null initial cache in ClassValueMap #7

plevart · 2020-08-15T08:23:32Z

Preliminary attempt at modifying ClassValue so that initial value for cache field in ClassValueMap is null

bridgekeeper · 2020-08-15T08:24:29Z

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Note: the annotations added to src/java.base/share/classes/java/util/Properties.java are to methods that are new JDK 11.

Fixing a test on Windows.

@valuebased

* Use existing CRC32 code with different table for CRC32-C * 8275643: C2's unaryOp vector intrinsic does not properly handle LongVector.neg Reviewed-by: chagedorn, sviswanathan * 8277213: CompileTask_lock is acquired out of order with MethodCompileQueue_lock Reviewed-by: rbackman, coleenp * 8273039: JShell crashes when naming variable or method "abstract" or "strictfp" Reviewed-by: vromero * 8277324: C2 compilation fails with "bad AD file" on x86-32 after JDK-8276162 due to missing match rule Reviewed-by: chagedorn, roland * 8277371: Remove unnecessary DefNewGeneration::ref_processor_init() Reviewed-by: stefank, tschatzl, mli * 8277439: G1: Correct include guard name in G1EvacFailureObjectsSet.hpp Reviewed-by: tschatzl, sjohanss * 8277449: compiler/vectorapi/TestLongVectorNeg.java fails with release VMs Reviewed-by: thartmann, chagedorn * 8276774: Cookie stored in CookieHandler not sent if user headers contain cookie Reviewed-by: michaelm * 8277427: Update jib-profiles.js to use JMH 1.33 devkit Reviewed-by: shade, erikj * 8275745: Reproducible copyright headers Reviewed-by: ihse, erikj * 8276150: Quarantined jpackage apps are labeled as "damaged" Reviewed-by: almatvee * 8275887: jarsigner prints invalid digest/signature algorithm warnings if keysize is weak/disabled Reviewed-by: weijun * 8277212: GC accidentally cleans valid megamorphic vtable inline caches Reviewed-by: eosterlund, pliden, coleenp, thartmann * 8277342: vmTestbase/nsk/stress/strace/strace004.java fails with SIGSEGV in InstanceKlass::jni_id_for Reviewed-by: dholmes, hseigel * 8274949: Use String.contains() instead of String.indexOf() in java.base Reviewed-by: weijun, dfuchs, vtewari, lancea * 8274333: Redundant null comparison after Pattern.split Reviewed-by: mullan, weijun, rriggs, iris * 8274946: Cleanup unnecessary calls to Throwable.initCause() in java.rmi Reviewed-by: iris, rriggs * 8275386: Change nested classes in jdk.jlink to static nested classes Reviewed-by: alanb, rriggs, iris * 8277092: TestMetaspaceAllocationMT2.java#ndebug-default fails with "RuntimeException: Committed seems high: NNNN expected at most MMMM" Reviewed-by: coleenp * 8277370: configure script cannot distinguish WSL version Reviewed-by: erikj * 8273544: Increase test coverage for snippets Reviewed-by: jjg * 8277494: [BACKOUT] JDK-8276150 Quarantined jpackage apps are labeled as "damaged" Reviewed-by: asemenyuk, tschatzl * 8276662: Scalability bottleneck in SymbolTable::lookup_common() Reviewed-by: redestad, dholmes, iklam, shade * 8272773: Configurable card table card size Reviewed-by: tschatzl, ayang * 8277485: Zero: Fix _fast_{i,f}access_0 bytecodes handling Reviewed-by: sgehwolf, shade * 8224922: Access JavaFileObject from Element(s) Co-authored-by: Jan Lahoda <jlahoda@openjdk.org> Reviewed-by: jjg * 8275448: [REDO] AArch64: Implement string_compare intrinsic in SVE Reviewed-by: ngasson, aph * 8277385: Zero: Enable CompactStrings support Reviewed-by: redestad, adinn * 8277534: Remove unused ReferenceProcessor::has_discovered_references Reviewed-by: tschatzl * 8266593: vmTestbase/nsk/jvmti/PopFrame/popframe011 fails with "assert(java_thread == _state->get_thread()) failed: