Graphics2D graphics = (Graphics2D) image.getGraphics();
         graphics.setComposite(AlphaComposite.Src);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/awt/image/DrawImage/SimpleManagedImage.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,196 @@
+/*
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.awt.AlphaComposite;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsEnvironment;
+import java.awt.Image;
+import java.awt.Transparency;
+import java.awt.color.ColorSpace;
+import java.awt.image.BufferedImage;
+import java.awt.image.ColorModel;
+import java.awt.image.ComponentColorModel;
+import java.awt.image.DataBuffer;
+import java.awt.image.Raster;
+import java.awt.image.VolatileImage;
+import java.awt.image.WritableRaster;
+import java.io.File;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+
+import sun.awt.image.SunWritableRaster;
+
+import static java.awt.Transparency.BITMASK;
+import static java.awt.Transparency.OPAQUE;
+import static java.awt.Transparency.TRANSLUCENT;
+import static java.awt.image.BufferedImage.TYPE_3BYTE_BGR;
+import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR;
+import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR_PRE;
+import static java.awt.image.BufferedImage.TYPE_BYTE_BINARY;
+import static java.awt.image.BufferedImage.TYPE_BYTE_INDEXED;
+import static java.awt.image.BufferedImage.TYPE_CUSTOM;
+import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
+import static java.awt.image.BufferedImage.TYPE_INT_ARGB_PRE;
+import static java.awt.image.BufferedImage.TYPE_INT_BGR;
+import static java.awt.image.BufferedImage.TYPE_INT_RGB;
+
+/**
+ * @test
+ * @key headful
+ * @bug 8029253 6207877
+ * @summary Tests the case when managed image is drawn to VI.
+ *          Results of the blit to compatibleImage are used for comparison.
+ * @author Sergey Bylokhov
+ * @modules java.desktop/sun.awt.image
+ * @run main/othervm -Dsun.java2d.accthreshold=0 SimpleManagedImage
+ * @run main/othervm -Dsun.java2d.accthreshold=0 -Dsun.java2d.uiScale=1 SimpleManagedImage
+ * @run main/othervm -Dsun.java2d.accthreshold=0 -Dsun.java2d.uiScale=2 SimpleManagedImage
+ */
+public final class SimpleManagedImage {
+
+    // See the same test for unmanaged images: SimpleUnmanagedImage
+
+    private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB,
+                                        TYPE_INT_ARGB_PRE, TYPE_INT_BGR,
+                                        TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR,
+                                        TYPE_4BYTE_ABGR_PRE,
+                                        /*TYPE_USHORT_565_RGB,
+                                        TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY,
+                                        TYPE_USHORT_GRAY,*/ TYPE_BYTE_BINARY,
+                                        TYPE_BYTE_INDEXED, TYPE_CUSTOM};
+    private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT};
+
+    public static void main(final String[] args) throws IOException {
+        for (final int viType : TRANSPARENCIES) {
+            for (final int biType : TYPES) {
+                BufferedImage bi = makeManagedBI(biType);
+                fill(bi);
+                test(bi, viType);
+            }
+        }
+    }
+
+    private static void test(BufferedImage bi, int type)
+            throws IOException {
+        GraphicsEnvironment ge = GraphicsEnvironment
+                .getLocalGraphicsEnvironment();
+        GraphicsConfiguration gc = ge.getDefaultScreenDevice()
+                                     .getDefaultConfiguration();
+        VolatileImage vi = gc.createCompatibleVolatileImage(1000, 1000, type);
+        BufferedImage gold = gc.createCompatibleImage(1000, 1000, type);
+        // draw to compatible Image
+        init(gold);
+        Graphics2D big = gold.createGraphics();
+        big.drawImage(bi, 7, 11, null);
+        big.dispose();
+        // draw to volatile image
+        BufferedImage snapshot;
+        while (true) {
+            vi.validate(gc);
+            if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
+                try {
+                    Thread.sleep(100);
+                } catch (final InterruptedException ignored) {
+                }
+                continue;
+            }
+            init(vi);
+            Graphics2D vig = vi.createGraphics();
+            vig.drawImage(bi, 7, 11, null);
+            vig.dispose();
+            snapshot = vi.getSnapshot();
+            if (vi.contentsLost()) {
+                try {
+                    Thread.sleep(100);
+                } catch (final InterruptedException ignored) {
+                }
+                continue;
+            }
+            break;
+        }
+        // validate images
+        for (int x = 0; x < 1000; ++x) {
+            for (int y = 0; y < 1000; ++y) {
+                if (gold.getRGB(x, y) != snapshot.getRGB(x, y)) {
+                    ImageIO.write(gold, "png", new File("gold.png"));
+                    ImageIO.write(snapshot, "png", new File("bi.png"));
+                    throw new RuntimeException("Test failed.");
+                }
+            }
+        }
+    }
+
+    private static BufferedImage makeManagedBI(final int type) {
+        final BufferedImage bi;
+        if (type == TYPE_CUSTOM) {
+            bi = makeCustomManagedBI();
+        } else {
+            bi = new BufferedImage(511, 255, type);
+        }
+        bi.setAccelerationPriority(1.0f);
+        return bi;
+    }
+
+    /**
+     * Returns the custom buffered image, which mostly identical to
+     * BufferedImage.(w,h,TYPE_3BYTE_BGR), but uses the bigger scanlineStride.
+     * This means that the raster will have gaps, between the rows.
+     */
+    private static BufferedImage makeCustomManagedBI() {
+        int w = 511, h = 255;
+        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
+        int[] nBits = {8, 8, 8};
+        int[] bOffs = {2, 1, 0};
+        ColorModel colorModel = new ComponentColorModel(cs, nBits, false, false,
+                                                        Transparency.OPAQUE,
+                                                        DataBuffer.TYPE_BYTE);
+        WritableRaster raster =
+                Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, w, h,
+                                               w * 3 + 2, 3, bOffs, null);
+        BufferedImage bi = new BufferedImage(colorModel, raster, true, null);
+        SunWritableRaster.makeTrackable(raster.getDataBuffer());
+        SunWritableRaster.markDirty(bi);
+        return bi;
+    }
+
+    private static void init(final Image image) {
+        final Graphics2D graphics = (Graphics2D) image.getGraphics();
+        graphics.setComposite(AlphaComposite.Src);
+        graphics.setColor(new Color(0, 0, 0, 0));
+        graphics.fillRect(0, 0, image.getWidth(null), image.getHeight(null));
+        graphics.dispose();
+    }
+
+    private static void fill(final Image image) {
+        final Graphics2D graphics = (Graphics2D) image.getGraphics();
+        graphics.setComposite(AlphaComposite.Src);
+        for (int i = 0; i < image.getHeight(null); ++i) {
+            graphics.setColor(new Color(i, 0, 0));
+            graphics.fillRect(0, i, image.getWidth(null), 1);
+        }
+        graphics.dispose();
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/awt/image/DrawImage/SimpleUnmanagedImage.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.awt.AlphaComposite;
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsEnvironment;
+import java.awt.Image;
+import java.awt.Transparency;
+import java.awt.color.ColorSpace;
+import java.awt.image.BufferedImage;
+import java.awt.image.ColorModel;
+import java.awt.image.ComponentColorModel;
+import java.awt.image.DataBuffer;
+import java.awt.image.DataBufferByte;
+import java.awt.image.DataBufferInt;
+import java.awt.image.DataBufferShort;
+import java.awt.image.Raster;
+import java.awt.image.VolatileImage;
+import java.awt.image.WritableRaster;
+import java.io.File;
+import java.io.IOException;
+
+import javax.imageio.ImageIO;
+
+import static java.awt.Transparency.BITMASK;
+import static java.awt.Transparency.OPAQUE;
+import static java.awt.Transparency.TRANSLUCENT;
+import static java.awt.image.BufferedImage.TYPE_3BYTE_BGR;
+import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR;
+import static java.awt.image.BufferedImage.TYPE_4BYTE_ABGR_PRE;
+import static java.awt.image.BufferedImage.TYPE_BYTE_BINARY;
+import static java.awt.image.BufferedImage.TYPE_BYTE_INDEXED;
+import static java.awt.image.BufferedImage.TYPE_CUSTOM;
+import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
+import static java.awt.image.BufferedImage.TYPE_INT_ARGB_PRE;
+import static java.awt.image.BufferedImage.TYPE_INT_BGR;
+import static java.awt.image.BufferedImage.TYPE_INT_RGB;
+
+/**
+ * @test
+ * @key headful
+ * @bug 8029253 6207877
+ * @summary Tests the case when unmanaged image is drawn to VI.
+ *          Results of the blit to compatibleImage are used for comparison.
+ * @author Sergey Bylokhov
+ * @run main/othervm SimpleUnmanagedImage
+ * @run main/othervm -Dsun.java2d.uiScale=1 SimpleUnmanagedImage
+ * @run main/othervm -Dsun.java2d.uiScale=2 SimpleUnmanagedImage
+ */
+public final class SimpleUnmanagedImage {
+
+    // See the same test for managed images: SimpleManagedImage
+
+    private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB,
+                                        TYPE_INT_ARGB_PRE, TYPE_INT_BGR,
+                                        TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR,
+                                        TYPE_4BYTE_ABGR_PRE,
+                                        /*TYPE_USHORT_565_RGB,
+                                        TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY,
+                                        TYPE_USHORT_GRAY,*/ TYPE_BYTE_BINARY,
+                                        TYPE_BYTE_INDEXED, TYPE_CUSTOM};
+    private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT};
+
+    public static void main(final String[] args) throws IOException {
+        for (final int viType : TRANSPARENCIES) {
+            for (final int biType : TYPES) {
+                BufferedImage bi = makeUnmanagedBI(biType);
+                fill(bi);
+                test(bi, viType);
+            }
+        }
+    }
+
+    private static void test(BufferedImage bi, int type)
+            throws IOException {
+        GraphicsEnvironment ge = GraphicsEnvironment
+                .getLocalGraphicsEnvironment();
+        GraphicsConfiguration gc = ge.getDefaultScreenDevice()
+                                     .getDefaultConfiguration();
+        VolatileImage vi = gc.createCompatibleVolatileImage(1000, 1000, type);
+        BufferedImage gold = gc.createCompatibleImage(1000, 1000, type);
+        // draw to compatible Image
+        init(gold);
+        Graphics2D big = gold.createGraphics();
+        big.drawImage(bi, 7, 11, null);
+        big.dispose();
+        // draw to volatile image
+        BufferedImage snapshot;
+        while (true) {
+            vi.validate(gc);
+            if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
+                try {
+                    Thread.sleep(100);
+                } catch (final InterruptedException ignored) {
+                }
+                continue;
+            }
+            init(vi);
+            Graphics2D vig = vi.createGraphics();
+            vig.drawImage(bi, 7, 11, null);
+            vig.dispose();
+            snapshot = vi.getSnapshot();
+            if (vi.contentsLost()) {
+                try {
+                    Thread.sleep(100);
+                } catch (final InterruptedException ignored) {
+                }
+                continue;
+            }
+            break;
+        }
+        // validate images
+        for (int x = 0; x < 1000; ++x) {
+            for (int y = 0; y < 1000; ++y) {
+                if (gold.getRGB(x, y) != snapshot.getRGB(x, y)) {
+                    ImageIO.write(gold, "png", new File("gold.png"));
+                    ImageIO.write(snapshot, "png", new File("bi.png"));
+                    throw new RuntimeException("Test failed.");
+                }
+            }
+        }
+    }
+
+    private static BufferedImage makeUnmanagedBI(final int type) {
+        final BufferedImage bi;
+        if (type == TYPE_CUSTOM) {
+            bi = makeCustomUnmanagedBI();
+        } else {
+            bi = new BufferedImage(511, 255, type);
+        }
+        final DataBuffer db = bi.getRaster().getDataBuffer();
+        if (db instanceof DataBufferInt) {
+            ((DataBufferInt) db).getData();
+        } else if (db instanceof DataBufferShort) {
+            ((DataBufferShort) db).getData();
+        } else if (db instanceof DataBufferByte) {
+            ((DataBufferByte) db).getData();
+        }
+        bi.setAccelerationPriority(0.0f);
+        return bi;
+    }
+
+    /**
+     * Returns the custom buffered image, which mostly identical to
+     * BufferedImage.(w,h,TYPE_3BYTE_BGR), but uses the bigger scanlineStride.
+     * This means that the raster will have gaps, between the rows.
+     */
+    private static BufferedImage makeCustomUnmanagedBI() {
+        int w = 511, h = 255;
+        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
+        int[] nBits = {8, 8, 8};
+        int[] bOffs = {2, 1, 0};
+        ColorModel colorModel = new ComponentColorModel(cs, nBits, false, false,
+                                                        Transparency.OPAQUE,
+                                                        DataBuffer.TYPE_BYTE);
+        WritableRaster raster =
+                Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, w, h,
+                                               w * 3 + 2, 3, bOffs, null);
+        return new BufferedImage(colorModel, raster, true, null);
+    }
+
+    private static void init(final Image image) {
+        final Graphics2D graphics = (Graphics2D) image.getGraphics();
+        graphics.setComposite(AlphaComposite.Src);
+        graphics.setColor(new Color(0, 0, 0, 0));
+        graphics.fillRect(0, 0, image.getWidth(null), image.getHeight(null));
+        graphics.dispose();
+    }
+
+    private static void fill(final Image image) {
+        final Graphics2D graphics = (Graphics2D) image.getGraphics();
+        graphics.setComposite(AlphaComposite.Src);
+        for (int i = 0; i < image.getHeight(null); ++i) {
+            graphics.setColor(new Color(i, 0, 0));
+            graphics.fillRect(0, i, image.getWidth(null), 1);
+        }
+        graphics.dispose();
+    }
+}
--- a/test/jdk/java/awt/print/PrinterJob/CustomFont/CustomFont.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/awt/print/PrinterJob/CustomFont/CustomFont.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,7 +23,7 @@
 
 /*
   @test
-  @bug 4386025
+  @bug 4386025 8231243
   @summary fonts not in win32 font directory print incorrectly.
   @author prr: area=PrinterJob
   @run main/manual CustomFont
@@ -83,12 +83,13 @@
   Font customFont;
   public CustomFont() {
        try {
-             FileInputStream fin = new FileInputStream("A.ttf");
+             String dir = System.getProperty("test.src", ".");
+             String fileName = dir + File.separator + "A.ttf";
+             FileInputStream fin = new FileInputStream(fileName);
              Font cf = Font.createFont(Font.TRUETYPE_FONT, fin);
              customFont = cf.deriveFont(Font.PLAIN, 14);
         } catch (Exception ioe) {
-             System.err.println(ioe.getMessage());
-             customFont = new Font("serif", Font.PLAIN, 14);
+             throw new RuntimeException(ioe);
         }
   }
 
@@ -99,7 +100,7 @@
 
        g2D.setColor(Color.black);
        g2D.setFont(customFont);
-       String str = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
+       String str = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
        g.drawString(str, 100, 100);
 
        return Printable.PAGE_EXISTS;
--- a/test/jdk/java/io/ObjectInputStream/ResolveProxyClass.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/ObjectInputStream/ResolveProxyClass.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,6 @@
  * @run main ResolveProxyClass
  */
 
-import java.lang.reflect.*;
 import java.io.*;
 
 public class ResolveProxyClass {
@@ -52,7 +51,7 @@
             super();
         }
 
-        protected Class resolveProxyClass(String[] interfaces)
+        protected Class<?> resolveProxyClass(String[] interfaces)
             throws IOException, ClassNotFoundException
         {
             return super.resolveProxyClass(interfaces);
@@ -82,7 +81,7 @@
             ClassLoader expectedLoader = ResolveProxyClass.class.getClassLoader();
 
             TestObjectInputStream in = new TestObjectInputStream();
-            Class proxyClass = in.resolveProxyClass(
+            Class<?> proxyClass = in.resolveProxyClass(
                 new String[] { Runnable.class.getName() });
             ClassLoader proxyLoader = proxyClass.getClassLoader();
             System.err.println("proxy class \"" + proxyClass +
--- a/test/jdk/java/io/ObjectInputStream/TestObjectStreamClass.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/ObjectInputStream/TestObjectStreamClass.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -58,6 +58,8 @@
     }
 
     static class TestClass implements Serializable {
+        private static final long serialVersionUID = 1L;
+
         String str = "hello world";
     }
 
--- a/test/jdk/java/io/Serializable/ClassCastExceptionDetail/Read.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/ClassCastExceptionDetail/Read.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,9 @@
     private Float bar;
 }
 
-class Gub extends Foo {}
+class Gub extends Foo {
+    private static final long serialVersionUID = 1L;
+}
 
 public class Read {
     public static void main(String[] args) throws Exception {
--- a/test/jdk/java/io/Serializable/ClassCastExceptionDetail/Write.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/ClassCastExceptionDetail/Write.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -41,10 +41,12 @@
 
 class Foo implements Serializable {
     private static final long serialVersionUID = 0L;
-    private Integer bar = new Integer(0);
+    private Integer bar = 0;
 }
 
-class Gub extends Foo {}
+class Gub extends Foo {
+    private static final long serialVersionUID = 1L;
+}
 
 public class Write {
     public static void main(String[] args) throws Exception {
--- a/test/jdk/java/io/Serializable/GetField/Read2.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/GetField/Read2.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -41,6 +41,7 @@
     float f;
     double d;
     String str;
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     Object extra;
 
     private void readObject(ObjectInputStream in)
--- a/test/jdk/java/io/Serializable/InvalidClassException/noargctor/DefaultPackage.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/InvalidClassException/noargctor/DefaultPackage.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -56,24 +56,33 @@
 class DefaultPublicSerializable
 extends DefaultPackagePublicConstructor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     int field1 = 5;
 };
 
 class DefaultProtectedSerializable
 extends DefaultPackageProtectedConstructor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     int field1 = 5;
 };
 
 class DefaultAccessSerializable
 extends DefaultPackageDefaultAccessConstructor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     int field1 = 5;
 };
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested */
 class DefaultPrivateSerializable
 extends DefaultPackagePrivateConstructor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     int field1 = 5;
 
     DefaultPrivateSerializable() {
@@ -82,6 +91,8 @@
 };
 
 class ExternalizablePublicConstructor implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     public ExternalizablePublicConstructor() {
     }
     public void writeExternal(ObjectOutput out) throws IOException {
@@ -92,7 +103,10 @@
         }
 };
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested */
 class ExternalizableProtectedConstructor implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     protected ExternalizableProtectedConstructor() {
     }
     public void writeExternal(ObjectOutput out) throws IOException {
@@ -103,7 +117,10 @@
         }
 };
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested */
 class ExternalizableAccessConstructor implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     ExternalizableAccessConstructor() {
     }
     public void writeExternal(ObjectOutput out) throws IOException {
@@ -114,7 +131,10 @@
         }
 };
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested */
 class ExternalizablePrivateConstructor implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     private ExternalizablePrivateConstructor() {
     }
     public ExternalizablePrivateConstructor(int i) {
--- a/test/jdk/java/io/Serializable/InvalidClassException/noargctor/Serialize/SubclassAcrossPackage.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/InvalidClassException/noargctor/Serialize/SubclassAcrossPackage.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,18 +34,24 @@
 class PublicSerializable
 extends NonSerializable.PublicCtor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     int field1 = 5;
 };
 
 class ProtectedSerializable
 extends NonSerializable.ProtectedCtor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     int field1 = 5;
 };
 
 class DifferentPackageSerializable
 extends NonSerializable.PackageCtor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     int field1 = 5;
     DifferentPackageSerializable() {
         super(1);
@@ -55,11 +61,15 @@
 class SamePackageSerializable
 extends Serialize.SamePackageCtor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     SamePackageSerializable() {
     }
 };
 
 class SamePackageProtectedCtor {
+    private static final long serialVersionUID = 1L;
+
     protected SamePackageProtectedCtor() {
     }
 };
@@ -67,12 +77,16 @@
 class SamePackageProtectedSerializable
 extends Serialize.SamePackageProtectedCtor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     SamePackageProtectedSerializable() {
     }
 };
 
 
 class SamePackagePrivateCtor {
+    private static final long serialVersionUID = 1L;
+
     private SamePackagePrivateCtor() {
     }
     public SamePackagePrivateCtor(int l) {
@@ -82,6 +96,8 @@
 class SamePackagePrivateSerializable
 extends Serialize.SamePackagePrivateCtor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     SamePackagePrivateSerializable() {
         super(1);
     }
@@ -90,6 +106,8 @@
 class PrivateSerializable
 extends NonSerializable.PrivateCtor implements Serializable
 {
+    private static final long serialVersionUID = 1L;
+
     int field1 = 5;
 
     PrivateSerializable() {
@@ -98,6 +116,8 @@
 };
 
 class ExternalizablePublicCtor implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     public ExternalizablePublicCtor() {
     }
     public void writeExternal(ObjectOutput out) throws IOException {
@@ -108,7 +128,10 @@
         }
 };
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested */
 class ExternalizableProtectedCtor implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     protected ExternalizableProtectedCtor() {
     }
     public void writeExternal(ObjectOutput out) throws IOException {
@@ -119,7 +142,10 @@
         }
 };
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested */
 class ExternalizablePackageCtor implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     ExternalizablePackageCtor() {
     }
     public void writeExternal(ObjectOutput out) throws IOException {
@@ -130,7 +156,10 @@
         }
 };
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested */
 class ExternalizablePrivateCtor implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     private ExternalizablePrivateCtor() {
     }
     public ExternalizablePrivateCtor(int i) {
--- a/test/jdk/java/io/Serializable/NPEProvoker/NPEProvoker.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/NPEProvoker/NPEProvoker.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -41,6 +41,8 @@
 import java.util.ArrayList;
 
 public class NPEProvoker implements java.io.Externalizable {
+    private static final long serialVersionUID = 1L;
+
     private String test = "test";
 
     public void readExternal(ObjectInput in) throws IOException,
--- a/test/jdk/java/io/Serializable/NoClassDefFoundErrorTrap/NoClassDefFoundErrorTrap.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/NoClassDefFoundErrorTrap/NoClassDefFoundErrorTrap.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,7 +40,9 @@
     private static NoClassDefFoundError ncdfe;
 
     public interface Bar {}
-    public static class Foo implements Bar, java.io.Serializable {}
+    public static class Foo implements Bar, java.io.Serializable {
+        private static final long serialVersionUID = 1L;
+    }
 
     /**
      * Test subclass of ObjectInputStream that overrides resolveClass
@@ -55,7 +57,7 @@
             super(in);
         }
 
-        protected Class resolveClass(ObjectStreamClass desc)
+        protected Class<?> resolveClass(ObjectStreamClass desc)
             throws IOException, ClassNotFoundException
         {
             String name = desc.getName();
--- a/test/jdk/java/io/Serializable/PutField/Write2.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/PutField/Write2.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -44,6 +44,7 @@
         new ObjectStreamField("s2", String.class)
     };
 
+    @SuppressWarnings("deprecation")
     private void writeObject(ObjectOutputStream out) throws IOException {
         ObjectOutputStream.PutField fields = out.putFields();
         fields.put("s1", "qwerty");
--- a/test/jdk/java/io/Serializable/badSerialPersistentField/BadSerialPersistentField.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/badSerialPersistentField/BadSerialPersistentField.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,12 +31,16 @@
 import java.io.*;
 
 class A implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     private static final ObjectStreamField[] serialPersistentFields = {
         new ObjectStreamField("nonexistent", int.class)
     };
 }
 
 class B implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     private static final ObjectStreamField[] serialPersistentFields = {
         new ObjectStreamField("mismatched", int.class)
     };
@@ -44,6 +48,8 @@
 }
 
 class C implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     private static final ObjectStreamField[] serialPersistentFields = {
         new ObjectStreamField("existent", int.class)
     };
--- a/test/jdk/java/io/Serializable/badSerialVersionUID/BadSerialVersionUID.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/badSerialVersionUID/BadSerialVersionUID.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,42 +32,50 @@
 import java.io.*;
 
 class Z implements Serializable {
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static final boolean serialVersionUID = false;
 }
 
 class B implements Serializable {
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static final byte serialVersionUID = 5;
 }
 
 class C implements Serializable {
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static final char serialVersionUID = 5;
 }
 
 class S implements Serializable {
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static final short serialVersionUID = 5;
 }
 
 class I implements Serializable {
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static final int serialVersionUID = 5;
 }
 
 class F implements Serializable {
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static final float serialVersionUID = 5.0F;
 }
 
 class D implements Serializable {
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static final double serialVersionUID = 5.0;
 }
 
 class L implements Serializable {
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static final Object serialVersionUID = "5";
 }
 
 
 public class BadSerialVersionUID {
     public static void main(String[] args) throws Exception {
-        Class[] ignore = { Z.class, F.class, D.class, L.class };
-        Class[] convert = { B.class, C.class, S.class, I.class };
+        Class<?>[] ignore = { Z.class, F.class, D.class, L.class };
+        Class<?>[] convert = { B.class, C.class, S.class, I.class };
 
         for (int i = 0; i < ignore.length; i++) {
             ObjectStreamClass.lookup(ignore[i]).getSerialVersionUID();
--- a/test/jdk/java/io/Serializable/badSubstByReplace/BadSubstByReplace.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/badSubstByReplace/BadSubstByReplace.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,11 +29,16 @@
  */
 import java.io.*;
 
-class A implements Serializable {}
+class A implements Serializable {
+    private static final long serialVersionUID = 1L;
+}
 
-class B implements Serializable {}
+class B implements Serializable {
+    private static final long serialVersionUID = 1L;
+}
 
 class Container implements Serializable {
+    private static final long serialVersionUID = 1L;
     A a = new A();
 }
 
--- a/test/jdk/java/io/Serializable/checkModifiers/CheckModifiers.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/checkModifiers/CheckModifiers.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,7 +36,10 @@
 
 import java.io.*;
 class TestClass1 implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     // Missing the "final" modifier
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static ObjectStreamField[] serialPersistentFields = {
         new ObjectStreamField("field1", Integer.class),
         new ObjectStreamField("field2", Double.TYPE),
@@ -58,7 +61,7 @@
         throws IOException, ClassNotFoundException {
         ObjectInputStream.GetField pfields = ois.readFields();
 
-        field1 = (Integer) pfields.get("field1", new Integer(100));
+        field1 = (Integer) pfields.get("field1", Integer.valueOf(100));
         field2 = pfields.get("field2", 99.99);
 
         /* These fields must be present in the stream */
@@ -79,7 +82,10 @@
 
 
 class TestClass2 implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     // public instead of private
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     public static final ObjectStreamField[] serialPersistentFields = {
         new ObjectStreamField("field1", Integer.class),
         new ObjectStreamField("field2", Double.TYPE),
@@ -101,7 +107,7 @@
         throws IOException, ClassNotFoundException {
         ObjectInputStream.GetField pfields = ois.readFields();
 
-        field1 = (Integer) pfields.get("field1", new Integer(100));
+        field1 = (Integer) pfields.get("field1", Integer.valueOf(100));
         field2 = pfields.get("field2", 99.99);
 
         /* These fields must be present in the stream */
@@ -121,7 +127,10 @@
 };
 
 class TestClass3 implements Serializable{
+    private static final long serialVersionUID = 1L;
+
     // Not of type ObjectStreamField
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private final String[] serialPersistentFields =  {"Foo","Foobar"};;
     Integer field1;
     double field2;
@@ -139,7 +148,7 @@
         throws IOException, ClassNotFoundException {
         ObjectInputStream.GetField pfields = ois.readFields();
 
-        field1 = (Integer) pfields.get("field1", new Integer(100));
+        field1 = (Integer) pfields.get("field1", Integer.valueOf(100));
         field2 = pfields.get("field2", 99.99);
         field3 = pfields.get("field3", 99);
         field4 = (String) pfields.get("field4", "Default string");
@@ -156,6 +165,8 @@
 };
 
 class TestClass4 implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     // Correct format
     private static final ObjectStreamField[] serialPersistentFields = {
         new ObjectStreamField("field1", Integer.class),
@@ -178,7 +189,7 @@
         throws IOException, ClassNotFoundException {
         ObjectInputStream.GetField pfields = ois.readFields();
 
