Merge to tag jdk-28+12 - #2390

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SapMachine wants to merge 89 commits into

Commits on Aug 13, 2026

8387853: HttpServer unexpectedly closes the connection after first response to empty requests if "drainAmount <= 0"
vy
committed
48c8494
8390136: ResourceMark needed for external_name calls in continuationFreezeThaw.cpp
MBaesken
committed
3b1f203
8390190: [IR-Framework] Integrate valhalla IR nodes into IRNode.java
mhaessig
committed
0a2e196
8389325: Remove the UseObjectMonitorTable flag and related code
fbredber
committed
34dda4e
8390122: Shenandoah: SBS::oop_load drops memory ordering decorators
shipilev
committed
0ffccaa
8382604: Remove unused kscratch temp register from mask_opers_evex

Suchismith Roy
authored and
offamitkumar
committed
740621f
8389209: Add sccache support to the build

raneashay
authored and
erikj79
committed
5a91262
8388458: RISC-V: Use LSB for conditional card mark in G1 post-write barrier

zifeihan
and
DingliZhang
committed
66a0483
8386510: AArch64: MacroAssembler constructor undefined behaviour

Suchismith Roy
authored and
Varada M
committed
b820734
8389868: Empty LocalVariableTable attribute is generated for an unused variable in clinit
Dušan Bálek
committed
1f74b50
8390215: Shenandoah: Simplify GC logging by dropping unnecessary suffixes
shipilev
committed
bc6d4fd
8389293: Remove developer flag -XX:ArchiveHeapTestClass
iklam
committed
f9ee545
8389866: ZGC: Accepts an extremely negative ZAllocationSpikeTolerance value
Fairoz Matte
committed
4771360
8388596: Virtual-thread freeze asserts on MethodHandle frame with scalarized value argument

pchilano
and
TobiHartmann
committed
3efdba9
8389071: Javac crashes with OutOfMemoryError during Least Upper Bound (LUB) inference of highly entangled F-bounded generic classes
Vicente Romero
committed
844f1fe
8389187: -XX:+VerifyContinuations triggers assert(max_thawing_size() == calculated_max_size)

pchilano
and
TobiHartmann
committed
993f7b3
8387792: Enable PAC-RET for VM code on Windows/ARM64

raneashay
authored and
David Holmes
committed
aa0fbef

Commits on Aug 14, 2026

8387332: Template Framework: Add utility methods to build scopes
chhagedorn
committed
9646856
8389987: null is accepted as synchronized lock
lahodaj
committed
a0d9b0a
8389659: Cannot invoke "com.sun.tools.javac.code.Type.getTag()" because "type" is null on invalid LHS
lahodaj
committed
88dfb74
8378525: ZGC: Refactor ZBarrierSet to better fit with ZGC coding style
stefank
committed
782b49e
8390329: Obsolete AlwaysCompileLoopMethods VM flag
Vladimir Kozlov
committed
16bf273

Commits on Aug 15, 2026

8388525: Disallow different module options between AOT training and assembly
iklam
committed
982afa5
8389677: RISC-V: Prefer vmv.v.i to zero vector registers

authored and
RealFYang
committed
2749a4c
8387267: Editor for the last column in JTable is hard to activate after AUTO_RESIZE_LAST_COLUMN was configured
prsadhuk
committed
3d47518

Commits on Aug 17, 2026

8390249: Add missing @Override annotations in "javax.imageio.stream" package
mrserb
committed
88521b3
8390183: Some typos in JavaDocs for the java.desktop module
prsadhuk
committed
157c492
8390296: Swing MultiUIDefaults#containsKey inconsistancy
prsadhuk
committed
3ef007a
8389579: C2: Missed Ideal optimization opportunity in PhaseIterGVN for CompressBits and ExpandBits

hgqxjj
authored and
TobiHartmann
committed
5eaf42f
8386580: Typing corrections and style improvements in x86 ML DSA/KEM/SHA3 stub code
Daniel Skantz
committed
5962e82
8252185: [Valhalla] Improve performance of identityHashCode for value objects
marc-chevalier
committed
1d3c7e2
8390101: RISC-V: Use vmandn.mm for vector mask and-not
DingliZhang
committed
4555cf2
8387494: ResolvedMethodName::vmtarget is not updated when class in AOT cache is redefined
iklam
committed
8588809
8389829: (fs) Copying symbolic link fails in Developer Mode (win)

raneashay
authored and
Alan Bateman
committed
3eefd7a
8390447: Update ProblemList-Xcomp.txt entries for 8388438
iklam
committed
134c07f
8390357: AOTMapTest.java fails --vmoptions:--enable-preview
iklam
committed
c328739
8390202: Typos in the javadoc of various classes in jdk.sctp module
jaikiran
committed
f5a5934
8368350: Do not support -XX:+AOTClassLinking for static CDS archive
Matias Saavedra Silva
committed
0d2320a
8390184: Some typos in the jdk.jdi module
Fairoz Matte
committed
079d77c
8378896: A make target "clean-microbenchmark", for micro development

benshuai5D
authored and
liach
committed
efd8ae1
8382471: Improve Resource Resolving

wangweij
authored and
bchristi-git
committed
9c924f9
8384708: Enhance HTTP Connections

authored and
bchristi-git
committed
d8605e3
8386298: Improve font loading

prrace
authored and
bchristi-git
committed
b2d3948
8386205: Enhance TLS server

Hai-May Chao
authored and
bchristi-git
committed
44e6f04
8390429: Enable suspend001 jdb test to run with virtual threads

shivshah-oracle
authored and
plummercj
committed
9139138
8390484: Problem list appcds/aotCache/ tests
Matias Saavedra Silva
committed
f3cf3e2
8390452: RISC-V: gc/shenandoah/TestSieveObjects.java fails with "assert(UseZba) failed: must be"
DingliZhang
committed
4d812a6