Must be" Reviewed-by: mdoerr, lmesnik, dcubed * 8277428: G1: Move and inline G1STWIsAliveClosure::do_object_b Reviewed-by: tschatzl, sjohanss * 8273792: JumpableGenerator.rngs() documentation refers to wrong method Co-authored-by: Guy Steele <gls@openjdk.org> Reviewed-by: rriggs * 8274685: Documentation suggests there are ArbitrarilyJumpableGenerator when none Co-authored-by: Guy Steele <gls@openjdk.org> Reviewed-by: rriggs * 8277239: SIGSEGV in vrshift_reg_maskedNode::emit Reviewed-by: sviswanathan, dlong * 8277522: Make formatting of null consistent in Elements Reviewed-by: jlahoda * 8265795: vmTestbase/nsk/jvmti/AttachOnDemand/attach022/TestDescription.java fails when running with JEP 416 Reviewed-by: sspitsyn, dholmes * 8277429: Conflicting jpackage static library name Reviewed-by: almatvee, herrick, erikj * 8273341: Update Siphash to version 1.0 Reviewed-by: dholmes * 8264297: Create implementation for NSAccessibilityProgressIndicator protocol peer Reviewed-by: pbansal * 8277576: ProblemList runtime/ErrorHandling/CreateCoredumpOnCrash.java on macosx-X64 8277577: ProblemList compiler/onSpinWait/TestOnSpinWaitAArch64DefaultFlags.java on linux-aarch64 8277578: ProblemList applications/jcstress/acqrel.java on linux-aarch64 Reviewed-by: mikael * 8277423: ciReplay: hidden class with comment expected error Reviewed-by: chagedorn, thartmann * 8273095: vmTestbase/vm/mlvm/anonloader/stress/oome/heap/Test.java fails with "wrong OOME" Reviewed-by: shade, stefank * 8277542: G1: Move G1CardSetFreePool and related classes to separate files Reviewed-by: ayang, tschatzl * 8277507: Add jlink.debug system property while launching jpackage tests to help diagonize recent intermittent failures Reviewed-by: almatvee * 8277087: ZipException: zip END header not found at ZipFile#Source.findEND Reviewed-by: lancea * 8276216: Negated character classes performance regression in Pattern Reviewed-by: clanger * 8277556: Call ReferenceProcessorPhaseTimes::set_processing_is_mt once Reviewed-by: sjohanss, tschatzl * 8277560: Remove WorkerDataArray::_is_serial Reviewed-by: sjohanss, tschatzl * 8277413: Remove unused local variables in jdk.hotspot.agent Reviewed-by: lmesnik, tschatzl, sspitsyn * 8277441: CompileQueue::add fails with assert(_last->next() == __null) failed: not last Reviewed-by: chagedorn, neliasso * 8276696: ParallelObjectIterator freed at the wrong time in VM_HeapDumper Reviewed-by: pliden, stefank * 8272042: java.util.ImmutableCollections$Map1 and MapN should not be @valuebased Reviewed-by: mchung, iris, naoto, smarks * 8277649: [BACKOUT] JDK-8277507 Add jlink.debug system property while launching jpackage tests to help diagonize recent intermittent failures Reviewed-by: alanb, stefank * 8254108: ciReplay: Support incremental inlining Reviewed-by: dlong, thartmann * 8261847: performance of java.lang.Record::toString should be improved Reviewed-by: jlaskey, redestad * 8268725: jshell does not support the --enable-native-access option Reviewed-by: sundar * 8277350: runtime/jni/checked/TestPrimitiveArrayCriticalWithBadParam.java times out Reviewed-by: hseigel, dholmes, lmesnik * 8277451: java.lang.reflect.Field::set on static field with invalid argument type should throw IAE Reviewed-by: alanb * 8271623: Omit enclosing instance fields from inner classes that don't use it Reviewed-by: vromero, jlahoda * 8276764: Enable deterministic file content ordering for Jar and Jmod Reviewed-by: mchung, ihse * 8265796: vmTestbase/nsk/jdi/ObjectReference/referringObjects/referringObjects002/referringObjects002.java fails when running with JEP 416 Reviewed-by: cjplummer, mchung * 8277503: compiler/onSpinWait/TestOnSpinWaitAArch64DefaultFlags.java failed with "OnSpinWaitInst with the expected value 'isb' not found." Reviewed-by: chagedorn, aph, phh * 8277397: ZGC: Add JFR event for temporary latency measurements Reviewed-by: eosterlund, jbachorik, pliden, mgronlun * 8277399: ZGC: Move worker thread logging out of gc+phase=debug Reviewed-by: eosterlund, pliden * 8273328: Compiler implementation for Pattern Matching for switch (Second Preview) Reviewed-by: vromero, mcimadamore * 8277562: Remove dead method c1 If::swap_sux Reviewed-by: thartmann, neliasso * 8277042: add test for 8276036 to compiler/codecache Reviewed-by: chagedorn, thartmann * 8275063: Implementation of Foreign Function & Memory API (Second incubator) Reviewed-by: erikj, psandoz, jvernee, darcy * 8275320: NMT should perform buffer overrun checks 8275320: NMT should perform buffer overrun checks 8275301: Unify C-heap buffer overrun checks into NMT Reviewed-by: simonis, zgu * 8276665: ObjectInputStream.GetField.get(name, object) should throw ClassNotFoundException Reviewed-by: naoto, lancea, smarks * 8272728: javac ignores any -J option in @argfiles silently Reviewed-by: jjg * 8235876: Misleading warning message in java source-file mode Reviewed-by: vromero * 8274161: Cleanup redundant casts in jdk.compiler Reviewed-by: vromero * 8264605: vmTestbase/nsk/jvmti/SuspendThread/suspendthrd003/TestDescription.java failed with "agent_tools.cpp, 471: (foundThread = (jthread) jni_env->NewGlobalRef(foundThread)) != NULL" Reviewed-by: sspitsyn, dholmes * 8276124: Provide snippet support for properties files Co-authored-by: Jonathan Gibbons <jjg@openjdk.org> Co-authored-by: Hannes Wallnöfer <hannesw@openjdk.org> Reviewed-by: jjg * 8277806: 4 tools/jar failures per platform after JDK-8272728 Reviewed-by: alanb, jjg * 8277811: ProblemList vmTestbase/nsk/jdi/TypeComponent/isSynthetic/issynthetic001/TestDescription.java 8277813: ProblemList vmTestbase/nsk/jvmti/AttachOnDemand/attach002a/TestDescription.java Reviewed-by: dholmes * 8258117: jar tool sets the time stamp of module-info.class entries to the current time Reviewed-by: lancea, ihse, alanb * 8270435: UT: MonitorUsedDeflationThresholdTest failed: did not find too_many string in output Reviewed-by: dholmes * 8275687: runtime/CommandLine/PrintTouchedMethods test shouldn't catch RuntimeException Reviewed-by: iklam, chagedorn * 8277631: ZGC: CriticalMetaspaceAllocation asserts Reviewed-by: pliden, stefank, dholmes * 8277786: G1: Rename log2_card_region_per_heap_region used in G1CardSet Reviewed-by: ayang, tschatzl, mli * 8277825: Remove unused ReferenceProcessorPhaseTimes::_sub_phases_total_time_ms Reviewed-by: tschatzl * 8277504: Use String.stripTrailing instead of hand-crafted method in SwingUtilities2 Reviewed-by: pbansal, serb * 8277165: jdeps --multi-release --print-module-deps fails if module-info.class in different versioned directories 8277166: Data race in jdeps VersionHelper 8277123: jdeps does not report some exceptions correctly Reviewed-by: jvernee, alanb * 8277659: [TESTBUG] Microbenchmark ThreadOnSpinWaitProducerConsumer.java hangs Reviewed-by: njian, ngasson * 8277508: need to check has_predicated_vectors before calling scalable_predicate_reg_slots Reviewed-by: njian, thartmann, ngasson * 8277417: C1 LIR instruction for load-klass Reviewed-by: iveresov, mdoerr, ngasson, aph * 8275330: C2: assert(n->is_Root() || n->is_Region() || n->is_Phi() || n->is_MachMerge() || def_block->dominates(block)) failed: uses must be dominated by definitions Reviewed-by: thartmann, chagedorn * 8277139: Improve code readability in PredecessorValidator (c1_IR.cpp) Reviewed-by: thartmann, chagedorn * 8277860: PPC: Remove duplicate info != NULL check Reviewed-by: chagedorn, mdoerr * 8277411: C2 fast_unlock intrinsic on AArch64 has unnecessary ownership check Reviewed-by: ngasson, neliasso * 8275908: Record null_check traps for calls and array_check traps in the interpreter Reviewed-by: chagedorn, mdoerr * 8276685: Malformed Javadoc inline tags in JDK source in /jdk/management/jfr/RecordingInfo.java Reviewed-by: mgronlun * 8276670: G1: Rename G1CardSetFreePool and related classes Reviewed-by: tschatzl, ayang * Use existing CRC32 code with different table for CRC32-C Co-authored-by: Tobias Hartmann <thartmann@openjdk.org> Co-authored-by: Jan Lahoda <jlahoda@openjdk.org> Co-authored-by: Albert Mingkun Yang <ayang@openjdk.org> Co-authored-by: Hamlin Li <mli@openjdk.org> Co-authored-by: Jie Fu <jiefu@openjdk.org> Co-authored-by: Daniel Fuchs <dfuchs@openjdk.org> Co-authored-by: Claes Redestad <redestad@openjdk.org> Co-authored-by: Magnus Ihse Bursie <mag@icus.se> Co-authored-by: Andy Herrick <herrick@openjdk.org> Co-authored-by: Sean Mullan <mullan@openjdk.org> Co-authored-by: Stefan Karlsson <stefank@openjdk.org> Co-authored-by: Coleen Phillimore <coleenp@openjdk.org> Co-authored-by: Andrey Turbanov <turbanoff@gmail.com> Co-authored-by: Thomas Stuefe <stuefe@openjdk.org> Co-authored-by: Yasumasa Suenaga <ysuenaga@openjdk.org> Co-authored-by: Pavel Rappo <prappo@openjdk.org> Co-authored-by: Daniel D. Daugherty <dcubed@openjdk.org> Co-authored-by: Derek White <drwhite@openjdk.org> Co-authored-by: Vishal Chand <vishalchand2492@gmail.com> Co-authored-by: Joe Darcy <darcy@openjdk.org> Co-authored-by: TatWai Chong <tatwai.chong@arm.com> Co-authored-by: Aleksey Shipilev <shade@openjdk.org> Co-authored-by: Serguei Spitsyn <sspitsyn@openjdk.org> Co-authored-by: Jim Laskey <jlaskey@openjdk.org> Co-authored-by: Guy Steele <gls@openjdk.org> Co-authored-by: Jatin Bhateja <jbhateja@openjdk.org> Co-authored-by: Leonid Mesnik <lmesnik@openjdk.org> Co-authored-by: Alexey Semenyuk <asemenyuk@openjdk.org> Co-authored-by: Alexander Zuev <kizune@openjdk.org> Co-authored-by: Dean Long <dlong@openjdk.org> Co-authored-by: Jaikiran Pai <jpai@openjdk.org> Co-authored-by: Sergey Bylokhov <serb@openjdk.org> Co-authored-by: Volker Simonis <simonis@openjdk.org> Co-authored-by: Erik Österlund <eosterlund@openjdk.org> Co-authored-by: Roger Riggs <rriggs@openjdk.org> Co-authored-by: Christian Hagedorn <chagedorn@openjdk.org> Co-authored-by: Vicente Romero <vromero@openjdk.org> Co-authored-by: Mandy Chung <mchung@openjdk.org> Co-authored-by: Liam Miller-Cushon <cushon@openjdk.org> Co-authored-by: Andrew Leonard <aleonard@openjdk.org> Co-authored-by: Evgeny Astigeevich <eastig@amazon.com> Co-authored-by: Ludvig Janiuk <ludvig.j.janiuk@oracle.com> Co-authored-by: KIRIYAMA Takuya <kiriyama.takuya@fujitsu.com> Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org> Co-authored-by: Christian Stein <cstein@openjdk.org> Co-authored-by: Adam Sotona <asotona@openjdk.org> Co-authored-by: Jonathan Gibbons <jjg@openjdk.org> Co-authored-by: Hannes Wallnöfer <hannesw@openjdk.org> Co-authored-by: Lance Andersen <lancea@openjdk.org> Co-authored-by: Fairoz Matte <fmatte@openjdk.org> Co-authored-by: Ivan Walulya <iwalulya@openjdk.org> Co-authored-by: Stuart Monteith <smonteith@openjdk.org> Co-authored-by: Yadong Wang <yadongwang@openjdk.org> Co-authored-by: Roman Kennke <rkennke@openjdk.org> Co-authored-by: Roland Westrelin <roland@openjdk.org> Co-authored-by: Erik Gahlin <egahlin@openjdk.org>