-        field1 = (Integer) pfields.get("field1", new Integer(100));
+        field1 = (Integer) pfields.get("field1", Integer.valueOf(100));
         field2 = pfields.get("field2", 99.99);
 
         try {
@@ -199,16 +210,16 @@
 public class CheckModifiers {
     public static void main(String[] args)
         throws ClassNotFoundException, IOException{
-        TestClass1 tc1 = new TestClass1(new Integer(100), 25.56, 2000,
+        TestClass1 tc1 = new TestClass1(100, 25.56, 2000,
             new String("Test modifiers of serialPersistentFields"));
 
-        TestClass2 tc2 = new TestClass2(new Integer(100), 25.56, 2000,
+        TestClass2 tc2 = new TestClass2(100, 25.56, 2000,
             new String("Test modifiers of serialPersistentFields"));
 
-        TestClass3 tc3 = new TestClass3(new Integer(100), 25.56, 2000,
+        TestClass3 tc3 = new TestClass3(100, 25.56, 2000,
             new String("Test Type of serialPersistentFields"));
 
-        TestClass4 tc4 = new TestClass4(new Integer(100), 25.56, 2000,
+        TestClass4 tc4 = new TestClass4(100, 25.56, 2000,
             new String("Test modifiers of serialPersistentFields"));
 
 
--- a/test/jdk/java/io/Serializable/class/SerialA_2/A.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/class/SerialA_2/A.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,7 +24,7 @@
 import java.io.Serializable;
 
 public class A implements Serializable {
-    static final long serialVersionUID = 746945609796141988L;
+    private static final long serialVersionUID = 746945609796141988L;
 
     int field1;
     int field2;
--- a/test/jdk/java/io/Serializable/classDescFlagConflict/Foo.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/classDescFlagConflict/Foo.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,8 @@
 import java.io.*;
 
 public class Foo implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     public void writeExternal(ObjectOutput out) throws IOException {}
     public void readExternal(ObjectInput in)
         throws IOException, ClassNotFoundException {}
--- a/test/jdk/java/io/Serializable/classDescGetField/GetField.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/classDescGetField/GetField.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,6 +33,8 @@
 import java.io.*;
 
 public class GetField implements Serializable{
+    private static final long serialVersionUID = 1L;
+
     String str;
     int i;
 
--- a/test/jdk/java/io/Serializable/classDescHooks/CNFException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/classDescHooks/CNFException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -47,7 +47,7 @@
     public static void main(String[] args) throws Exception {
         ByteArrayOutputStream bout = new ByteArrayOutputStream();
         ObjectOutputStream oout = new ObjectOutputStream(bout);
-        oout.writeObject(new Integer(5));
+        oout.writeObject(5);
         oout.close();
         ObjectInputStream oin =
             new CNFInputStream(new ByteArrayInputStream(bout.toByteArray()));
--- a/test/jdk/java/io/Serializable/classDescHooks/ClassDescHooks.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/classDescHooks/ClassDescHooks.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,9 +32,9 @@
 
 class Foo implements Serializable {
     private static final long serialVersionUID = 1L;
-    Short s = new Short((short) 1);
-    Integer i = new Integer(2);
-    Long l = new Long(3);
+    Short s = (short) 1;
+    Integer i = 2;
+    Long l = 3L;
 
     public boolean equals(Object obj) {
         if (obj instanceof Foo) {
@@ -43,6 +43,10 @@
         }
         return false;
     }
+
+    public int hashCode() {
+        return i;
+    }
 }
 
 class CustomOutputStream extends ObjectOutputStream {
--- a/test/jdk/java/io/Serializable/classDescHooks/ExternLoopback.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/classDescHooks/ExternLoopback.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,9 +32,9 @@
 import java.util.*;
 
 class LoopbackOutputStream extends ObjectOutputStream {
-    LinkedList descs;
+    LinkedList<ObjectStreamClass> descs;
 
-    LoopbackOutputStream(OutputStream out, LinkedList descs)
+    LoopbackOutputStream(OutputStream out, LinkedList<ObjectStreamClass> descs)
         throws IOException
     {
         super(out);
@@ -49,9 +49,9 @@
 }
 
 class LoopbackInputStream extends ObjectInputStream {
-    LinkedList descs;
+    LinkedList<ObjectStreamClass> descs;
 
-    LoopbackInputStream(InputStream in, LinkedList descs) throws IOException {
+    LoopbackInputStream(InputStream in, LinkedList<ObjectStreamClass> descs) throws IOException {
         super(in);
         this.descs = descs;
     }
@@ -59,11 +59,12 @@
     protected ObjectStreamClass readClassDescriptor()
         throws IOException, ClassNotFoundException
     {
-        return (ObjectStreamClass) descs.removeFirst();
+        return descs.removeFirst();
     }
 }
 
 public class ExternLoopback implements Externalizable {
+    private static final long serialVersionUID = 1L;
 
     String a, b, c;
 
@@ -100,13 +101,17 @@
         return streq(a, other.a) && streq(b, other.b) && streq(c, other.c);
     }
 
+    public int hashCode() {
+        return a.hashCode();
+    }
+
     static boolean streq(String s1, String s2) {
         return (s1 != null) ? s1.equals(s2) : (s2 == null);
     }
 
     public static void main(String[] args) throws Exception {
         ExternLoopback lb = new ExternLoopback("foo", "bar", "baz");
-        LinkedList descs = new LinkedList();
+        LinkedList<ObjectStreamClass> descs = new LinkedList<>();
         ByteArrayOutputStream bout = new ByteArrayOutputStream();
         LoopbackOutputStream lout = new LoopbackOutputStream(bout, descs);
         lout.writeObject(lb);
--- a/test/jdk/java/io/Serializable/classDescHooks/Loopback.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/classDescHooks/Loopback.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,9 +33,9 @@
 import java.util.*;
 
 class LoopbackOutputStream extends ObjectOutputStream {
-    LinkedList descs;
+    LinkedList<ObjectStreamClass> descs;
 
-    LoopbackOutputStream(OutputStream out, LinkedList descs)
+    LoopbackOutputStream(OutputStream out, LinkedList<ObjectStreamClass> descs)
         throws IOException
     {
         super(out);
@@ -50,21 +50,22 @@
 }
 
 class LoopbackInputStream extends ObjectInputStream {
-    LinkedList descs;
+    LinkedList<ObjectStreamClass> descs;
 
-    LoopbackInputStream(InputStream in, LinkedList descs) throws IOException {
+    LoopbackInputStream(InputStream in, LinkedList<ObjectStreamClass> descs) throws IOException {
         super(in);
         this.descs = descs;
     }
 
     protected ObjectStreamClass readClassDescriptor()
-        throws IOException, ClassNotFoundException
     {
-        return (ObjectStreamClass) descs.removeFirst();
+        return descs.removeFirst();
     }
 }
 
 public class Loopback implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     String str;
 
     Loopback(String str) {
@@ -73,7 +74,7 @@
 
     public static void main(String[] args) throws Exception {
         Loopback lb = new Loopback("foo");
-        LinkedList descs = new LinkedList();
+        LinkedList<ObjectStreamClass> descs = new LinkedList<>();
         ByteArrayOutputStream bout = new ByteArrayOutputStream();
         LoopbackOutputStream lout = new LoopbackOutputStream(bout, descs);
         lout.writeObject(lb);
--- a/test/jdk/java/io/Serializable/cloneArray/CloneArray.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/cloneArray/CloneArray.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,6 +40,8 @@
     static Object replacement;
 
     static class Resolver implements Serializable {
+        private static final long serialVersionUID = 1L;
+
         private Object readResolve() throws ObjectStreamException {
             return replacement;
         }
--- a/test/jdk/java/io/Serializable/concurrentClassDescLookup/ConcurrentClassDescLookup.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/concurrentClassDescLookup/ConcurrentClassDescLookup.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,8 @@
 import java.io.*;
 
 class Good implements Serializable {
+    private static final long serialVersionUID = 6319710844400051132L;
+
     static {
         try { Thread.sleep(1000); } catch (InterruptedException ex) {}
     }
@@ -47,12 +49,12 @@
 }
 
 class SuccessfulLookup extends Thread {
-    Class cl;
+    Class<?> cl;
     long suid;
     Object barrier;
     boolean ok;
 
-    SuccessfulLookup(Class cl, long suid, Object barrier) {
+    SuccessfulLookup(Class<?> cl, long suid, Object barrier) {
         this.cl = cl;
         this.suid = suid;
         this.barrier = barrier;
@@ -72,11 +74,11 @@
 }
 
 class FailingLookup extends Thread {
-    Class cl;
-    Object barrier;
+    Class<?> cl;
+    final Object barrier;
     boolean ok;
 
-    FailingLookup(Class cl, Object barrier) {
+    FailingLookup(Class<?> cl, Object barrier) {
         this.cl = cl;
         this.barrier = barrier;
     }
@@ -99,7 +101,7 @@
 public class ConcurrentClassDescLookup {
     public static void main(String[] args) throws Exception {
         ClassLoader loader = ConcurrentClassDescLookup.class.getClassLoader();
-        Class cl = Class.forName("Good", false, loader);
+        Class<?> cl = Class.forName("Good", false, loader);
         Object barrier = new Object();
         SuccessfulLookup[] slookups = new SuccessfulLookup[50];
         for (int i = 0; i < slookups.length; i++) {
--- a/test/jdk/java/io/Serializable/defaultDataEnd/DefaultDataEnd.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/defaultDataEnd/DefaultDataEnd.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,8 @@
 import java.io.*;
 
 class A implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     int i1 = 1, i2 = 2;
     String s1 = "foo", s2 = "bar";
 
@@ -66,6 +68,8 @@
 }
 
 class B implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     int i1 = 1, i2 = 2;
     String s1 = "foo", s2 = "bar";
 
@@ -101,6 +105,8 @@
 }
 
 class C implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     private void readObject(ObjectInputStream in)
         throws IOException, ClassNotFoundException
     {
--- a/test/jdk/java/io/Serializable/defaultReadObjectCNFException/DefaultReadObjectCNFException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/defaultReadObjectCNFException/DefaultReadObjectCNFException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,9 @@
 import java.io.*;
 
 class Foo implements Serializable {
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("serial") /* Incorrect use is being tested */
     Object obj = new Bar();
 
     private void readObject(ObjectInputStream in)
@@ -44,12 +47,14 @@
     }
 }
 
-class Bar implements Serializable {}
+class Bar implements Serializable {
+    private static final long serialVersionUID = 1L;
+}
 
 class TestObjectInputStream extends ObjectInputStream {
     TestObjectInputStream(InputStream in) throws IOException { super(in); }
 
-    protected Class resolveClass(ObjectStreamClass desc)
+    protected Class<?> resolveClass(ObjectStreamClass desc)
         throws IOException, ClassNotFoundException
     {
         if (desc.getName().equals(Bar.class.getName())) {
--- a/test/jdk/java/io/Serializable/defaulted/GetFieldRead.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/defaulted/GetFieldRead.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,9 +30,9 @@
 
 import java.io.*;
 class TestClass implements Serializable {
-    public static final Integer DEFAULT_OBJECT_I = new Integer(99);
+    public static final Integer DEFAULT_OBJECT_I = 99;
     public static final Foo DEFAULT_OBJECT_F = new Foo();
-    private static final long serialVersionUID=5748652654655279289L;
+    private static final long serialVersionUID = 5748652654655279289L;
 
     // Fields to be serialized.
     private static final ObjectStreamField[] serialPersistentFields = {
--- a/test/jdk/java/io/Serializable/defaulted/GetFieldWrite.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/defaulted/GetFieldWrite.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -62,8 +62,7 @@
     {
         FileOutputStream fos = new FileOutputStream("data.ser");
         ObjectOutput out = new ObjectOutputStream(fos);
-        out.writeObject(new TestClass(new Foo(100, 200), new Integer(100),
-            200));
+        out.writeObject(new TestClass(new Foo(100, 200), 100, 200));
         out.close();
     }
 };
@@ -72,6 +71,8 @@
  * Test class to be used as data field
  */
 class Foo implements Serializable{
+    private static final long serialVersionUID = 1L;
+
     int a;
     int b;
     public Foo() {
--- a/test/jdk/java/io/Serializable/enum/classObject/Test.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/enum/classObject/Test.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,7 +35,7 @@
     public static void main(String[] args) throws Exception {
         ByteArrayOutputStream bout = new ByteArrayOutputStream();
         ObjectOutputStream oout = new ObjectOutputStream(bout);
-        Class[] classes = { Enum.class, Foo.foo.getClass(),
+        Class<?>[] classes = { Enum.class, Foo.foo.getClass(),
                             Foo.bar.getClass(), Foo.baz.getClass() };
         for (int i = 0; i < classes.length; i++) {
             oout.writeObject(classes[i]);
--- a/test/jdk/java/io/Serializable/enum/ignoreSerializationFields/Test.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/enum/ignoreSerializationFields/Test.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,6 +34,7 @@
 
     foo,
     bar {
+        @SuppressWarnings("serial") /* Incorrect declarations are being tested */
         private static final long serialVersionUID = 2L;
         // bar is implemented as an inner class instance, so the following
         // declaration would cause a compile-time error
@@ -42,7 +43,10 @@
         // };
     };
 
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private static final ObjectStreamField[] serialPersistentFields = {
         new ObjectStreamField("blargh", Integer.TYPE)
     };
@@ -50,7 +54,7 @@
 
 public class Test {
     public static void main(String[] args) throws Exception {
-        Class[] classes =
+        Class<?>[] classes =
             { Foo.class, Foo.foo.getClass(), Foo.bar.getClass() };
         for (int i = 0; i < classes.length; i++) {
             ObjectStreamClass desc = ObjectStreamClass.lookup(classes[i]);
--- a/test/jdk/java/io/Serializable/enum/ignoreSerializationMethods/Test.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/enum/ignoreSerializationMethods/Test.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,14 +33,17 @@
 
     foo,
     bar {
+        @SuppressWarnings("serial") /* Incorrect declarations are being tested */
         private void writeObject(ObjectOutputStream out) throws IOException {
             throw new Error("bar.writeObject invoked");
         }
+        @SuppressWarnings("serial") /* Incorrect declarations are being tested */
         private void readObject(ObjectInputStream in)
             throws IOException, ClassNotFoundException
         {
             throw new Error("bar.readObject invoked");
         }
+        @SuppressWarnings("serial") /* Incorrect declarations are being tested */
         Object writeReplace() throws ObjectStreamException {
             throw new Error("bar.writeReplace invoked");
         }
@@ -50,14 +53,17 @@
         // }
     };
 
+    @SuppressWarnings("serial") /* Incorrect use is being tested */
     private void writeObject(ObjectOutputStream out) throws IOException {
         throw new Error("Foo.writeObject invoked");
     }
+    @SuppressWarnings("serial") /* Incorrect use is being tested */
     private void readObject(ObjectInputStream in)
         throws IOException, ClassNotFoundException
     {
         throw new Error("Foo.readObject invoked");
     }
+    @SuppressWarnings("serial") /* Incorrect use is being tested */
     Object writeReplace() throws ObjectStreamException {
         throw new Error("Foo.writeReplace invoked");
     }
--- a/test/jdk/java/io/Serializable/enum/mismatchedTypecode/Test.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/enum/mismatchedTypecode/Test.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -71,7 +71,7 @@
         }
 
         oout = new TestObjectOutputStream(bout = new ByteArrayOutputStream());
-        oout.writeObject(new Integer(5));
+        oout.writeObject(5);
         oout.close();
         oin = new ObjectInputStream(
             new ByteArrayInputStream(bout.toByteArray()));
--- a/test/jdk/java/io/Serializable/evolution/AddedExternField/ReadAddedField.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/evolution/AddedExternField/ReadAddedField.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,6 +36,8 @@
 }
 
 class D implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     public int x;
     D(int y) {
         x = y;
--- a/test/jdk/java/io/Serializable/evolution/AddedExternField/WriteAddedField.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/evolution/AddedExternField/WriteAddedField.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,6 +36,8 @@
 import java.io.*;
 
 class NewExternFieldClass implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     byte l;
 
     public NewExternFieldClass() {
@@ -60,6 +62,8 @@
 }
 
 class D implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     public int x;
     D(int y) {
         x = y;
--- a/test/jdk/java/io/Serializable/evolution/AddedField/ReadAddedField.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/evolution/AddedField/ReadAddedField.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,7 +33,7 @@
 import java.io.*;
 
 class IncompatibleFieldClass implements Serializable {
-    private static long serialVersionUID = 4L;
+    private static final long serialVersionUID = 3L;
     int x = 5;
 };
 
--- a/test/jdk/java/io/Serializable/evolution/AddedField/WriteAddedField.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/evolution/AddedField/WriteAddedField.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,6 +37,8 @@
 import java.io.*;
 
 class NewFieldClass implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     int k;
 
     NewFieldClass(int value) {
@@ -45,11 +47,14 @@
 };
 
 class IncompatibleFieldClass implements Serializable {
-    private static long serialVersionUID = 3L;
+    private static final long serialVersionUID = 3L;
     int x = 5;
 };
 
+@SuppressWarnings("serial") /* Incorrect use is being tested */
 class NewExternFieldClass implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     byte l;
 
     public NewExternFieldClass(int value) {
--- a/test/jdk/java/io/Serializable/evolution/AddedSuperClass/ReadAddedSuperClass2.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/evolution/AddedSuperClass/ReadAddedSuperClass2.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,6 +42,8 @@
 import java.io.*;
 
 class AddedSuperClass implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     // Needed at least one field to recreate failure.
     int field;
 }
--- a/test/jdk/java/io/Serializable/evolution/AddedSuperClass/WriteAddedSuperClass.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/evolution/AddedSuperClass/WriteAddedSuperClass.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -52,6 +52,8 @@
 import java.io.*;
 
 class AddedSuperClass implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     // Needed at least one field to recreate failure.
     int field;
 }
--- a/test/jdk/java/io/Serializable/expectedStackTrace/ExpectedStackTrace.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/expectedStackTrace/ExpectedStackTrace.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,9 +42,11 @@
     }
 }
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested */
 class SerializableObject extends NotSerializableObject
     implements Serializable
 {
+    private static final long serialVersionUID = 1L;
 
     public SerializableObject(String m_str, Integer m_int) {
         super(m_str, m_int);
@@ -67,7 +69,7 @@
         ObjectStreamClass osc =
             ObjectStreamClass.lookup(SerializableObject.class);
         SerializableObject initObj =
-            (SerializableObject) osc.forClass().newInstance();
+            (SerializableObject) osc.forClass().getConstructor().newInstance();
         return initObj;
     }
 
--- a/test/jdk/java/io/Serializable/explicitCNFException/ExplicitCNFException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/explicitCNFException/ExplicitCNFException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,8 @@
 import java.io.*;
 
 class A implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     private void readObject(ObjectInputStream in)
         throws ClassNotFoundException, IOException
     {
@@ -39,6 +41,8 @@
 }
 
 class B implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     public B() {}
 
     public void writeExternal(ObjectOutput out) throws IOException {}
--- a/test/jdk/java/io/Serializable/failureAtomicity/Bar.template	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/failureAtomicity/Bar.template	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,7 +28,7 @@
 import failureAtomicity.SerialRef;
 
 public class Bar extends Foo implements Serializable {
-    static final long serialVersionUID = -0L;
+    private static final long serialVersionUID = -0L;
 
     public final long barPrim;
     public final String barRef;
--- a/test/jdk/java/io/Serializable/failureAtomicity/Foo.template	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/failureAtomicity/Foo.template	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -28,7 +28,7 @@
 import failureAtomicity.SerialRef;
 
 public class Foo implements Serializable {
-    static final long serialVersionUID = -0L;
+    private static final long serialVersionUID = -0L;
 
     public final int fooPrim;
     public final String fooRef;
--- a/test/jdk/java/io/Serializable/failureAtomicity/SerialRef.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/failureAtomicity/SerialRef.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,9 +30,10 @@
 // For verification purposes only.
 
 public class SerialRef implements Serializable {
-    static final long serialVersionUID = -0L;
+    private static final long serialVersionUID = -0L;
     public static Object obj;
 
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private final Object ref;
 
     public SerialRef(Object ref) {
--- a/test/jdk/java/io/Serializable/fieldTypeString/Write.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/fieldTypeString/Write.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,6 +42,7 @@
 
 class Foo implements Serializable {
     private static final long serialVersionUID = 0L;
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     Object obj;
 
     Foo(Object obj) {
@@ -59,7 +60,7 @@
         ObjectOutputStream oout =
             new ObjectOutputStream(new FileOutputStream("foo.ser"));
         oout.writeObject(new Foo("foo"));
-        oout.writeObject(new Foo(new Integer(0)));
+        oout.writeObject(new Foo(0));
         oout.close();
 
         oout = new ObjectOutputStream(new FileOutputStream("bar.ser"));
--- a/test/jdk/java/io/Serializable/finalFields/FinalFields.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/finalFields/FinalFields.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,8 @@
 import java.io.*;
 
 class Foo implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     final int i;
 
     Foo(int i) {
@@ -41,6 +43,10 @@
         Foo f = (Foo) obj;
         return (i == f.i);
     }
+
+    public int hashCode() {
+        return i;
+    }
 }
 
 public class FinalFields {
@@ -68,4 +74,5 @@
         if (! (f1.equals(f1copy) && f2.equals(f2copy)))
             throw new Error("copies don't match originals");
     }
+
 }
--- a/test/jdk/java/io/Serializable/getSuidClinitError/GetSuidClinitError.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/getSuidClinitError/GetSuidClinitError.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,7 @@
 
 import java.io.*;
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
 class A implements Serializable {
     static {
         // compiler prohibits direct throw
@@ -41,30 +42,36 @@
     }
 }
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
 class B implements Serializable {
 }
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
 class C implements Serializable {
     static { System.out.println("C.<clinit>"); }
 }
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
 class B1 extends B {
 }
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
 class B2 extends B {
     static { System.out.println("B2.<clinit>"); }
 }
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
 class C1 extends C {
 }
 
+@SuppressWarnings("serial") /* Incorrect declarations are being tested. */
 class C2 extends C {
     static { System.out.println("C2.<clinit>"); }
 }
 
 public class GetSuidClinitError {
     public static void main(String[] args) throws Exception {
-        Class cl = Class.forName(
+        Class<?> cl = Class.forName(
             "A", false, GetSuidClinitError.class.getClassLoader());
         for (int i = 0; i < 2; i++) {
             try {
@@ -83,7 +90,7 @@
             }
         }
 
-        Class[] cls = new Class[] {
+        Class<?>[] cls = {
             B.class, B1.class, B2.class,
             C.class, C1.class, C2.class
         };
--- a/test/jdk/java/io/Serializable/lookupInterfaceDesc/LookupInterfaceDesc.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/lookupInterfaceDesc/LookupInterfaceDesc.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,10 +30,12 @@
 import java.io.*;
 
 interface Foo extends Serializable {
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     static final long serialVersionUID = 0xCAFE;
 }
 
 interface Bar extends Externalizable {
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     static final long serialVersionUID = 0xBABE;
 }
 
--- a/test/jdk/java/io/Serializable/misplacedArrayClassDesc/MisplacedArrayClassDesc.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/misplacedArrayClassDesc/MisplacedArrayClassDesc.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,8 @@
 import java.io.*;
 
 class TestArray implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     // size of array
     private static final int ARR_SIZE = 5;
     // serializable field
--- a/test/jdk/java/io/Serializable/modifyStaticFields/ModifyStaticFields.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/modifyStaticFields/ModifyStaticFields.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,8 @@
 import java.io.*;
 
 public class ModifyStaticFields implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     private static final ObjectStreamField[] serialPersistentFields =
         new ObjectStreamField[] { new ObjectStreamField("str", String.class) };
 
--- a/test/jdk/java/io/Serializable/nestedReplace/NestedReplace.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/nestedReplace/NestedReplace.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -35,18 +35,23 @@
 import java.io.*;
 
 class A implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     Object writeReplace() throws ObjectStreamException {
         return new B();
     }
 }
 
 class B implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     Object writeReplace() throws ObjectStreamException {
         return new C();
     }
 }
 
 class C implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     static int writeReplaceCalled = 0;
 
@@ -61,6 +66,8 @@
 }
 
 class D implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     Object readResolve() throws ObjectStreamException {
         throw new Error("readResolve() called more than once");
     }
--- a/test/jdk/java/io/Serializable/noSuchFieldClarification/NoSuchFieldClarification.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/noSuchFieldClarification/NoSuchFieldClarification.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,8 +33,9 @@
  import java.io.*;
 
  class TwoDPoint implements Serializable {
+     private static final long serialVersionUID = 1L;
 
-         private double radius;
+     private double radius;
          private double angle;
 
          private static final ObjectStreamField[] serialPersistentFields  = {
--- a/test/jdk/java/io/Serializable/notAvailable/NotAvailable.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/notAvailable/NotAvailable.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -76,6 +76,8 @@
 }
 
 class Class1 implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     int a, b;
 
     public Class1(int aa, int bb) {
--- a/test/jdk/java/io/Serializable/oldTests/AnnotateClass.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/oldTests/AnnotateClass.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -102,7 +102,7 @@
     /* When any class is written, add a "magic" string
      * that must be verified by the TestInputStream.
      */
-    protected void annotateClass(Class cl) throws IOException {
+    protected void annotateClass(Class<?> cl) throws IOException {
         this.writeUTF("magic");
     }
 
@@ -112,7 +112,6 @@
      * Other objects are written as themselves.
      */
     protected Object replaceObject(Object obj)
-        throws IOException
     {
         /* For PrintStreams, like stdout and stderr, encode */
         if (obj instanceof PrintStream) {
@@ -169,6 +168,7 @@
  * and a small integer.
  */
 class StdStream implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
     private int stream = 0;
 
     public StdStream(PrintStream s) {
--- a/test/jdk/java/io/Serializable/oldTests/ArrayTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/oldTests/ArrayTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,6 +22,8 @@
  */
 
 public class ArrayTest implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
+
     byte b[] = { 0, 1};
     short s[] = { 0, 1, 2};
     char c[] = { 'Z', 'Y', 'X'};
--- a/test/jdk/java/io/Serializable/oldTests/ArraysOfArrays.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/oldTests/ArraysOfArrays.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,40 +42,40 @@
             ostream = new FileOutputStream("piotest5.tmp");
             ObjectOutputStream p = new ObjectOutputStream(ostream);
 
-            byte b[][] = {{ 0, 1}, {2,3}};
-            p.writeObject((Object)b);
+            byte[][] b = {{ 0, 1}, {2,3}};
+            p.writeObject(b);
 
-            short s[][] = {{ 0, 1, 2}, {3,4,5}};
-            p.writeObject((Object)s);
+            short[][] s = {{ 0, 1, 2}, {3,4,5}};
+            p.writeObject(s);
 
-            char c[][] = {{ 0, 1, 2, 3}, {4, 5, 6, 7}};
-            p.writeObject((Object)c);
+            char[][] c = {{ 0, 1, 2, 3}, {4, 5, 6, 7}};
+            p.writeObject(c);
 
-            int i[][] = {{ 0, 1, 2, 3, 4}, {5, 6, 7, 8, 9}};
-            p.writeObject((Object)i);
+            int[][] i = {{ 0, 1, 2, 3, 4}, {5, 6, 7, 8, 9}};
+            p.writeObject(i);
 
-            long l[][] = {{ 0, 1, 2, 3, 4, 5}, {6,7,8,9,10,11}};
+            long[][] l = {{ 0, 1, 2, 3, 4, 5}, {6,7,8,9,10,11}};
             p.writeObject((Object)l);
 
-            boolean z[][] = new boolean[2][2];
+            boolean[][] z = new boolean[2][2];
 
             z[0][0] = true;
             z[0][1] = false;
             z[1] = z[0];        // Use first row same as second
 
-            p.writeObject((Object)z);
+            p.writeObject(z);
 
-            float f[][] = {{ 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f},
+            float[][] f = {{ 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f},
                 { 1.1f, 2.1f, 3.1f, 4.1f, 5.1f, 6.1f}};
-            p.writeObject((Object)f);
+            p.writeObject(f);
 
-            double d[][] = {{ 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0d},
+            double[][] d = {{ 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0d},
                 { 1.1f, 2.1f, 3.1f, 4.1f, 5.1f, 6.1f, 7.1d}};
-            p.writeObject((Object)d);
+            p.writeObject(d);
 