Commits on Aug 18, 2026

8390493: Remove vmTestbase/nsk/jvmti/IterateOverReachableObjects/iterreachobj002/TestDescription.java from the ProblemList
David Holmes
committed
92e236a
8390441: RISC-V: Fix C2 stack-to-stack spill copies with large offsets

zifeihan
authored and
RealFYang
committed
764e83c
8390455: Fix more typos in java.desktop module
prsadhuk
committed
4a653f8
8389859: Missing TYPE_USE annotations on type variable uses
Dušan Bálek
committed
64e0cf4
8362117: C2: compiler/stringopts/TestStackedConcatsAppendUncommonTrap.java fails with a wrong result due to invalidated liveness assumptions for data phis

Daniel Skantz
and
eme64
committed
c2d84f0
8390467: C2: _map != nullptr assert failure in LibraryCallKit::inline_Class_cast()
rwestrel
committed
0741f25
8390065: TestDockerMemoryMetrics.java fails in MetricsMemoryTester failcount

Domest0s
authored and
caspernorrbin
committed
c2e49da
8390133: JFR: OngoingStream reads stale header
egahlin
committed
3be31d1
8390102: RISC-V: Support AOT Code Cache

cczdsq
authored and
adinn
committed
8a507d8
8381564: [IR Framework] Fix race between accept thread and Driver VM thread
chhagedorn
committed
60140b6
8390307: Shenandoah: Print region age in region printouts
shipilev
committed
29c7198
8389873: C2 crashes in ConnectionGraph::can_reduce_phi during escape analysis
Cesar Soares Lucas
committed
57649b4
8388292: Shenandoah: Micro-optimize CompressedOops uses
shipilev
committed
c82f3b8
8386861: [Valhalla] emit_opSubstitutabilityCheck speedup

PeyaPeyaPeyang
authored and
TheRealMDoerr
committed
8ac703a
8388792: False positives in jdk_foreign test suite
JornVernee
committed
87e206b
Merge
Brent Christian
committed
2432d59

Commits on Aug 19, 2026

8368597: make should support selection by status for JTREG tests

Vladimir Ivanov
authored and
jaikiran
committed
8f39657
8389858: [VectorAPI] VectorMask.toVector API note incorrectly describes the result for fp masks
Xueming Shen
committed
a30608c
8390330: Remove deprecated Log() constructor and logTo() method from nsk.share.Log

shivshah-oracle
authored and
David Holmes
committed
d59bc6d
8389378: RISC-V: Eliminate redundant sext.w by fusing ConvI2L with int producers

zifeihan
authored and
RealFYang
committed
7d95b50
8390590: [BACKOUT] C2: Fix the memory around some intrinsics nodes
Vladimir Kozlov
committed
4b77534
8390432: Zero i386 build broken after JDK-8389219

vpa1977
authored and
shipilev
committed
aa7e2c6
8390044: RISC-V: Support vector integer division

Elain520
authored and
DingliZhang
committed
efb9d9f
8387014: C2: stringopts produces NegativeArraySizeException instead of OOM for UTF-16 overflow
Daniel Skantz
committed
90f142d
8389576: Test resourcehogs/runtime/ValueTearingTest.java fails due to ArrayIndexOutOfBoundsException on many-core machines
johan-sjolen
committed
45f3ef3
8389096: Multiple hangs trying to execute GC with GCALotAtAllSafepoints and ScavengeALot
Thomas Schatzl
committed
a158131
8383567: VM.class_print_layout should use external class names
caspernorrbin
committed
03f94c6
8390591: Add regression test for JDK-8390590

committed
6994a51
8390480: Remove unnecessary check in ThawBase::patch
pchilano
committed
d36bead
8389310: Virtual thread can miss deoptimization when propagating exception
pchilano
committed
5da4e41
8384600: Improve java_lang_Throwable::fill_in_stack_trace
coleenp
committed
c1090a0
8388979: javac crashes with NullPointerException in Types.erasure when evaluating bounds of mutually dependent array type variables inside an intersection type definition
Vicente Romero
committed
bbd0ca0
8378071: Class ThreadSnapshot$ThreadLock is not initialized by VM
lmesnik
committed
bc03802
8390683: Problemlist gc/TestGCALotAtSafepoints tests
Thomas Schatzl
committed
212d3a2
8387798: VectorAPI: VectorOperators.DIV javadoc incorrectly says "Floating only"
Xueming Shen
committed
d4bfdf7
8390335: Refactor AOTClassLocationConfig::validate()
iklam
committed
9a601b4
8390240: Full chunk thawing path misses deoptimization check in monitorenter case
pchilano
committed
84f01bb

Commits on Aug 20, 2026

8390522: RISC-V: Avoid clobbering ra in the nmethod entry barrier

zifeihan
authored and
DingliZhang
committed
bd929ac
8298991: vmTestbase/nsk/sysdict tests fail with OOME: Java heap space: failed reallocation of scalar replaced objects

shivshah-oracle
authored and
David Holmes
committed
de2b1b8
8390521: RISC-V: Clean up vector register dispatch in MachSpillCopyNode::implementation
DingliZhang
committed
87952df
8389939: RISC-V: OrderAccess can be simplified by UseZtso

Kuai Wei
authored and
D-D-H
committed
ab2ddc4
8390625: C2_MacroAssembler::vector_iota_entry_index hits assert(regs[i] != regs[j])
TobiHartmann
committed
6175a0a