This patch optimizes the backend implementation of VectorMaskToLong for AArch64, given a more efficient approach to mov value bits from predicate register to general purpose register as x86 PMOVMSK[1] does, by using BEXT[2] which is available in SVE2. With this patch, the final code (input mask is byte type with SPECIESE_512, generated on an SVE vector reg size of 512-bit QEMU emulator) changes as below: Before: mov z16.b, p0/z, #1 fmov x0, d16 orr x0, x0, x0, lsr openjdk#7 orr x0, x0, x0, lsr openjdk#14 orr x0, x0, x0, lsr openjdk#28 and x0, x0, #0xff fmov x8, v16.d[1] orr x8, x8, x8, lsr openjdk#7 orr x8, x8, x8, lsr openjdk#14 orr x8, x8, x8, lsr openjdk#28 and x8, x8, #0xff orr x0, x0, x8, lsl openjdk#8 orr x8, xzr, #0x2 whilele p1.d, xzr, x8 lastb x8, p1, z16.d orr x8, x8, x8, lsr openjdk#7 orr x8, x8, x8, lsr openjdk#14 orr x8, x8, x8, lsr openjdk#28 and x8, x8, #0xff orr x0, x0, x8, lsl openjdk#16 orr x8, xzr, #0x3 whilele p1.d, xzr, x8 lastb x8, p1, z16.d orr x8, x8, x8, lsr openjdk#7 orr x8, x8, x8, lsr openjdk#14 orr x8, x8, x8, lsr openjdk#28 and x8, x8, #0xff orr x0, x0, x8, lsl openjdk#24 orr x8, xzr, #0x4 whilele p1.d, xzr, x8 lastb x8, p1, z16.d orr x8, x8, x8, lsr openjdk#7 orr x8, x8, x8, lsr openjdk#14 orr x8, x8, x8, lsr openjdk#28 and x8, x8, #0xff orr x0, x0, x8, lsl openjdk#32 mov x8, #0x5 whilele p1.d, xzr, x8 lastb x8, p1, z16.d orr x8, x8, x8, lsr openjdk#7 orr x8, x8, x8, lsr openjdk#14 orr x8, x8, x8, lsr openjdk#28 and x8, x8, #0xff orr x0, x0, x8, lsl openjdk#40 orr x8, xzr, #0x6 whilele p1.d, xzr, x8 lastb x8, p1, z16.d orr x8, x8, x8, lsr openjdk#7 orr x8, x8, x8, lsr openjdk#14 orr x8, x8, x8, lsr openjdk#28 and x8, x8, #0xff orr x0, x0, x8, lsl openjdk#48 orr x8, xzr, #0x7 whilele p1.d, xzr, x8 lastb x8, p1, z16.d orr x8, x8, x8, lsr openjdk#7 orr x8, x8, x8, lsr openjdk#14 orr x8, x8, x8, lsr openjdk#28 and x8, x8, #0xff orr x0, x0, x8, lsl openjdk#56 After: mov z16.b, p0/z, #1 mov z17.b, #1 bext z16.d, z16.d, z17.d mov z17.d, #0 uzp1 z16.s, z16.s, z17.s uzp1 z16.h, z16.h, z17.h uzp1 z16.b, z16.b, z17.b mov x0, v16.d[0] [1] https://www.felixcloutier.com/x86/pmovmskb [2] https://developer.arm.com/documentation/ddi0602/2020-12/SVE-Instructions/BEXT--Gather-lower-bits-from-positions-selected-by-bitmask- Change-Id: Ia983a20c89f76403e557ac21328f2f2e05dd08e0