-            Integer Int[][] = {{ new Integer(3), new Integer(2)},
-                { new Integer(1), new Integer(0)}};
-            p.writeObject((Object)Int);
+            Integer Int[][] = {{ 3, 2},
+                               { 1, 0}};
+            p.writeObject(Int);
 
             p.flush();
 
@@ -84,12 +84,12 @@
             istream = new FileInputStream("piotest5.tmp");
             ObjectInputStream q = new ObjectInputStream(istream);
 
-            byte b_u[][] = (byte [][]) (q.readObject());
+            byte[][] b_u = (byte [][]) (q.readObject());
             for (int ix = 0; ix < b_u.length; ix++) {
                 for(int iy = 0; iy < b_u[ix].length; iy++) {
                     if (b[ix][iy] != b_u[ix][iy]) {
                         System.err.println("\nByte array mismatch [" +
-                            ix + "][" + iy + " expected " + b[ix][iy] +
+                            ix + "][" + iy + "] expected " + b[ix][iy] +
                             " actual = " + b_u[ix][iy]);
                         throw new Error();
                     }
@@ -97,97 +97,97 @@
             }
 
 
-            short s_u[][] = (short [][])(q.readObject());
-            for (int ix = 0; ix < b_u.length; ix++) {
-                for(int iy = 0; iy < b_u[ix].length; iy++) {
-                    if (b[ix][iy] != b_u[ix][iy]) {
+            short[][] s_u = (short [][])(q.readObject());
+            for (int ix = 0; ix < s_u.length; ix++) {
+                for(int iy = 0; iy < s_u[ix].length; iy++) {
+                    if (s[ix][iy] != s_u[ix][iy]) {
                         System.err.println("\nshort array mismatch [" +
-                            ix + "][" + iy + " expected " + b[ix][iy] +
-                            " actual = " + b_u[ix][iy]);
+                            ix + "][" + iy + "] expected " + s[ix][iy] +
+                            " actual = " + s_u[ix][iy]);
                         throw new Error();
                     }
                 }
             }
 
-            char c_u[][] = (char [][])(q.readObject());
-            for (int ix = 0; ix < b_u.length; ix++) {
-                for(int iy = 0; iy < b_u[ix].length; iy++) {
-                    if (b[ix][iy] != b_u[ix][iy]) {
+            char[][] c_u = (char [][])(q.readObject());
+            for (int ix = 0; ix < c_u.length; ix++) {
+                for(int iy = 0; iy < c_u[ix].length; iy++) {
+                    if (c[ix][iy] != c_u[ix][iy]) {
                         System.err.println("\nchar array mismatch [" +
-                            ix + "][" + iy + " expected " + b[ix][iy] +
-                            " actual = " + b_u[ix][iy]);
+                            ix + "][" + iy + "] expected " + c[ix][iy] +
+                            " actual = " + c_u[ix][iy]);
                         throw new Error();
                     }
                 }
             }
 
-            int i_u[][] = (int [][])(q.readObject());
-            for (int ix = 0; ix < b_u.length; ix++) {
-                for(int iy = 0; iy < b_u[ix].length; iy++) {
-                    if (b[ix][iy] != b_u[ix][iy]) {
+            int[][] i_u = (int [][])(q.readObject());
+            for (int ix = 0; ix < i_u.length; ix++) {
+                for(int iy = 0; iy < i_u[ix].length; iy++) {
+                    if (i[ix][iy] != i_u[ix][iy]) {
                         System.err.println("\nint array mismatch [" +
-                            ix + "][" + iy + " expected " + b[ix][iy] +
-                            " actual = " + b_u[ix][iy]);
+                            ix + "][" + iy + "] expected " + i[ix][iy] +
+                            " actual = " + i_u[ix][iy]);
                         throw new Error();
                     }
                 }
             }
 
-            long l_u[][] = (long [][])(q.readObject());
-            for (int ix = 0; ix < b_u.length; ix++) {
-                for(int iy = 0; iy < b_u[ix].length; iy++) {
-                    if (b[ix][iy] != b_u[ix][iy]) {
+            long[][] l_u = (long [][])(q.readObject());
+            for (int ix = 0; ix < l_u.length; ix++) {
+                for(int iy = 0; iy < l_u[ix].length; iy++) {
+                    if (l[ix][iy] != l_u[ix][iy]) {
                         System.err.println("\nlong array mismatch [" +
-                            ix + "][" + iy + " expected " + b[ix][iy] +
-                            " actual = " + b_u[ix][iy]);
+                            ix + "][" + iy + "] expected " + l[ix][iy] +
+                            " actual = " + l_u[ix][iy]);
                         throw new Error();
                     }
                 }
             }
 
-            boolean z_u[][] = (boolean [][])(q.readObject());
-            for (int ix = 0; ix < b_u.length; ix++) {
-                for(int iy = 0; iy < b_u[ix].length; iy++) {
-                    if (b[ix][iy] != b_u[ix][iy]) {
+            boolean[][] z_u = (boolean [][])(q.readObject());
+            for (int ix = 0; ix < z_u.length; ix++) {
+                for(int iy = 0; iy < z_u[ix].length; iy++) {
+                    if (z[ix][iy] != z_u[ix][iy]) {
                         System.err.println("\nboolean array mismatch [" +
-                            ix + "][" + iy + " expected " + b[ix][iy] +
-                            " actual = " + b_u[ix][iy]);
+                            ix + "][" + iy + "] expected " + z[ix][iy] +
+                            " actual = " + z_u[ix][iy]);
                         throw new Error();
                     }
                 }
             }
 
-            float f_u[][] = (float [][])(q.readObject());
-            for (int ix = 0; ix < b_u.length; ix++) {
-                for(int iy = 0; iy < b_u[ix].length; iy++) {
-                    if (b[ix][iy] != b_u[ix][iy]) {
+            float[][] f_u = (float [][])(q.readObject());
+            for (int ix = 0; ix < f_u.length; ix++) {
+                for(int iy = 0; iy < f_u[ix].length; iy++) {
+                    if (f[ix][iy] != f_u[ix][iy]) {
                         System.err.println("\nfloat array mismatch [" +
-                            ix + "][" + iy + " expected " + b[ix][iy] +
-                            " actual = " + b_u[ix][iy]);
+                            ix + "][" + iy + "] expected " + f[ix][iy] +
+                            " actual = " + f_u[ix][iy]);
                         throw new Error();
                     }
                 }
             }
 
-            double d_u[][] = (double [][])(q.readObject());
-            for (int ix = 0; ix < b_u.length; ix++) {
-                for(int iy = 0; iy < b_u[ix].length; iy++) {
-                    if (b[ix][iy] != b_u[ix][iy]) {
+            double[][] d_u = (double [][])(q.readObject());
+            for (int ix = 0; ix < d_u.length; ix++) {
+                for(int iy = 0; iy < d_u[ix].length; iy++) {
+                    if (d[ix][iy] != d_u[ix][iy]) {
                         System.err.println("\ndouble array mismatch [" +
-                            ix + "][" + iy + " expected " + b[ix][iy] +
-                            " actual = " + b_u[ix][iy]);
+                            ix + "][" + iy + "] expected " + d[ix][iy] +
+                            " actual = " + d_u[ix][iy]);
                         throw new Error();
                     }
                 }
             }
 
-            Integer Int_u[][] = (Integer [][])(q.readObject());
-            for (int ix = 0; ix < b_u.length; ix++) {
-                for(int iy = 0; iy < b_u[ix].length; iy++) {
-                    if (b[ix][iy] != b_u[ix][iy]) {
+            Integer[][] Int_u = (Integer [][])(q.readObject());
+            for (int ix = 0; ix < Int_u.length; ix++) {
+                for(int iy = 0; iy < Int_u[ix].length; iy++) {
+                    if (!Int[ix][iy].equals(Int_u[ix][iy])) {
                         System.err.println("\nInteger array mismatch [" +
-                            ix + "][" + iy + " expected " + b[ix][iy] +
-                            " actual = " + b_u[ix][iy]);
+                            ix + "][" + iy + "] expected " + Int[ix][iy] +
+                            " actual = " + Int_u[ix][iy]);
                         throw new Error();
                     }
                 }
--- a/test/jdk/java/io/Serializable/oldTests/BinaryTree.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/oldTests/BinaryTree.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -75,6 +75,8 @@
 }
 
 class BinaryTreeTest implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
+
     public BinaryTreeTest left;
     public BinaryTreeTest right;
     public int id;
--- a/test/jdk/java/io/Serializable/oldTests/CheckForException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/oldTests/CheckForException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -105,6 +105,8 @@
 }
 
 class PickleClass implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
+
     int ii = 17;
     transient int tmp[];
 
@@ -129,6 +131,8 @@
 }
 
 class NoPickleClass extends PickleClass {
+    private static final long serialVersionUID = 1L;
+
     private void writeObject(ObjectOutputStream pw)
         throws NotSerializableException
     {
@@ -143,6 +147,8 @@
 }
 
 class TryPickleClass  extends NoPickleClass {
+    private static final long serialVersionUID = 1L;
+
     int i = 7;
     transient int tmp[];
 
--- a/test/jdk/java/io/Serializable/oldTests/CheckingEquality.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/oldTests/CheckingEquality.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -83,6 +83,8 @@
 }
 
 class Firstpsio implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
+
     String one;
     int two;
     float three[];
@@ -125,6 +127,8 @@
 }
 
 class Secondpsio extends Firstpsio  {
+    private static final long serialVersionUID = 1L;
+
     String quatre;
     int cinq;
 
@@ -173,6 +177,7 @@
 }
 
 class Thirdpsio extends Secondpsio {
+    private static final long serialVersionUID = 1L;
 
     static String ign = "ignored";
     transient Object oh;
@@ -184,7 +189,8 @@
     static final byte dcare = (byte) 128;
     private short nine = 8888;
     long ten;
-    java.util.Enumeration zero;
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
+    java.util.Enumeration<?> zero;
 
 
     boolean equals(Thirdpsio other) {
@@ -227,7 +233,7 @@
         eight = (byte)8;
         nine = (short)9;
         ten = (long)100000;
-        java.util.Enumeration em = null; /* default */
+        java.util.Enumeration<?> em = null; /* default */
 
         super.init();
     }
--- a/test/jdk/java/io/Serializable/oldTests/CircularList.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/oldTests/CircularList.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -68,6 +68,8 @@
 }
 
 class CircularListTest implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
+
     public CircularListTest next = null;
     public static CircularListTest list = null;
 
--- a/test/jdk/java/io/Serializable/oldTests/PrimitivesTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/oldTests/PrimitivesTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -22,6 +22,8 @@
  */
 
 public class PrimitivesTest implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
+
     byte b = 1;
     char c = 'c';
     float f = 3.14159f;
--- a/test/jdk/java/io/Serializable/oldTests/ValidateClass.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/oldTests/ValidateClass.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -64,7 +64,7 @@
             Validator vc_u;
 
             vc_u = (Validator)q.readObject();
-            if (vc_u.validated != Integer.MIN_VALUE) {
+            if (Validator.validated != Integer.MIN_VALUE) {
                 System.err.println("\nTEST FAILED: Validation callbacks did " +
                     "not complete.");
                 throw new Error();
@@ -80,6 +80,7 @@
 }
 
 class MissingWriterClass implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
     int i = 77;
 
     private void writeObject(ObjectOutputStream pw) throws IOException {
@@ -88,6 +89,7 @@
 }
 
 class MissingReaderClass implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
     int i = 77;
 
     private void readObject(ObjectInputStream pr) throws IOException {
@@ -97,6 +99,8 @@
 
 
 class Validator implements ObjectInputValidation, java.io.Serializable  {
+    private static final long serialVersionUID = 1L;
+
     static int validated = Integer.MAX_VALUE; // Last value validated
     int priority;
     Validator next = null;
--- a/test/jdk/java/io/Serializable/optionalDataEnd/OptionalDataEnd.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/optionalDataEnd/OptionalDataEnd.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,8 @@
 import java.io.*;
 
 class Foo implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     int reps;
 
     Foo(int reps) {
@@ -40,7 +42,7 @@
     private void writeObject(ObjectOutputStream out) throws IOException {
         out.defaultWriteObject();
         for (int i = 0; i < reps; i++) {
-            out.writeObject(new Integer(i));
+            out.writeObject(i);
         }
     }
 
--- a/test/jdk/java/io/Serializable/packageAccess/B.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/packageAccess/B.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,8 @@
  */
 
 public class B extends A implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
+
     public B() {
         super(0);
     }
--- a/test/jdk/java/io/Serializable/packageAccess/C.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/packageAccess/C.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,8 @@
 import java.io.*;
 
 public class C implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     Object writeReplace() throws ObjectStreamException {
         throw new Error("package-private writeReplace called");
     }
--- a/test/jdk/java/io/Serializable/packageAccess/D.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/packageAccess/D.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,4 +29,5 @@
  */
 
 public class D extends C implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
 }
--- a/test/jdk/java/io/Serializable/packageAccess/PackageAccessTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/packageAccess/PackageAccessTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -50,8 +50,8 @@
 
 public class PackageAccessTest {
 
-    static Class bcl;
-    static Class dcl;
+    static Class<?> bcl;
+    static Class<?> dcl;
 
     public static void main(String[] args) throws Exception {
         setup();
@@ -62,7 +62,7 @@
             bcl = Class.forName("B", true, ldr);
             dcl = Class.forName("D", true, ldr);
 
-            Object b = bcl.newInstance();
+            Object b = bcl.getConstructor().newInstance();
             try {
                 swizzle(b);
                 throw new Error("expected InvalidClassException for class B");
@@ -74,7 +74,7 @@
                 throw new Error("package private constructor of A invoked");
             }
 
-            Object d = dcl.newInstance();
+            Object d = dcl.getConstructor().newInstance();
             swizzle(d);
         }
     }
@@ -103,7 +103,7 @@
         super(in);
     }
 
-    protected Class resolveClass(ObjectStreamClass desc)
+    protected Class<?> resolveClass(ObjectStreamClass desc)
         throws IOException, ClassNotFoundException
     {
         String n = desc.getName();
--- a/test/jdk/java/io/Serializable/parents/EvolvedClass.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/parents/EvolvedClass.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -52,6 +52,8 @@
  * must not be invoked.
  */
 class ASuperClass implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     String name;
 
     ASuperClass() {
--- a/test/jdk/java/io/Serializable/parents/OriginalClass.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/parents/OriginalClass.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -59,6 +59,8 @@
 
 
 class ASubClass implements Serializable {
+    private static final long serialVersionUID = 6341246181948372513L;
+
     int num;
 
     ASubClass(int num) {
--- a/test/jdk/java/io/Serializable/partialClassDesc/PartialClassDesc.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/partialClassDesc/PartialClassDesc.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -43,7 +43,7 @@
 
 public class PartialClassDesc {
     public static void main(String[] args) throws Exception {
-        Class cl = Class.forName(
+        Class<?> cl = Class.forName(
             "A", false, PartialClassDesc.class.getClassLoader());
         ObjectStreamClass desc = null;
         try {
--- a/test/jdk/java/io/Serializable/primitiveClasses/PrimitiveClasses.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/primitiveClasses/PrimitiveClasses.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@
 
 public class PrimitiveClasses {
     public static void main(String[] args) throws Exception {
-        Class[] primClasses = new Class[] {
+        Class<?>[] primClasses = {
             boolean.class, byte.class, char.class, short.class,
             int.class, long.class, float.class, double.class, void.class
         };
--- a/test/jdk/java/io/Serializable/proxy/Basic.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/proxy/Basic.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,12 +36,13 @@
 
 // dummy invocation handler
 class Handler implements InvocationHandler, Serializable {
+    private static final long serialVersionUID = 1L;
 
     static Method fooMethod, barMethod;
     static {
         try {
-            fooMethod = Foo.class.getDeclaredMethod("foo", new Class[0]);
-            barMethod = Bar.class.getDeclaredMethod("bar", new Class[0]);
+            fooMethod = Foo.class.getDeclaredMethod("foo", new Class<?>[0]);
+            barMethod = Bar.class.getDeclaredMethod("bar", new Class<?>[0]);
         } catch (NoSuchMethodException ex) {
             throw new Error();
         }
@@ -59,9 +60,9 @@
         throws Throwable
     {
         if (method.equals(fooMethod)) {
-            return new Integer(foo);
+            return foo;
         } else if (method.equals(barMethod)) {
-            return new Float(bar);
+            return bar;
         } else {
             throw new UnsupportedOperationException();
         }
@@ -73,7 +74,7 @@
 
     ProxyBlindInputStream(InputStream in) throws IOException { super(in); }
 
-    protected Class resolveProxyClass(String[] interfaces)
+    protected Class<?> resolveProxyClass(String[] interfaces)
         throws IOException, ClassNotFoundException
     {
         throw new ClassNotFoundException();
@@ -83,7 +84,7 @@
 public class Basic {
     public static void main(String[] args) throws Exception {
         ClassLoader loader = Basic.class.getClassLoader();
-        Class[] interfaces = new Class[] { Foo.class, Bar.class };
+        Class<?>[] interfaces = { Foo.class, Bar.class };
         Random rand = new Random();
         int foo = rand.nextInt();
         float bar = rand.nextFloat();
--- a/test/jdk/java/io/Serializable/proxy/replace/Test.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/proxy/replace/Test.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,7 @@
 import java.lang.reflect.*;
 
 public class Test implements InvocationHandler, Serializable {
+    private static final long serialVersionUID = 1L;
 
     static ClassLoader loader = Test.class.getClassLoader();
 
@@ -39,10 +40,10 @@
         String methName = method.getName();
         if (methName.equals("writeReplace")) {
             return Proxy.newProxyInstance(
-                loader, new Class[] { ReadResolve.class }, this);
+                loader, new Class<?>[] { ReadResolve.class }, this);
         } else if (methName.equals("readResolve")) {
             return Proxy.newProxyInstance(
-                loader, new Class[] { Resolved.class }, this);
+                loader, new Class<?>[] { Resolved.class }, this);
         } else if (method.getDeclaringClass() == Object.class) {
             return method.invoke(this, args);
         } else {
@@ -54,7 +55,7 @@
         ByteArrayOutputStream bout = new ByteArrayOutputStream();
         ObjectOutputStream oout = new ObjectOutputStream(bout);
         oout.writeObject(Proxy.newProxyInstance(
-            loader, new Class[] { WriteReplace.class }, new Test()));
+            loader, new Class<?>[] { WriteReplace.class }, new Test()));
         oout.close();
         ObjectInputStream oin = new ObjectInputStream(
             new ByteArrayInputStream(bout.toByteArray()));
--- a/test/jdk/java/io/Serializable/proxy/skipMissing/Handler.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/proxy/skipMissing/Handler.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,8 @@
 import java.lang.reflect.*;
 
 class Handler implements InvocationHandler, Serializable {
+    private static final long serialVersionUID = 1L;
+
     public Object invoke(Object proxy, Method method, Object[] args)
         throws Throwable
     {
--- a/test/jdk/java/io/Serializable/proxy/skipMissing/Write.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/proxy/skipMissing/Write.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,6 +42,7 @@
 class A implements Serializable {
     private static final long serialVersionUID = 0L;
     String a = "a";
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     Object proxy;
     String z = "z";
 
@@ -65,7 +66,7 @@
     public static void main(String[] args) throws Exception {
         Object proxy = Proxy.newProxyInstance(
             Write.class.getClassLoader(),
-            new Class[] { I.class }, new Handler());
+            new Class<?>[] { I.class }, new Handler());
         ObjectOutputStream oout = new ObjectOutputStream(
             new FileOutputStream("tmp.ser"));
         oout.writeObject(new A(proxy));
--- a/test/jdk/java/io/Serializable/readObjectNoData/Read.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/readObjectNoData/Read.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -48,6 +48,7 @@
 class B extends A implements Serializable {
     private static final long serialVersionUID = 0L;
     boolean bCalled = false;
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     private void readObjectNoData(int wrong) throws ObjectStreamException {
         bCalled = true;
     }
@@ -82,6 +83,7 @@
 class E extends D {
     private static final long serialVersionUID = 0L;
     boolean eCalled = false;
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     void readObjectNoData() throws ObjectStreamException {
         eCalled = true;
     }
--- a/test/jdk/java/io/Serializable/recursiveClassDescLookup/Test.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/recursiveClassDescLookup/Test.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,7 +40,7 @@
 
 public class Test {
     public static void main(String[] args) throws Exception {
-        Class fooCl = Class.forName("Foo", false, Test.class.getClassLoader());
+        Class<?> fooCl = Class.forName("Foo", false, Test.class.getClassLoader());
         ObjectStreamClass.lookup(fooCl);
         System.out.println("done.");
     }
--- a/test/jdk/java/io/Serializable/replaceStringArray/ReplaceStringArray.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/replaceStringArray/ReplaceStringArray.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,8 @@
 import java.lang.reflect.Array;
 
 class A implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     String stringA;
     String stringB;
     String stringC;
@@ -74,7 +76,7 @@
             Object[] array = (Object[]) obj;
             /* Double the array.
              * Initialize new array elements with original array. */
-            Class arrayComponentType = array.getClass().getComponentType();
+            Class<?> arrayComponentType = array.getClass().getComponentType();
             Object[] newarray =
                 (Object[])Array.newInstance(arrayComponentType,
                                             array.length * 2);
@@ -108,7 +110,7 @@
 
             /* Double the array.
              * Initialize new array elements with original array. */
-            Class arrayComponentType = array.getClass().getComponentType();
+            Class<?> arrayComponentType = array.getClass().getComponentType();
             Object[] newarray =
                 (Object[])Array.newInstance(arrayComponentType,
                                             array.length * 2);
--- a/test/jdk/java/io/Serializable/resolveClass/MethodTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/resolveClass/MethodTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,9 +31,11 @@
 import java.lang.reflect.*;
 
 public class MethodTest implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     public static void main(String[] args) throws Exception {
         Method readObject = ObjectInputStream.class.getDeclaredMethod(
-            "readObject", new Class[0]);
+            "readObject", new Class<?>[0]);
         ByteArrayOutputStream bout = new ByteArrayOutputStream();
         ObjectOutputStream oout = new ObjectOutputStream(bout);
         oout.writeObject(new MethodTest());
--- a/test/jdk/java/io/Serializable/resolveClass/consTest/ConsTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/resolveClass/consTest/ConsTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,9 +42,10 @@
 import jdk.test.lib.util.JarUtils;
 
 public class ConsTest implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     public static void main(String[] args) throws Exception {
-        Constructor cons = Boot.class.getConstructor(
-            new Class[] { ObjectInputStream.class });
+        Constructor<?> cons = Boot.class.getConstructor(ObjectInputStream.class);
         ByteArrayOutputStream bout = new ByteArrayOutputStream();
         ObjectOutputStream oout = new ObjectOutputStream(bout);
         oout.writeObject(new ConsTest());
@@ -53,7 +54,7 @@
         for (int i = 0; i < 100; i++) {
             ObjectInputStream oin = new ObjectInputStream(
                 new ByteArrayInputStream(bout.toByteArray()));
-            cons.newInstance(new Object[]{ oin });
+            cons.newInstance(oin);
         }
     }
 }
--- a/test/jdk/java/io/Serializable/resolveClass/deserializeButton/DeserializeButtonTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/resolveClass/deserializeButton/DeserializeButtonTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -46,7 +46,8 @@
 
         try (URLClassLoader ldr =
             new URLClassLoader(new URL[]{ new URL("file:cb.jar") })) {
-            Runnable r = (Runnable) Class.forName("Foo", true, ldr).newInstance();
+            Runnable r = (Runnable) Class.forName("Foo", true, ldr)
+                    .getConstructor().newInstance();
             r.run();
         }
     }
--- a/test/jdk/java/io/Serializable/resolveClass/deserializeButton/Foo.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/resolveClass/deserializeButton/Foo.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,7 +34,9 @@
 
 public class Foo implements Runnable {
 
-    static class TestElement extends Object implements Serializable {}
+    static class TestElement extends Object implements Serializable {
+        private static final long serialVersionUID = 1L;
+    }
 
     public void run() {
         try {
--- a/test/jdk/java/io/Serializable/resolveClassException/ResolveClassException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/resolveClassException/ResolveClassException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,8 +37,8 @@
         super(in);
     }
 
-    protected Class resolveClass(ObjectStreamClass desc)
-        throws IOException, ClassNotFoundException
+    protected Class<?> resolveClass(ObjectStreamClass desc)
+        throws ClassNotFoundException
     {
         throw new ClassNotFoundException(message);
     }
@@ -53,7 +53,7 @@
         Object obj;
 
         // write and read an object
-        obj = new Integer(5);
+        obj = 5;
         bout = new ByteArrayOutputStream();
         oout = new ObjectOutputStream(bout);
         oout.writeObject(obj);
@@ -67,7 +67,7 @@
         }
 
         // write and read an array of objects
-        obj = new Integer[] { new Integer(5) };
+        obj = new Integer[] { 5 };
         bout = new ByteArrayOutputStream();
         oout = new ObjectOutputStream(bout);
         oout.writeObject(obj);
--- a/test/jdk/java/io/Serializable/resolveProxyClass/NonPublicInterface.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/resolveProxyClass/NonPublicInterface.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,6 +37,8 @@
 public class NonPublicInterface {
 
     static class Handler implements InvocationHandler, Serializable {
+        private static final long serialVersionUID = 1L;
+
         public Object invoke(Object obj, Method meth, Object[] args) {
             return null;
         }
--- a/test/jdk/java/io/Serializable/sanityCheck/SanityCheck.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/sanityCheck/SanityCheck.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,6 +31,7 @@
 import java.util.*;
 
 class Item implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     static final int ARRAYLEN = 1000;
     static final int STRLEN = 1000;
@@ -55,6 +56,7 @@
     double[] dary;
 
     String str;
+    @SuppressWarnings("serial")  /* Incorrect declarations are being tested */
     Object[] oary;
 
     Item() {
@@ -86,7 +88,7 @@
             fary[i] = rand.nextFloat();
             jary[i] = rand.nextLong();
             dary[i] = rand.nextDouble();
-            oary[i] = new Integer(rand.nextInt());
+            oary[i] = rand.nextInt();
         }
 
         char[] strChars = new char[STRLEN];
@@ -126,6 +128,11 @@
 
         return true;
     }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(i, j);
+    }
 }
 
 public class SanityCheck {
--- a/test/jdk/java/io/Serializable/serialFilter/SerialFilterTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/serialFilter/SerialFilterTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -730,6 +730,7 @@
     static class ReadResolveToArray implements Serializable, ObjectInputFilter {
         private static final long serialVersionUID = 123456789L;
 
+        @SuppressWarnings("serial") /* Incorrect declarations are being tested */
         private final Object array;
         private final int length;
 
--- a/test/jdk/java/io/Serializable/serialver/classpath/ClasspathTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/serialver/classpath/ClasspathTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -44,6 +44,7 @@
 import jdk.test.lib.process.ProcessTools;
 
 public class ClasspathTest implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
     int a;
     int b;
 
--- a/test/jdk/java/io/Serializable/serialver/nested/NestedTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/serialver/nested/NestedTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -45,7 +45,11 @@
 import jdk.test.lib.process.ProcessTools;
 
 public class NestedTest implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     public static class Test1 implements Serializable {
+        private static final long serialVersionUID = 1L;
+
         public static class Test2 implements Serializable{
             private static final long serialVersionUID = 100L;
         }
--- a/test/jdk/java/io/Serializable/skipToEndOfBlockData/SkipToEndOfBlockData.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/skipToEndOfBlockData/SkipToEndOfBlockData.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,6 +32,8 @@
 import java.io.*;
 
 class MismatchedRead implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     int i;
     float f;
 
@@ -59,9 +61,15 @@
         MismatchedRead other = (MismatchedRead) obj;
         return (i == other.i && f == other.f);
     }
+
+    public int hashCode() {
+        return i;
+    }
 }
 
 class MismatchedReadExternal implements Externalizable {
+    private static final long serialVersionUID = 1L;
+
     int i;
     float f;
 
@@ -91,9 +99,15 @@
         MismatchedReadExternal other = (MismatchedReadExternal) obj;
         return (i == other.i && f == other.f);
     }
+
+    public int hashCode() {
+        return i;
+    }
 }
 
 class InnocentBystander implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     String s;
 
