8212748: ZGC: Add reentrant locking functionality Reviewed-by: eosterlund, kbarrett

8214068: ZGC crashes with vmTestbase/nsk/jdi/ReferenceType/instances/instances004/TestDescription.java Reviewed-by: eosterlund, rehn, dcubed

8046500: GetIpAddrTable function failed on Pure Ipv6 environment Reviewed-by: chegar

8213909: jdeps --print-module-deps should report missing dependences 8168869: jdeps: localized messages don't use proper line breaks Reviewed-by: sundar

8211051: jdeps usage of --dot-output doesn't provide valid output for modular jar Reviewed-by: sundar

8213819: doclint should warn against {@index} inside <a> tag Reviewed-by: jjg, hannesw

8211266: [TESTBUG] ZipFSTester.java failed intermittently in ZipFSTester.checkRead(): bound must be positive Reviewed-by: lancea

Added tag jdk-12+21 for changeset f8fb0c86f2b3

8213907: [JVMCI] avoid Class.getDeclared* methods when converting JVMCI objects to reflection objects Reviewed-by: kvn, never

8214139: Remove wrapper methods from {Base,Html}Configuration Reviewed-by: pmuthuswamy, hannesw

8213202: Possible race condition in TLS 1.3 session resumption Reviewed-by: jnimeh

8214149: Move out assignments when not using NSK*VERIFY macros Summary: Move out the assignments from ifs Reviewed-by: sspitsyn, cjplummer

8214078: (fs) SecureDirectoryStream not supported on arm32 Reviewed-by: alanb Contributed-by: nick.gasson@arm.com

8213721: [Graal] Tests vmTestbase/nsk/stress/except/except* may be encountering SEGV during out-of-memory conditions Summary: Add the exception handler only for the current thread Reviewed-by: dholmes, sspitsyn, thartmann

8213235: java/nio/channels/SocketChannel/AsyncCloseChannel.java fails with threads that didn't exit Reviewed-by: alanb, dfuchs

8213942: URLStreamHandler initialization race Reviewed-by: alanb, chegar, prappo

8214144: Remove confusing locking_enqueue_completed_buffer Summary: Remove function. Reviewed-by: tschatzl, manc

8214120: [REDO] Fix sun.awt.nativedebug on X11 platforms Reviewed-by: stuefe, ihse

8212982: Rule cases in switch expression accepted even if complete normally Summary: Ensure an error is reported if switch expression does not correctly produce a value. Reviewed-by: mcimadamore

8214025: assert(t->singleton()) failed: must be a constant when ScavengeRootsInCode < 2 Summary: Added missing null checks and checks for pending exception. Reviewed-by: kvn

8209923: Unicode 11.0.0. Summary: Updated JDK to support Unicode 11.0.0. Reviewed-by: naoto

8213419: C2 may hang in MulLNode::Ideal()/MulINode::Ideal() with gcc 8.2.1 Reviewed-by: kvn, dlong, aph

8213587: Speed up CDS dump time by using resizable hashtables Reviewed-by: jiangli, coleenp, gziemski

8214154: problem list HeapMonitorStatIntervalTest.java Summary: Add the test to the problem list until solved Reviewed-by: dholmes

8214124: [TESTBUG] Bugs in runtime/NMT/MallocStressTest.java Summary: Fix possible negative size and index that can cause the test to fail Reviewed-by: stuefe, shade

8213992: Rename and make DieOnSafepointTimeout the diagnostic option Reviewed-by: dholmes, dcubed, coleenp, kvn

8213746: GC/C2 abstraction for C2 matcher Reviewed-by: kvn, roland

8213033: Archive remaining primitive box caches Reviewed-by: jiangli, alanb

8213908: AssertionError in DeferredAttr at setOverloadKind Reviewed-by: mcimadamore

8214125: [test] Fix comparison between pointer and integer in test_ptrQueueBufferAllocator.cpp Reviewed-by: mdoerr, shade, stuefe, tschatzl

8210722: JAXP Tests: CatalogSupport2 and CatalogSupport3 generate incorrect messages upon failure Reviewed-by: lancea

8210742: compound var declaration type is not uniform for all variables Summary: make implicit type for all variables in compound declaration as null for which type inference happens at later phase Reviewed-by: mcimadamore Contributed-by: srinivas.dama@oracle.com