@franferrax

Build the systemconf library on all platforms, simply returning JNI_FALSE if !LINUX Reviewed-by: @franferrax

@stable removal process decl in TemplateProcessor and StringProcessor for specialized javadoc clean up FormatterBuilder javadoc

…mon (openjdk#7) * JVM-1738: Incorrect jvms when PEA materializes an object in merge_common This patch copys all debuginfo nodes from the original AllocateNode and clones its JVMState as well. We deploy a uncommon_trap rather than generating the exception for real. That shouluhd resolve JVM-1730. The reason we give up the idea to use add_safepoint_edges() is that GraphKit's bci may point to an arbitary bytecode and sp even doesn't match its current bci. The another benefit is that it can mimic the original AllocateNode with the exactly same debuginfo and JVMState. If OOME does emerge, the stacktrace is as if we doesn't move AllocateNode ever. * Update passive materialization. * Add a test for JVM-1738 --------- Co-authored-by: Xin Liu <xxinliu@amazon.com>

@franferrax

Build the systemconf library on all platforms, simply returning JNI_FALSE if !LINUX Reviewed-by: @franferrax

@franferrax

Build the systemconf library on all platforms, simply returning JNI_FALSE if !LINUX Reviewed-by: @franferrax

* A crude sketch of unreflect for deconstructors. * Reuse the same mangling everywhere. * Cleanup.

Update readme with language

null initial cache in ClassValueMap

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8248238: Implementation: JEP 388: Windows AArch64 Support #212

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Merge pull request #7 from JornVernee/Additional_Review_Comments

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Add annotations that were not copied from jdk8 (openjdk#7)

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Note: the annotations added to src/java.base/share/classes/java/util/Properties.java are to methods that are new JDK 11.

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8266432: ZGC: GC allocation stalls can trigger deadlocks #3839

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Merge pull request #7 from lahodaj/JDK-8224922-5

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Fixing a test on Windows.

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8291978: jpackage: allow to override primary l10n files on Windows #9780

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martinuy pushed a commit to martinuy/jdk that referenced this pull request Aug 13, 2022

Build the systemconf library on all platforms (openjdk#7)

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Build the systemconf library on all platforms, simply returning JNI_FALSE if !LINUX Reviewed-by: @franferrax

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Requested changes openjdk#7

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@stable removal process decl in TemplateProcessor and StringProcessor for specialized javadoc clean up FormatterBuilder javadoc

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8296709: WARNING: JNI call made without checking exceptions #11083

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Fix vreduce for small width vector operations (#7)

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Build the systemconf library on all platforms (openjdk#7)

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Build the systemconf library on all platforms, simply returning JNI_FALSE if !LINUX Reviewed-by: @franferrax

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8302233: HSS/LMS: keytool and jarsigner changes #14254

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Integrate to Rivos SDK (openjdk#7)

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Build the systemconf library on all platforms (openjdk#7)

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Build the systemconf library on all platforms, simply returning JNI_FALSE if !LINUX Reviewed-by: @franferrax

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fixes and cleanup (openjdk#7)

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8331298: avoid alignment checks in UBSAN enabled build #18998

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A crude sketch for Lookup.unreflectDeconstructor (openjdk#7)

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* A crude sketch of unreflect for deconstructors. * Reuse the same mangling everywhere. * Cleanup.

MBaesken mentioned this pull request Oct 1, 2024

8340109: Ubsan: ciEnv.cpp:1660:65: runtime error: member call on null pointer of type 'struct CompileTask' #21288

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MBaesken mentioned this pull request Oct 24, 2024

8342823: Ubsan: ciEnv.cpp:1614:65: runtime error: member call on null pointer of type 'struct CompileTask' #21684

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DougLea added a commit to DougLea/jdk that referenced this pull request Oct 28, 2024

For starvation check openjdk#7

97d920a

MBaesken mentioned this pull request Dec 6, 2024

8345569: [ubsan] adjustments to filemap.cpp and virtualspace.cpp for macOS aarch64 #22603

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MBaesken mentioned this pull request Jan 3, 2025

8345676: [ubsan] ProcessImpl_md.c:561:40: runtime error: applying zero offset to null pointer on macOS aarch64 #22910

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pf0n pushed a commit to pf0n/jdk that referenced this pull request Jul 9, 2025

Merge pull request openjdk#7 from corretto/develop

ac59b3c

Update readme with language

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null initial cache in ClassValueMap #7

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null initial cache in ClassValueMap #7

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