8206986: Compiler support for Switch Expressions (Preview) 8207405: Compiler Tree API support for Switch Expressions (Preview) Summary: Support for switch expression, switch with rules and multiple constants for cases. Reviewed-by: jjg, mcimadamore, vromero

8209994: windows: Java_java_net_NetworkInterface_getAll misses releasing interface-list Reviewed-by: bpb, chegar, simonis

8208746: ISO 4217 Amendment #168 update 8209775: ISO 4217 Amendment #169 update Reviewed-by: naoto

8210045: Allow using a subset of worker threads even when UseDynamicNumberOfGCThreads is not set Reviewed-by: eosterlund, kbarrett

8210035: Fix copyrights for files created for the HeapMonitor work Summary: Added the Oracle copyright to newly created files Reviewed-by: sspitsyn, cjplummer

8210040: TestOptionsWithRanges.java is very slow Summary: Added -Xmx1024m -XX:-ZapUnusedHeapArea; split into 10 smaller tests Reviewed-by: kvn, coleenp

8210043: Invalid assert(HeapBaseMinAddress > 0) in ReservedHeapSpace::initialize_compressed_heap Summary: Removed the assert Reviewed-by: ccheung, jiangli

8209743: [TESTBUG] java/lang/management/MemoryMXBean/LowMemoryTest2.sh fails with OutOfMemoryError running in CDS mode Summary: increase the MaxMetaspaceSize from 16m to 32m Reviewed-by: jiangli, iklam, mchung

Merge

8209958: Clean up duplicate basic array type statics in Universe Reviewed-by: lfoltan, zgu

8210008: custom extension for make/SourceRevision.gmk Reviewed-by: erikj

8210088: ProblemList gc/epsilon/TestMemoryMXBeans.java Reviewed-by: kbarrett, jiangli

8209611: use C++ compiler for hotspot tests Reviewed-by: vlivanov, ihse, erikj, jcbeyler

8210108: sun/tools/jstatd test build failures after JDK-8210022 Reviewed-by: cjplummer, jcbeyler, mikael

8019927: [TESTBUG] nsk/jvmti/GetThreadInfo/thrinfo001 intermittently fails with 'invalid thread group' when running with JFR Reviewed-by: amenkov, cjplummer, sspitsyn

8209976: Improve iteration over non-JavaThreads Summary: Add NonJavaThread and move NamedThread iteration to new class. Reviewed-by: eosterlund, coleenp, rkennke

8209534: [TESTBUG]runtime/appcds/cacheObject/ArchivedModuleCompareTest.java fails with EnableJVMCI. Summary: Use TestCommon.execOff(). Reviewed-by: ccheung

8072498: Multi-thread JNI weak reference processing Summary: Add parallel processing support to WeakProcessor. Reviewed-by: tschatzl, sjohanss

8201224: Make string buffer size dynamic in mlvmJvmtiUtils.c Summary: Calculate the string size for the buffer first Reviewed-by: amenkov, sspitsyn, iklam

8209939: [testbug][ppc] Test SafepointPollingPages fails after 8208499 with UseSIGTRAP on. Reviewed-by: mdoerr, ghaug

8202578: Revisit location for class unload events Summary: Use notify_unload_class() to post JFR class unload events instead of doing a separate traversal of the class loader data graph Reviewed-by: lfoltan, coleenp, mgronlun, egahlin

8209894: ZGC: Cap number of GC workers based on heap size Reviewed-by: ehelin, tschatzl

8210022: remove jdk.testlibrary.ProcessThread, TestThread and XRun Reviewed-by: sspitsyn, jcbeyler

8186548: move jdk.testlibrary.JcmdBase closer to tests Reviewed-by: cjplummer, amenkov

8203393: com/sun/jdi/JdbMethodExitTest.sh and JdbExprTest.sh fail due to timeout Reviewed-by: sspitsyn, cjplummer

8209494: Create a test for SwingSet InternalFrameDemo Reviewed-by: serb Contributed-by: abdul.kolarkunnu@oracle.com

8209852: Counters in StringCleaningTask should be type of size_t Summary: Converted counters to size_t type to avoid casting Reviewed-by: coleenp

8209920: runtime/logging/RedefineClasses.java fail with OOME with ZGC Reviewed-by: pliden

8209789: Synchronize test/jdk/sanity/client/lib/jemmy with code-tools/jemmy/v2 Reviewed-by: serb Contributed-by: abdul.kolarkunnu@oracle.com

