8233018: Add a new test to verify that DatagramSocket is not interruptible Summary: Test added to check the interruptability of DatagramSocket, MulticastSocket and DatagramSocketAdaptor. Reviewed-by: chegar, dfuchs

8234799: javadoc of java.util.Arrays.compare(T[] a, T[] b) misses the word "less" Summary: Add word "less" to method-level javadoc Reviewed-by: dfuchs, lancea

8234917: Explicitly discuss java.lang.Enum in Class.isEnum spec Reviewed-by: jjg

8228720: Shenandoah: Implementation of concurrent class unloading Reviewed-by: rkennke

8234781: Update description of InvalidClassException to include more conditions Reviewed-by: alanb, chegar

8223378: CSS solution for navbar problem with <a> elements is not ideal Reviewed-by: jjg

8141637: Parallelize single threaded heap region iteration during Pre Evacuate Collection Set Reviewed-by: tschatzl, lkorinth

8234897: 8234748: Clean up atomic and orderAccess includes - part 2 Reviewed-by: tschatzl, dholmes

8220376: C2: Int >0 not recognized as !=0 for div by 0 check Reviewed-by: neliasso, vlivanov, mdoerr

8234748: Clean up atomic and orderAccess includes Reviewed-by: dholmes

Merge

8233301: Implementation of JEP 366: Deprecate the ParallelScavenge + SerialOld GC Combination Summary: Deprecate the ParallelScavenge + SerialOld GC combinations by deprecating the UseParallelOldGC flag. Also reviewed by Bernd Eckenfels<ecki@zusammenkunft.net>. Reviewed-by: pliden

8234525: enable link-time section-gc for linux s390x to remove unused code Reviewed-by: erikj, mdoerr

8234809: set relro in linker flags when building with gcc Reviewed-by: erikj, fweimer

8231826: Implement javac changes for pattern matching for instanceof Reviewed-by: mcimadamore Contributed-by: brian.goetz@oracle.com, gavin.bierman@oracle.com, maurizio.cimadamore@oracle.com, srikanth.adayapalam@oracle.com, vicente.romero@oracle.com, jan.lahoda@oracle.com

8230765: Implement nmethod barrier for x86_32 platforms Reviewed-by: rkennke, eosterlund

8233500: Shenandoah: Shenandoah load barrier should save registers before calling keep alive barrier on x86 Reviewed-by: rkennke

8234539: ArchiveRelocationTest.java failed: Archive mapping should always succeed Reviewed-by: ccheung

8234535: Cross compilation fails due to missing CFLAGS for the BUILD_CC Reviewed-by: erikj

8234610: MaxVectorSize set wrongly when UseAVX=3 is specified after JDK-8221092 Reviewed-by: kvn, vlivanov

Merge

8234394: C2: Dynamic register class support in ADLC Reviewed-by: vlivanov, sviswanathan, thartmann, kvn

8234387: C2: Better support of operands with multiple match rules in AD files Reviewed-by: vlivanov, sviswanathan, thartmann, dlong

8234403: C2: Enable CallSite.target updates in constructors Reviewed-by: psandoz, kvn

8234401: ConstantCallSite may stuck in non-frozen state Reviewed-by: psandoz

8233870: JFR TestSetEndTime.java times out - onClose() is never called Reviewed-by: mgronlun

8234613: JavaThread can escape back to Java from an ongoing handshake Summary: Check again if we have a pending/in-progress handshake operation after executing ~ThreadInVMForHandshake() Reviewed-by: coleenp, dcubed, dholmes, rehn

Metadatatype back to metaspace.hpp to reduce patch size

Improve BLA and LOM tests

8234768: Shenandoah: Streamline enqueueing runtime barriers Reviewed-by: zgu

8234270: [REDO] JDK-8204128 NMT might report incorrect numbers for Compiler area Reviewed-by: stuefe, minqi

8234798: Build failure after atomic changes in JDK-8234563 Reviewed-by: tschatzl, rkennke, zgu