     InnocentBystander(String s) {
@@ -108,6 +122,10 @@
             return s.equals(other.s);
         return (s == other.s);
     }
+
+    public int hashCode() {
+        return s.hashCode();
+    }
 }
 
 public class SkipToEndOfBlockData {
--- a/test/jdk/java/io/Serializable/skipWriteObject/Write.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/skipWriteObject/Write.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -44,6 +44,8 @@
 }
 
 class Bar implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     int a, b;
     private void writeObject(ObjectOutputStream out) throws IOException {
         out.defaultWriteObject();
--- a/test/jdk/java/io/Serializable/skippedObjCNFException/Read.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/skippedObjCNFException/Read.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,6 +37,7 @@
 
 class B implements Serializable {
     private static final long serialVersionUID = 0L;
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     Object c;
 }
 
--- a/test/jdk/java/io/Serializable/skippedObjCNFException/Write.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/skippedObjCNFException/Write.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -43,11 +43,13 @@
     // all three following fields not present on reading side
     B b = new B();
     C c = new C();
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     Object ca = new Object[] { new C() };
 }
 
 class B implements Serializable {
     private static final long serialVersionUID = 0L;
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     Object c = new C();
 }
 
--- a/test/jdk/java/io/Serializable/stopCustomDeserialization/Read.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/stopCustomDeserialization/Read.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,6 +32,7 @@
 
 class A implements Serializable {
     private static final long serialVersionUID = 0L;
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     Object x;
 }
 
--- a/test/jdk/java/io/Serializable/stopCustomDeserialization/Write.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/stopCustomDeserialization/Write.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -39,6 +39,7 @@
 
 class A implements Serializable {
     private static final long serialVersionUID = 0L;
+    @SuppressWarnings("serial") /* Incorrect declarations are being tested */
     Object x = new X();
 }
 
--- a/test/jdk/java/io/Serializable/subclass/AbstractObjectInputStream.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/subclass/AbstractObjectInputStream.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -253,7 +253,7 @@
      * @exception InstantiationException  TBD.
      */
     protected final native Object
-        allocateNewObject(Class ofClass, Class ctorClass)
+        allocateNewObject(Class<?> ofClass, Class<?> ctorClass)
         throws InstantiationException, IllegalAccessException;
 
     /**
@@ -271,7 +271,7 @@
      * @exception InstantiationException  TBD.
      */
     protected final native Object
-        allocateNewArray(Class componentClass, int length)
+        allocateNewArray(Class<?> componentClass, int length)
         throws InstantiationException, IllegalAccessException;
 
     /**
@@ -317,5 +317,6 @@
     public abstract int skipBytes(int len) throws IOException;
 
     /* @deprecated */
+    @SuppressWarnings("deprecation")
     public abstract String readLine() throws IOException;
 };
--- a/test/jdk/java/io/Serializable/subclass/SubclassTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/subclass/SubclassTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -57,6 +57,8 @@
  * Test if customized readObject and writeObject are called.
  */
 class B implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     public int publicIntField;
     public static int numWriteObjectCalled = 0;
     B(int v) {
@@ -80,9 +82,11 @@
  */
 
 class C implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     public int xx1;
     public int xx2;
-    static final ObjectStreamField[] serialPersistentFields = {
+    private static final ObjectStreamField[] serialPersistentFields = {
         new ObjectStreamField("x1", Integer.TYPE),
         new ObjectStreamField("x2", Integer.TYPE),
         new ObjectStreamField("x3", Integer.TYPE),
@@ -106,6 +110,8 @@
 
 
 class A implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     public int  publicIntField;
     public long publicLongField;
     public B    publicBField;
--- a/test/jdk/java/io/Serializable/subclass/XObjectInputStream.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/subclass/XObjectInputStream.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -47,7 +47,7 @@
 
         Object readResult = null;
         Object prevObject = currentObject;
-        Class  prevDesc   = currentClassDescriptor;
+        Class<?>  prevDesc   = currentClassDescriptor;
 
         boolean NotImplemented = true;
         if (NotImplemented)
@@ -243,7 +243,7 @@
      }
 
     private Object currentObject;
-    private Class currentClassDescriptor;
+    private Class<?> currentClassDescriptor;
 
 
 
@@ -256,15 +256,15 @@
      * Set the accessible flag on it here. ObjectOutputStream
      * will call it as necessary.
      */
-    public static Method getReadObjectMethod(final Class cl) {
+    public static Method getReadObjectMethod(final Class<?> cl) {
 
-        Method readObjectMethod = (Method)
+        Method readObjectMethod =
             java.security.AccessController.doPrivileged
-            (new java.security.PrivilegedAction() {
-                public Object run() {
+            (new java.security.PrivilegedAction<Method>() {
+                public Method run() {
                     Method m = null;
                     try {
-                        Class[] args = {ObjectInputStream.class};
+                        Class<?>[] args = {ObjectInputStream.class};
                         m = cl.getDeclaredMethod("readObject", args);
                         int mods = m.getModifiers();
                         // Method must be private and non-static
@@ -292,8 +292,8 @@
     {
         try {
             java.security.AccessController.doPrivileged
-                (new java.security.PrivilegedExceptionAction() {
-                    public Object run() throws InvocationTargetException,
+                (new java.security.PrivilegedExceptionAction<Void>() {
+                    public Void run() throws InvocationTargetException,
                                         java.lang.IllegalAccessException {
                         m.invoke(obj, argList);
                         return null;
--- a/test/jdk/java/io/Serializable/subclass/XObjectOutputStream.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/subclass/XObjectOutputStream.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -116,7 +116,7 @@
             int mods = fields[i].getModifiers();
             if (Modifier.isStatic(mods) || Modifier.isTransient(mods))
                 continue;
-            Class FieldType = fields[i].getType();
+            Class<?> FieldType = fields[i].getType();
             if (FieldType.isPrimitive()) {
                 System.out.println("Field " + fields[i].getName() +
                                     " has primitive type " + FieldType.toString());
@@ -127,7 +127,7 @@
                     writeObject(fields[i].get(obj));
                     if (FieldType.isArray()) {
                         Object[] array = ((Object[]) fields[i].get(obj));
-                        Class componentType = FieldType.getComponentType();
+                        Class<?> componentType = FieldType.getComponentType();
                         if (componentType.isPrimitive())
                             System.out.println("Output " + array.length + " primitive elements of" +
                                                componentType.toString());
@@ -227,6 +227,7 @@
         /**
          * Write the data and fields to the specified ObjectOutput stream.
          */
+        @SuppressWarnings("deprecation")
         public void write(ObjectOutput out) throws IOException {
             for (int i = 0; i < next; i++)
                 System.out.println(fieldName[i] + "=" + intValue[i]);
@@ -300,15 +301,15 @@
      * Set the accessible flag on it here.
      * Subclass of AbstractObjectOutputStream will call it as necessary.
      */
-    public static Method getWriteObjectMethod(final Class cl) {
+    public static Method getWriteObjectMethod(final Class<?> cl) {
 
-        Method writeObjectMethod = (Method)
+        Method writeObjectMethod =
             java.security.AccessController.doPrivileged
-            (new java.security.PrivilegedAction() {
-                public Object run() {
+            (new java.security.PrivilegedAction<Method>() {
+                public Method run() {
                     Method m = null;
                     try {
-                        Class[] args = {ObjectOutputStream.class};
+                        Class<?>[] args = {ObjectOutputStream.class};
                         m = cl.getDeclaredMethod("writeObject", args);
                         int mods = m.getModifiers();
                         // Method must be private and non-static
@@ -336,8 +337,8 @@
     {
         try {
             java.security.AccessController.doPrivileged
-                (new java.security.PrivilegedExceptionAction() {
-                    public Object run() throws InvocationTargetException,
+                (new java.security.PrivilegedExceptionAction<Void>() {
+                    public Void run() throws InvocationTargetException,
                                         java.lang.IllegalAccessException {
                         m.invoke(obj, argList);
                         return null;
--- a/test/jdk/java/io/Serializable/superclassDataLoss/A.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/superclassDataLoss/A.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,8 @@
  */
 
 public class A implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
+
     protected final int i;
     protected A(int i) { this.i = i; }
 }
--- a/test/jdk/java/io/Serializable/superclassDataLoss/B.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/superclassDataLoss/B.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,6 +29,8 @@
  */
 
 public class B extends A implements Runnable {
+    private static final long serialVersionUID = 1L;
+
     public B() { super(0xDEADBEEF); }
 
     // verify superclass data still present
--- a/test/jdk/java/io/Serializable/superclassDataLoss/SuperclassDataLossTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/superclassDataLoss/SuperclassDataLossTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -62,7 +62,7 @@
         this.ldr12A = ldr12A;
     }
 
-    protected Class resolveClass(ObjectStreamClass desc)
+    protected Class<?> resolveClass(ObjectStreamClass desc)
         throws IOException, ClassNotFoundException
     {
         // resolve A's classdesc to class != B's superclass
@@ -91,7 +91,8 @@
              URLClassLoader ldr2 = new URLClassLoader(new URL[] { new URL("file:cb2.jar") })) {
             setup();
 
-            Runnable a = (Runnable) Class.forName("B", true, ldr1).newInstance();
+            Runnable a = (Runnable) Class.forName("B", true, ldr1)
+                    .getConstructor().newInstance();
             a.run();
 
             ByteArrayOutputStream bout = new ByteArrayOutputStream();
--- a/test/jdk/java/io/Serializable/survivePrematureClose/SurvivePrematureClose.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/survivePrematureClose/SurvivePrematureClose.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,6 +32,7 @@
 import java.io.*;
 
 class A implements Externalizable {
+    private static final long serialVersionUID = 1L;
 
     public A() {}
 
@@ -49,6 +50,7 @@
 }
 
 class B implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     private void writeObject(ObjectOutputStream out) throws IOException {
         out.defaultWriteObject();
--- a/test/jdk/java/io/Serializable/typeSafeEnum/TypeSafeEnum.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/typeSafeEnum/TypeSafeEnum.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,8 @@
 import java.io.*;
 
 public class TypeSafeEnum implements Serializable, ObjectInputValidation {
+    private static final long serialVersionUID = 1L;
+
     private static int numWriteObject = 0;
     private static int numReadObject = 0;
 
@@ -47,7 +49,7 @@
     static boolean verbose = false;
 
 
-    private Object writeReplace() throws IOException {
+    private Object writeReplace() {
         numWriteReplace++;
         if (verbose) {
             System.out.println("TypeSafeEnum.writeReplace() " +
@@ -56,7 +58,7 @@
         return this;
     }
 
-    private Object readResolve() throws IOException {
+    private Object readResolve() {
         numReadResolve++;
         if (verbose) {
             System.out.println("readResolve called on " + this.toString());
--- a/test/jdk/java/io/Serializable/typeStringBackRef/TypeStringBackRef.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/typeStringBackRef/TypeStringBackRef.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,7 @@
 import java.io.*;
 
 public class TypeStringBackRef implements Serializable {
+    private static final long serialVersionUID = 1L;
 
     String a, b, c, d, e, f, g;
 
--- a/test/jdk/java/io/Serializable/underlyingOutputStreamException/UnderlyingOutputStreamException.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/underlyingOutputStreamException/UnderlyingOutputStreamException.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,7 @@
 import java.io.*;
 
 class OriginalIOException extends IOException {
+    private static final long serialVersionUID = 1L;
 }
 
 class BrokenOutputStream extends OutputStream {
--- a/test/jdk/java/io/Serializable/unnamedPackageSwitch/UnnamedPackageSwitchTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/unnamedPackageSwitch/UnnamedPackageSwitchTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -46,7 +46,7 @@
 
 class TestObjectInputStream extends ObjectInputStream {
     TestObjectInputStream(InputStream in) throws IOException { super(in); }
-    protected Class resolveClass(ObjectStreamClass desc)
+    protected Class<?> resolveClass(ObjectStreamClass desc)
         throws IOException, ClassNotFoundException
     {
         String name = desc.getName();
--- a/test/jdk/java/io/Serializable/unresolvableObjectStreamClass/UnresolvableObjectStreamClass.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/unresolvableObjectStreamClass/UnresolvableObjectStreamClass.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -65,4 +65,5 @@
 }
 
 class MySerializable implements Serializable {
+    private static final long serialVersionUID = 1L;
 }
--- a/test/jdk/java/io/Serializable/unresolvedClassDesc/Foo.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/unresolvedClassDesc/Foo.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -29,4 +29,5 @@
  */
 
 public class Foo implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
 }
--- a/test/jdk/java/io/Serializable/unshared/Write.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/unshared/Write.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,6 +37,8 @@
 import java.io.*;
 
 class Foo implements Serializable {
+    private static final long serialVersionUID = 1L;
+
     private static final ObjectStreamField[] serialPersistentFields =
         new ObjectStreamField[] {
             new ObjectStreamField("shared1", String.class),
@@ -54,6 +56,7 @@
 
 class Bar implements Serializable {
     private static final long serialVersionUID = 0L;
+    @SuppressWarnings("serial") /* Incorrect use is being tested */
     Object obj;
 
     Bar(Object obj) {
--- a/test/jdk/java/io/Serializable/userRWObjError/UserRWObjError.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/userRWObjError/UserRWObjError.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -39,6 +39,7 @@
  */
 
 public class UserRWObjError implements java.io.Serializable {
+    private static final long serialVersionUID = 1L;
 
     public static void main(String[] args) throws Exception {
         try {
--- a/test/jdk/java/io/Serializable/validate/Validate.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/validate/Validate.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -73,6 +73,8 @@
 }
 
 class Class1 implements Serializable, ObjectInputValidation {
+    private static final long serialVersionUID = 1L;
+
     int a, b;
     transient int validates;
 
--- a/test/jdk/java/io/Serializable/verifyDynamicObjHandleTable/VerifyDynamicObjHandleTable.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/verifyDynamicObjHandleTable/VerifyDynamicObjHandleTable.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -31,7 +31,9 @@
 import java.util.Iterator;
 
 class A implements Serializable {
-    static HashSet writeObjectExtent = new HashSet();
+    private static final long serialVersionUID = 1L;
+
+    static HashSet<A> writeObjectExtent = new HashSet<>();
 
     private void writeObject(ObjectOutputStream out) throws IOException {
         if (writeObjectExtent.contains(this)) {
@@ -63,7 +65,7 @@
         // allow writeObject to be called on any objects that
         // have already been serialized. These objects should be
         // written out by reference.
-        Iterator iter = A.writeObjectExtent.iterator();
+        Iterator<A> iter = A.writeObjectExtent.iterator();
         while (iter.hasNext()) {
             out.writeObject(iter.next());
         }
--- a/test/jdk/java/io/Serializable/writeObjectMemory/WriteObjectMemory.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/writeObjectMemory/WriteObjectMemory.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,7 +33,9 @@
 import java.util.Iterator;
 
 class A implements Serializable {
-    static HashSet writeObjectExtent = new HashSet();
+    private static final long serialVersionUID = 1L;
+
+    static HashSet<A>writeObjectExtent = new HashSet<>();
 
     private void writeObject(ObjectOutputStream out) throws IOException {
         if (writeObjectExtent.contains(this)) {
@@ -53,7 +55,7 @@
 
 public class WriteObjectMemory {
     public static void main(String args[])
-        throws IOException, ClassNotFoundException
+        throws IOException
     {
         ObjectOutputStream out =
             new ObjectOutputStream(new ByteArrayOutputStream(3000));
@@ -65,7 +67,7 @@
         // allow writeObject to be called on any objects that
         // have already been serialized. These objects should be
         // written out by reference.
-        Iterator iter = A.writeObjectExtent.iterator();
+        Iterator<A> iter = A.writeObjectExtent.iterator();
         while (iter.hasNext()) {
             out.writeObject(iter.next());
         }
--- a/test/jdk/java/io/Serializable/writeReplace/WriteReplace.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/writeReplace/WriteReplace.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,9 @@
 public class WriteReplace {
 
     static class ReplaceMe implements Serializable {
+        private static final long serialVersionUID = 1L;
+
+        @SuppressWarnings("serial") /* Incorrect use is being tested */
         private Object obj;
         private boolean writeReplaceCalled = false;
 
--- a/test/jdk/java/io/Serializable/wrongReturnTypes/Read.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/wrongReturnTypes/Read.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -34,6 +34,7 @@
 
     static boolean readObjectNoDataCalled;
 
+    @SuppressWarnings("serial") /* Incorrect use is being tested */
     private Object readObjectNoData() throws ObjectStreamException {
         readObjectNoDataCalled = true;
         return null;
@@ -46,6 +47,7 @@
     static boolean readObjectCalled;
     static boolean readResolveCalled;
 
+    @SuppressWarnings("serial") /* Incorrect use is being tested */
     private Integer readObject(ObjectInputStream in)
         throws IOException, ClassNotFoundException
     {
@@ -54,6 +56,7 @@
         return null;
     }
 
+    @SuppressWarnings("serial") /* Incorrect use is being tested */
     private B readResolve() throws ObjectStreamException {
         readResolveCalled = true;
         return this;
--- a/test/jdk/java/io/Serializable/wrongReturnTypes/Write.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/io/Serializable/wrongReturnTypes/Write.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -43,12 +43,14 @@
     static boolean writeObjectCalled;
     static boolean writeReplaceCalled;
 
+    @SuppressWarnings("serial") /* Incorrect use is being tested */
     private Object writeObject(ObjectOutputStream out) throws IOException {
         writeObjectCalled = true;
         out.defaultWriteObject();
         return null;
     }
 
+    @SuppressWarnings("serial") /* Incorrect use is being tested */
     private B writeReplace() throws ObjectStreamException {
         writeReplaceCalled = true;
         return this;
--- a/test/jdk/java/lang/ProcessBuilder/Basic.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/lang/ProcessBuilder/Basic.java	Wed Oct 16 15:31:05 2019 +0200
@@ -2111,6 +2111,19 @@
                                 case 2: r = s.read(bytes); break;
                                 default: throw new Error();
                             }
+                            if (r >= 0) {
+                                // The child sent unexpected output; print it to diagnose
+                                System.out.println("Unexpected child output:");
+                                if ((action & 0x2) == 0) {
+                                    System.out.write(r);    // Single character
+
+                                } else {
+                                    System.out.write(bytes, 0, r);
+                                }
+                                for (int c = s.read(); c >= 0; c = s.read())
+                                    System.out.write(c);
+                                System.out.println("\nEND Child output.");
+                            }
                             equal(-1, r);
                         } catch (IOException ioe) {
                             if (!ioe.getMessage().equals("Stream closed")) {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/Runtime/loadLibrary/LoadLibraryTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2018, Amazon and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, Azul Systems, Inc. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8231584
+ * @library /test/lib
+ * @run main/othervm LoadLibraryTest
+ */
+
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.nio.file.Path;
+import java.net.MalformedURLException;
+import java.net.URLClassLoader;
+import java.net.URL;
+
+import jdk.test.lib.compiler.CompilerUtils;
+
+public class LoadLibraryTest {
+    static Thread thread1 = null;
+    static Thread thread2 = null;
+
+    static volatile boolean thread1Ready = false;
+
+    private static final String TEST_SRC = System.getProperty("test.src");
+    private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
+    private static final Path CLS_DIR = Paths.get("classes");
+
+    static TestClassLoader loader;
+    static void someLibLoad() {
+        try {
+/*
+            FileSystems.getDefault();
+
+            // jdk/jdk: loads directly from Bootstrap Classloader (doesn't take lock on Runtime)
+            java.net.NetworkInterface.getNetworkInterfaces();
+
+            System.out.println(jdk.net.ExtendedSocketOptions.SO_FLOW_SLA);
+*/
+            Class c = Class.forName("Target2", true, loader);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    static class TestClassLoader extends URLClassLoader {
+        boolean passed = false;
+
+        public boolean passed() {
+            return passed;
+        }
+
+        TestClassLoader() throws MalformedURLException {
+            super(new URL[] { new URL("file://" + CLS_DIR.toAbsolutePath().toString() + '/') });
+        }
+
+        public String findLibrary(String name) {
+            System.out.println("findLibrary " + name);
+
+            if ("someLibrary".equals(name)) {
+                try {
+                    synchronized(thread1) {
+                        while(!thread1Ready) {
+                            thread1.wait();
+                        }
+                        thread1.notifyAll();
+                    }
+
+                    Thread.sleep(10000);
+
+                    System.out.println("Thread2 load");
+                    someLibLoad();
+
+                    // no deadlock happened
+                    passed = true;
+                } catch (Exception e) {
+                    throw new RuntimeException(e);
+                }
+                return null;
+            }
+
+            return super.findLibrary(name);
+        }
+    }
+
+
+    public static void main(String[] args) throws Exception {
+        loader = new TestClassLoader();
+
+        if (!CompilerUtils.compile(SRC_DIR, CLS_DIR)) {
+            throw new Exception("Can't compile");
+        }
+
+        thread1 = new Thread() {
+            public void run() {
+                try {
+                    synchronized(this) {
+                        thread1Ready = true;
+                        thread1.notifyAll();
+                        thread1.wait();
+                    }
+                } catch(InterruptedException e) {
+                    throw new RuntimeException(e);
+                }
+
+                System.out.println("Thread1 load");
+                someLibLoad();
+            };
+        };
+
+        thread2 = new Thread() {
+            public void run() {
+                try {
+                    Class c = Class.forName("Target", true, loader);
+                    System.out.println(c);
+                } catch (Exception e) {
+                    throw new RuntimeException(e);
+                }
+            };
+        };
+
+        thread1.setDaemon(true);
+        thread2.setDaemon(true);
+
+        thread1.start();
+        thread2.start();
+
+        thread1.join();
+        thread2.join();
+
+        if (!loader.passed()) {
+            throw new RuntimeException("FAIL");
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/Runtime/loadLibrary/src/Target.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2019, Azul Systems, Inc. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+class Target {
+    static {
+        try {
+            System.loadLibrary("someLibrary");
+            throw new RuntimeException("someLibrary was loaded");
+        } catch (UnsatisfiedLinkError e) {
+            // expected: we do not have a someLibrary
+        }
+    }
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/Runtime/loadLibrary/src/Target2.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2019, Azul Systems, Inc. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+class Target2 {
+    static {
+        System.loadLibrary("awt");
+    }
+}
+
--- a/test/jdk/java/net/DatagramSocket/DatagramTimeout.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/net/DatagramSocket/DatagramTimeout.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,32 +23,56 @@
 
 /**
  * @test
- * @bug 4163126
- * @summary  test to see if timeout hangs
- * @run main/timeout=15 DatagramTimeout
+ * @bug 4163126 8222829
+ * @summary Test to see if timeout hangs. Also checks that
+ * negative timeout value fails as expected.
+ * @run testng DatagramTimeout
  */
 import java.net.DatagramPacket;
 import java.net.DatagramSocket;
 import java.net.SocketTimeoutException;
+import java.nio.channels.DatagramChannel;
+
+import org.testng.annotations.Test;
+
+import static org.testng.Assert.expectThrows;
+
 
 public class DatagramTimeout {
-    public static void main(String[] args) throws Exception {
-        boolean success = false;
-        DatagramSocket sock = new DatagramSocket();
+    private static final Class<IllegalArgumentException> IAE = IllegalArgumentException.class;
+    private static final Class<SocketTimeoutException> STE = SocketTimeoutException.class;
 
-        try {
-            DatagramPacket p;
+    /**
+     * Test DatagramSocket setSoTimeout with a valid timeout value.
+     */
+    @Test
+    public void testSetTimeout() throws Exception {
+        try (DatagramSocket s = new DatagramSocket()) {
             byte[] buffer = new byte[50];
-            p = new DatagramPacket(buffer, buffer.length);
-            sock.setSoTimeout(2);
-            sock.receive(p);
-        } catch (SocketTimeoutException e) {
-            success = true;
-        } finally {
-            sock.close();
+            DatagramPacket p = new DatagramPacket(buffer, buffer.length);
+            s.setSoTimeout(2);
+            expectThrows(STE, () -> s.receive(p));
         }
-        if (!success)
-            throw new RuntimeException("Socket timeout failure.");
     }
 
+    /**
+     * Test DatagramSocket setSoTimeout with a negative timeout.
+     */
+    @Test
+    public void testSetNegativeTimeout() throws Exception {
+        try (DatagramSocket s = new DatagramSocket()) {
+            expectThrows(IAE, () -> s.setSoTimeout(-1));
+        }
+    }
+
+    /**
+     * Test DatagramSocketAdaptor setSoTimeout with a negative timeout.
+     */
+    @Test
+    public void testNegativeTimeout() throws Exception {
+        try (DatagramChannel dc = DatagramChannel.open()) {
+            var s = dc.socket();
+            expectThrows(IAE, () -> s.setSoTimeout(-1));
+        }
+    }
 }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/nio/channels/DatagramChannel/AddressesAfterDisconnect.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+ * @library /test/lib
+ * @summary Test DatagramChannel local address after disconnect.
+ * @requires (os.family != "mac")
+ * @run testng/othervm AddressesAfterDisconnect
+ * @run testng/othervm -Djava.net.preferIPv6Addresses=true AddressesAfterDisconnect
+ * @run testng/othervm -Djava.net.preferIPv4Stack=true AddressesAfterDisconnect
+ */
+
+import jdk.test.lib.net.IPSupport;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.SocketAddress;
+import java.net.StandardProtocolFamily;
+import java.nio.channels.DatagramChannel;
+
+import org.testng.annotations.Test;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+import static org.testng.Assert.assertFalse;
+
+public class AddressesAfterDisconnect {
+
+    public static void main(String[] args) throws IOException {
+        new AddressesAfterDisconnect().execute();
+    }
+
+    @Test
+    public void execute() throws IOException {
+        IPSupport.throwSkippedExceptionIfNonOperational();
+        boolean preferIPv6 = Boolean.getBoolean("java.net.preferIPv6Addresses");
+
+        // test with default protocol family
+        try (DatagramChannel dc = DatagramChannel.open()) {
+            System.out.println("Test with default");
+            dc.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));
+            test(dc);
+            test(dc);
+        }
+
+        if (IPSupport.hasIPv6()) {
+            // test with IPv6 only
+            System.out.println("Test with IPv6 only");
+            try (DatagramChannel dc = DatagramChannel.open(StandardProtocolFamily.INET6)) {
+                dc.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));
+                test(dc);
+                test(dc);
+            }
+        }
+
+        if (IPSupport.hasIPv4() && !preferIPv6) {
+            // test with IPv4 only
+            System.out.println("Test with IPv4 only");
+            try (DatagramChannel dc = DatagramChannel.open(StandardProtocolFamily.INET)) {
+                dc.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));
+                test(dc);
+                test(dc);
+            }
+        }
+    }
+
+    /**
+     * Connect DatagramChannel to a server, write a datagram and disconnect. Invoke
+     * a second or subsequent time with the same DatagramChannel instance to check
+     * that disconnect works as expected.
+     */
+    static void test(DatagramChannel dc) throws IOException {
+        SocketAddress local = dc.getLocalAddress();
+        try (DatagramChannel server = DatagramChannel.open()) {
+            server.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));
+            SocketAddress remote = server.getLocalAddress();
+            dc.connect(remote);
+            assertTrue(dc.isConnected());
+            // comment the following two lines on OS X to see JDK-8231259
+            assertEquals(dc.getLocalAddress(), local, "local address after connect");
+            assertEquals(dc.getRemoteAddress(), remote, "remote address after connect");
+            dc.disconnect();
+            assertFalse(dc.isConnected());
+            assertEquals(dc.getLocalAddress(), local, "local address after disconnect");
+            assertEquals(dc.getRemoteAddress(), null, "remote address after disconnect");
+        }
+    }
+
+}
--- a/test/jdk/java/rmi/testlibrary/TestSocketFactory.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/rmi/testlibrary/TestSocketFactory.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -92,7 +92,8 @@
 
     static final byte[] EMPTY_BYTE_ARRAY = new byte[0];
 
-    public static final boolean DEBUG = false;
+    // True to enable logging of matches and replacements.
+    private static volatile boolean debugLogging = false;
 
     /**
      * Debugging output can be synchronized with logging of RMI actions.
@@ -100,8 +101,8 @@
      * @param format a printf format
      * @param args   any args
      */
-    private static void DEBUG(String format, Object... args) {
-        if (DEBUG) {
+    public static void DEBUG(String format, Object... args) {
+        if (debugLogging) {
             System.err.printf(format, args);
         }
     }
@@ -117,6 +118,17 @@
     }
 