8209965: The "supported_groups" extension in ServerHellos Reviewed-by: ascarpino

8209995: java.base does not need to export sun.security.ssl to java.security.jgss Reviewed-by: xuelei, alanb

8209987: Minor cleanup in Level.java Reviewed-by: dfuchs Contributed-by: Bernd Eckenfels <ecki@zusammenkunft.net>

8204308: SA: serviceability/sa/TestInstanceKlassSize*.java fails when running in CDS mode Summary: Use longs instead of ints while computing the identity hash of klass symbols Reviewed-by: coleenp, lfoltan

8209821: Make JVMTI GetClassLoaderClasses not walk CLDG Summary: And also added function with KlassClosure to remove the hacks. Reviewed-by: lfoltan, sspitsyn

8209911: More blob types in hs_err printout Reviewed-by: simonis, kvn

6474858: CardChannel.transmit(CommandAPDU) throws unexpected ArrayIndexOutOfBoundsException Reviewed-by: valeriep

8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed Summary: Move different execution modes to IncompatibleOptions_stringDedup.java and IncompatibleOptions_noCompactStrings.java Reviewed-by: jiangli, coleenp

8209173: javac fails with completion exception while reporting an error Reviewed-by: mcimadamore

8209915: Fix license headers Reviewed-by: kvn, pliden

8209841: [REDO] Refactor G1ParallelCleaningTask into shared Summary: Refactored ParallelCleaningTask to share with other GCs Reviewed-by: tschatzl, shade

8208061: runtime/LoadClass/TestResize.java fails with "Load factor too high" when running in CDS mode. Summary: Allow resizing for all system dictionaries except for the shared dictionary at runtime. Reviewed-by: iklam, gziemski

8209825: guarantee(false) failed: wrong number of expression stack elements during deopt Reviewed-by: kvn, thartmann

8209639: assert failure in coalesce.cpp: attempted to spill a non-spillable item Reviewed-by: neliasso, kvn

8209622: applications/kitchensink/Kitchensink.java failed with Kitchensink failed with exit code = 138 Summary: SymbolTableLock no longer checks for safepoints Reviewed-by: coleenp, rehn

8208480: Test failure: assert(is_bound() || is_unused()) after JDK-8206075 in C1 Reviewed-by: kvn, phh, lucy

8208091: SA: jhsdb jstack --mixed throws UnmappedAddressException on i686 Summary: Be sure to use the same register index in native and Java code. Reviewed-by: sballal, cjplummer, tbell

8209837: Avoid initializing ExpiringCache during bootstrap Reviewed-by: sundar, forax

8206457: Code paths from oop_iterate() must use barrier-free access Reviewed-by: eosterlund, shade

8208665: Amend cross-compilation docs with qemu-debootstrap recipe Reviewed-by: martin, glaubitz, erikj

8209833: C2 compilation fails with "assert(ex_map->jvms()->same_calls_as(_exceptions->jvms())) failed: all collected exceptions must come from the same place" Summary: Deoptimize if exception is thrown in _clone intrinsic. Reviewed-by: kvn

8209150: [TESTBUG] Add logging to verify JDK-8197901 to a different test Reviewed-by: coleenp, mseledtsov

8034084: nsk.nsk/jvmti/ThreadStart/threadstart003 Wrong number of thread end events Reviewed-by: amenkov, dholmes, sspitsyn

8209850: Allow NamedThreads to use GlobalCounter critical sections Summary: Add NamedThreads iterator and make GlobalCounter use it. Reviewed-by: eosterlund, rehn

8209873: Typo in javax.xml.validation.Validator.validate documentation Reviewed-by: lancea

8209171: Simplify Java implementation of Integer/Long.numberOfTrailingZeros() Reviewed-by: martin Contributed-by: ivan.gerasimov@oracle.com, martinrb@google.com

8209851: Algorithm name is compared via reference identity Reviewed-by: mullan

8207211: [TESTBUG] Remove excessive output from CDS/AppCDS tests Summary: changed the value of the property test.cds.copy.child.stdout to false so that stdout of child processes are logged in files. Each stdout and stderr file will have a unique name. Reviewed-by: iklam

8209854: ProblemList MemberNameLeak Summary: MemberNameLeak.java moved to ProblemList due to intermittent failure after 8206423 Reviewed-by: coleenp

8209883: ZGC: Compile without C1 broken Reviewed-by: eosterlund, shade

8209129: Further improvements to cipher buffer management Reviewed-by: weijun, igerasim

8209831: ZGC: Clean up ZRelocationSetSelectorGroup::semi_sort() Reviewed-by: eosterlund, kbarrett

