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Merge to tag jdk-28+20 - #2440

Merged

RealCLanger merged 102 commits into

sapmachinefrom

pr-jdk-28+20

Oct 21, 2026

Merged

Merge to tag jdk-28+20#2440
RealCLanger merged 102 commits into
sapmachinefrom
pr-jdk-28+20

Commits on Oct 8, 2026
- 8380089: C2: Elide stores in loops by peeling
  merykitty
  committed
  acc953f
- 8393657: G1: Fix num_region naming for heap expansion and shrinking
  Thomas Schatzl
  committed
  a675ed2
- 8385488: Compiler allows "case _ when" in switches, but JLS doesn't
  nizarbenalla
  committed
  ee4d42c
- 8386128: ZGC: Race when retiring shared medium relocation target page
  
  xmas92
  and
  stefank
  committed
  fd9cf2b
- 8393335: Update Pandoc to version 3.6.4 for Oracle builds
  nizarbenalla
  committed
  6edf757
- 8393848: Align the JDK with Microsoft's new timezone name for Manitoba
  naotoj
  committed
  20c6982
- 8393864: Improve equality-related discussion in BigDecimal
  jddarcy
  committed
  36683b7
- 8392122: Test jdk/internal/platform/docker/TestDockerMemoryMetrics.java fails with OutOfMemoryError
  
  shivshah-oracle
  authored and
  Ekaterina Pavlova
  committed
  c5a3111
- 8393431: Strict static field read-write state incorrectly preserved between AOT runs
  Matias Saavedra Silva
  committed
  e976cef
- 8380476: Implement JEP 544: Ahead-of-Time Code Compilation
  
  committed
  f6fa653
- 8385585: EmSignRootG2CA.java test fails with: couldn't determine EE certificate status
  Rajan Halade
  committed
  1b0a055
Commits on Oct 9, 2026
- 8391598: RISC-V: Avoid call-patching I-cache flushes with Ziccid
  
  hlb194802
  authored and
  zifeihan
  committed
  5ec0824
- 8392347: RISC-V: Use 32-byte code entry alignment on Xuantie
  
  hlb194802
  authored and
  zifeihan
  committed
  1fd948d
- 8393678: [windows] DefaultProxySelector.c leaks handle 'session' if initJavaClass fails
  MBaesken
  committed
  952037a
- 8393061: java/nio/channels/Channels/Available.java failing (lnx)
  vy
  committed
  ee1a2c9
- 8377972: Provide a way for an application to opt-in to legacy Desktop.browse() behavior
  prsadhuk
  committed
  f2b6aba
- 8393866: C2: TypeInstPtr with klass_is_exact should not have abstract instance_klass
  merykitty
  committed
  118ef3b
- 8393706: [windows] DefaultProxySelector.c loop continues after proxy_array was set to NULL
  MBaesken
  committed
  850620f
- 8377548: Implement dark theme for other specs and tool guides
  hns
  committed
  8e48fff
- 8392942: C2: Missed Ideal optimization opportunity for ConvL2I
  
  dev-jonghoonpark
  authored and
  marc-chevalier
  committed
  cfff6bf
- 8391576: Reuse IK _has_strict_instance_fields in more places
  caspernorrbin
  committed
  4e2f7c7
- 8393884: MiscTests.testExecutableJARNoManifest fails when -Djava.awt.headless=true is in test VM options
  jaikiran
  committed
  6e6a595
- 8394208: ProblemList java/foreign/TestSharedCloseDeopts.java on all configs
  Daniel D. Daugherty
  committed
  14d9935
- 8394091: gc/z/TestZHugeMaxHeapSize.java fails when test VM options set -Xmx
  
  David Carlier
  authored and
  TheRealMDoerr
  committed
  80f8c07
- 8383384: Determine if VtableStubs::find_stub should take C1 into account when calling JvmtiExport
  Serguei Spitsyn
  committed
  bdd0d7e
Commits on Oct 10, 2026
- 8393854: RISC-V: Use Zalasr store-release instructions for C1 volatile field stores
  DingliZhang
  committed
  9854058
- 8394146: Hsdis does not build with binutils 2.47
  DingliZhang
  committed
  440be4f
- 8392951: (bf) Thread-local buffer cache access should pin virtual thread to carrier
  Alan Bateman
  committed
  46d5c4c
- 8371851: Build tool GenModuleInfoSource does not report duplicate targets of export
  
  benshuai5D
  authored and
  Alan Bateman
  committed
  a8c574a
- 8393199: Add missing @Override annotations in "sun.print" package part 1
  mrserb
  committed
  5f92fec
Commits on Oct 12, 2026
- 8387967: RISC-V: Optimize compare-to-int with branch-free implementation
  
  zifeihan
  and
  DingliZhang
  committed
  4b477f0
- 8394216: RISC-V: Elide the leading membar of an LR/SC based CAS
  zifeihan
  committed
  63745d1
- 8393708: [s390x] cleanup remaining Array flattening code checks
  offamitkumar
  committed
  f398fe6
- 8391945: RISC-V: Add floating-point vector multiplication reduction rules
  