     /**
+     * Set debug to true to generate logging output of matches and substitutions.
+     * @param debug {@code true} to generate logging output
+     * @return the previous value
+     */
+    public static boolean setDebug(boolean debug) {
+        boolean oldDebug = debugLogging;
+        debugLogging = debug;
+        return oldDebug;
+    }
+
+    /**
      * Set the match and replacement bytes, with an empty trigger.
      * The match and replacements are propagated to all existing sockets.
      *
--- a/test/jdk/java/security/testlibrary/Proc.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/security/testlibrary/Proc.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,9 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.PrintStream;
+import java.io.UncheckedIOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -110,6 +113,7 @@
     private List<String> args = new ArrayList<>();
     private Map<String,String> env = new HashMap<>();
     private Map<String,String> prop = new HashMap();
+    private Map<String,String> secprop = new HashMap();
     private boolean inheritIO = false;
     private boolean noDump = false;
 
@@ -176,6 +180,11 @@
         prop.put(a, b);
         return this;
     }
+    // Specifies a security property. Can be called multiple times.
+    public Proc secprop(String a, String b) {
+        secprop.put(a, b);
+        return this;
+    }
     // Inherit the value of a system property
     public Proc inheritProp(String k) {
         String v = System.getProperty(k);
@@ -282,6 +291,17 @@
             cmd.add(cp.stream().collect(Collectors.joining(File.pathSeparator)));
         }
 
+        if (!secprop.isEmpty()) {
+            Path p = Path.of(getId("security"));
+            try (OutputStream fos = Files.newOutputStream(p);
+                 PrintStream ps = new PrintStream(fos)) {
+                secprop.forEach((k,v) -> ps.println(k + "=" + v));
+            } catch (IOException e) {
+                throw new UncheckedIOException(e);
+            }
+            prop.put("java.security.properties", p.toString());
+        }
+
         for (Entry<String,String> e: prop.entrySet()) {
             cmd.add("-D" + e.getKey() + "=" + e.getValue());
         }
@@ -380,6 +400,12 @@
         }
         return p.waitFor();
     }
+    // Wait for process end with expected exit code
+    public void waitFor(int expected) throws Exception {
+        if (p.waitFor() != expected) {
+            throw new RuntimeException("Exit code not " + expected);
+        }
+    }
 
     // The following methods are used inside a proc
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/text/Format/DateFormat/SimpleDateFormatPatternTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,229 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 4326988 6990146 8231213
+ * @summary test SimpleDateFormat, check its pattern in the constructor
+ * @run testng/othervm SimpleDateFormatPatternTest
+ */
+import java.lang.IllegalArgumentException;
+import java.text.DateFormat;
+import java.text.DateFormatSymbols;
+import java.text.SimpleDateFormat;
+import java.util.Locale;
+
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+public class SimpleDateFormatPatternTest {
+    private static String[] validPat = {
+            "yyyy-MM-dd h.mm.ss.a z",
+            "yyyy'M'd' ahh'mm'ss' z",
+            "dd MMMM yyyy hh:mm:ss",
+            "d MMM yy HH:mm:ss",
+            "dd/MM/yyyy HH:mm:ss",
+            "d' / 'MMMM' / 'yyyy HH:mm:ss z",
+            "d.M.yyyy H:mm:ss",
+            "d' de 'MMMM' de 'yyyy H'h'm'min's's' z",
+            "dd. MMMM yyyy HH:mm:ss z",
+            "d-M-yyyy H:mm:ss",
+            "EEEE''d MMMM G yyyy, H'  'm'  'ss' '",
+            "dd.MMM.yyyy HH:mm:ss",
+            "yy-MM-dd h:mm:ss.a",
+            "d' de 'MMMM' de 'yyyy hh:mm:ss a z",
+            "EEEE d MMMM yyyy H' h 'mm' min 'ss' s 'z",
+            "d MMMM yyyy H:mm:ss",
+            "d/MM/yyyy hh:mm:ss a",
+            "EEEE, d, MMMM yyyy HH:mm:ss z",
+            "EEEE, d. MMMM yyyy HH.mm.' h' z",
+            "EEEE, d' / 'MMMM' / 'yyyy HH:mm:ss z",
+            "d/MM/yyyy HH:mm:ss",
+            "d MMMM yyyy H:mm:ss z",
+            "MMMM d, yyyy h:mm:ss a z",
+            "yyyy. MMMM d. H:mm:ss z",
+            "d' de 'MMMM' de 'yyyy H:mm:ss z",
+            "EEEE, MMMM d, yyyy h:mm:ss a z",
+            "d/M/yyyy H:mm:ss",
+            "d-MMM-yy HH:mm:ss",
+            "EEEE d' de 'MMMM' de 'yyyy hh:mm:ss a z",
+            "yyyy'M'd' ahh'mm'ss'",
+            "yyyy'MM'dd' EEEE ahh'mm'ss'",
+            "EEEE, d MMMM yyyy HH:mm:ss z",
+
+            //6990146: 'Y' for year; 'X' for time zone; 'u' for day number of the week
+            "d/M/YYYY H:mm:ss",
+            "d-MMM-YY HH:mm:ss",
+            "EEEE d' de 'MMMM' de 'YYYY hh:mm:ss a X",
+            "YYYY M d ahh:mm:ss",
+            "YYYY MM dd EEEE u ahh/mm/ss",
+            "EEEE, u, d MMMM YYYY HH:mm:ss X",
+            "YYYY M d Z ahh mm ss",
+            "YYYY-MM-dd EEEE u ahh-mm-ss",
+
+            //*added for sr-Latn*
+            "EEEE, dd. MMMM y. HH.mm.ss zzzz",
+            "dd. MMMM y. HH.mm.ss z",
+            "dd.MM.y. HH.mm.ss",
+            "d.M.yy. HH.mm"
+    };
+
+    private static String[] invalidPat = {
+            "yyyy'M'd' ahh:mm:ss",
+            "EEEe d MM MM yyyy HH' h 'mm zzzZ",
+            "d MMMM\\ yyyy, H'  'm' 'g",
+            "EEEE d' @# MMMMde 'yyys HHH'mm z",
+            "yyyy'MMe 2 #dd' EEEEahh'mm'ss' z,z",
+            "yyyy.M.d H;mm.ses",
+            "EEEe, d MMMM yyyy h:mm:ss a z",
+            "EEEE, MMMM d, 'y y y y h:mm:ss 'o''clock' a z",
+            "dd MMMM yyyy 0HHcl:mm:ss z",
+            "d.M_M_y.yy1yy HextH:mm|45:",
+            "d,D MMMTTTTTTTTTKM yy|+yy HH:m m:ss z",
+            "d-MDtM M-yy H:mm:ss",
+            "yyyy/M///m/nM/d Dd H:m$m:s s",
+            "EEEE, dd. MMMM yyyy HH:m'''m' Uhr 'z",
+            //6990146
+            "EEEE d' de 'MMMM' de 'YYYY hh:mm:ss a x",
+            "EEEE, U, d MMMM YYYY HH:mm:ss Z"
+    };
+
+    private static Locale[] locales = DateFormat.getAvailableLocales();
+    private static Object[][] dfAllLocalesObj = createAllLocales();
+    private static Object[][] invalidPatObj = createPatternObj(invalidPat);
+    private static Object[][] validPatObj = createPatternObj(validPat);
+
+    private static Object[][] createAllLocales() {
+        Object[][] objArray = new Object[locales.length][];
+        for (int i = 0; i < locales.length; i++) {
+            objArray[i] = new Object[1];
+            objArray[i][0] = locales[i];
+        }
+        return objArray;
+    }
+
+    private static Object[][] createPatternObj(String[] pattern){
+        Object[][] objArray = new Object[locales.length * pattern.length][];
+        int k = 0;
+        for (int i = 0; i < locales.length; i++) {
+            for (int j = 0; j < pattern.length; j++) {
+                objArray[k] = new Object[2];
+                objArray[k][0] = pattern[j];
+                objArray[k][1] = locales[i];
+                k = k + 1;
+            }
+        }
+        return objArray;
+    }
+
+    @DataProvider(name = "dfAllLocalesObj")
+    Object[][] dfAllLocalesObj() {
+        return dfAllLocalesObj;
+    }
+
+    @DataProvider(name = "invalidPatternObj")
+    Object[][] invalidPatternObj() {
+        return invalidPatObj;
+    }
+
+    @DataProvider(name = "validPatternObj")
+    Object[][] validPatternObj() {
+        return validPatObj;
+    }
+
+    //check Constructors for invalid pattern
+    @Test(dataProvider = "invalidPatternObj",
+            expectedExceptions = IllegalArgumentException.class)
+    public void testIllegalArgumentException1(String pattern, Locale loc)
+            throws IllegalArgumentException {
+        Locale.setDefault(loc);
+        new SimpleDateFormat(pattern);
+    }
+
+    @Test(dataProvider = "invalidPatternObj",
+            expectedExceptions = IllegalArgumentException.class)
+    public void testIllegalArgumentException2(String pattern, Locale loc)
+            throws IllegalArgumentException {
+        Locale.setDefault(loc);
+        new SimpleDateFormat(pattern, new DateFormatSymbols());
+    }
+
+    @Test(dataProvider = "invalidPatternObj",
+            expectedExceptions = IllegalArgumentException.class)
+    public void testIllegalArgumentException3 (String pattern, Locale loc)
+            throws IllegalArgumentException {
+        Locale.setDefault(loc);
+        new SimpleDateFormat(pattern, Locale.getDefault());
+    }
+
+    @Test(dataProvider = "invalidPatternObj",
+            expectedExceptions = IllegalArgumentException.class)
+    public void testIllegalArgumentException4(String pattern, Locale loc)
+            throws IllegalArgumentException {
+        Locale.setDefault(loc);
+        new SimpleDateFormat().applyPattern(pattern);
+    }
+
+    //check Constructors for null pattern
+    @Test(dataProvider = "dfAllLocalesObj",
+            expectedExceptions = NullPointerException.class)
+    public void testNullPointerException1(Locale loc)
+            throws NullPointerException {
+        Locale.setDefault(loc);
+        new SimpleDateFormat(null);
+    }
+
+    @Test(dataProvider = "dfAllLocalesObj",
+            expectedExceptions = NullPointerException.class)
+    public void testNullPointerException2(Locale loc)
+            throws NullPointerException {
+        Locale.setDefault(loc);
+        new SimpleDateFormat(null, new DateFormatSymbols());
+    }
+
+    @Test(dataProvider = "dfAllLocalesObj",
+            expectedExceptions = NullPointerException.class)
+    public void testNullPointerException3(Locale loc)
+            throws NullPointerException {
+        Locale.setDefault(loc);
+        new SimpleDateFormat(null, Locale.getDefault());
+    }
+
+    @Test(dataProvider = "dfAllLocalesObj",
+            expectedExceptions = NullPointerException.class)
+    public void testNullPointerException4(Locale loc)
+            throws NullPointerException {
+        Locale.setDefault(loc);
+        new SimpleDateFormat().applyPattern(null);
+    }
+
+    @Test(dataProvider = "validPatternObj")
+    //check Constructors for valid pattern
+    public void testValidPattern(String pattern, Locale loc) {
+        Locale.setDefault(loc);
+        new SimpleDateFormat(pattern);
+        new SimpleDateFormat(pattern, new DateFormatSymbols());
+        new SimpleDateFormat(pattern, Locale.getDefault());
+        new SimpleDateFormat().applyPattern(pattern);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/text/Format/DecimalFormat/SetGroupingSizeTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8212749
+ * @summary test whether input value check for
+ *          DecimalFormat.setGroupingSize(int) works correctly.
+ * @run testng/othervm SetGroupingSizeTest
+ */
+
+import java.text.DecimalFormat;
+
+import static org.testng.Assert.assertEquals;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+
+@Test
+public class SetGroupingSizeTest {
+
+    @DataProvider
+    public static Object[][] validGroupingSizes() {
+        return new Object[][] {
+            { 0 },
+            { Byte.MAX_VALUE },
+        };
+    }
+
+    @DataProvider
+    public static Object[][] invalidGroupingSizes() {
+        return new Object[][] {
+            { Byte.MIN_VALUE - 1 },
+            { Byte.MIN_VALUE },
+            { -1 },
+            { Byte.MAX_VALUE + 1 },
+            { Integer.MIN_VALUE },
+            { Integer.MAX_VALUE },
+        };
+    }
+
+    @Test(dataProvider = "validGroupingSizes")
+    public void test_validGroupingSize(int newVal) {
+        DecimalFormat df = new DecimalFormat();
+        df.setGroupingSize(newVal);
+        assertEquals(df.getGroupingSize(), newVal);
+    }
+
+    @Test(dataProvider = "invalidGroupingSizes",
+        expectedExceptions = IllegalArgumentException.class)
+    public void test_invalidGroupingSize(int newVal) {
+        DecimalFormat df = new DecimalFormat();
+        df.setGroupingSize(newVal);
+    }
+}
--- a/test/jdk/java/util/Locale/Bug8040211.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/util/Locale/Bug8040211.java	Wed Oct 16 15:31:05 2019 +0200
@@ -23,9 +23,9 @@
 
 /*
  * @test
- * @bug 8040211 8191404 8203872 8222980
+ * @bug 8040211 8191404 8203872 8222980 8225435
  * @summary Checks the IANA language subtag registry data update
- *          (LSR Revision: 2019-04-03) with Locale and Locale.LanguageRange
+ *          (LSR Revision: 2019-09-16) with Locale and Locale.LanguageRange
  *          class methods.
  * @run main Bug8040211
  */
@@ -42,6 +42,84 @@
 
     static boolean err = false;
 
+    private static final String ACCEPT_LANGUAGE =
+        "Accept-Language: aam, adp, aog, aue, bcg, cey, cqu, dif, ema,"
+        + " en-gb-oed, gti, kdz, koj, kwq, kxe, lii, lmm, lsn, lsv, lvi, mtm,"
+        + " ngv, nns, oyb, phr, pnd, pub, snz, suj, szy,taj, tjj, tjp, tvx,"
+        + " uss, uth, wkr;q=0.9, ar-hyw;q=0.8, yug;q=0.5, gfx;q=0.4";
+    private static final List<LanguageRange> EXPECTED_RANGE_LIST = List.of(
+            new LanguageRange("aam", 1.0),
+            new LanguageRange("aas", 1.0),
+            new LanguageRange("adp", 1.0),
+            new LanguageRange("dz", 1.0),
+            new LanguageRange("aog", 1.0),
+            new LanguageRange("myd", 1.0),
+            new LanguageRange("aue", 1.0),
+            new LanguageRange("ktz", 1.0),
+            new LanguageRange("bcg", 1.0),
+            new LanguageRange("bgm", 1.0),
+            new LanguageRange("cey", 1.0),
+            new LanguageRange("cqu", 1.0),
+            new LanguageRange("quh", 1.0),
+            new LanguageRange("dif", 1.0),
+            new LanguageRange("dit", 1.0),
+            new LanguageRange("ema", 1.0),
+            new LanguageRange("uok", 1.0),
+            new LanguageRange("en-gb-oed", 1.0),
+            new LanguageRange("en-gb-oxendict", 1.0),
+            new LanguageRange("gti", 1.0),
+            new LanguageRange("nyc", 1.0),
+            new LanguageRange("kdz", 1.0),
+            new LanguageRange("ncp", 1.0),
+            new LanguageRange("koj", 1.0),
+            new LanguageRange("kwv", 1.0),
+            new LanguageRange("kwq", 1.0),
+            new LanguageRange("yam", 1.0),
+            new LanguageRange("kxe", 1.0),
+            new LanguageRange("tvd", 1.0),
+            new LanguageRange("lii", 1.0),
+            new LanguageRange("raq", 1.0),
+            new LanguageRange("lmm", 1.0),
+            new LanguageRange("rmx", 1.0),
+            new LanguageRange("lsn", 1.0),
+            new LanguageRange("lsv", 1.0),
+            new LanguageRange("lvi", 1.0),
+            new LanguageRange("mtm", 1.0),
+            new LanguageRange("ymt", 1.0),
+            new LanguageRange("ngv", 1.0),
+            new LanguageRange("nnx", 1.0),
+            new LanguageRange("nns", 1.0),
+            new LanguageRange("nbr", 1.0),
+            new LanguageRange("oyb", 1.0),
+            new LanguageRange("thx", 1.0),
+            new LanguageRange("skk", 1.0),
+            new LanguageRange("jeg", 1.0),
+            new LanguageRange("phr", 1.0),
+            new LanguageRange("pmu", 1.0),
+            new LanguageRange("pnd", 1.0),
+            new LanguageRange("pub", 1.0),
+            new LanguageRange("puz", 1.0),
+            new LanguageRange("snz", 1.0),
+            new LanguageRange("asd", 1.0),
+            new LanguageRange("suj", 1.0),
+            new LanguageRange("szy", 1.0),
+            new LanguageRange("taj", 1.0),
+            new LanguageRange("tsf", 1.0),
+            new LanguageRange("tjj", 1.0),
+            new LanguageRange("tjp", 1.0),
+            new LanguageRange("tvx", 1.0),
+            new LanguageRange("uss", 1.0),
+            new LanguageRange("uth", 1.0),
+            new LanguageRange("wkr", 0.9),
+            new LanguageRange("ar-hyw", 0.8),
+            new LanguageRange("yug", 0.5),
+            new LanguageRange("yuu", 0.5),
+            new LanguageRange("gfx", 0.4),
+            new LanguageRange("oun", 0.4),
+            new LanguageRange("mwj", 0.4),
+            new LanguageRange("vaj", 0.4)
+        );
+
     public static void main(String[] args) {
         testLanguageRange();
         testLocale();
@@ -66,70 +144,15 @@
 
     private static void test_parse() {
         boolean error = false;
-        String str = "Accept-Language: aam, adp, aue, bcg, cqu, ema,"
-                + " en-gb-oed, gti, kdz, koj, kwq, kxe, lii, lmm, mtm, ngv,"
-                + " oyb, phr, pub, suj, taj;q=0.9, ar-hyw;q=0.8, yug;q=0.5, gfx;q=0.4";
-        ArrayList<LanguageRange> expected = new ArrayList<>();
-        expected.add(new LanguageRange("aam", 1.0));
-        expected.add(new LanguageRange("aas", 1.0));
-        expected.add(new LanguageRange("adp", 1.0));
-        expected.add(new LanguageRange("dz", 1.0));
-        expected.add(new LanguageRange("aue", 1.0));
-        expected.add(new LanguageRange("ktz", 1.0));
-        expected.add(new LanguageRange("bcg", 1.0));
-        expected.add(new LanguageRange("bgm", 1.0));
-        expected.add(new LanguageRange("cqu", 1.0));
-        expected.add(new LanguageRange("quh", 1.0));
-        expected.add(new LanguageRange("ema", 1.0));
-        expected.add(new LanguageRange("uok", 1.0));
-        expected.add(new LanguageRange("en-gb-oed", 1.0));
-        expected.add(new LanguageRange("en-gb-oxendict", 1.0));
-        expected.add(new LanguageRange("gti", 1.0));
-        expected.add(new LanguageRange("nyc", 1.0));
-        expected.add(new LanguageRange("kdz", 1.0));
-        expected.add(new LanguageRange("ncp", 1.0));
-        expected.add(new LanguageRange("koj", 1.0));
-        expected.add(new LanguageRange("kwv", 1.0));
-        expected.add(new LanguageRange("kwq", 1.0));
-        expected.add(new LanguageRange("yam", 1.0));
-        expected.add(new LanguageRange("kxe", 1.0));
-        expected.add(new LanguageRange("tvd", 1.0));
-        expected.add(new LanguageRange("lii", 1.0));
-        expected.add(new LanguageRange("raq", 1.0));
-        expected.add(new LanguageRange("lmm", 1.0));
-        expected.add(new LanguageRange("rmx", 1.0));
-        expected.add(new LanguageRange("mtm", 1.0));
-        expected.add(new LanguageRange("ymt", 1.0));
-        expected.add(new LanguageRange("ngv", 1.0));
-        expected.add(new LanguageRange("nnx", 1.0));
-        expected.add(new LanguageRange("oyb", 1.0));
-        expected.add(new LanguageRange("thx", 1.0));
-        expected.add(new LanguageRange("skk", 1.0));
-        expected.add(new LanguageRange("jeg", 1.0));
-        expected.add(new LanguageRange("phr", 1.0));
-        expected.add(new LanguageRange("pmu", 1.0));
-        expected.add(new LanguageRange("pub", 1.0));
-        expected.add(new LanguageRange("puz", 1.0));
-        expected.add(new LanguageRange("suj", 1.0));
-        expected.add(new LanguageRange("xsj", 1.0));
-        expected.add(new LanguageRange("taj", 0.9));
-        expected.add(new LanguageRange("tsf", 0.9));
-        expected.add(new LanguageRange("ar-hyw", 0.8));
-        expected.add(new LanguageRange("yug", 0.5));
-        expected.add(new LanguageRange("yuu", 0.5));
-        expected.add(new LanguageRange("gfx", 0.4));
-        expected.add(new LanguageRange("oun", 0.4));
-        expected.add(new LanguageRange("mwj", 0.4));
-        expected.add(new LanguageRange("vaj", 0.4));
-        List<LanguageRange> got = LanguageRange.parse(str);
-        if (!areEqual(expected, got)) {
+        List<LanguageRange> got = LanguageRange.parse(ACCEPT_LANGUAGE);
+        if (!areEqual(EXPECTED_RANGE_LIST, got)) {
             error = true;
             System.err.println("    language parse() test failed.");
         }
 
         if (error) {
             err = true;
-            System.err.println("  test_parse() failed.");
+            System.out.println("  test_parse() failed.");
         } else {
             System.out.println("  test_parse() passed.");
         }
@@ -152,7 +175,7 @@
                         + ", weight=" + lr.getWeight());
             }
 
-            System.out.println("  Actual size=" + actualSize);
+            System.err.println("  Actual size=" + actualSize);
             for (LanguageRange lr : got) {
                 System.err.println("    range=" + lr.getRange()
                         + ", weight=" + lr.getWeight());
@@ -351,11 +374,11 @@
             String tags,
             String expectedTags,
             String actualTags) {
-        System.out.println("\nIncorrect " + methodName + " result.");
-        System.out.println("  Priority list  :  " + priorityList);
-        System.out.println("  Language tags  :  " + tags);
-        System.out.println("  Expected value : " + expectedTags);
-        System.out.println("  Actual value   : " + actualTags);
+        System.err.println("\nIncorrect " + methodName + " result.");
+        System.err.println("  Priority list  :  " + priorityList);
+        System.err.println("  Language tags  :  " + tags);
+        System.err.println("  Expected value : " + expectedTags);
+        System.err.println("  Actual value   : " + actualTags);
     }
 
 }
--- a/test/jdk/java/util/zip/FlaterTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/java/util/zip/FlaterTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,10 +23,11 @@
 
 /**
  * @test
- * @bug 6348045 6341887
+ * @bug 6348045 6341887 8231770
  * @summary GZipOutputStream/InputStream goes critical(calls JNI_Get*Critical)
- * and causes slowness.  This test uses Deflater and Inflater directly.
+ * and causes slowness. This test uses Deflater and Inflater directly.
  * @key randomness
+ * @run main/othervm -Xcheck:jni FlaterTest
  */
 
 import java.nio.*;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/javax/management/mxbean/ThreadStartTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8231666
+ * @summary Test checks that new threads could be successfully started when the thread
+ * table introduced in 8185005 is growing. The test enables the thread table by calling
+ * ThreadMXBean.getThreadInfo() and then creates a number of threads to force the thread
+ * table to grow.
+ *
+ * @run main ThreadStartTest
+ */
+
+import java.lang.management.ManagementFactory;
+import java.lang.management.ThreadMXBean;
+
+public class ThreadStartTest {
+    public static void main(String[] args) {
+
+        ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
+        // Enable thread table
+        mbean.getThreadInfo(Thread.currentThread().getId());
+
+        // Create a large number of threads to make the thread table grow
+        for (int i = 0; i < 1000; i++) {
+            Thread t = new Thread(() -> {
+                try {
+                    Thread.sleep(1000);
+                } catch (InterruptedException ex) {
+                }
+            });
+            t.start();
+        }
+    }
+}
--- a/test/jdk/jdk/jfr/event/io/EvilInstrument.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/jdk/jfr/event/io/EvilInstrument.java	Wed Oct 16 15:31:05 2019 +0200
@@ -52,6 +52,7 @@
  * @library /test/lib /test/jdk
  * @modules java.instrument
  *
+ * @build jdk.jfr.event.io.EvilInstrument
  * @run shell MakeJAR.sh EvilInstrument 'Can-Redefine-Classes: true'
  * @run main/othervm -javaagent:EvilInstrument.jar jdk.jfr.event.io.EvilInstrument
  */
--- a/test/jdk/jdk/jfr/jmx/TestRecordingOptions.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/jdk/jfr/jmx/TestRecordingOptions.java	Wed Oct 16 15:31:05 2019 +0200
@@ -25,6 +25,7 @@
 
 package jdk.jfr.jmx;
 
+import java.io.File;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.Map;
@@ -49,7 +50,7 @@
         options.put("dumpOnExit", "false");
         options.put("disk", "false");
         options.put("duration", "1 h"); // don't want recording to stop
-
+        options.put("destination", "." + File.separator + "dump.jfr");
         FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();
         long recId = bean.newRecording();
         Map<String, String> defaults = bean.getRecordingOptions(recId);
@@ -72,6 +73,7 @@
         Asserts.assertEquals(outOptions.get("dumpOnExit"), "false", "Wrong dumpOnExit");
         Asserts.assertEquals(outOptions.get("disk"), "false", "Wrong disk");
         Asserts.assertEquals(outOptions.get("duration"), "1 h", "Wrong duration");
+        Asserts.assertEquals(outOptions.get("destination"), "." + File.separator + "dump.jfr", "Wrong destination");
 
         // try empty map
         bean.setRecordingOptions(recId, new HashMap<>());
@@ -116,6 +118,7 @@
         nullMap.put("dumpOnExit", null);
         nullMap.put("disk", null);
         nullMap.put("duration", null);
+        nullMap.put("destination", null);
         bean.setRecordingOptions(recId, nullMap);
         Asserts.assertEquals(bean.getRecordingOptions(recId), defaults);
 
--- a/test/jdk/security/infra/java/security/cert/CertPathValidator/certification/ComodoCA.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/security/infra/java/security/cert/CertPathValidator/certification/ComodoCA.java	Wed Oct 16 15:31:05 2019 +0200
@@ -23,7 +23,7 @@
 
  /*
  * @test
- * @bug 8189131
+ * @bug 8189131 8231887
  * @summary Interoperability tests with Comodo RSA, ECC, userTrust RSA, and
  *          userTrust ECC CAs
  * @build ValidatePathWithParams
@@ -112,13 +112,66 @@
 
