8165292: The gc+task logging is repeated a lot, decreasing the usefulness of -Xlog:gc*=info Summary: Separate number of workers used debugging information from adaptive worker sizing log messages. Reviewed-by: ehelin, sjohanss, jmasa

Merge

8161224: CONSTANT_NameAndType_info permits references to illegal names and descriptors Summary: Enforces proper format checking for NameAndType string content, and that the checking occurs even when not referenced in classfile Reviewed-by: coleenp, hseigel, ddmitriev

8165114: stale reference to hotspot test Test8028623.java Summary: Remove Test8028623.java from hotspot/test/TEST.groups Reviewed-by: sla, dholmes Contributed-by: sharath.ballal@oracle.com

8165018: Missing memory barrier for PPC64 in Unsafe_GetObjectVolatile Reviewed-by: kbarrett, dholmes

8164939: GTest LogDecorations.iso8601_time_test fails on macOS Reviewed-by: sla, dsamersoff

8157468: gc/testlibrary contains a lot of duplicated code Reviewed-by: dfazunen, iignatyev

Merge

8164936: G1 age table printout contains contents from previous GC Summary: Split tenuring threshold update and printing into two separate parts so that they can be used independently. Reviewed-by: jmasa, sangheki

8165215: Setting same UL tag multiple times matches wrong tagset Reviewed-by: mlarsson, rprotacio

Merge

8164039: Convert test_memset_with_concurrent_readers to GTest Reviewed-by: iignatyev, kbarrett

Merge

8165268: [BACKOUT] InstanceKlass::_previous_version_count goes negative Reviewed-by: dcubed

Merge

Merge

Merge

8164230: Convert TestCodeCacheRemSet_test to GTest Reviewed-by: mgerdin, dfazunen

8164028: Convert TestPredictions_test to GTest Reviewed-by: jwilhelm, dfazunen, ehelin

8163860: Convert TestOldFreeSpaceCalculation_test to GTest Reviewed-by: iignatyev, dfazunen

8157948: UL allows same log file with multiple file= Reviewed-by: dholmes, rehn

8164743: Convert TestAsUtf8 to GTest Reviewed-by: dholmes, rprotacio

8164738: Convert AltHashing_test to GTest Reviewed-by: dholmes, coleenp

8163589: Add back class id intrinsic method for event based tracing Reviewed-by: kvn, mgronlun

8165014: Unaligned unsafe access should throw InternalError on Solaris Reviewed-by: dholmes, coleenp

Merge

8162412: Ignore any System property specified as -Djdk.module that matches reserved module system properties Summary: Change the checks for module related properties to look for specific properties, not just jdk.module Reviewed-by: coleenp, gziemski, ddmitriev

8164862: 2 JVMCI tests should not be executed on linux-x86 Reviewed-by: kvn, gtriantafill

8164692: InstanceKlass::_previous_version_count goes negative Summary: decrement previous_version_count when it's removed from the list. Reviewed-by: dcubed, dlong, sspitsyn

8163150: SA: CLHSDB printmdo throws an exception with "java.lang.InternalError: missing reason for 22" Summary: Accounted for the new JVMCI related Deoptimization Reasons. Reviewed-by: dsamersoff, sla Contributed-by: jini.george@oracle.com

8156500: Move Reference pending list into VM to prevent deadlocks Summary: Move reference pending list and locking into VM Reviewed-by: coleenp, dholmes, dcubed, mchung, plevart Contributed-by: kim.barrett@oracle.com, per.liden@oracle.com

8148103: add more tests for task "Update JDI and JDWP for modules" Summary: A new JDWP test Reviewed-by: sspitsyn

Merge

8164562: serviceability/sa/TestInstanceKlassSizeForInterface.java: fails with NPE Summary: Addition of –XX:+UnlockDiagnosticVMOptions for the test invocation for jcmd and modularization related cleanup Reviewed-by: dholmes, mchung Contributed-by: jini.george@oracle.com

8155917: Memory access in free regions during G1 full gc causes regressions in SPECjvm2008 scimark.fft,lu,sor,sparse with 9+116 on Linux-x64 Summary: Do not unnecessarily touch the memory of free regions during the compaction phase in G1 full gc causing some OSes to allocate physical memory for them, decreasing performance in some situations. Reviewed-by: mgerdin, jmasa

8158854: Ensure release_store is paired with load_acquire in lock-free code Reviewed-by: shade, dcubed, zgu

8164660: MinimalVM is not tested with GC tests Reviewed-by: jmasa, tschatzl

8150823: UL disables log outputs incorrectly Reviewed-by: rehn, sla

8150894: Unused -Xlog tag sequences are silently ignored. Reviewed-by: rehn, sla

Merge

8158639: C2 compilation fails with SIGSEGV Summary: fixed the jvms for callsite traps based on declared signature. Reviewed-by: kvn, vlivanov, dlong

8155635: C2: Mixed unsafe accesses break alias analysis Reviewed-by: jrose, kvn

8162101: C2: Handle "wide" aliases for unsafe accesses Reviewed-by: kvn

Merge

8164358: [JVMCI] expose Hotspot intrinsics and HotSpotIntrinsicCandidate info to JVMCI Reviewed-by: twisti, kvn, never

8151988: Hotspot deoptimizes div/mod pair usage Summary: don't remove control edge of Mod node until DivMod node matching Reviewed-by: kvn

Merge

8164648: [TESTBUG] jittester failed compilation after 8157957 Reviewed-by: vlivanov

Merge

8164608: [TESTBUG] compiler/profiling tests fail to compile Reviewed-by: ctornqvi

8164214: [JVMCI] include VarHandle in signature polymorphic method test Reviewed-by: kvn, twisti, iveresov, psandoz

8038348: Instance field load is replaced by wrong data Phi Summary: Store additional information in PhiNodes corresponding to known instance field values to avoid incorrect reusage. Reviewed-by: kvn, vlivanov

Merge

8163864: [JVMCI] move MethodProfileWidth to jvmci_globals.hpp Reviewed-by: zmajo

8164122: C1: assert(false) failed: stack or locks not matching (invalid bytecodes) Summary: Ignore return value if MH intrinsic returns void Reviewed-by: roland, kvn

Merge

Merge

8139700: compiler/jvmci/compilerToVM/DisassembleCodeBlobTest and InvalidateInstalledCodeTest timeout Reviewed-by: kvn

Merge

8064892: Non-methods code cache overflow is not handled correctly Summary: Should keep track of requested code blob type for error reporting. Added additional debug output. Reviewed-by: kvn, dpochepk