8209615: ParseError in XMLEventReader on a valid input Reviewed-by: lancea

8209651: better TLS poll for x64 C2 Reviewed-by: kvn

Added tag jdk-12+8 for changeset 492b366f8e57

8167314: Enable the check to detect duplicate provides in in GenModuleInfoSource Reviewed-by: lancea

8209062: Clean up G1MonitoringSupport Reviewed-by: phh, sangheki

8209061: Move G1 serviceability functionality to G1MonitoringSupport Reviewed-by: phh, sangheki

8209700: Remove HeapRegionSetBase::RegionSetKind for a more flexible approach Reviewed-by: kbarrett, phh

8209698: Remove "Pinned" from HeapRegionTraceType Reviewed-by: iklam

8208498: Put archive regions into a first-class HeapRegionSet Summary: Maintain archive regions in a HeapRegionSet like other region types. Reviewed-by: phh, sangheki

8209605: com/sun/jdi/BreakpointWithFullGC.java fails with ZGC Reviewed-by: sspitsyn, dholmes

8202342: [Graal] fromTonga/nsk/jvmti/unit/FollowReferences/followref003/TestDescription.java fails with "Location mismatch" errors Reviewed-by: sspitsyn, amenkov

8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed Summary: Relocate and patch archive regions if necessary Reviewed-by: jiangli, tschatzl

8209783: AArch64: Combine Multiply and Neg operations in C2 Summary: Generate mneg instructions for a*(-b) or (-a)*b to save one instruction Reviewed-by: adinn Contributed-by: pengfei.li@arm.com

8209686: cleanup arguments to PhaseIdealLoop() constructor Reviewed-by: thartmann, kvn, pliden

8209839: [Backout] Backout JDK-8206467 Refactor G1ParallelCleaningTask into shared Reviewed-by: zgu

8209667: Explicit barriers for C1/LIR Reviewed-by: eosterlund, roland

8208172: SIGSEGV when owner of invokedynamic bootstrap method throws an exception - Symbol::increment_refcount()+0x0 Summary: table for resolution errors always expect non-null message string. Reviewed-by: dholmes, iklam

8208601: Introduce native oop barriers in C2 for OopHandle Reviewed-by: neliasso, kvn

8209801: Rename C1_WRITE_ACCESS and C1_READ_ACCESS decorators to ACCESS_READ and ACCESS_WRITE Reviewed-by: kbarrett, pliden

8209684: Intrinsics that assume some input non null should use GraphKit::must_be_not_null() Reviewed-by: kvn, thartmann

8209420: Track membars for volatile accesses so they can be properly optimized Reviewed-by: adinn, aph, thartmann

8209829: SpnegoUnknownMech.java does not contain the SpnegoUnknownMech class Reviewed-by: dholmes

8209826: Undefined reference to os::write after JDK-8209657 (filemap.hpp cleanup) Summary: include os_inline.hpp instead Reviewed-by: jiangli

8186186: GSSContext.isEstablished() can return true on error state Reviewed-by: weijun Contributed-by: weijun.wang@oracle.com

8209771: jdk.test.lib.Utils::runAndCheckException error Reviewed-by: dholmes

8209657: Refactor filemap.hpp to simplify integration with Serviceability Agent Summary: Added src/hotspot/share/include/cds.h Reviewed-by: ccheung, sspitsyn, jgeorge

8206467: Refactor G1ParallelCleaningTask into shared Summary: Refactored and moved G1ParllelCleaningTask to be shared among GCs Reviewed-by: rkennke, kbarrett

8209758: 2 classes with same name G1PrintCollectionSetClosure cause crash when logging is enabled Reviewed-by: tschatzl, kbarrett

8209689: Compiler.isGraalEnabled should not check jvmci.Compiler property Reviewed-by: kvn

8209624: [JVMCI] Invalidate nmethods instead of directly unloading them when the InstalledCode is dropped Reviewed-by: kvn

8206423: Use locking for cleaning ResolvedMethodTable Summary: ServiceThread is now in charge of cleaning ResolvedMethodTable entries Reviewed-by: gziemski, dholmes, coleenp

8209792: Remove ClassLoaderDataGraph::keep_alive_cld_do Summary: unnecessary Reviewed-by: zgu, tschatzl

8209738: Remove ClassLoaderDataGraph::*oops_do functions Summary: Make walking CLDG more consistent. Reviewed-by: dholmes, tschatzl

8209668: Explicit barriers for C1/assembler Reviewed-by: roland, eosterlund

8203792: Remove "compatibility" features from Head.java Reviewed-by: jjg, sundar