     // Owner: CN=comodorsacertificationauthority-ev.comodoca.com, OU=COMODO EV SGC SSL, O=Sectigo Limited,
     // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
+    // OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization, OID.1.3.6.1.4.1.311.60.2.1.3=GB,
+    // SERIALNUMBER=04058690
+    // Issuer: CN=COMODO RSA Extended Validation Secure Server CA, O=COMODO CA Limited, L=Salford,
+    // ST=Greater Manchester, C=GB
+    // Serial number: a0c7cabcc25ed9358ded02cc1d485545
+    // Valid from: Sun Sep 29 17:00:00 PDT 2019 until: Tue Dec 28 15:59:59 PST 2021
+    private static final String VALID = "-----BEGIN CERTIFICATE-----\n" +
+            "MIIH0TCCBrmgAwIBAgIRAKDHyrzCXtk1je0CzB1IVUUwDQYJKoZIhvcNAQELBQAw\n" +
+            "gZIxCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO\n" +
+            "BgNVBAcTB1NhbGZvcmQxGjAYBgNVBAoTEUNPTU9ETyBDQSBMaW1pdGVkMTgwNgYD\n" +
+            "VQQDEy9DT01PRE8gUlNBIEV4dGVuZGVkIFZhbGlkYXRpb24gU2VjdXJlIFNlcnZl\n" +
+            "ciBDQTAeFw0xOTA5MzAwMDAwMDBaFw0yMTEyMjgyMzU5NTlaMIIBPjERMA8GA1UE\n" +
+            "BRMIMDQwNTg2OTAxEzARBgsrBgEEAYI3PAIBAxMCR0IxHTAbBgNVBA8TFFByaXZh\n" +
+            "dGUgT3JnYW5pemF0aW9uMQswCQYDVQQGEwJHQjEPMA0GA1UEERMGTTUgM0VRMRAw\n" +
+            "DgYDVQQHEwdTYWxmb3JkMRYwFAYDVQQJEw1UcmFmZm9yZCBSb2FkMRYwFAYDVQQJ\n" +
+            "Ew1FeGNoYW5nZSBRdWF5MSUwIwYDVQQJExwzcmQgRmxvb3IsIDI2IE9mZmljZSBW\n" +
+            "aWxsYWdlMRgwFgYDVQQKEw9TZWN0aWdvIExpbWl0ZWQxGjAYBgNVBAsTEUNPTU9E\n" +
+            "TyBFViBTR0MgU1NMMTgwNgYDVQQDEy9jb21vZG9yc2FjZXJ0aWZpY2F0aW9uYXV0\n" +
+            "aG9yaXR5LWV2LmNvbW9kb2NhLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC\n" +
+            "AQoCggEBAND/eZQBTjpBDsuteKwl+zpTitF8tJzwHAhcQHC2AaLF/GJl1rnjx4Of\n" +
+            "elMhKhN1Od9KU6onHGOd2w4mD4EiYK9TpXwuwTyzfkCmnkqxZjYK3KAJN013o4L+\n" +
+            "8y1zsGVUulpN/GfMaxTb4XdmeSekTP91Phw3xezijBq3sa++1rO5RBaT1IHeHhHv\n" +
+            "iC9WNrG8CIg/j5MyC9i43LZHiRXLER1LzT/MCIRsiG5AEbiYXV5BNd5SiiHtBJ1q\n" +
+            "0ZJH+AxL2ERaT41VCppboZwThmJGGoky9FWjp6z8U6Enx0fAMJIZNEzW6LAJFKPE\n" +
+            "ynEU004jFFCEumPUqqCC4ogxulphY80CAwEAAaOCA3EwggNtMB8GA1UdIwQYMBaA\n" +
+            "FDna/8ooFIqodBMIueQOqdL6fp1pMB0GA1UdDgQWBBQ+S4ZhIrwOoeGs9BBT4uXq\n" +
+            "89Ux/jAOBgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggr\n" +
+            "BgEFBQcDAQYIKwYBBQUHAwIwTwYDVR0gBEgwRjA7BgwrBgEEAbIxAQIBBQEwKzAp\n" +
+            "BggrBgEFBQcCARYdaHR0cHM6Ly9zZWN1cmUuY29tb2RvLmNvbS9DUFMwBwYFZ4EM\n" +
+            "AQEwVgYDVR0fBE8wTTBLoEmgR4ZFaHR0cDovL2NybC5jb21vZG9jYS5jb20vQ09N\n" +
+            "T0RPUlNBRXh0ZW5kZWRWYWxpZGF0aW9uU2VjdXJlU2VydmVyQ0EuY3JsMIGHBggr\n" +
+            "BgEFBQcBAQR7MHkwUQYIKwYBBQUHMAKGRWh0dHA6Ly9jcnQuY29tb2RvY2EuY29t\n" +
+            "L0NPTU9ET1JTQUV4dGVuZGVkVmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNydDAk\n" +
+            "BggrBgEFBQcwAYYYaHR0cDovL29jc3AuY29tb2RvY2EuY29tMDoGA1UdEQQzMDGC\n" +
+            "L2NvbW9kb3JzYWNlcnRpZmljYXRpb25hdXRob3JpdHktZXYuY29tb2RvY2EuY29t\n" +
+            "MIIBfQYKKwYBBAHWeQIEAgSCAW0EggFpAWcAdQDuS723dc5guuFCaR+r4Z5mow9+\n" +
+            "X7By2IMAxHuJeqj9ywAAAW2DAXefAAAEAwBGMEQCIDqP1einOiPHnaG1fOZMDrEc\n" +
+            "RAxjq3vEl94fp4pkmke7AiBsJOvPE6irgcOO1/lnP7NRuln7iPJjU7T20PEK5/rm\n" +
+            "KwB2AFWB1MIWkDYBSuoLm1c8U/DA5Dh4cCUIFy+jqh0HE9MMAAABbYMBd0kAAAQD\n" +
+            "AEcwRQIhALgUI5XxM1NHbJDdr19h2pe3LhzK4tpuB/OQ9BgCyrGXAiBdr6mNCB/G\n" +
+            "rbdVx0u7iezwC7mq7iaWugR3rrWlSA8fWQB2ALvZ37wfinG1k5Qjl6qSe0c4V5UK\n" +
+            "q1LoGpCWZDaOHtGFAAABbYMBd1oAAAQDAEcwRQIgXbG32dagMeLhuZb+LSpJO1vI\n" +
+            "BmxmRnNdiz5FbG9cCbwCIQCr1X9f+ebT5fhlDUNBURUorTtM8QQciBiueBqvHk7+\n" +
+            "1DANBgkqhkiG9w0BAQsFAAOCAQEAM/A/1dgoc5NP1n+w3SX9qWcN7QT7ExdrnZSl\n" +
+            "Ygn0PF2fx4gz7cvNKucbpQJNA4C9awGydyYK8/o5KDUXt3K7eb1OAZ/NZBjygsJs\n" +
+            "ikXvxlBh8oEoqBOfOtr24l0NGUWnP8Qeu/VPcIMER4V8qX+in0pCXkSd67nkp6Bs\n" +
+            "EcqhDPgmzdSC1gQHsZuBdotG14OfdH1cG1bRK6GadISLG1h8BFukVem42B149v8F\n" +
+            "MCIUQAYprAVv2WlTZKBx9XzuK6IK3+klHZ07Jfvjvt7PPG5HKSMWBMnMaTHKcyQI\n" +
+            "G3t91yw7BnNNInZlBSsFtqjbHhDcr7uruZdbi0rerSsi2qDr0w==\n" +
+            "-----END CERTIFICATE-----";
+
+    // Owner: CN=comodorsacertificationauthority-ev.comodoca.com, OU=COMODO EV SGC SSL, O=Sectigo Limited,
+    // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
     // ST=Greater Manchester, OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization,
     // OID.1.3.6.1.4.1.311.60.2.1.3=GB, SERIALNUMBER=04058690
     // Issuer: CN=COMODO RSA Extended Validation Secure Server CA, O=COMODO CA Limited, L=Salford,
     // ST=Greater Manchester, C=GB
     // Serial number: d3df2597cbed1ab6e02ee82021771614
     // Valid from: Wed Nov 28 16:00:00 PST 2018 until: Fri Feb 26 15:59:59 PST 2021
-    private static final String VALID = "-----BEGIN CERTIFICATE-----\n" +
+    private static final String REVOKED = "-----BEGIN CERTIFICATE-----\n" +
             "MIIH7jCCBtagAwIBAgIRANPfJZfL7Rq24C7oICF3FhQwDQYJKoZIhvcNAQELBQAw\n" +
             "gZIxCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO\n" +
             "BgNVBAcTB1NhbGZvcmQxGjAYBgNVBAoTEUNPTU9ETyBDQSBMaW1pdGVkMTgwNgYD\n" +
@@ -164,60 +217,6 @@
             "YrTYerPngjPbZB0bfLOja0vb\n" +
             "-----END CERTIFICATE-----";
 
-    // Owner: CN=comodorsacertificationauthority-ev.comodoca.com, OU=COMODO EV SGC SSL, O=COMODO CA Limited,
-    // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
-    // ST=Greater Manchester, OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization,
-    // OID.1.3.6.1.4.1.311.60.2.1.3=GB, SERIALNUMBER=04058690
-    // Issuer: CN=COMODO RSA Extended Validation Secure Server CA, O=COMODO CA Limited, L=Salford,
-    // ST=Greater Manchester, C=GB
-    // Serial number: 720aa2cfa40094521224f901a984b167
-    // Valid from: Thu Jun 29 17:00:00 PDT 2017 until: Sun Sep 29 16:59:59 PDT 2019
-    private static final String REVOKED = "-----BEGIN CERTIFICATE-----\n" +
-            "MIIH8jCCBtqgAwIBAgIQcgqiz6QAlFISJPkBqYSxZzANBgkqhkiG9w0BAQsFADCB\n" +
-            "kjELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G\n" +
-            "A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxODA2BgNV\n" +
-            "BAMTL0NPTU9ETyBSU0EgRXh0ZW5kZWQgVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVy\n" +
-            "IENBMB4XDTE3MDYzMDAwMDAwMFoXDTE5MDkyOTIzNTk1OVowggFdMREwDwYDVQQF\n" +
-            "EwgwNDA1ODY5MDETMBEGCysGAQQBgjc8AgEDEwJHQjEdMBsGA1UEDxMUUHJpdmF0\n" +
-            "ZSBPcmdhbml6YXRpb24xCzAJBgNVBAYTAkdCMQ8wDQYDVQQREwZNNSAzRVExGzAZ\n" +
-            "BgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEWMBQG\n" +
-            "A1UECRMNVHJhZmZvcmQgUm9hZDEWMBQGA1UECRMNRXhjaGFuZ2UgUXVheTElMCMG\n" +
-            "A1UECRMcM3JkIEZsb29yLCAyNiBPZmZpY2UgVmlsbGFnZTEaMBgGA1UEChMRQ09N\n" +
-            "T0RPIENBIExpbWl0ZWQxGjAYBgNVBAsTEUNPTU9ETyBFViBTR0MgU1NMMTgwNgYD\n" +
-            "VQQDEy9jb21vZG9yc2FjZXJ0aWZpY2F0aW9uYXV0aG9yaXR5LWV2LmNvbW9kb2Nh\n" +
-            "LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAND/eZQBTjpBDsut\n" +
-            "eKwl+zpTitF8tJzwHAhcQHC2AaLF/GJl1rnjx4OfelMhKhN1Od9KU6onHGOd2w4m\n" +
-            "D4EiYK9TpXwuwTyzfkCmnkqxZjYK3KAJN013o4L+8y1zsGVUulpN/GfMaxTb4Xdm\n" +
-            "eSekTP91Phw3xezijBq3sa++1rO5RBaT1IHeHhHviC9WNrG8CIg/j5MyC9i43LZH\n" +
-            "iRXLER1LzT/MCIRsiG5AEbiYXV5BNd5SiiHtBJ1q0ZJH+AxL2ERaT41VCppboZwT\n" +
-            "hmJGGoky9FWjp6z8U6Enx0fAMJIZNEzW6LAJFKPEynEU004jFFCEumPUqqCC4ogx\n" +
-            "ulphY80CAwEAAaOCA3QwggNwMB8GA1UdIwQYMBaAFDna/8ooFIqodBMIueQOqdL6\n" +
-            "fp1pMB0GA1UdDgQWBBQ+S4ZhIrwOoeGs9BBT4uXq89Ux/jAOBgNVHQ8BAf8EBAMC\n" +
-            "BaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIw\n" +
-            "TwYDVR0gBEgwRjA7BgwrBgEEAbIxAQIBBQEwKzApBggrBgEFBQcCARYdaHR0cHM6\n" +
-            "Ly9zZWN1cmUuY29tb2RvLmNvbS9DUFMwBwYFZ4EMAQEwVgYDVR0fBE8wTTBLoEmg\n" +
-            "R4ZFaHR0cDovL2NybC5jb21vZG9jYS5jb20vQ09NT0RPUlNBRXh0ZW5kZWRWYWxp\n" +
-            "ZGF0aW9uU2VjdXJlU2VydmVyQ0EuY3JsMIGHBggrBgEFBQcBAQR7MHkwUQYIKwYB\n" +
-            "BQUHMAKGRWh0dHA6Ly9jcnQuY29tb2RvY2EuY29tL0NPTU9ET1JTQUV4dGVuZGVk\n" +
-            "VmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNydDAkBggrBgEFBQcwAYYYaHR0cDov\n" +
-            "L29jc3AuY29tb2RvY2EuY29tMDoGA1UdEQQzMDGCL2NvbW9kb3JzYWNlcnRpZmlj\n" +
-            "YXRpb25hdXRob3JpdHktZXYuY29tb2RvY2EuY29tMIIBgAYKKwYBBAHWeQIEAgSC\n" +
-            "AXAEggFsAWoAdgCkuQmQtBhYFIe7E6LMZ3AKPDWYBPkb37jjd80OyA3cEAAAAVz5\n" +
-            "cV7GAAAEAwBHMEUCIQCpgc0Eqw3g4pr+oX88h5xgL1VEAiDpqAhbRtilgYwBbgIg\n" +
-            "UaIm+n8AHi55nB//Sb4Nz18GYVcfELfpIzRh1vW9HbYAdwBWFAaaL9fC7NP14b1E\n" +
-            "sj7HRna5vJkRXMDvlJhV1onQ3QAAAVz5cVybAAAEAwBIMEYCIQDdsgC4KZ++OP44\n" +
-            "X7LbUcNaxe0kFzbctF2L3bnmhp9nXQIhAM0/g+PrZBIBpYlOtzidePi8bBHrLWn2\n" +
-            "uBiP3pYIntl4AHcA7ku9t3XOYLrhQmkfq+GeZqMPfl+wctiDAMR7iXqo/csAAAFc\n" +
-            "+XFeoQAABAMASDBGAiEAoySTb/QKw7JwtZtPHnECEMzgENQSFy58Kl+Mvcd3SmcC\n" +
-            "IQD8cU66Ih3ejvt0OTX+lfxQPKyggQfm4Uk/lwn5LEJXbDANBgkqhkiG9w0BAQsF\n" +
-            "AAOCAQEAKEaSYWn3Hi8rfJS4cMTJoMkVp2vpPH2dGXySBEy67TEGRw9+f75w3q95\n" +
-            "r1m3P+xsR6dBoidTq/6wqUYI51lB4Fq9ylh1Stp5Gj54CuyT+S31l7lD7sl0KMsn\n" +
-            "HDUDQHId7hKeORYpiIZOcrKOglKdi1uiGwDgoiLKh98lUrZA6durrhH+sl69wqp2\n" +
-            "0XAu+3hurXzCoZFJfyngTO1kt9qcFUAxc5LofIa9QvC6VR7dI4aAh7dUpIRlnjG3\n" +
-            "jJ1mUMTqWO6TFTtddb+uQjDqNgkYYYNuSax1WMEIZWbIi13EjXK1GPQUXJe6gQin\n" +
-            "NUq9JH9NPK6m8A1YKT+wgzfTDeaV2Q==\n" +
-            "-----END CERTIFICATE-----";
-
     public void runTest(ValidatePathWithParams pathValidator) throws Exception {
         // Validate valid
         pathValidator.validate(new String[]{VALID, INT},
@@ -226,7 +225,7 @@
         // Validate Revoked
         pathValidator.validate(new String[]{REVOKED, INT},
                 ValidatePathWithParams.Status.REVOKED,
-                "Thu Nov 29 08:41:09 PST 2018", System.out);
+                "Wed Oct 02 06:06:24 PDT 2019", System.out);
     }
 }
 
@@ -263,13 +262,58 @@
 
     // Owner: CN=comodoecccertificationauthority-ev.comodoca.com, OU=COMODO EV SSL, O=Sectigo Limited,
     // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
+    // OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization, OID.1.3.6.1.4.1.311.60.2.1.3=GB,
+    // SERIALNUMBER=04058690
+    // Issuer: CN=COMODO ECC Extended Validation Secure Server CA, O=COMODO CA Limited, L=Salford,
+    // ST=Greater Manchester, C=GB
+    // Serial number: 7972d9d8472a2d52ad1ee6edfb16cbe1
+    // Valid from: Sun Sep 29 17:00:00 PDT 2019 until: Tue Dec 28 15:59:59 PST 2021
+    private static final String VALID = "-----BEGIN CERTIFICATE-----\n" +
+            "MIIGPzCCBeWgAwIBAgIQeXLZ2EcqLVKtHubt+xbL4TAKBggqhkjOPQQDAjCBkjEL\n" +
+            "MAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UE\n" +
+            "BxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxODA2BgNVBAMT\n" +
+            "L0NPTU9ETyBFQ0MgRXh0ZW5kZWQgVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB\n" +
+            "MB4XDTE5MDkzMDAwMDAwMFoXDTIxMTIyODIzNTk1OVowggE6MREwDwYDVQQFEwgw\n" +
+            "NDA1ODY5MDETMBEGCysGAQQBgjc8AgEDEwJHQjEdMBsGA1UEDxMUUHJpdmF0ZSBP\n" +
+            "cmdhbml6YXRpb24xCzAJBgNVBAYTAkdCMQ8wDQYDVQQREwZNNSAzRVExEDAOBgNV\n" +
+            "BAcTB1NhbGZvcmQxFjAUBgNVBAkTDVRyYWZmb3JkIFJvYWQxFjAUBgNVBAkTDUV4\n" +
+            "Y2hhbmdlIFF1YXkxJTAjBgNVBAkTHDNyZCBGbG9vciwgMjYgT2ZmaWNlIFZpbGxh\n" +
+            "Z2UxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDEWMBQGA1UECxMNQ09NT0RPIEVW\n" +
+            "IFNTTDE4MDYGA1UEAxMvY29tb2RvZWNjY2VydGlmaWNhdGlvbmF1dGhvcml0eS1l\n" +
+            "di5jb21vZG9jYS5jb20wWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAS3bqoFLtNG\n" +
+            "7/J9H5GKosDNbYL5SykVmU5FzgSEt81gyAWShkqMSfAnO50fpr65E+o86E+BR3o8\n" +
+            "V9FAU5wuOaGBo4IDcDCCA2wwHwYDVR0jBBgwFoAU007DGbpYWdEcYLdhU0c7p3eP\n" +
+            "+IowHQYDVR0OBBYEFOlnS3MqxwXDpne8IQMXMZHlVKRXMA4GA1UdDwEB/wQEAwIF\n" +
+            "gDAMBgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBP\n" +
+            "BgNVHSAESDBGMDsGDCsGAQQBsjEBAgEFATArMCkGCCsGAQUFBwIBFh1odHRwczov\n" +
+            "L3NlY3VyZS5jb21vZG8uY29tL0NQUzAHBgVngQwBATBWBgNVHR8ETzBNMEugSaBH\n" +
+            "hkVodHRwOi8vY3JsLmNvbW9kb2NhLmNvbS9DT01PRE9FQ0NFeHRlbmRlZFZhbGlk\n" +
+            "YXRpb25TZWN1cmVTZXJ2ZXJDQS5jcmwwgYcGCCsGAQUFBwEBBHsweTBRBggrBgEF\n" +
+            "BQcwAoZFaHR0cDovL2NydC5jb21vZG9jYS5jb20vQ09NT0RPRUNDRXh0ZW5kZWRW\n" +
+            "YWxpZGF0aW9uU2VjdXJlU2VydmVyQ0EuY3J0MCQGCCsGAQUFBzABhhhodHRwOi8v\n" +
+            "b2NzcC5jb21vZG9jYS5jb20wOgYDVR0RBDMwMYIvY29tb2RvZWNjY2VydGlmaWNh\n" +
+            "dGlvbmF1dGhvcml0eS1ldi5jb21vZG9jYS5jb20wggF8BgorBgEEAdZ5AgQCBIIB\n" +
+            "bASCAWgBZgB1AO5Lvbd1zmC64UJpH6vhnmajD35fsHLYgwDEe4l6qP3LAAABbYME\n" +
+            "EzgAAAQDAEYwRAIgbdo71lBleuJiq+D0ZLp51oVUyWD9EyrtgBSCNwIW4cMCIAqg\n" +
+            "0VFTWHEmAVjaV23fGj3Ybu3mpSiHr6viGlgA2lYaAHUAVYHUwhaQNgFK6gubVzxT\n" +
+            "8MDkOHhwJQgXL6OqHQcT0wwAAAFtgwQTKAAABAMARjBEAiBb/gW1RU7kgFBiNpHx\n" +
+            "LStujKIocyENUTXsMbsac+LktwIgXbEr8vOOCEdBdXQ2F/FKec8ft6gz57mHNmwl\n" +
+            "pp7phbQAdgC72d+8H4pxtZOUI5eqkntHOFeVCqtS6BqQlmQ2jh7RhQAAAW2DBBM6\n" +
+            "AAAEAwBHMEUCIQDjKN3h86ofR94+JxLFoYuoA+DRtxEY8XGg+NQXlZfUrgIgEoO2\n" +
+            "ZzKbGfohdwj/WtDwJDRX5pjXF4M0nECiwtYXDIwwCgYIKoZIzj0EAwIDSAAwRQIg\n" +
+            "AkIRVQBwrElFjrnqk5XPvnlnwkIm1A70ayqOf1FexoQCIQC8tBTn//RCfrhcgTjd\n" +
+            "ER4wRjFfFoc6lC68OHGVg9CZZg==\n" +
+            "-----END CERTIFICATE-----";
+
+    // Owner: CN=comodoecccertificationauthority-ev.comodoca.com, OU=COMODO EV SSL, O=Sectigo Limited,
+    // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
     // ST=Greater Manchester, OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization,
     // OID.1.3.6.1.4.1.311.60.2.1.3=GB, SERIALNUMBER=04058690
     // Issuer: CN=COMODO ECC Extended Validation Secure Server CA, O=COMODO CA Limited, L=Salford,
     // ST=Greater Manchester, C=GB
     // Serial number: 603a5c2f85b63e00ba46ce8c3f6000b0
     // Valid from: Wed Nov 28 16:00:00 PST 2018 until: Fri Feb 26 15:59:59 PST 2021
-    private static final String VALID = "-----BEGIN CERTIFICATE-----\n" +
+    private static final String REVOKED = "-----BEGIN CERTIFICATE-----\n" +
             "MIIGXzCCBgWgAwIBAgIQYDpcL4W2PgC6Rs6MP2AAsDAKBggqhkjOPQQDAjCBkjEL\n" +
             "MAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UE\n" +
             "BxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxODA2BgNVBAMT\n" +
@@ -307,52 +351,6 @@
             "KOC7\n" +
             "-----END CERTIFICATE-----";
 
-    // Owner: CN=comodoecccertificationauthority-ev.comodoca.com, OU=COMODO EV SSL, O=COMODO CA Limited,
-    // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
-    // ST=Greater Manchester, OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization,
-    // OID.1.3.6.1.4.1.311.60.2.1.3=GB, SERIALNUMBER=04058690
-    // Issuer: CN=COMODO ECC Extended Validation Secure Server CA, O=COMODO CA Limited, L=Salford,
-    // ST=Greater Manchester, C=GB
-    // Serial number: 414e5d66ec7d15ca504213f2811d57af
-    // Valid from: Mon Jul 03 17:00:00 PDT 2017 until: Thu Oct 03 16:59:59 PDT 2019
-    private static final String REVOKED = "-----BEGIN CERTIFICATE-----\n" +
-            "MIIGYDCCBgWgAwIBAgIQQU5dZux9FcpQQhPygR1XrzAKBggqhkjOPQQDAjCBkjEL\n" +
-            "MAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UE\n" +
-            "BxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxODA2BgNVBAMT\n" +
-            "L0NPTU9ETyBFQ0MgRXh0ZW5kZWQgVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB\n" +
-            "MB4XDTE3MDcwNDAwMDAwMFoXDTE5MTAwMzIzNTk1OVowggFZMREwDwYDVQQFEwgw\n" +
-            "NDA1ODY5MDETMBEGCysGAQQBgjc8AgEDEwJHQjEdMBsGA1UEDxMUUHJpdmF0ZSBP\n" +
-            "cmdhbml6YXRpb24xCzAJBgNVBAYTAkdCMQ8wDQYDVQQREwZNNSAzRVExGzAZBgNV\n" +
-            "BAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEWMBQGA1UE\n" +
-            "CRMNVHJhZmZvcmQgUm9hZDEWMBQGA1UECRMNRXhjaGFuZ2UgUXVheTElMCMGA1UE\n" +
-            "CRMcM3JkIEZsb29yLCAyNiBPZmZpY2UgVmlsbGFnZTEaMBgGA1UEChMRQ09NT0RP\n" +
-            "IENBIExpbWl0ZWQxFjAUBgNVBAsTDUNPTU9ETyBFViBTU0wxODA2BgNVBAMTL2Nv\n" +
-            "bW9kb2VjY2NlcnRpZmljYXRpb25hdXRob3JpdHktZXYuY29tb2RvY2EuY29tMFkw\n" +
-            "EwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEt26qBS7TRu/yfR+RiqLAzW2C+UspFZlO\n" +
-            "Rc4EhLfNYMgFkoZKjEnwJzudH6a+uRPqPOhPgUd6PFfRQFOcLjmhgaOCA3EwggNt\n" +
-            "MB8GA1UdIwQYMBaAFNNOwxm6WFnRHGC3YVNHO6d3j/iKMB0GA1UdDgQWBBTpZ0tz\n" +
-            "KscFw6Z3vCEDFzGR5VSkVzAOBgNVHQ8BAf8EBAMCBYAwDAYDVR0TAQH/BAIwADAd\n" +
-            "BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwTwYDVR0gBEgwRjA7BgwrBgEE\n" +
-            "AbIxAQIBBQEwKzApBggrBgEFBQcCARYdaHR0cHM6Ly9zZWN1cmUuY29tb2RvLmNv\n" +
-            "bS9DUFMwBwYFZ4EMAQEwVgYDVR0fBE8wTTBLoEmgR4ZFaHR0cDovL2NybC5jb21v\n" +
-            "ZG9jYS5jb20vQ09NT0RPRUNDRXh0ZW5kZWRWYWxpZGF0aW9uU2VjdXJlU2VydmVy\n" +
-            "Q0EuY3JsMIGHBggrBgEFBQcBAQR7MHkwUQYIKwYBBQUHMAKGRWh0dHA6Ly9jcnQu\n" +
-            "Y29tb2RvY2EuY29tL0NPTU9ET0VDQ0V4dGVuZGVkVmFsaWRhdGlvblNlY3VyZVNl\n" +
-            "cnZlckNBLmNydDAkBggrBgEFBQcwAYYYaHR0cDovL29jc3AuY29tb2RvY2EuY29t\n" +
-            "MDoGA1UdEQQzMDGCL2NvbW9kb2VjY2NlcnRpZmljYXRpb25hdXRob3JpdHktZXYu\n" +
-            "Y29tb2RvY2EuY29tMIIBfQYKKwYBBAHWeQIEAgSCAW0EggFpAWcAdgCkuQmQtBhY\n" +
-            "FIe7E6LMZ3AKPDWYBPkb37jjd80OyA3cEAAAAV0NLqsqAAAEAwBHMEUCIAz9Jjq3\n" +
-            "qLUd/a2PYZnLGsEG/MrL7vab5rmGBg8RGAJxAiEA7JJnar07NIjCLLO77xJ3UFcu\n" +
-            "UMM3M8JgGC8wbuRwxbUAdgBWFAaaL9fC7NP14b1Esj7HRna5vJkRXMDvlJhV1onQ\n" +
-            "3QAAAV0NLqjmAAAEAwBHMEUCIHRvPWKr7vPMBWx1gLPkt8inPINWPNSoax178e5A\n" +
-            "D0cPAiEAvRL/VP4DLiyHvcU9AOqTzQXGuWCzswWKG59hSm7gS4kAdQDuS723dc5g\n" +
-            "uuFCaR+r4Z5mow9+X7By2IMAxHuJeqj9ywAAAV0NLqsDAAAEAwBGMEQCIFALT043\n" +
-            "X5IffLsxIAGXTrWgkZHf12QKgrYKXVB629eOAiAIeci2xi3fUW6mU8tT4LwyjowV\n" +
-            "DkrSCw1ZMo0JApsfzTAKBggqhkjOPQQDAgNJADBGAiEA7HUxjwx0MBC+4PuPx4Z1\n" +
-            "WpKz7jdHOMTh1sdaoVV5hNoCIQDrnjBFUopXHTvm/rj+aMFIeYejggPqv14KJOqT\n" +
-            "gym+uA==\n" +
-            "-----END CERTIFICATE-----";
-
     public void runTest(ValidatePathWithParams pathValidator) throws Exception {
         // Validate valid
         pathValidator.validate(new String[]{VALID, INT},
@@ -361,19 +359,61 @@
         // Validate Revoked
         pathValidator.validate(new String[]{REVOKED, INT},
                 ValidatePathWithParams.Status.REVOKED,
-                "Thu Nov 29 08:12:02 PST 2018", System.out);
+                "Wed Oct 02 06:05:57 PDT 2019", System.out);
     }
 }
 
