Merge to tag jdk-27+20#2225

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SapMachine wants to merge 215 commits intosapmachinefrom

Commits on Apr 16, 2026

8381382: Shenandoah: assert(capacity > 0) failed: free regions must have allocation capacity
Xiaolong Peng
committed
8379129: C2 crash in LoadNode::can_split_through_phi_base during Escape Analysis (JDK 25.0.1+8)

anton-seoane
authored and
robcasloz
committed
8381176: Utilities.expectedNegoAppProtocol chooses client ALPN protocol over server's
Matthew Donovan
committed
8382045: Increase AOT C strings table size in not product VM
Vladimir Kozlov
committed
8382327: Disable some SA tests for mixed jstack on musl C
YaSuenag
committed
8373922: Enhance Taglet API to support relative URLs
hns
committed
8356223: ProblemList-AotJdk.txt should be added automatically if AOT mode is tested
lmesnik
committed
8382267: VectorMathLibrary uses locale-sensitive String.format to construct native symbol names
ChrisHegarty
committed
8382103: Shenandoah: Optimize ShenandoahLock size for release build

pf0n
authored and
kdnilsen
committed
8381933: Possible memory leak in src/hotspot/share/gc/shenandoah/shenandoahHeapRegionCounters.cpp

pf0n
authored and
kdnilsen
committed
8316439: Several jvmti tests fail with -Xcheck:jni

shivshah-oracle
authored and
lmesnik
committed
8347248: Rename arg_count to arg_size
Matias Saavedra Silva
committed
8382150: Shenandoah: Clean up nmethod entry barrier support
shipilev
committed
8382257: Shenandoah: Clean up stack watermark barrier support
shipilev
committed

Commits on Apr 17, 2026

Commits on Apr 19, 2026

Commits on Apr 20, 2026

8382090: Remove .rej and .orig from .gitignore

Domest0s
authored and
SendaoYan
committed
8382312: Cleanup instanceKlass dead code

dev-jonghoonpark
authored and
David Holmes
committed
8382315: RISC-V: TestMultiplyReductionByte.java fails with guarantee(is_uimm5(imm)) failed: uimm is invalid
DingliZhang
committed
8375905: Add a missing bailout check in PhaseCFG::schedule_late and a test to exercise more bailout code paths
Daniel Skantz
committed
8378462: Build fails with --enable-linktime-gc set when using some devkits/toolchains
MBaesken
committed
8382420: [macos] remove java/awt/Modal/ToBack/ tests from problemlist
Alexander Zvegintsev
committed
8382422: G1: G1GCPhaseTimes::record_merge_heap_roots() uses += instead of direct assignment
Thomas Schatzl
committed
8382423: G1: Remove unused G1GCPhaseTimes::_external_accounted_time_ms
Thomas Schatzl
committed
8382418: G1: Remove some stale comments about time accounting
Thomas Schatzl
committed
8381935: Improve numChunks range in the PPC64 CallAranger
minborg
committed
8381012: Add warning for == for MemorySegment.NULL
minborg
committed
8382393: Enable VectorStoreMaskIdentityTest.java IR tests for RISC-V
DingliZhang
committed
8382401: Remove return type parameters from FREE_ and REALLOC_ macros
stefank
committed
8365147: AArch64: Replace DMB + LD + DMB with LDAR for C1 volatile field loads

authored and
Fei Gao
committed
8379744: Add a way to update the key of a red-black tree node
caspernorrbin
committed
8382054: TestLoopPeelingDisabled.java fails with -DVerifyIR=false

raneashay
authored and
dafedafe
committed
8382441: Problemlist TestStressAllocationGCEventsWithShenandoah and TestStressBigAllocationGCEventsWithShenandoah

