8317279: Standard library implementation of value classes and objects#31123

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Commits on Apr 16, 2026

8379694: [lworld] Add value class test coverage to java.util.Arrays

Bill Huang
authored and
lmesnik
committed
8381854: [lworld] Add acmp maps test to the FieldLayoutAnalyzer
fparain
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Merge
MrSimms
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8383141: [lworld] Update javax.lang.model.element.Modifier.VALUE with preview tag
Dan Smith
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Commits on May 4, 2026

8383628: [lworld] C1 parts of JDK-8350865
TobiHartmann
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8383417: [lworld] Implement limitation to the size of instances due to flattening
fparain
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8383164: [lworld] javadoc updates for value class serialization
Dan Smith
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Merge lworld
MrSimms
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8383996: [lworld] C2: assert(false) failed: no node with a side effect

mhaessig
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TobiHartmann
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8384642: [lworld] TestMemBars.java assert(C->failure_is_artificial()) after jdk-27+22
marc-chevalier
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8384903: [lworld] AArch64: clearArray_imm_reg no longer matches

dean-long
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TobiHartmann
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8380921: [lworld] compiler/stable/TestStableArrayMembars.java IR mismatch with preview enabled

mhaessig
authored and
TobiHartmann
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8385009: [lworld] cherry-pick JDK-8384815 SelectOneKeyOutOfMany and PreferredKey fail after expired test certificate
Daniel D. Daugherty
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8385012: [lworld] cherry-pick JDK-8384948 Disable DelayAfterInliningCutoff until memory consumption issues are fixed
Daniel D. Daugherty
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8385010: [lworld] cherry-pick JDK-8384124 TestCompilerCounts.java fails CICompilerCount is too large
Daniel D. Daugherty
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8385015: [lworld] cherry-pick JDK-8384553 ProblemList runtime/jni/critical/SuspendInCritical.java for virtual threads
Daniel D. Daugherty
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8385021: [lworld] ProblemList vmTestbase/nsk/jvmti/IterateOverReachableObjects/iterreachobj002/TestDescription.java
Daniel D. Daugherty
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Commits on May 20, 2026

8381373: [lworld] C2 failed assert(!flat || flat_array) failed: inconsistency
TobiHartmann
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Commits on May 22, 2026

8385167: [lworld] C1: minor cleanups

mhaessig
authored and
TobiHartmann
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8384924: [lworld] misc cleanups

dean-long
authored and
TobiHartmann
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Merge
MrSimms
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8385259: [lworld] Clean up LP64 in x86 code
coleenp
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8385311: [lworld] TypePtr::eq() should use accessor method for _offset
TobiHartmann
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8385331: [lworld] adjust ValueComparisonTest.java again to work around JDK-8370769
Daniel D. Daugherty
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8385301: [lworld] Remove serviceability/sa/TestJhsdbJstackMixedWithXComp.java from problem list
plummercj
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8385344: [lworld] ProblemList tools/javac/platform/CanHandleClassFilesTest.java with --enable-preview
Daniel D. Daugherty
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Commits on May 25, 2026

Merge remote-tracking branch 'valhalla/lworld' into 8317277
MrSimms
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Commits on May 27, 2026

8383658: [lworld] Add value class test coverage to java.util.Collections

Bill Huang
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lmesnik
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8386342: [lworld] Large overlapping flat arraycopy overflows payload offset

caspernorrbin
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fparain
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8386240: [lworld] Port JEP 401 to RISC-V

authored and
MrSimms
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8386464: [lworld] Random core libs cleanup
liach
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Commits on Jun 13, 2026

8386316: [lworld] Replace Valhalla since version with 28
liach
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8386623: [lworld] Cleanup module support for system modules in JDK exploded build with preview resources

Alan Bateman
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liach
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Merge
MrSimms
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8386618: [lworld] Remove unused entry_guard_Relocation

RealFYang
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liach
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8386598: [lworld] C1 acmp profiling fix and minor cleanup

TheRealMDoerr
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liach
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8376346: [lworld] Basic Shenandoah support

shipilev
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merykitty
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8385743: [lworld] investigate and address build related comments in the Valhalla PR
Daniel D. Daugherty
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Commits on Jun 16, 2026

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Merge
MrSimms
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8386638: [lworld] Port JEP 401 to PPC64

authored and
MrSimms
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8386904: [lworld] ProblemList tests that fail due to JDK-8375645 on all platforms
Daniel D. Daugherty
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Commits on Jun 23, 2026

8387054: [lworld] BACKOUT JDK-8375694 C2: Dead loop constructed with CastPP in late inlining
Daniel D. Daugherty
committed

Commits on Jun 24, 2026

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