8234619: ZGC: gc/z/TestSmallHeap.java failure with Out Of Memory Reviewed-by: tschatzl, eosterlund

Merge

8234729: Javac should eagerly change code generation for method references to avert IllegalAccessError in future. Reviewed-by: mcimadamore

8221372: Test vmTestbase/nsk/jvmti/GetThreadState/thrstat001/TestDescription.java times out Summary: Update test to get rid of unneeded MethodEntry/MethodExit events Reviewed-by: amenkov, cjplummer

8179320: File.getUsableSpace() returns a negative number on very large file system Reviewed-by: alanb, rriggs, darcy

8234681: Remove UseJVMCIClassLoader logic from JVMCI code Reviewed-by: kvn, iignatyev

8234684: JFR crashes when rotating the JFR output during assertion failure Reviewed-by: egahlin, mseledtsov

8234359: [JVMCI] invalidate_nmethod_mirror shouldn't use a phantom reference Reviewed-by: kvn, eosterlund

8233197: Invert JvmtiExport::post_vm_initialized() and Jfr:on_vm_start() start-up order for correct option parsing Reviewed-by: sspitsyn, egahlin

8234531: Remove CMS code from CLDG and safepoint cleanup Reviewed-by: coleenp, zgu

Improve comments

Merge

8234602: ZGC: Windows compile error in ZHeuristic Reviewed-by: pliden, eosterlund

8234009: ZGC: Move resurrection unblock to before the _unload.purge() call Reviewed-by: pliden, eosterlund

8234010: ZGC: Change ZResurrection to use Atomic::load/store Reviewed-by: pliden, eosterlund

8234740: Harmonize parameter order in Atomic - cmpxchg Reviewed-by: rehn, dholmes

8234739: Harmonize parameter order in Atomic - xchg Reviewed-by: rehn, dholmes

8234738: Harmonize parameter order in Atomic - sub Reviewed-by: rehn, dholmes

8234737: Harmonize parameter order in Atomic - add Reviewed-by: rehn, dholmes

8234736: Harmonize parameter order in Atomic - store Reviewed-by: rehn, dholmes

8234562: Move OrderAccess::release_store*/load_acquire to Atomic Reviewed-by: rehn, dholmes

8234703: JFR TestOutOfProcessMigration.java should clean up files Reviewed-by: mgronlun

8234573: ZGC: Enable ZVerifyMarking by default in debug builds Reviewed-by: stefank, tschatzl

8234433: TestUnloadEventClassCount fails with "assert(SafepointSynchronize::is_at_safepoint()) failed: invariant" Reviewed-by: pliden

8234629: remove unused functions from libnet Reviewed-by: alanb, vtewari

8234509: Race in macOS os::processor_id() Reviewed-by: dholmes, pliden, rehn

8233029: Obsolete flag GCTaskTimeStampEntries Reviewed-by: kbarrett, tschatzl

8231507: Update Apache Santuario (XML Signature) to version 2.1.4 Reviewed-by: weijun Contributed-by: fedor.burdun@azulsystems.com, weijun.wang@oracle.com

8226897: Provide object age with JFR OldObjectSample event Reviewed-by: mgronlun, mseledtsov

Factor out block list array from LOM since we may use it elsewhere

8234432: AOT tests failing with 'used 'epsilon gc' is different from current 'g1 gc'' after CMS removal Reviewed-by: kvn

8234622: [TESTBUG] ArchivedModuleCompareTest.java fails with -vmoptions:-Xlog:cds Reviewed-by: mseledtsov

8233446: Improve error handling when specified dynamic archive doesn't exist Reviewed-by: lfoltan, ccheung

8234429: appcds/dynamicArchive tests crashing with Graal Reviewed-by: ccheung

8087198: G1 card refinement: batching, sorting Reviewed-by: tschatzl, kbarrett

8234687: change javap reporting on unknown attributes Reviewed-by: mchung

8229209: [TESTBUG] test for cross-process JFR event streaming Summary: New test for cross-process JFR event streaming Reviewed-by: iignatyev, egahlin