Rui Li
authored and
shipilev
committed
8382430: Extend output format of -XX:+PrintCompilation2 diagnostic flag
Vladimir Kozlov
committed
8381617: vm_version_windows_aarch64.cpp: PF_ARM_SVE_INSTRUCTIONS_AVAILABLE undeclared identifier

raneashay
authored and
Vladimir Kozlov
committed
8375177: Gtest os_linux.decoder_get_source_info_valid_vm fails with -ffunction-sections
MBaesken
committed
8379531: Shenandoah: Allow safepoint preemption during allocation of very large arrays
Xiaolong Peng
committed
8381985: Shenandoah: allocation rate sample could be wrong in some rare cases
Xiaolong Peng
committed
8380971: New -Werror syntax does not exclude categories
archiecobbs
committed
8382396: RepaintManager throws NPE when painting detached JPanel without volatile buffering

Jeremy Wood
authored and
aivanov-jdk
committed
8382306: Remove JvmtiTagMap::check_hashmap
lmesnik
committed
8335355: Shenandoah: Fix race condition in gc/shenandoah/mxbeans/TestPauseNotifications.java
William Kemper
committed

Commits on Apr 21, 2026

8382359: Align 32-bit data in AOT Code Cache to sizeof(uint)
Vladimir Kozlov
committed
8382395: Disable stringop-overflow in shenandoahGenerationalHeap.cpp
Hao Sun
committed
8382419: Add missed @key randomness after JDK-8370489
GoeLin
committed
8382277: Shenandoah: Improve mutator runtime entry points
shipilev
committed
8382166: [AOT Cache] CRC was not checked on Code Region

María Arias de Reyna Domínguez
authored and
rwestrel
committed
8367330: Loosen container detection to include soft limits
caspernorrbin
committed
8381642: javac provides the wrong line number for an error in a lambda expression

dbalek
authored and
mcimadamore
committed
8382499: G1: Let non young cset choice time also use Ticks API for measurements
Thomas Schatzl
committed
8307537: Print blobs/nmethods/adapters stats per code heap in CodeCache::print_summary
Evgeny Astigeevich
committed
8261289: Incorrect cleanup in LDAP TLS handling
jaikiran
committed
8376587: Fatal "dead path discovered by TypeNode during igvn" after C2 compilation
rwestrel
committed
8382609: G1: Remove outdated comments in do_full_collection
albertnetymk
committed
8378901: Test "java/foreign/TestSegmentOffset.java timed out
minborg
committed
8372688: Test out-of-bounds indexing for List.ofLazy()::get
minborg
committed
8364148: Test java/foreign/StdLibTest.java timed out after passing on linux-x64-zero
minborg
committed
8382617: Test runtime/cds/appcds/aotCache/AOTCacheConsistency.java fails with "can't find HelloWorld in test directory or libraries"

María Arias de Reyna Domínguez
authored and
Arraying
committed
8382625: G1: Constify G1Policy::need_to_start_conc_mark()
Thomas Schatzl
committed
8382620: G1: Remove unused G1RefineRegionClosure::_num_collections_at_start
albertnetymk
committed
8359166: C2 asserts in Assembler::addr_nop_5 with -XX:-UseAddressNop
Andrew Haley
committed
8379567: URL documentation about encoding/decoding is hard to read

jtnord
authored and
vy
committed
8382487: Remove unnecessary SuppressWarnings annotations in java.desktop
prrace
committed
8382681: GenShen: ProblemList TestThreadFailure
William Kemper
committed

Commits on Apr 22, 2026

8382588: AArch64: Sync aarch64_vector.ad with aarch64_vector_ad.m4 after JDK-8382039
Hao Sun
committed
8382684: jpackage: assorted fixes of the test lib
Alexey Semenyuk
committed
8378180: Compiling OpenJDK with C23 C-Compiler gives warning: initialization discards ‘const’ qualifier from pointer target type
jaskarth
committed
8381993: Simplify MetaspaceClosure handling of Array and GrowableArray
iklam
committed
8348014: Enhance certificate processing

Anthony Scarpino
authored and
jaikiran
committed
8367463: Improved Arena allocations

minborg
authored and
jaikiran
committed
8364373: Transform Affine transformations

jayathirthrao
authored and
jaikiran
committed
8370529: Enhance Path Factories Redux

JoeWang-Java
authored and
jaikiran
committed
8364465: Enhance behavior of some intrinsics

authored and
jaikiran
committed
8370615: Improve Kerberos credentialing

wangweij
authored and
jaikiran
committed
8371830: Enhance certificate chain validation

artur-oracle
authored and
jaikiran
committed
8369575: Enhance crypto algorithm support

