--- a/jdk/make/Makefile	Mon Nov 08 11:33:24 2010 -0500
+++ b/jdk/make/Makefile	Mon Nov 08 09:29:18 2010 -0800
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1995, 2007, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1995, 2010, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -243,6 +243,11 @@
 SUBDIRS_tools = launchers
 SUBDIRS_misc  = org sunw jpda mkdemo mksample
 
+# Alternate classes implementation
+ifndef OPENJDK
+  SUBDIRS_misc += altclasses
+endif
+
 include $(BUILDDIR)/common/Subdirs.gmk
 
 all build::

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/make/altclasses/Makefile	Mon Nov 08 09:29:18 2010 -0800
@@ -0,0 +1,84 @@
+#
+# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+# 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.
+#
+
+#
+# Makefile for building alternate runtime classes (not used by default)
+#
+
+BUILDDIR = ..
+
+PRODUCT = altclasses
+
+include $(BUILDDIR)/common/Defs.gmk
+
+# Root of alternate class sources
+
+ALTCLASSES_SRCDIR = $(CLOSED_SRC)/share/altclasses
+
+# Alternate runtime classes
+
+ALTRT_JAR_FILE = $(LIBDIR)/alt-rt.jar
+ALTRT_JAR_SOURCE_FILE = $(TEMPDIR)/alt-rt.jarsrclist
+ALTRT_JAR_SOURCES = $(wildcard $(ALTCLASSES_SRCDIR)/java/*/*.java)
+
+# Use a special file suffix for the file that holds the source list
+
+.SUFFIXES: .jarsrclist
+
+# Build rules
+
+all build: 
+	@if [ -d $(ALTCLASSES_SRCDIR) ] ; then \
+	   $(MAKE) $(ALTRT_JAR_FILE); \
+	fi
+
+# Source list file creation
+
+$(ALTRT_JAR_SOURCE_FILE): $(ALTRT_JAR_SOURCES) FRC
+	$(prep-target)
+	$(ECHO) $(ALTRT_JAR_SOURCES) > $@
+
+clean clobber::
+	$(RM) $(ALTRT_JAR_FILE) $(ALTRT_JAR_SOURCE_FILE) 
+	$(RM) -r $(ALTRT_JAR_SOURCE_FILE).classes
+
+include $(BUILDDIR)/common/Classes.gmk
+
+# Pattern rule to turn a source list file into a jar file
+$(LIBDIR)/%.jar : $(TEMPDIR)/%.jarsrclist
+	$(prep-target)
+	$(RM) -r $(<).classes
+	$(MKDIR) -p $(<).classes
+	$(JAVAC_CMD) -implicit:none -d $(<).classes @$<
+	$(BOOT_JAR_CMD) cf $@ -C $(<).classes . $(BOOT_JAR_JFLAGS)
+
+# Force target
+
+FRC:
+
+# Non file targets
+
+.PHONY: all build clean clobber
+

--- a/jdk/test/java/lang/reflect/Generics/Probe.java	Mon Nov 08 11:33:24 2010 -0500
+++ b/jdk/test/java/lang/reflect/Generics/Probe.java	Mon Nov 08 09:29:18 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -47,9 +47,6 @@
           "java.util.WeakHashMap$EntryIterator",
           "java.util.WeakHashMap$KeyIterator",
           "java.util.WeakHashMap$ValueIterator",
-          "java.util.TreeMap$EntryIterator",
-          "java.util.TreeMap$KeyIterator",
-          "java.util.TreeMap$ValueIterator",
           "java.util.HashMap$EntryIterator",
           "java.util.HashMap$KeyIterator",
           "java.util.HashMap$ValueIterator",

--- a/jdk/test/java/util/NavigableMap/LockStep.java	Mon Nov 08 11:33:24 2010 -0500
+++ b/jdk/test/java/util/NavigableMap/LockStep.java	Mon Nov 08 09:29:18 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
  * 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 @@
  * @test
  * @bug     6420753 6242436 6691185
  * @summary Compare NavigableMap implementations for identical behavior
+ * @run main LockStep
+ * @run main/othervm -XX:+AggressiveOpts LockStep
+ * @run main/othervm -XX:+AggressiveOpts -Dthorough=true LockStep
  * @author  Martin Buchholz
  */