Merge

8225626: JMH Test Support for JDK-8222074 Summary: Micros for new SuperWord optimizations Reviewed-by: vlivanov, ecaspole Contributed-by: shravya.rukmannagari@intel.com

8217170: gc/arguments/TestUseCompressedOopsErgo.java timed out Summary: Disable ZapUnusedHeapArea and VerifyBeforeExit for gc/arguments tests. Reviewed-by: tschatzl, tonyp

Merge

8227117: normal interpreter table is not restored after single stepping with TLH Reviewed-by: sspitsyn, eosterlund, dholmes, coleenp

8224741: Optimize the scan area during the Scan Heap Roots phase Summary: When scanning card blocks, remember the last address already scanned. Continue scanning from this address. Reviewed-by: kbarrett, lkorinth

8227327: Shenandoah: Faster and more parallel tests Reviewed-by: rkennke

Merge

8226627: assert(t->singleton()) failed: must be a constant Summary: Implemented constant folding for MaxFD, MinFD. Reviewed-by: thartmann, bsrbnd, pli

8227175: ZGC: ZHeapIterator visits potentially dead objects Reviewed-by: zgu, eosterlund

8227083: ZGC: C2: Generates on_weak barrier for WeakCompareAndSwap Reviewed-by: neliasso, eosterlund

8225770: ZGC: C2: Generates on_weak instead of on_strong barriers Reviewed-by: neliasso, eosterlund

8227055: Minor edits to launcher help text Reviewed-by: mchung

8226963: More clarification on possible sequencing error in GSSContext::unwrap Reviewed-by: mullan

8227061: KDC.java test behaves incorrectly when AS-REQ contains a PAData not PA-ENC-TS-ENC Reviewed-by: mullan

8227124: "could not open pipe" error does not report error details Reviewed-by: sspitsyn, cjplummer

8225239: Refactor NetworkInterface lookups Reviewed-by: michaelm, dfuchs, chegar

8226409: Enable argument profiling for sun.misc.Unsafe.put*/get* Reviewed-by: kvn

8227039: Shenandoah: Aggressive heuristics for Traversal mode Reviewed-by: shade

8222079: Don't use memset to initialize fields decode_env constructor in disassembler.cpp Reviewed-by: dlong, stuefe, mdoerr

8226793: Replace OopStorage dup_name with os::strdup Summary: Use os::strdup and os::free. Reviewed-by: tschatzl

8226823: Adjust BarrierSetC2 for C2 runtime calls Reviewed-by: neliasso, roland

8226822: GC interface for C1 runtime calls Reviewed-by: neliasso, roland

8227010: Error recovery after local variable redeclaration can be improved Summary: Entering duplicate local variables into the current scope so that the new variable is used instead of the previous variable. Reviewed-by: mcimadamore

8224657: [TESTBUG] java/util/Locale/SoftKeys.java should be ignored but run Reviewed-by: alanb

8226757: Shenandoah: Make traversal and passive modes explicit Reviewed-by: shade

8227032: MetaspaceUtils::print_report crashes when called before initialization Reviewed-by: tschatzl, goetz

8227252: [aix] Disable jdk/java/lang/reflect/exeCallerAccessTest Reviewed-by: goetz

8227171: provide function names in native stack trace on aix with xlc16 Reviewed-by: stuefe

8227173: Minor cleanup of unused code in compile.hpp Summary: Removed unused code. Reviewed-by: kvn

8227202: clarify Class.isEnum() doc Reviewed-by: bpb

Merge

Added tag jdk-13+28 for changeset 1e95931e7d8f

8226566: [JVMCI] java.* classes are no longer necessarily resolved by the boot class loader Reviewed-by: kvn, dlong

8227080: (fs) Files.newInputStream(...).skip(n) is slow Reviewed-by: sbordet, rriggs, fweimer

Added tag jdk-14+4 for changeset 19d0b382f086

8223575: add subspace transitions to gc+metaspace=info log lines Reviewed-by: stuefe, tschatzl

8223291: Whitespace is added to CDATA tags when using OutputKeys.INDENT to format XML Reviewed-by: dfuchs, lancea

8227199: Shenandoah: Remove superfluous calls to can_do_traversal_gc() Reviewed-by: shade

Merge

8224881: Shenandoah: trashing "Collection Set, Pinned" region during Degenerated GC Reviewed-by: rkennke, zgu

8214542: JFR: Old Object Sample event slow on a deep heap in debug builds Reviewed-by: egahlin, rwestberg

8226719: Kerberos login to Windows 2000 failed with "Inappropriate type of checksum in message" Reviewed-by: xuelei

8226366: Excessive ServiceThread wakeups for OopStorage cleanup Summary: Drive wakes via safepoint cleanups with interval minimums. Reviewed-by: coleenp, tschatzl

8226596: Accessibility errors in jdwp-protocol.html Summary: Fix accessability issues in the JDWP spec Reviewed-by: amenkov, dholmes

8227112: exclude compiler/intrinsics/sha/sanity tests from AOT runs Reviewed-by: kvn

8225679: reference to http://java.sun.com/products/JavaManagement/download.html Reviewed-by: sspitsyn

8227011: Starting a JFR recording in response to JVMTI VMInit and / or Java agent premain corrupts memory Reviewed-by: egahlin, rwestberg

8225706: JFR RootResolver resets CLD claims with no restore Reviewed-by: zgu, egahlin

8225642: ZGC: Crash due to bad oops being spilled to stack in load barriers Reviewed-by: neliasso, pliden Contributed-by: erik.osterlund@oracle.com, stuart.monteith@linaro.org

8219687: G1 asserts nmethod should not be unloaded during parallel code cache unloading Reviewed-by: tschatzl, kvn

8226522: No compilation error reported when yield is used in incorrect context Reviewed-by: mcimadamore

8224673: Adjust permission for delayed starting of debugging Summary: Changed permission from monitor to control Reviewed-by: sspitsyn, clanger

8225475: Node budget asserts on x86_32/64 Summary: Make the (ad-hoc) loop cloning size estimate more pessimistic. Reviewed-by: shade

8226943: compile error in libfollowref003.cpp with XCode 10.2 on macosx Reviewed-by: sspitsyn

8227178: Backout of 8215523 Reviewed-by: tschatzl

8226238: Improve error output and fix elf issues in os::dll_load Reviewed-by: clanger, mdoerr

8227085: ZGC: Add on_weak load barrier verification Reviewed-by: eosterlund

8227083: ZGC: C2: Generates on_weak barrier for WeakCompareAndSwap Reviewed-by: neliasso, eosterlund

8225770: ZGC: C2: Generates on_weak instead of on_strong barriers Reviewed-by: neliasso, eosterlund

8226956: Add invocation tests for Graal and C1 Summary: Add new tests for these JIT's Reviewed-by: lfoltan, coleenp

Merge

8226525: HotSpot compile-time error for x86-32 Reviewed-by: shade

8226976: SessionTimeOutTests uses == operator for String value check Summary: Use String.equals() instead of == operator Reviewed-by: xuelei