Valerie Peng
authored and
jaikiran
committed
8371935: Enhance key generation

Valerie Peng
authored and
jaikiran
committed
8370986: Enhance Zip file reading

Xueming Shen
authored and
jaikiran
committed
8374557: Enhance TLS connection handling

djelinski
authored and
jaikiran
committed
8370995: Enhance ZipFile usage
jaikiran
committed
8374888: Implement internal test cache to help UserIterCount test performance

coffeys
authored and
jaikiran
committed
8382501: Rename occurrences of com.sun.hotspot.perfdata in HotSpot source code

hextriclosan
authored and
Arraying
committed
8382529: Tests com/sun/jdi/RedefineCrossEvent.java and com/sun/jdi/ClassesByName2Test.java fail when running frequent GC
jsikstro
committed
8382522: Disable stringop-overflow in safepointMechanism.cpp
DingliZhang
committed
8359665: JFR: Specification should use long and boolean, not Long and Boolean
egahlin
committed
Merge
jaikiran
committed
8370102: Print method signatures in edge cases when using TraceBytecodes
Arraying
committed
8381829: Obsolete AggressiveHeap
jsikstro
committed
8373298: Test java/foreign/TestBufferStackStress.java timed out then completed
minborg
committed
8380849: VoiceOver Fails to Activate Custom Button

Jeremy Wood
authored and
prrace
committed
8381771: Add a check for DNS label not to end with a hyphen
artur-oracle
committed
8382634: Remove redundant TLABRefillWasteFraction zero check
albertnetymk
committed
8382843: Update ProblemList comments for preview features
Daniel D. Daugherty
committed
8369327: On macOS List loses selection when added to Frame
mrserb
committed
8378894: AOT training run crashes with jcmd VM.native_memory
iklam
committed

Commits on Apr 23, 2026

Commits on Apr 24, 2026

8345631: TestRegionSamplingLogging.java#generational-rotation intermittent fails
SendaoYan
committed
8383162: jpackage: decouple WinMsiPackager and RTF converter
Alexey Semenyuk
committed
8383163: Build without CDS broken after 8382170
iklam
committed
8376300: Avoid more leaks in KeystoreImpl.m because of missing CFRelease calls
MBaesken
committed
8381811: [S390] Add support for JDK-8200555

Harshit470250
authored and
TheRealMDoerr
committed
8382934: LateInlineQueueDrainTest.java fails without diagnostic option
SendaoYan
committed
8180483: sun.net.www.protocol.http.HttpClient::available may consume one character
vy
committed
8381723: Crash in fastdebug VM: assert(strlen(name1) + strlen(name2) < sizeof(stub_id)) failed
minborg
committed
8382878: RISC-V: Missing InlineSkippedInstructionsCounter in ZGC barriers stubs

zifeihan
authored and
RealFYang
committed
8382614: Consolidate implementation of current_stack_base_and_size on BSD

Harald Eilertsen
authored and
David Holmes
committed
8381651: Remove non-failing ModalFocusTransfer test from Problemlist
prsadhuk
committed
8381975: CPU feature verification in AOTCodeCache should check for exact match

Ashutosh Mehra
and
Vladimir Kozlov
committed
8382485: ArrayIndexOutOfBoundsException was hiding in ClhsdbPrintAll.jtr
YaSuenag
committed
8382375: Remove obsolete options from CLDRConverter
naotoj
committed

Commits on Apr 25, 2026

Commits on Apr 26, 2026

8381452: TestMultiplyReductionByte.java: Update the IR test on AArch64 for vector length above 128 bits
Hao Sun
committed

Commits on Apr 27, 2026

Commits on Apr 28, 2026

Commits on Apr 29, 2026

Commits on Apr 30, 2026

8383542: Remove hard-coded enum value from CPU_FEATURE_FLAGS
iklam
committed
8383420: SIGSEGV in PhaseChaitin::gather_lrg_masks
Vladimir Kozlov
committed