  zifeihan
  and
  DingliZhang
  committed
  ce6c5d6
- 8393880: C2: get rid of AnyNull
  marc-chevalier
  committed
  3112a30
- 8388255: PPC64: assert failure in CompiledDirectCall::verify() in test StressNMethodRelocation
  reinrich
  committed
  21b9cb5
- 8392344: Remove unused AI_CANONNAME hints in java.net.InetAddressImpl::lookupAllHostAddr native implementations
  vy
  committed
  0e6513b
- 8392555: Nested method reference on a captured self-type fails
  Dušan Bálek
  committed
  e60e815
- 8393721: Reduce max SO_LINGER value for BSD
  
  authored and
  vy
  committed
  2378b98
- 8392937: G1: Evacuation failure handling leaves out regions on 64TB+ heaps
  
  David Carlier
  authored and
  Thomas Schatzl
  committed
  b532411
- 8392838: [Valhalla] C2: flat, null-restricted array escape state is not propagated through its initialization value
  robcasloz
  committed
  8f5f393
- 8393887: Icmp6SendEcho2/Icmp6SendEcho2ex reply buffer size might be too small (win)
  MBaesken
  committed
  4c44eca
- 8367022: MethodHandles.foldArguments throws unspecified ArrayIndexOutOfBoundsException for negative pos
  
  benshuai5D
  authored and
  JornVernee
  committed
  1c05cd0
- 8393263: JVM Tool Interface spec presentation needs work
  hns
  committed
  7bf2ef4
- 8388519: Add APIs to get supported and negotiated named groups
  artur-oracle
  committed
  7996ac7
- 8390358: HotCodeCollector can relocate never-sampled nmethod
  Evgeny Astigeevich
  committed
  2ce50fa
- 8393682: BigDecimal.{toBigInteger(), toBigIntegerExact()} could special-case small values
  jddarcy
  committed
  52c1cf3
- 8393744: JFR: Remove unused classes, methods, fields and imports
  egahlin
  committed
  444fccb
- 8392771: Add 2 Certum roots
  Rajan Halade
  committed
  0d1b5e7
- 8394084: Minor enhancements to ObjectStreamPrinter
  Stuart Marks
  committed
  b74cc9b
- 8393473: Remove unused medialib ConvolveOp code for float/double data
  prrace
  committed
  18ba1e4
- 8393554: Shenandoah: Remove ShenandoahImplicitGCInvokesConcurrent option
  William Kemper
  committed
  26582da
Commits on Oct 13, 2026
- 8389460: JVMTI IterateThroughHeap class filter skips flattened value objects
  Serguei Spitsyn
  committed
  10f4d3d
- 8394236: RISC-V: Fix StoreLoad ordering for sequentially consistent CAS
  zifeihan
  committed
  ca27bf4
- 8384612: Test serviceability/dcmd/gc/HeapDumpParallelTest.java failed on a single core machine
  
  benshuai5D
  authored and
  Serguei Spitsyn
  committed
  dac5598
- 8387577: [s390x] TestSharedCloseJFR.java failure due to null pc
  
  vpa1977
  authored and
  offamitkumar
  committed
  6386689
- 8393995: Some tests fail due to unexpected flags after JDK-8393182
  TobiHartmann
  committed
  2495eae
- 8394255: PPC64: Assembler::is_within_range_of_b() and ::is_within_range_of_bcxx are too strict
  reinrich
  committed
  aacc17a
- 8392087: Test compiler/vectorapi/VectorMaskCompareNotTest.java fails IR verification
  Jatin Bhateja
  committed
  97f3240
- 8393469: Avoid switching off the unused-variable warning in BUILD_LIBAWT
  MBaesken
  committed
  dcf8c88
- 8394181: Call free in getMacAddress on original malloced nddp pointer and not on some other pointer
  MBaesken
  committed
  de43ced
- 8393077: Shenandoah: Worker SATB buffers should be processed in concurrent phase
  shipilev
  committed
  76950fa
- 8394235: PPC64: Remove unreachable non-acquiring CAS match rules
  albertnetymk
  committed
  bcaba36
- 8391895: RISC-V: Add unsigned vector min/max reductions
  
  zifeihan
  and
  DingliZhang
  committed
  059de78
- 8394217: Allow poller group be configured to have no write pollers
  Alan Bateman
  committed
  dfebf8c
- 8394375: Non-literal boolean constant expressions in switch crash the compiler
  biboudis
  committed
  7da6b6e
- 8394182: Move oopCast.inline.hpp functions to oop.inline.hpp
  stefank
  committed
  262d92d
- 8387719: Building the JDK: running `bash configure` does not detect musl
  