8233956: MethodHandles.dropArguments javadoc lists parameters in wrong order Reviewed-by: jjg

8232170: FSInfo#getJarClassPath throws an exception not declared in its throws clause Reviewed-by: jjg Contributed-by: jai.forums2013@gmail.com

8231516: network QuickAckTest.java failed due to "SocketException: maximum number of DatagramSockets reached" Summary: fix the test to run in /othervm mode Reviewed-by: chegar

8164993: (ch) ReadableByteChannel should note a possible IllegalArgumentException Reviewed-by: alanb, darcy

8233700: EventStream not closed Reviewed-by: mgronlun, mseledtsov

8234544: ObjectSynchronizer::FastHashCode() cleanups from Async Monitor Deflation project Reviewed-by: dholmes

8233296: MulticastSocket getOption/setOption inverts the value of IP_MULTICAST_LOOP Summary: MulticastSocket.getOption(StandardSocketOption.IP_MULTICAST_LOOP) now returns true if loopback mode is enabled, and MulticastSocket.setOption(StandardSocketOption.IP_MULTICAST_LOOP, true) enables loopback mode. No other behavioral changes. Reviewed-by: alanb, chegar

8169467: GetLocalInstance returns JVMTI_ERROR_TYPE_MISMATCH (rather than JVMTI_ERROR_INVALID_SLOT) on static method Summary: Add necessary check to GetLocalInstance implementation Reviewed-by: amenkov, cjplummer

8233597: Clean up code in G1Analytics::compute_pause_time_ratio Reviewed-by: kbarrett, sjohanss

8233702: Introduce helper function to clamp value to range Reviewed-by: sjohanss, kbarrett

8234000: Make HeapRegion::bottom/end/hrm_index const Reviewed-by: kbarrett, sjohanss

8233997: Some members of HeapRegion are not cleared in HeapRegion::hr_clear() Reviewed-by: sjohanss, sangheki

8233306: Sort members in G1's HeapRegion after removal of Space dependency Reviewed-by: sangheki, sjohanss

8234339: replace JLI_StrTok in java_md_solinux.c Reviewed-by: clanger, rriggs

8234089: (zipfs) Remove classes JarFileSystemProvider and JarFileSystem Reviewed-by: lancea, alanb

8230611: infinite loop in LogOutputList::wait_until_no_readers() Summary: Add copy constructor and copy assignment operator to ensure reader count remains accurate Reviewed-by: kbarrett, dholmes

8233954: UnsatisfiedLinkError or NoSuchAlgorithmException after removing sunec.dll Reviewed-by: ascarpino

8026393: jarsigner never shows a warning in badKeyUsage case Reviewed-by: mullan

8233548: Update CUP to v0.11b Reviewed-by: lancea

8234290: compiler/c2/Test6857159.java times out and fail to clean up files Reviewed-by: thartmann

8234051: doclet crashes if HTML files in module doc-files directories Reviewed-by: hannesw

8234058: runtime/CompressedOops/CompressedClassPointers.java fails with 'Narrow klass base: 0x0000000000000000' missing from stdout/stderr Summary: Don't run test on Windows because ASLR can cause unexpected memory addresses Reviewed-by: coleenp

Merge

8068184: Fix for JDK-8032832 caused a deadlock Reviewed-by: dfuchs, chegar

8234083: DatagramSocket should report SO_BROADCAST as a supported option Summary: DatagramSocket had a setBroadcast and getBroadcast setter/getter pair but curiously didn't report SO_BROADCAST as a supported option. Note: the source code changes were accidentally pushed with 8234103 so this changeset only has the test changes. The reviewers listed below had already reviewed the full (source+test) changes. Reviewed-by: alanb, vtewari, chegar

8233847: (sctp) Flx link-local IPv6 scope handling and test cleanup Reviewed-by: alanb

8232097: (sctp) SctpNet.init() results in java.lang.UnsatisfiedLinkError Reviewed-by: alanb