 class ComodoUserTrustRSA {
 
+    // Owner: CN=Sectigo RSA Extended Validation Secure Server CA, O=Sectigo Limited, L=Salford,
+    // ST=Greater Manchester, C=GB
+    // Issuer: CN=USERTrust RSA Certification Authority, O=The USERTRUST Network, L=Jersey City, ST=New Jersey, C=US
+    // Serial number: 284e39c14b386d889c7299e58cd05a57
+    // Valid from: Thu Nov 01 17:00:00 PDT 2018 until: Tue Dec 31 15:59:59 PST 2030
+    private static final String INT_VALID = "-----BEGIN CERTIFICATE-----\n" +
+            "MIIGNDCCBBygAwIBAgIQKE45wUs4bYiccpnljNBaVzANBgkqhkiG9w0BAQwFADCB\n" +
+            "iDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0pl\n" +
+            "cnNleSBDaXR5MR4wHAYDVQQKExVUaGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNV\n" +
+            "BAMTJVVTRVJUcnVzdCBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTgx\n" +
+            "MTAyMDAwMDAwWhcNMzAxMjMxMjM1OTU5WjCBkTELMAkGA1UEBhMCR0IxGzAZBgNV\n" +
+            "BAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEYMBYGA1UE\n" +
+            "ChMPU2VjdGlnbyBMaW1pdGVkMTkwNwYDVQQDEzBTZWN0aWdvIFJTQSBFeHRlbmRl\n" +
+            "ZCBWYWxpZGF0aW9uIFNlY3VyZSBTZXJ2ZXIgQ0EwggEiMA0GCSqGSIb3DQEBAQUA\n" +
+            "A4IBDwAwggEKAoIBAQCaoslYBiqFev0Yc4TXPa0s9oliMcn9VaENfTUK4GVT7niB\n" +
+            "QXxC6Mt8kTtvyr5lU92hDQDh2WDPQsZ7oibh75t2kowT3z1S+Sy1GsUDM4NbdOde\n" +
+            "orcmzFm/b4bwD4G/G+pB4EX1HSfjN9eT0Hje+AGvCrd2MmnxJ+Yymv9BH9OB65jK\n" +
+            "rUO9Na4iHr48XWBDFvzsPCJ11Uioof6dRBVp+Lauj88Z7k2X8d606HeXn43h6acp\n" +
+            "LLURWyqXM0CrzedVWBzuXKuBEaqD6w/1VpLJvSU+wl3ScvXSLFp82DSRJVJONXWl\n" +
+            "dp9gjJioPGRByeZw11k3galbbF5gFK9xSnbDx29LAgMBAAGjggGNMIIBiTAfBgNV\n" +
+            "HSMEGDAWgBRTeb9aqitKz1SA4dibwJ3ysgNmyzAdBgNVHQ4EFgQULGn/gMmHkK40\n" +
+            "4bTnTJOFmUDpp7IwDgYDVR0PAQH/BAQDAgGGMBIGA1UdEwEB/wQIMAYBAf8CAQAw\n" +
+            "HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMDoGA1UdIAQzMDEwLwYEVR0g\n" +
+            "ADAnMCUGCCsGAQUFBwIBFhlodHRwczovL2Nwcy51c2VydHJ1c3QuY29tMFAGA1Ud\n" +
+            "HwRJMEcwRaBDoEGGP2h0dHA6Ly9jcmwudXNlcnRydXN0LmNvbS9VU0VSVHJ1c3RS\n" +
+            "U0FDZXJ0aWZpY2F0aW9uQXV0aG9yaXR5LmNybDB2BggrBgEFBQcBAQRqMGgwPwYI\n" +
+            "KwYBBQUHMAKGM2h0dHA6Ly9jcnQudXNlcnRydXN0LmNvbS9VU0VSVHJ1c3RSU0FB\n" +
+            "ZGRUcnVzdENBLmNydDAlBggrBgEFBQcwAYYZaHR0cDovL29jc3AudXNlcnRydXN0\n" +
+            "LmNvbTANBgkqhkiG9w0BAQwFAAOCAgEAQ4AzPxVypLyy3IjUUmVl7FaxrHsXQq2z\n" +
+            "Zt2gKnHQShuA+5xpRPNndjvhHk4D08PZXUe6Im7E5knqxtyl5aYdldb+HI/7f+zd\n" +
+            "W/1ub2N4Vq4ZYUjcZ1ECOFK7Z2zoNicDmU+Fe/TreXPuPsDicTG/tMcWEVM558OQ\n" +
+            "TJkB2LK3ZhGukWM/RTMRcRdXaXOX8Lh0ylzRO1O0ObXytvOFpkkkD92HGsfS06i7\n" +
+            "NLDPJEeZXqzHE5Tqj7VSAj+2luwfaXaPLD8lQEVci8xmsPGOn0mXE1ZzsChEPhVq\n" +
+            "FYQUsbiRJRhidKauhd+G2CkRTcR5fpsuz+iStB9s5Fks9lKoXnn0hv78VYjvR78C\n" +
+            "Cvj5FW/ounHjWTWMb3il9S5ngbFGcelB1l/MQkR63+1ybdi2OpjNWJCftxOWUpkC\n" +
+            "xaRdnOnSj7GQY0NLn8Gtq9FcSZydtkVgXpouSFZkXNS/MYwbcCCcRKBbrk8ss0SI\n" +
+            "Xg1gTURjh9VP1OHm0OktYcUw9e90wHIDn7h0qA+bWOsZquSRzT4s2crF3ZSA3tuV\n" +
+            "/UJ33mjdVO8wBD8aI5y10QreSPJvZHHNDyCmoyjXvNhR+u3arXUoHWxO+MZBeXbi\n" +
+            "iF7Nwn/IEmQvWBW8l6D26CXIavcY1kAJcfyzHkrPbLo+fAOa/KFl3lIU+0biEVNk\n" +
+            "Q9zXE6hC6X4=\n" +
+            "-----END CERTIFICATE-----";
+
     // Owner: CN=USERTrust RSA Extended Validation Secure Server CA,
     // O=The USERTRUST Network, L=Jersey City, ST=New Jersey, C=US
     // Issuer: CN=USERTrust RSA Certification Authority, O=The USERTRUST Network,
     // L=Jersey City, ST=New Jersey, C=US
     // Serial number: f6bb751efa7d2e8368e606407334f83
     // Valid from: Sat Feb 11 16:00:00 PST 2012 until: Thu Feb 11 15:59:59 PST 2027
-    private static final String INT = "-----BEGIN CERTIFICATE-----\n"
+    private static final String INT_REVOKED = "-----BEGIN CERTIFICATE-----\n"
             + "MIIGGTCCBAGgAwIBAgIQD2u3Ue+n0ug2jmBkBzNPgzANBgkqhkiG9w0BAQwFADCB\n"
             + "iDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0pl\n"
             + "cnNleSBDaXR5MR4wHAYDVQQKExVUaGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNV\n"
@@ -409,15 +449,69 @@
             + "4fokbdNREXoShKClNIPbB5iY+WdSzb9CKLyb96g=\n"
             + "-----END CERTIFICATE-----";
 
-    // Owner: CN=usertrustrsacertificationauthority-ev.comodoca.com, OU=COMODO EV SGC SSL,
-    // O=Sectigo Limited, STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road,
-    // L=Salford, ST=Greater Manchester, OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization,
+    // Owner: CN=usertrustrsacertificationauthority-ev.comodoca.com, OU=COMODO EV SGC SSL, O=Sectigo Limited,
+    // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford, ST=Manchester,
+    // OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization, OID.1.3.6.1.4.1.311.60.2.1.3=GB,
+    // SERIALNUMBER=04058690
+    // Issuer: CN=Sectigo RSA Extended Validation Secure Server CA, O=Sectigo Limited, L=Salford,
+    // ST=Greater Manchester, C=GB
+    // Serial number: b07fd164b5790c9d5d1fddff5819cdb2
+    // Valid from: Sun Sep 29 17:00:00 PDT 2019 until: Tue Dec 28 15:59:59 PST 2021
+    private static final String VALID = "-----BEGIN CERTIFICATE-----\n" +
+            "MIIH5TCCBs2gAwIBAgIRALB/0WS1eQydXR/d/1gZzbIwDQYJKoZIhvcNAQELBQAw\n" +
+            "gZExCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO\n" +
+            "BgNVBAcTB1NhbGZvcmQxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE5MDcGA1UE\n" +
+            "AxMwU2VjdGlnbyBSU0EgRXh0ZW5kZWQgVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVy\n" +
+            "IENBMB4XDTE5MDkzMDAwMDAwMFoXDTIxMTIyODIzNTk1OVowggFWMREwDwYDVQQF\n" +
+            "EwgwNDA1ODY5MDETMBEGCysGAQQBgjc8AgEDEwJHQjEdMBsGA1UEDxMUUHJpdmF0\n" +
+            "ZSBPcmdhbml6YXRpb24xCzAJBgNVBAYTAkdCMQ8wDQYDVQQREwZNNSAzRVExEzAR\n" +
+            "BgNVBAgTCk1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQxFjAUBgNVBAkTDVRy\n" +
+            "YWZmb3JkIFJvYWQxFjAUBgNVBAkTDUV4Y2hhbmdlIFF1YXkxJTAjBgNVBAkTHDNy\n" +
+            "ZCBGbG9vciwgMjYgT2ZmaWNlIFZpbGxhZ2UxGDAWBgNVBAoTD1NlY3RpZ28gTGlt\n" +
+            "aXRlZDEaMBgGA1UECxMRQ09NT0RPIEVWIFNHQyBTU0wxOzA5BgNVBAMTMnVzZXJ0\n" +
+            "cnVzdHJzYWNlcnRpZmljYXRpb25hdXRob3JpdHktZXYuY29tb2RvY2EuY29tMIIB\n" +
+            "IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnh/rxeiYwpLa651eLvGnR+RE\n" +
+            "rhDWkTZtqZcHw9Oy7JL2uELyEPbM+v0az40cBHS0bQZJZbWmXNukMUMSwIb4z7t8\n" +
+            "OXlxz9uvxEufvlqBl4qeC/z3LpFBRRHEero3yGKVwkoe1aP2Pq7Udi+7i7eVZZdA\n" +
+            "1ticxZWo/UBU9mwbIOYqf/4xzZ6G891hKb+NAuuEfxG52vXZl8odMThfHuDlkfS7\n" +
+            "nZMQBaO40KJeSEBhr+5TIS7d7tWWye/F6oEQ0+dHBiF9PyZ1dXoO8aue/80mP+0F\n" +
+            "MYTmRFsKHge6ZjojfH9cLlR5kTqtP5Tqh5GBQ4zp3uyIBBU6ylKp9PNHkewGUQID\n" +
+            "AQABo4IDbjCCA2owHwYDVR0jBBgwFoAULGn/gMmHkK404bTnTJOFmUDpp7IwHQYD\n" +
+            "VR0OBBYEFHz7cvDn1LYe2M+z4plwQn7rt938MA4GA1UdDwEB/wQEAwIFoDAMBgNV\n" +
+            "HRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBJBgNVHSAE\n" +
+            "QjBAMDUGDCsGAQQBsjEBAgEFATAlMCMGCCsGAQUFBwIBFhdodHRwczovL3NlY3Rp\n" +
+            "Z28uY29tL0NQUzAHBgVngQwBATBWBgNVHR8ETzBNMEugSaBHhkVodHRwOi8vY3Js\n" +
+            "LnNlY3RpZ28uY29tL1NlY3RpZ29SU0FFeHRlbmRlZFZhbGlkYXRpb25TZWN1cmVT\n" +
+            "ZXJ2ZXJDQS5jcmwwgYYGCCsGAQUFBwEBBHoweDBRBggrBgEFBQcwAoZFaHR0cDov\n" +
+            "L2NydC5zZWN0aWdvLmNvbS9TZWN0aWdvUlNBRXh0ZW5kZWRWYWxpZGF0aW9uU2Vj\n" +
+            "dXJlU2VydmVyQ0EuY3J0MCMGCCsGAQUFBzABhhdodHRwOi8vb2NzcC5zZWN0aWdv\n" +
+            "LmNvbTA9BgNVHREENjA0gjJ1c2VydHJ1c3Ryc2FjZXJ0aWZpY2F0aW9uYXV0aG9y\n" +
+            "aXR5LWV2LmNvbW9kb2NhLmNvbTCCAX4GCisGAQQB1nkCBAIEggFuBIIBagFoAHYA\n" +
+            "7ku9t3XOYLrhQmkfq+GeZqMPfl+wctiDAMR7iXqo/csAAAFtgzv54wAABAMARzBF\n" +
+            "AiB5PmhsK3zU3XdKvyxw/wWHMmLI7apHLa1yKdjkA8H+ggIhALdUx7Tl8aeWhK6z\n" +
+            "lh+PHvMAdCcAJK6w9qBJGQtSrYO5AHUAVYHUwhaQNgFK6gubVzxT8MDkOHhwJQgX\n" +
+            "L6OqHQcT0wwAAAFtgzv5zgAABAMARjBEAiBumSwAUamibqJXTN2cf/H3mjd0T35/\n" +
+            "UK9w2hu9gFobxgIgSXTLndHyqFUmcmquu3It0WC1yl6YMceGixbQL1e8BQcAdwC7\n" +
+            "2d+8H4pxtZOUI5eqkntHOFeVCqtS6BqQlmQ2jh7RhQAAAW2DO/nXAAAEAwBIMEYC\n" +
+            "IQDHRs10oYoXE5yq6WsiksjdQsUWZNpbSsrmz0u+KlxTVQIhAJ4rvHItKSeJLkaN\n" +
+            "S3YpVZnkN8tOwuxPsYeyVx/BtaNpMA0GCSqGSIb3DQEBCwUAA4IBAQAPFIsUFymo\n" +
+            "VTp0vntHrZpBApBQzDeriQv7Bi7tmou/Ng47RtXW3DjGdrePGSfOdl7h62k8qprU\n" +
+            "JeLyloDqhvmT/CG/hdwrfZ3Sv3N2xpetGcnW5S3oEi3m+/M1ls9eD+x1vybqV9Kd\n" +
+            "lcjuV7SYDlbvAS9w7TcygudhdW0cI8XTCvesGKohBkAlqaQ/MWYpt4WvsxHjbWgn\n" +
+            "5ZlIYR6A1ZFEjADifViH/5AA79lgGhAskkIWPjvRFalEVKTKtjhRK76eCfZs4Frr\n" +
+            "CEOpon+BeNKk+x/K/r10dSoWe0SV2uGVxTD83zkP++eREwo1hTgn8bXn7ftlnA3j\n" +
+            "7ml+Usz6udaD\n" +
+            "-----END CERTIFICATE-----";
+
+    // Owner: CN=usertrustrsacertificationauthority-ev.comodoca.com, OU=COMODO EV SGC SSL, O=Sectigo Limited,
+    // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
+    // ST=Greater Manchester, OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization,
     // OID.1.3.6.1.4.1.311.60.2.1.3=GB, SERIALNUMBER=04058690
     // Issuer: CN=USERTrust RSA Extended Validation Secure Server CA, O=The USERTRUST Network, L=Jersey City,
     // ST=New Jersey, C=US
     // Serial number: d3c204e8df6a1539568cf15e97e57b1d
     // Valid from: Wed Nov 28 16:00:00 PST 2018 until: Fri Feb 26 15:59:59 PST 2021
-    private static final String VALID = "-----BEGIN CERTIFICATE-----\n" +
+    private static final String REVOKED = "-----BEGIN CERTIFICATE-----\n" +
             "MIIIADCCBuigAwIBAgIRANPCBOjfahU5VozxXpflex0wDQYJKoZIhvcNAQELBQAw\n" +
             "gZUxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpOZXcgSmVyc2V5MRQwEgYDVQQHEwtK\n" +
             "ZXJzZXkgQ2l0eTEeMBwGA1UEChMVVGhlIFVTRVJUUlVTVCBOZXR3b3JrMTswOQYD\n" +
@@ -463,81 +557,56 @@
             "3Ld31zbQaywKdpCsT74/hEBMfcDiP02mmtyrlqHD4R3tdYne\n" +
             "-----END CERTIFICATE-----";
 
-    // Owner: CN=usertrustrsacertificationauthority-ev.comodoca.com, OU=COMODO EV SGC SSL, O=COMODO CA Limited,
-    // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
-    // ST=Greater Manchester, OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization,
-    // OID.1.3.6.1.4.1.311.60.2.1.3=GB, SERIALNUMBER=04058690
-    // Issuer: CN=USERTrust RSA Extended Validation Secure Server CA, O=The USERTRUST Network, L=Jersey City,
-    // ST=New Jersey, C=US
-    // Serial number: ffcada019c9fb1155a32300083cb99c9
-    // Valid from: Mon Jul 03 17:00:00 PDT 2017 until: Thu Oct 03 16:59:59 PDT 2019
-    private static final String REVOKED = "-----BEGIN CERTIFICATE-----\n" +
-            "MIIIATCCBumgAwIBAgIRAP/K2gGcn7EVWjIwAIPLmckwDQYJKoZIhvcNAQELBQAw\n" +
-            "gZUxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpOZXcgSmVyc2V5MRQwEgYDVQQHEwtK\n" +
-            "ZXJzZXkgQ2l0eTEeMBwGA1UEChMVVGhlIFVTRVJUUlVTVCBOZXR3b3JrMTswOQYD\n" +
-            "VQQDEzJVU0VSVHJ1c3QgUlNBIEV4dGVuZGVkIFZhbGlkYXRpb24gU2VjdXJlIFNl\n" +
-            "cnZlciBDQTAeFw0xNzA3MDQwMDAwMDBaFw0xOTEwMDMyMzU5NTlaMIIBYDERMA8G\n" +
-            "A1UEBRMIMDQwNTg2OTAxEzARBgsrBgEEAYI3PAIBAxMCR0IxHTAbBgNVBA8TFFBy\n" +
-            "aXZhdGUgT3JnYW5pemF0aW9uMQswCQYDVQQGEwJHQjEPMA0GA1UEERMGTTUgM0VR\n" +
-            "MRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQx\n" +
-            "FjAUBgNVBAkTDVRyYWZmb3JkIFJvYWQxFjAUBgNVBAkTDUV4Y2hhbmdlIFF1YXkx\n" +
-            "JTAjBgNVBAkTHDNyZCBGbG9vciwgMjYgT2ZmaWNlIFZpbGxhZ2UxGjAYBgNVBAoT\n" +
-            "EUNPTU9ETyBDQSBMaW1pdGVkMRowGAYDVQQLExFDT01PRE8gRVYgU0dDIFNTTDE7\n" +
-            "MDkGA1UEAxMydXNlcnRydXN0cnNhY2VydGlmaWNhdGlvbmF1dGhvcml0eS1ldi5j\n" +
-            "b21vZG9jYS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCeH+vF\n" +
-            "6JjCktrrnV4u8adH5ESuENaRNm2plwfD07Lskva4QvIQ9sz6/RrPjRwEdLRtBkll\n" +
-            "taZc26QxQxLAhvjPu3w5eXHP26/ES5++WoGXip4L/PcukUFFEcR6ujfIYpXCSh7V\n" +
-            "o/Y+rtR2L7uLt5Vll0DW2JzFlaj9QFT2bBsg5ip//jHNnobz3WEpv40C64R/Ebna\n" +
-            "9dmXyh0xOF8e4OWR9LudkxAFo7jQol5IQGGv7lMhLt3u1ZbJ78XqgRDT50cGIX0/\n" +
-            "JnV1eg7xq57/zSY/7QUxhOZEWwoeB7pmOiN8f1wuVHmROq0/lOqHkYFDjOne7IgE\n" +
-            "FTrKUqn080eR7AZRAgMBAAGjggN8MIIDeDAfBgNVHSMEGDAWgBQvgU/iZvq8aL+Z\n" +
-            "Q4RSiSA6gvOkpTAdBgNVHQ4EFgQUfPty8OfUth7Yz7PimXBCfuu33fwwDgYDVR0P\n" +
-            "AQH/BAQDAgWgMAwGA1UdEwEB/wQCMAAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG\n" +
-            "AQUFBwMCMEsGA1UdIAREMEIwNwYMKwYBBAGyMQECAQUBMCcwJQYIKwYBBQUHAgEW\n" +
-            "GWh0dHBzOi8vY3BzLnVzZXJ0cnVzdC5jb20wBwYFZ4EMAQEwWgYDVR0fBFMwUTBP\n" +
-            "oE2gS4ZJaHR0cDovL2NybC51c2VydHJ1c3QuY29tL1VTRVJUcnVzdFJTQUV4dGVu\n" +
-            "ZGVkVmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNybDCBjQYIKwYBBQUHAQEEgYAw\n" +
-            "fjBVBggrBgEFBQcwAoZJaHR0cDovL2NydC51c2VydHJ1c3QuY29tL1VTRVJUcnVz\n" +
-            "dFJTQUV4dGVuZGVkVmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNydDAlBggrBgEF\n" +
-            "BQcwAYYZaHR0cDovL29jc3AudXNlcnRydXN0LmNvbTA9BgNVHREENjA0gjJ1c2Vy\n" +
-            "dHJ1c3Ryc2FjZXJ0aWZpY2F0aW9uYXV0aG9yaXR5LWV2LmNvbW9kb2NhLmNvbTCC\n" +
-            "AX8GCisGAQQB1nkCBAIEggFvBIIBawFpAHYApLkJkLQYWBSHuxOizGdwCjw1mAT5\n" +
-            "G9+443fNDsgN3BAAAAFdDU2iYQAABAMARzBFAiB0o4GnVHD8MeVQ32D0XYu+EQQW\n" +
-            "jvN78rmCfk0OEBxyFAIhAKgyctIn0IaDJiZzsrtAiqEnkcMtuh8o+R0Rqw1ygAjk\n" +
-            "AHcAVhQGmi/XwuzT9eG9RLI+x0Z2ubyZEVzA75SYVdaJ0N0AAAFdDU2gFgAABAMA\n" +
-            "SDBGAiEA7mcmZ8H5uHuNCdI0CVxsqDZQcZX/gVk94KckePkzQoACIQCHwm5hcvNC\n" +
-            "M8vNmFkboQN79DglRctHrlh143A6mUTk8QB2AO5Lvbd1zmC64UJpH6vhnmajD35f\n" +
-            "sHLYgwDEe4l6qP3LAAABXQ1NojoAAAQDAEcwRQIhAPqwijgE0Fr6uJ+yF+TvyXco\n" +
-            "Hduv9h7R5WWwJfghXiMyAiBB4+fJm4rIcOnJBZmOqFnRpIjPN0jwDqJT0nDHxaXA\n" +
-            "nDANBgkqhkiG9w0BAQsFAAOCAQEACXitF1bTEvV1HX11WrT/XuoMhsoPK4TS16rs\n" +
-            "FqztV4iXKlA1/h5qbsjYY1gVrM+/6kQkmEs5qrxsek2WNxY80NO3WAzroRJ3H9Sd\n" +
-            "mPn0No2P8LZ5Fs5hvaD/PfWO5xxey80c3kGyvWOej90P3IrL/1RiULyh95TrXBjI\n" +
-            "ddCBsZ28904wsQUrPBPMpiu0DKl1HR/em9WkcipMi+onJxxFWjucssz5PW/BzGYF\n" +
-            "jfWLDEI0tN5L4CWV3iVXFXOURY1Mwhtsey9jvlEyxSsys55QdKF40yGgtV9VC+os\n" +
-            "7hJP33+qA0cvCTaRytiPP6z/l2G/KSIXTyv6SxzGhsTFfzLAOg==\n" +
-            "-----END CERTIFICATE-----";
-
     public void runTest(ValidatePathWithParams pathValidator) throws Exception {
         // Validate valid
-        pathValidator.validate(new String[]{VALID, INT},
+        pathValidator.validate(new String[]{VALID, INT_VALID},
                 ValidatePathWithParams.Status.GOOD, null, System.out);
 
         // Validate Revoked
-        pathValidator.validate(new String[]{REVOKED, INT},
+        pathValidator.validate(new String[]{REVOKED, INT_REVOKED},
                 ValidatePathWithParams.Status.REVOKED,
-                "Thu Nov 29 10:58:13 PST 2018", System.out);
+                "Wed Oct 02 06:07:12 PDT 2019", System.out);
     }
 }
 
 class ComodoUserTrustECC {
 
+    // Owner: CN=Sectigo ECC Extended Validation Secure Server CA, O=Sectigo Limited, L=Salford,
+    // ST=Greater Manchester, C=GB
+    // Issuer: CN=USERTrust ECC Certification Authority, O=The USERTRUST Network, L=Jersey City, ST=New Jersey, C=US
+    // Serial number: 80f5606d3a162b143adc12fbe8c2066f
+    // Valid from: Thu Nov 01 17:00:00 PDT 2018 until: Tue Dec 31 15:59:59 PST 2030
+    private static final String INT_VALID = "-----BEGIN CERTIFICATE-----\n" +
+            "MIIDyTCCA0+gAwIBAgIRAID1YG06FisUOtwS++jCBm8wCgYIKoZIzj0EAwMwgYgx\n" +
+            "CzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpOZXcgSmVyc2V5MRQwEgYDVQQHEwtKZXJz\n" +
+            "ZXkgQ2l0eTEeMBwGA1UEChMVVGhlIFVTRVJUUlVTVCBOZXR3b3JrMS4wLAYDVQQD\n" +
+            "EyVVU0VSVHJ1c3QgRUNDIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTE4MTEw\n" +
+            "MjAwMDAwMFoXDTMwMTIzMTIzNTk1OVowgZExCzAJBgNVBAYTAkdCMRswGQYDVQQI\n" +
+            "ExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQxGDAWBgNVBAoT\n" +
+            "D1NlY3RpZ28gTGltaXRlZDE5MDcGA1UEAxMwU2VjdGlnbyBFQ0MgRXh0ZW5kZWQg\n" +
+            "VmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENBMFkwEwYHKoZIzj0CAQYIKoZIzj0D\n" +
+            "AQcDQgAEAyJ5Ca9JyXq8bO+krLVWysbtm7fdMSJ54uFD23t0x6JAC4IjxevfQJzW\n" +
+            "z4T6yY+FybTBqtOa++ijJFnkB5wKy6OCAY0wggGJMB8GA1UdIwQYMBaAFDrhCYbU\n" +
+            "zxnClnZ0SXbc4DXGY2OaMB0GA1UdDgQWBBTvwSqVDDLa+3Mw3IoT2BVL9xPo+DAO\n" +
+            "BgNVHQ8BAf8EBAMCAYYwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHSUEFjAUBggr\n" +
+            "BgEFBQcDAQYIKwYBBQUHAwIwOgYDVR0gBDMwMTAvBgRVHSAAMCcwJQYIKwYBBQUH\n" +
+            "AgEWGWh0dHBzOi8vY3BzLnVzZXJ0cnVzdC5jb20wUAYDVR0fBEkwRzBFoEOgQYY/\n" +
+            "aHR0cDovL2NybC51c2VydHJ1c3QuY29tL1VTRVJUcnVzdEVDQ0NlcnRpZmljYXRp\n" +
+            "b25BdXRob3JpdHkuY3JsMHYGCCsGAQUFBwEBBGowaDA/BggrBgEFBQcwAoYzaHR0\n" +
+            "cDovL2NydC51c2VydHJ1c3QuY29tL1VTRVJUcnVzdEVDQ0FkZFRydXN0Q0EuY3J0\n" +
+            "MCUGCCsGAQUFBzABhhlodHRwOi8vb2NzcC51c2VydHJ1c3QuY29tMAoGCCqGSM49\n" +
+            "BAMDA2gAMGUCMQCjHztBDL90GCRXHlGqm0H7kzP04hd0MxwakKjWzOmstXNFLONj\n" +
+            "RFa0JqI/iKUJMFcCMCbLgyzcFW7DihtY5XE0XCLCw+git0NjxiFB6FaOFIlyDdqT\n" +
+            "j+Th+DJ92JLvICVD/g==\n" +
+            "-----END CERTIFICATE-----";
+
     // Owner: CN=USERTrust ECC Extended Validation Secure Server CA, O=The USERTRUST Network,
     // L=Jersey City, ST=New Jersey, C=US
     // Issuer: CN=USERTrust ECC Certification Authority, O=The USERTRUST Network,
     // L=Jersey City, ST=New Jersey, C=US
     // Serial number: 3d09b24f5c08a7ce8eb85a51d3c1aa52
     // Valid from: Sun Apr 14 17:00:00 PDT 2013 until: Fri Apr 14 16:59:59 PDT 2028
-    private static final String INT = "-----BEGIN CERTIFICATE-----\n"
+    private static final String INT_REVOKED = "-----BEGIN CERTIFICATE-----\n"
             + "MIIDwTCCA0igAwIBAgIQPQmyT1wIp86OuFpR08GqUjAKBggqhkjOPQQDAzCBiDEL\n"
             + "MAkGA1UEBhMCVVMxEzARBgNVBAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0plcnNl\n"
             + "eSBDaXR5MR4wHAYDVQQKExVUaGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNVBAMT\n"
@@ -563,13 +632,58 @@
 