  benshuai5D
  authored and
  shipilev
  committed
  b235d14
- 8393664: G1: Rename inactive region state to pending uncommit
  Thomas Schatzl
  committed
  64f829f
- 8394316: (ch) Channels.newInputStream skip returns negative value if position > size
  Alan Bateman
  committed
  46d3486
- 8394031: Include MetalToolchain in the macOS devkit
  vidmik
  committed
  0bfa055
- 8392991: SimpleDateFormat CLDR zone name format and parse can change the instant
  justin-curtis-lu
  committed
  d75a38d
- 8393752: jdi/stress/serial/heapwalking002/TestDescription.java fails with "Unexpected size of referenceType.instances(java.lang.ThreadGroup)"
  
  shivshah-oracle
  authored and
  Serguei Spitsyn
  committed
  a5afd6e
- 8394032: Remove un-used math tables from medialib native code
  prrace
  committed
  9a95fa6
- 8394229: Add missing @Override annotations in "sun.print" package part 2
  mrserb
  committed
  eba245f
- 8388986: javac is crashing with SOE in Types.glbFlattened
  Vicente Romero
  committed
  f953391
Commits on Oct 14, 2026
- 8394234: RISC-V: Remove unreachable non-acquiring CAS match rules
  albertnetymk
  committed
  493cb30
- 6340855: Remove sun.cpu.isalist property
  djelinski
  committed
  c368bac
- 8394406: RISC-V: Preserve StoreLoad barriers before CAS and fast locking
  zifeihan
  committed
  e344a37
- 8393016: (fs) FileChannelLinesSpliterator.tryAdvance/forEachRemaining does not check if action is null
  
  PeyaPeyaPeyang
  authored and
  vy
  committed
  446786a
- 8390618: Move debuginfo related code to salibelf from symtab
  YaSuenag
  committed
  4b9e4a1
- 8394502: [s390x] TestZGCBarrierElision.java test failure
  
  Harshit Dhiman
  authored and
  offamitkumar
  committed
  16c6239
- 8394343: PPC64: C2: incorrect lshl of positive integer
  reinrich
  committed
  f3f7829
- 8393580: C2: "assert(_base >= OopPtr && _base <= AryPtr) failed: Not a Java pointer" with -XX:PerMethodTrapLimit=0
  merykitty
  committed
  f7360da
- 8393459: [test] TestDefaultArchiveLoading.java is incorrectly ignored on Windows
  
  fthevenet
  authored and
  jerboaa
  committed
  3dca177
- 8392541: Remove the internal BufferStack and CaptureStateUtil
  minborg
  committed
  7f0d1d9
- 8392597: ZGC: Test gc/metaspace/TestMetaspaceFirstGC.java still fails after JDK-8391711
  
  shivshah-oracle
  authored and
  Markus Grönlund
  committed
  a6b5c4b
- 8394303: RISC-V: Simplify C1 compare-and-swap result handling
  albertnetymk
  committed
  82f5b10
- 8392686: Don't attempt to reserve address space for compressed classes as unscaled or zero-based encoding with COH enabled
  
  fthevenet
  authored and
  adinn
  committed
  39c6f4b
- 8394429: RISC-V: Enable Zalasr extensions in Xuantie vendor at product mode
  zifeihan
  committed
  e2e948a
- 8391921: RISC-V: Add C2 vector support for CompressBitsV and ExpandBitsV
  
  zifeihan
  and
  DingliZhang
  committed
  aff48c4
- 8393482: assert(false) failed: PhaseCCP not at fixpoint: analysis result may be unsound for DecodeNKlass
  Vladimir Kozlov
  committed
  2460980
- 8394492: Update FreeType to 2.15.0
  jayathirthrao
  committed
  8efc77d
- 8394419: [PPC64] Cleanup after JDK-8331859
  TheRealMDoerr
  committed
  b002439
- 8391086: Shenandoah: Remembered set scan needs to balance queues better
  kdnilsen
  committed
  cfb8c9c
- 8394461: Rename ClassLoaderDataShared to AOTModules
  iklam
  committed
  76310cb
- 8393281: JDK-8392214 is incomplete
  fparain
  committed
  f6ebed4
- 8394583: ProblemList java/awt/dnd/Button2DragTest/Button2DragTest.java due to the JDK-8394582
  Alexander Zuev
  committed
  610607d
- 8394493: RISC-V: Enable RVV IR checks in compiler gallery tests
  DingliZhang
  committed
  4dde007
Commits on Oct 15, 2026
- 8387279: javac error message refers to value_class modifier instead of value
  Vicente Romero
  committed
  44647eb
- 8394585: Move AOT code from modules.cpp to aotModules.cpp
  iklam
  committed
  84054db
Commits on Oct 20, 2026
- Merge branch 'sapmachine' into pr-jdk-28+20
  RealCLanger
  committed
  91751f2

Commits

Commits on Oct 8, 2026

Commits on Oct 9, 2026

Commits on Oct 10, 2026

Commits on Oct 12, 2026

Commits on Oct 13, 2026

Commits on Oct 14, 2026

Commits on Oct 15, 2026

Commits on Oct 20, 2026