     // Owner: CN=usertrustecccertificationauthority-ev.comodoca.com, OU=COMODO EV SGC SSL, O=Sectigo Limited,
     // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
+    // OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization, OID.1.3.6.1.4.1.311.60.2.1.3=GB,
+    // SERIALNUMBER=04058690
+    // Issuer: CN=Sectigo ECC Extended Validation Secure Server CA, O=Sectigo Limited, L=Salford,
+    // ST=Greater Manchester, C=GB
+    // Serial number: 8b72489b7f505a55e2a22659c90ed2ab
+    // Valid from: Sun Sep 29 17:00:00 PDT 2019 until: Tue Dec 28 15:59:59 PST 2021
+    private static final String VALID = "-----BEGIN CERTIFICATE-----\n" +
+            "MIIGRTCCBeugAwIBAgIRAItySJt/UFpV4qImWckO0qswCgYIKoZIzj0EAwIwgZEx\n" +
+            "CzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAOBgNV\n" +
+            "BAcTB1NhbGZvcmQxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE5MDcGA1UEAxMw\n" +
+            "U2VjdGlnbyBFQ0MgRXh0ZW5kZWQgVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB\n" +
+            "MB4XDTE5MDkzMDAwMDAwMFoXDTIxMTIyODIzNTk1OVowggFBMREwDwYDVQQFEwgw\n" +
+            "NDA1ODY5MDETMBEGCysGAQQBgjc8AgEDEwJHQjEdMBsGA1UEDxMUUHJpdmF0ZSBP\n" +
+            "cmdhbml6YXRpb24xCzAJBgNVBAYTAkdCMQ8wDQYDVQQREwZNNSAzRVExEDAOBgNV\n" +
+            "BAcTB1NhbGZvcmQxFjAUBgNVBAkTDVRyYWZmb3JkIFJvYWQxFjAUBgNVBAkTDUV4\n" +
+            "Y2hhbmdlIFF1YXkxJTAjBgNVBAkTHDNyZCBGbG9vciwgMjYgT2ZmaWNlIFZpbGxh\n" +
+            "Z2UxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDEaMBgGA1UECxMRQ09NT0RPIEVW\n" +
+            "IFNHQyBTU0wxOzA5BgNVBAMTMnVzZXJ0cnVzdGVjY2NlcnRpZmljYXRpb25hdXRo\n" +
+            "b3JpdHktZXYuY29tb2RvY2EuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE\n" +
+            "LTJfEd92Wlg+h/AVtPsMmwX9Puvi+WGCv3sgFRpur8Iy2kGVpXHRQTCn2j9aky4t\n" +
+            "FQGm7OG2klJA/MEeevKVaaOCA28wggNrMB8GA1UdIwQYMBaAFO/BKpUMMtr7czDc\n" +
+            "ihPYFUv3E+j4MB0GA1UdDgQWBBSzrWHzmiHwx2Rrm7SjRC0UegNrKzAOBgNVHQ8B\n" +
+            "Af8EBAMCB4AwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB\n" +
+            "BQUHAwIwSQYDVR0gBEIwQDA1BgwrBgEEAbIxAQIBBQEwJTAjBggrBgEFBQcCARYX\n" +
+            "aHR0cHM6Ly9zZWN0aWdvLmNvbS9DUFMwBwYFZ4EMAQEwVgYDVR0fBE8wTTBLoEmg\n" +
+            "R4ZFaHR0cDovL2NybC5zZWN0aWdvLmNvbS9TZWN0aWdvRUNDRXh0ZW5kZWRWYWxp\n" +
+            "ZGF0aW9uU2VjdXJlU2VydmVyQ0EuY3JsMIGGBggrBgEFBQcBAQR6MHgwUQYIKwYB\n" +
+            "BQUHMAKGRWh0dHA6Ly9jcnQuc2VjdGlnby5jb20vU2VjdGlnb0VDQ0V4dGVuZGVk\n" +
+            "VmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNydDAjBggrBgEFBQcwAYYXaHR0cDov\n" +
+            "L29jc3Auc2VjdGlnby5jb20wPQYDVR0RBDYwNIIydXNlcnRydXN0ZWNjY2VydGlm\n" +
+            "aWNhdGlvbmF1dGhvcml0eS1ldi5jb21vZG9jYS5jb20wggF/BgorBgEEAdZ5AgQC\n" +
+            "BIIBbwSCAWsBaQB2AO5Lvbd1zmC64UJpH6vhnmajD35fsHLYgwDEe4l6qP3LAAAB\n" +
+            "bYL/SJoAAAQDAEcwRQIhAL7EJt/Rgz6NBnx2v8Hevux3Gpcxy64kaeyLVgFeNqFk\n" +
+            "AiBRf+OWLOtZzEav/oERljrk8hgZB4CR1nj/Tn98cmRrwwB2AFWB1MIWkDYBSuoL\n" +
+            "m1c8U/DA5Dh4cCUIFy+jqh0HE9MMAAABbYL/SIgAAAQDAEcwRQIgVtZZaiBMC2lu\n" +
+            "atBzUHQmOq4qrUQP7nS83cd3VzPhToECIQDnlpOCdaxJwr8C0MtkvYpKSabwBPFL\n" +
+            "ASEkwmOpjuQErAB3ALvZ37wfinG1k5Qjl6qSe0c4V5UKq1LoGpCWZDaOHtGFAAAB\n" +
+            "bYL/SJoAAAQDAEgwRgIhAI8OgzP/kzF1bOJRHU2S/ewij/6HpGPy7Mbm7Hyuv3IU\n" +
+            "AiEAxDmX2FmORlgeerQmQ+ar3D9/TwA9RQckVDu5IrgweREwCgYIKoZIzj0EAwID\n" +
+            "SAAwRQIhAPwQWGWd3oR7YJ7ngCDQ9TAbdPgND51SiR34WfEgaTQtAiAxD4umKm02\n" +
+            "59GEMj5NpyF2ZQEq5mEGcjJNojrn+PC4zg==\n" +
+            "-----END CERTIFICATE-----";
+
+    // Owner: CN=usertrustecccertificationauthority-ev.comodoca.com, OU=COMODO EV SGC SSL, O=Sectigo Limited,
+    // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
     // ST=Greater Manchester, OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization,
     // OID.1.3.6.1.4.1.311.60.2.1.3=GB, SERIALNUMBER=04058690
     // Issuer: CN=USERTrust ECC Extended Validation Secure Server CA, O=The USERTRUST Network, L=Jersey City,
     // ST=New Jersey, C=US
     // Serial number: ab1455f9833ae7783f95de8744181f6a
     // Valid from: Wed Nov 28 16:00:00 PST 2018 until: Fri Feb 26 15:59:59 PST 2021
-    private static final String VALID = "-----BEGIN CERTIFICATE-----\n" +
+    private static final String REVOKED = "-----BEGIN CERTIFICATE-----\n" +
             "MIIGhjCCBiygAwIBAgIRAKsUVfmDOud4P5Xeh0QYH2owCgYIKoZIzj0EAwIwgZUx\n" +
             "CzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpOZXcgSmVyc2V5MRQwEgYDVQQHEwtKZXJz\n" +
             "ZXkgQ2l0eTEeMBwGA1UEChMVVGhlIFVTRVJUUlVTVCBOZXR3b3JrMTswOQYDVQQD\n" +
@@ -607,60 +721,14 @@
             "11EPtBSCEhUCIBcyI0yl5dRff6+4x8IeCrLiAOYsfzM7Y/a5uRKFnbYz\n" +
             "-----END CERTIFICATE-----";
 
-    // Owner: CN=usertrustecccertificationauthority-ev.comodoca.com, OU=COMODO EV SGC SSL, O=COMODO CA Limited,
-    // STREET="3rd Floor, 26 Office Village", STREET=Exchange Quay, STREET=Trafford Road, L=Salford,
-    // ST=Greater Manchester, OID.2.5.4.17=M5 3EQ, C=GB, OID.2.5.4.15=Private Organization,
-    // OID.1.3.6.1.4.1.311.60.2.1.3=GB, SERIALNUMBER=04058690
-    // Issuer: CN=USERTrust ECC Extended Validation Secure Server CA, O=The USERTRUST Network, L=Jersey City,
-    // ST=New Jersey, C=US
-    // Serial number: 9bd0c93cac9ca2edc1a7dd923316b3c6
-    // Valid from: Mon Jul 03 17:00:00 PDT 2017 until: Thu Oct 03 16:59:59 PDT 2019
-    private static final String REVOKED = "-----BEGIN CERTIFICATE-----\n" +
-            "MIIGhzCCBi2gAwIBAgIRAJvQyTysnKLtwafdkjMWs8YwCgYIKoZIzj0EAwIwgZUx\n" +
-            "CzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpOZXcgSmVyc2V5MRQwEgYDVQQHEwtKZXJz\n" +
-            "ZXkgQ2l0eTEeMBwGA1UEChMVVGhlIFVTRVJUUlVTVCBOZXR3b3JrMTswOQYDVQQD\n" +
-            "EzJVU0VSVHJ1c3QgRUNDIEV4dGVuZGVkIFZhbGlkYXRpb24gU2VjdXJlIFNlcnZl\n" +
-            "ciBDQTAeFw0xNzA3MDQwMDAwMDBaFw0xOTEwMDMyMzU5NTlaMIIBYDERMA8GA1UE\n" +
-            "BRMIMDQwNTg2OTAxEzARBgsrBgEEAYI3PAIBAxMCR0IxHTAbBgNVBA8TFFByaXZh\n" +
-            "dGUgT3JnYW5pemF0aW9uMQswCQYDVQQGEwJHQjEPMA0GA1UEERMGTTUgM0VRMRsw\n" +
-            "GQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQxFjAU\n" +
-            "BgNVBAkTDVRyYWZmb3JkIFJvYWQxFjAUBgNVBAkTDUV4Y2hhbmdlIFF1YXkxJTAj\n" +
-            "BgNVBAkTHDNyZCBGbG9vciwgMjYgT2ZmaWNlIFZpbGxhZ2UxGjAYBgNVBAoTEUNP\n" +
-            "TU9ETyBDQSBMaW1pdGVkMRowGAYDVQQLExFDT01PRE8gRVYgU0dDIFNTTDE7MDkG\n" +
-            "A1UEAxMydXNlcnRydXN0ZWNjY2VydGlmaWNhdGlvbmF1dGhvcml0eS1ldi5jb21v\n" +
-            "ZG9jYS5jb20wWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAQtMl8R33ZaWD6H8BW0\n" +
-            "+wybBf0+6+L5YYK/eyAVGm6vwjLaQZWlcdFBMKfaP1qTLi0VAabs4baSUkD8wR56\n" +
-            "8pVpo4IDjjCCA4owHwYDVR0jBBgwFoAUKpxa+U6hMNpASyvpS/H1nNwC+S4wHQYD\n" +
-            "VR0OBBYEFLOtYfOaIfDHZGubtKNELRR6A2srMA4GA1UdDwEB/wQEAwIFgDAMBgNV\n" +
-            "HRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBQBgNVHSAE\n" +
-            "STBHMDwGDCsGAQQBsjEBAgEFATAsMCoGCCsGAQUFBwIBFh5odHRwczovL2Nwcy50\n" +
-            "cnVzdC1wcm92aWRlci5jb20wBwYFZ4EMAQEwXwYDVR0fBFgwVjBUoFKgUIZOaHR0\n" +
-            "cDovL2NybC50cnVzdC1wcm92aWRlci5jb20vVVNFUlRydXN0RUNDRXh0ZW5kZWRW\n" +
-            "YWxpZGF0aW9uU2VjdXJlU2VydmVyQ0EuY3JsMIGYBggrBgEFBQcBAQSBizCBiDBa\n" +
-            "BggrBgEFBQcwAoZOaHR0cDovL2NydC50cnVzdC1wcm92aWRlci5jb20vVVNFUlRy\n" +
-            "dXN0RUNDRXh0ZW5kZWRWYWxpZGF0aW9uU2VjdXJlU2VydmVyQ0EuY3J0MCoGCCsG\n" +
-            "AQUFBzABhh5odHRwOi8vb2NzcC50cnVzdC1wcm92aWRlci5jb20wPQYDVR0RBDYw\n" +
-            "NIIydXNlcnRydXN0ZWNjY2VydGlmaWNhdGlvbmF1dGhvcml0eS1ldi5jb21vZG9j\n" +
-            "YS5jb20wggF8BgorBgEEAdZ5AgQCBIIBbASCAWgBZgB1AKS5CZC0GFgUh7sTosxn\n" +
-            "cAo8NZgE+RvfuON3zQ7IDdwQAAABXQ0/jQ0AAAQDAEYwRAIgPbaNWgoi6OfyNwL2\n" +
-            "+jiySsoLrkx+0d4NJE1WnZQcfzwCICW4yvsXaMxoOXpQp3EPgrYk5Ajfvy/dY3Ui\n" +
-            "0/dbQtHxAHYAVhQGmi/XwuzT9eG9RLI+x0Z2ubyZEVzA75SYVdaJ0N0AAAFdDT+K\n" +
-            "xwAABAMARzBFAiB3GQasrX+akoHX02ZvXCcvhWCqv6qQOhLCUqflPoRbuAIhALwe\n" +
-            "hrQo8S1Tm5vbMcxGiViq5ZcawxENWhxZ9hS0BZweAHUA7ku9t3XOYLrhQmkfq+Ge\n" +
-            "ZqMPfl+wctiDAMR7iXqo/csAAAFdDT+M4AAABAMARjBEAiAjvp8w/fdTVW1VGE0T\n" +
-            "I0YcCIXTYFDgzUMsEUiKHANAgwIgETQUcac7Hiis2fgQ+GdGF9yuh+xMo2Z8QXNu\n" +
-            "1Cknf+8wCgYIKoZIzj0EAwIDSAAwRQIgQ5UiUI7xodmmMYNs3CmqlZHw/04BQRAR\n" +
-            "4gRm7blZSIMCIQDHvIWTaPzSO6vwVzs6wSD6FqebLiFxoddC6aZG8Nm0wQ==\n" +
-            "-----END CERTIFICATE-----";
-
     public void runTest(ValidatePathWithParams pathValidator) throws Exception {
         // Validate valid
-        pathValidator.validate(new String[]{VALID, INT},
+        pathValidator.validate(new String[]{VALID, INT_VALID},
                 ValidatePathWithParams.Status.GOOD, null, System.out);
 
         // Validate Revoked
-        pathValidator.validate(new String[]{REVOKED, INT},
+        pathValidator.validate(new String[]{REVOKED, INT_REVOKED},
                 ValidatePathWithParams.Status.REVOKED,
-                "Thu Nov 29 10:06:00 PST 2018", System.out);
+                "Wed Oct 02 06:06:50 PDT 2019", System.out);
     }
 }
--- a/test/jdk/sun/security/pkcs11/Cipher/TestGCMKeyAndIvCheck.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/sun/security/pkcs11/Cipher/TestGCMKeyAndIvCheck.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 8080462
+ * @bug 8080462 8229243
  * @library /test/lib ..
  * @modules jdk.crypto.cryptoki
  * @run main TestGCMKeyAndIvCheck
@@ -81,6 +81,7 @@
                     ", no support for " + mode);
             return;
         }
+        System.out.println("Testing against " + p.getName());
         SecretKey key = new SecretKeySpec(new byte[16], "AES");
         // First try parameter-less init.
         c.init(Cipher.ENCRYPT_MODE, key);
@@ -111,12 +112,11 @@
             throw new Exception("Parameters contains incorrect IV value");
         }
 
-        // Should be ok to use the same key+iv for decryption
         c.init(Cipher.DECRYPT_MODE, key, params);
         c.updateAAD(AAD);
         byte[] recovered = c.doFinal(ctPlusTag);
         if (!Arrays.equals(recovered, PT)) {
-            throw new Exception("decryption result mismatch");
+            throw new Exception("Decryption result mismatch");
         }
 
         // Now try to encrypt again using the same key+iv; should fail also
@@ -125,6 +125,7 @@
             throw new Exception("Should throw exception when same key+iv is used");
         } catch (InvalidAlgorithmParameterException iape) {
             // expected
+            System.out.println("Expected IAPE thrown");
         }
 
         // Now try to encrypt again using parameter-less init; should work
@@ -138,7 +139,8 @@
         }
 
         // Now try to encrypt again using a different parameter; should work
-        AlgorithmParameterSpec spec2 = new GCMParameterSpec(128, new byte[30]);
+        AlgorithmParameterSpec spec2 = new GCMParameterSpec(128,
+            "Solaris PKCS11 lib does not allow all-zero IV".getBytes());
         c.init(Cipher.ENCRYPT_MODE, key, spec2);
         c.updateAAD(AAD);
         c.doFinal(PT);
@@ -154,7 +156,7 @@
         c.updateAAD(AAD);
         recovered = c.doFinal(ctPlusTag);
         if (!Arrays.equals(recovered, PT)) {
-            throw new Exception("decryption result mismatch");
+            throw new Exception("Decryption result mismatch");
         }
 
         // Now try decryption again and re-init using the same parameters
--- a/test/jdk/sun/security/util/FilePermCompat/Flag.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jdk/sun/security/util/FilePermCompat/Flag.java	Wed Oct 16 15:31:05 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,22 +23,84 @@
 
 /*
  * @test
- * @bug 8164705
+ * @bug 8164705 8209901
+ * @library /test/jdk/java/security/testlibrary
+ * @modules java.base/jdk.internal.misc
  * @summary check jdk.filepermission.canonicalize
- * @run main/othervm/policy=flag.policy
-  *     -Djdk.io.permissionsUseCanonicalPath=true Flag true true
- * @run main/othervm/policy=flag.policy
-  *     -Djdk.io.permissionsUseCanonicalPath=false Flag false true
- * @run main/othervm/policy=flag.policy Flag false true
  */
 
 import java.io.File;
 import java.io.FilePermission;
 import java.lang.*;
+import java.nio.file.Path;
 
 public class Flag {
     public static void main(String[] args) throws Exception {
 
+        if (args.length == 0) {
+            String policy = Path.of(
+                    System.getProperty("test.src"), "flag.policy").toString();
+
+            // effectively true
+            Proc.create("Flag")
+                    .prop("java.security.manager", "")
+                    .prop("java.security.policy", policy)
+                    .prop("jdk.io.permissionsUseCanonicalPath", "true")
+                    .args("run", "true", "true")
+                    .start()
+                    .waitFor(0);
+            Proc.create("Flag")
+                    .prop("java.security.manager", "")
+                    .prop("java.security.policy", policy)
+                    .secprop("jdk.io.permissionsUseCanonicalPath", "true")
+                    .args("run", "true", "true")
+                    .start()
+                    .waitFor(0);
+            Proc.create("Flag")
+                    .prop("java.security.manager", "")
+                    .prop("java.security.policy", policy)
+                    .secprop("jdk.io.permissionsUseCanonicalPath", "false")
+                    .prop("jdk.io.permissionsUseCanonicalPath", "true")
+                    .args("run", "true", "true")
+                    .start()
+                    .waitFor(0);
+
+            // effectively false
+            Proc.create("Flag")
+                    .prop("java.security.manager", "")
+                    .prop("java.security.policy", policy)
+                    .prop("jdk.io.permissionsUseCanonicalPath", "false")
+                    .args("run", "false", "true")
+                    .start()
+                    .waitFor(0);
+            Proc.create("Flag")
+                    .prop("java.security.manager", "")
+                    .prop("java.security.policy", policy)
+                    .secprop("jdk.io.permissionsUseCanonicalPath", "false")
+                    .args("run", "false", "true")
+                    .start()
+                    .waitFor(0);
+            Proc.create("Flag")
+                    .prop("java.security.manager", "")
+                    .prop("java.security.policy", policy)
+                    .secprop("jdk.io.permissionsUseCanonicalPath", "true")
+                    .prop("jdk.io.permissionsUseCanonicalPath", "false")
+                    .args("run", "false", "true")
+                    .start()
+                    .waitFor(0);
+            Proc.create("Flag")
+                    .prop("java.security.manager", "")
+                    .prop("java.security.policy", policy)
+                    .args("run", "false", "true")
+                    .start()
+                    .waitFor(0);
+        } else {
+            run(args);
+        }
+    }
+
+    static void run(String[] args) throws Exception {
+
         boolean test1;
         boolean test2;
 
@@ -55,8 +117,8 @@
             test2 = false;
         }
 
-        if (test1 != Boolean.parseBoolean(args[0]) ||
-                test2 != Boolean.parseBoolean(args[1])) {
+        if (test1 != Boolean.parseBoolean(args[1]) ||
+                test2 != Boolean.parseBoolean(args[2])) {
             throw new Exception("Test failed: " + test1 + " " + test2);
         }
     }
--- a/test/jtreg-ext/requires/VMProps.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/jtreg-ext/requires/VMProps.java	Wed Oct 16 15:31:05 2019 +0200
@@ -305,6 +305,7 @@
      */
     protected void vmOptFinalFlags(SafeMap map) {
         vmOptFinalFlag(map, "ClassUnloading");
+        vmOptFinalFlag(map, "ClassUnloadingWithConcurrentMark");
         vmOptFinalFlag(map, "UseCompressedOops");
         vmOptFinalFlag(map, "EnableJVMCI");
         vmOptFinalFlag(map, "EliminateAllocations");
--- a/test/langtools/jdk/javadoc/tool/TestScriptInComment.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/langtools/jdk/javadoc/tool/TestScriptInComment.java	Wed Oct 16 15:31:05 2019 +0200
@@ -23,7 +23,7 @@
 
 /**
  * @test
- * @bug 8138725
+ * @bug 8138725 8226765
  * @summary test --allow-script-in-comments
  * @modules jdk.javadoc/jdk.javadoc.internal.tool
  */
@@ -63,6 +63,10 @@
         WS("< script >#ALERT</script>", false, "-Xdoclint:none"), // script tag with invalid white space
         SP("<script src=\"file\"> #ALERT </script>", true), // script tag with an attribute
         ON("<a onclick='#ALERT'>x</a>", true), // event handler attribute
+        OME("<img alt='1' onmouseenter='#ALERT'>", true), // onmouseenter event handler attribute
+        OML("<img alt='1' onmouseleave='#ALERT'>", true), // onmouseleave event handler attribute
+        OFI("<a href='#' onfocusin='#ALERT'>x</a>", true), // onfocusin event handler attribute
+        OBE("<a onbogusevent='#ALERT'>x</a>", true), // bogus/future event handler attribute
         URI("<a href='javascript:#ALERT'>x</a>", true); // javascript URI
 
         /**
--- a/test/langtools/tools/javac/lib/DPrinter.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/langtools/tools/javac/lib/DPrinter.java	Wed Oct 16 15:31:05 2019 +0200
@@ -437,7 +437,8 @@
         Scope scope = (Scope) getField(e, e.getClass(), "scope");
         return "(" + sym.name + ":" + sym
                 + ",shdw:" + entryToString(callMethod(e, e.getClass(), "next"), table, true)
-                + ",sibl:" + entryToString(getField(e, e.getClass(), "sibling"), table, true)
+                + ",nextSibling:" + entryToString(getField(e, e.getClass(), "nextSibling"), table, true)
+                + ",prevSibling:" + entryToString(getField(e, e.getClass(), "prevSibling"), table, true)
                 + ((sym.owner != scope.owner)
                     ? (",BOGUS[" + sym.owner + "," + scope.owner + "]")
                     : "")
--- a/test/langtools/tools/javac/scope/RemoveSymbolUnitTest.java	Mon Oct 07 16:48:42 2019 +0200
+++ b/test/langtools/tools/javac/scope/RemoveSymbolUnitTest.java	Wed Oct 16 15:31:05 2019 +0200
@@ -33,8 +33,13 @@
 import com.sun.tools.javac.util.*;
 import com.sun.tools.javac.code.*;
 import com.sun.tools.javac.code.Scope.*;
+import com.sun.tools.javac.code.Symbol;
 import com.sun.tools.javac.code.Symbol.*;
 import com.sun.tools.javac.file.JavacFileManager;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 
 public class RemoveSymbolUnitTest {
 
@@ -63,36 +68,66 @@
 
         // Try enter and remove in different shuffled combinations.
         // working with fresh scope each time.
-        WriteableScope cs = WriteableScope.create(clazz);
-        cs.enter(v);
-        cs.enter(m);
+        WriteableScope cs = writeableScope(clazz, v, m);
         cs.remove(v);
         Symbol s = cs.findFirst(hasNext);
         if (s != m)
             throw new AssertionError("Wrong symbol");
 
-        cs = WriteableScope.create(clazz);
-        cs.enter(m);
-        cs.enter(v);
+        cs = writeableScope(clazz, m, v);
         cs.remove(v);
         s = cs.findFirst(hasNext);
         if (s != m)
             throw new AssertionError("Wrong symbol");
 
-        cs = WriteableScope.create(clazz);
-        cs.enter(v);
-        cs.enter(m);
+        cs = writeableScope(clazz, v, m);
         cs.remove(m);
         s = cs.findFirst(hasNext);
         if (s != v)
             throw new AssertionError("Wrong symbol");
 
-        cs = WriteableScope.create(clazz);
+        cs = writeableScope(clazz);
         cs.enter(m);
         cs.enter(v);
         cs.remove(m);
         s = cs.findFirst(hasNext);
         if (s != v)
             throw new AssertionError("Wrong symbol");
+
+        // Test multiple removals in the same scope.
+        VarSymbol v1 = new VarSymbol(0, names.fromString("name1"), Type.noType, clazz);
+        VarSymbol v2 = new VarSymbol(0, names.fromString("name2"), Type.noType, clazz);
+        VarSymbol v3 = new VarSymbol(0, names.fromString("name3"), Type.noType, clazz);
+        VarSymbol v4 = new VarSymbol(0, names.fromString("name4"), Type.noType, clazz);
+
+        cs = writeableScope(clazz, v1, v2, v3, v4);
+        cs.remove(v2);
+        assertRemainingSymbols(cs, v1, v3, v4);
+        cs.remove(v3);
+        assertRemainingSymbols(cs, v1, v4);
+        cs.remove(v1);
+        assertRemainingSymbols(cs, v4);
+        cs.remove(v4);
+        assertRemainingSymbols(cs);
+    }
+
+    private WriteableScope writeableScope(ClassSymbol classSymbol, Symbol... symbols) {
+        WriteableScope cs = WriteableScope.create(classSymbol);
+        for (Symbol symbol : symbols) {
+            cs.enter(symbol);
+        }
+        return cs;
+    }
+
+    private void assertRemainingSymbols(WriteableScope cs, Symbol... symbols) {
+      List<Symbol> expectedSymbols = Arrays.asList(symbols);
+      List<Symbol> actualSymbols = new ArrayList<>();
+      cs.getSymbols().forEach(symbol -> actualSymbols.add(symbol));
+      // The symbols are stored in reverse order
+      Collections.reverse(actualSymbols);
+      if (!actualSymbols.equals(expectedSymbols)) {
+          throw new AssertionError(
+              String.format("Wrong symbols: %s. Expected %s", actualSymbols, expectedSymbols));
+      }
     }
 }