[RFR] [8u] 8u252-b06 Upstream Sync

Tue Mar 17 09:28:57 UTC 2020

Webrevs: https://cr.openjdk.java.net/~andrew/shenandoah-8/u252-b06/

Merge changesets:
http://cr.openjdk.java.net/~andrew/shenandoah-8/u252-b06/corba/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u252-b06/jaxp/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u252-b06/jaxws/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u252-b06/jdk/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u252-b06/hotspot/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u252-b06/langtools/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u252-b06/nashorn/merge.changeset
http://cr.openjdk.java.net/~andrew/shenandoah-8/u252-b06/root/merge.changeset

Changes in aarch64-shenandoah-jdk8u252-b06:
  - S8224851: AArch64: fix warnings and errors with Clang and GCC 8.3
  - S8225130: Add exception for expiring Comodo roots to VerifyCACerts test
  - S8230235: Rendering HTML with empty img attribute and
documentBaseKey cause Exception
  - S8235744: PIT:
test/jdk/javax/swing/text/html/TestJLabelWithHTMLText.java times out in
linux-x64
  - S8240521: Revert backport of 8231584: Deadlock with
ClassLoader.findLibrary and System.loadLibrary call

I also added a tag for the Shenandoah integration, which seems to have
been missed this time around. This allowed these changes to be filtered
out of the webrev.

Changes in aarch64-shenandoah-jdk8u252-b05-shenandoah-merge-2020-03-06:
  - AArch64: Fix LRB use in LIRGenerator::do_UnsafeGetAndSetObject
  - [backport] 8221751: Shenandoah: Improve SATB enqueueing
  - [backport] 8221848: Shenandoah: ArrayCopy post-barrier improvements
  - [backport] 8222766: Shenandoah: streamline post-LRB CAS barrier (x86)
  - [backport] 8223951: Shenandoah: Only need to update thread roots
during final update refs
  - [backport] 8224179: Shenandoah: CTW test failures with traversal GC
  - [backport] 8224495: Shenandoah: Do not rescan code roots in final
mark pause if it is not degenerated GC
  - [backport] 8224508: Shenandoah: Need to update thread roots in final
mark for piggyback ref update cycle
  - [backport] 8224525: Shenandoah: Eliminate shenandoah verifier's
side-effects
  - [backport] 8225171: Remove leftovers in shenandoahBarrierSetC1.cpp
  - [backport] 8225341: Shenandoah: CM::update_thread_roots() needs to
handle derived pointers
  - [backport] 8226586: Shenandoah: No need to pre-evacuate roots for
degenerated GC
  - [backport] 8227327: Shenandoah: Faster and more parallel tests
  - [backport] 8227676: Shenandoah: More consistent naming of LRB entry
points
  - [backport] 8228364: Shenandoah: Remove unused code from
ShenandoahBarrierSetC1
  - [backport] 8229865: Use explicit #include debug.hpp for
STATIC_ASSERT in gc/shenandoah/shenandoahUtils.cpp
  - [backport] 8229919: Support JNI Critical functions in object pinning
API on x86_32 platforms
  - [backport] 8231086: Shenandoah: Stronger invariant for object-arraycopy
  - [backport] 8231293: Shenandoah: Traversal should not revive dead
weak roots
  - [backport] 8231410: Shenandoah: clone barrier should use base pointer
  - [backport] 8231447: Shenandoah: Compilation-time regression after
JDK-8231086
  - [backport] 8231499: Shenandoah:
compiler/arraycopy/TestDefaultMethodArrayCloneDeoptC2 fails
  - [backport] 8232205: Shenandoah: missing "Update References" ->
"Update Roots" tracing
  - [backport] 8232778: Shenandoah: SBSA::arraycopy_prologue checks
wrong register
  - [backport] 8232908: Shenandoah: compact heuristics has incorrect
trigger "Free is lower than allocated recently"
  - [backport] 8233387: Shenandoah: passive mode should disable pacing
ergonomically
  - [backport] 8233520: Shenandoah: do not sleep when thread is attaching
  - [backport] 8233850: Shenandoah: Shenandoah thread count ergonomics
should be container aware
  - [backport] 8234232: [TESTBUG] gc/shenandoah/jvmti/TestHeapDump.java
fails with -Xcomp
  - [backport] 8235636:
gc/shenandoah/compiler/TestUnsafeOffheapSwap.java fails after JDK-8226411
  - [backport] 8235729: Shenandoah: Remove useless casting to non-constant
  - [backport] 8236106: [TESTBUG] Shenandoah: Make TestThreadFailure
more resilient
  - [backport] 8236181: C2: Remove useless step_over_gc_barrier() in
int->bool conversion
  - [backport] 8236732: Shenandoah: Stricter placement for oom-evac scopes
  - [backport] 8236851: Shenandoah: More details in Traversal GC event
messages
  - [backport] 8237007: Shenandoah: assert(_base == Tuple) failure
during C2 compilation
  - [backport] 8237038: Shenandoah: Reduce thread pool size in
TestEvilSyncBug.java test
  - [backport] 8237570: Shenandoah: cleanup uses of allocation/free
threshold in static heuristics
  - [backport] 8237586: Shenandoah: provide option to disable periodic GC
  - [backport] 8239868: Shenandoah: ditch C2 node limit adjustments
  - [backport] 8239904: Shenandoah: accumulated penalties should not be
over 100% of capacity
  - [backport] 8240069: Shenandoah: turn more flags diagnostic
  - [backport] 8240070: Shenandoah: remove obsolete
ShenandoahCommonGCStateLoads
  - [backport] 8240076: Shenandoah: pacer should cover reset and
preclean phases
  - [backport] 8240215: Shenandoah: remove ShenandoahAllocationTrace
  - [backport] 8240216: Shenandoah: remove ShenandoahTerminationTrace
  - [backport] 8240217: Shenandoah: remove ShenandoahEvacAssist
  - [backport] 8240534: Shenandoah: ditch debug safepoint timeout adjustment
  - Fix LRB use in LIRGenerator::do_UnsafeGetAndSetObject
  - Fix tier2_gc_shenandoah group definition
  - Rectify JDK-8191227 workaround for Shenandoah
  - Revert leftover changes in type.{cpp|hpp}
  - S8233500: Shenandoah: Shenandoah load barrier should save registers
before calling keep alive barrier on x86

Main issues of note:
No HotSpot changes, so no merge work. 8224851 is local to this
repository and already pushed.

diffstat for root
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for corba
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for jaxp
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for jaxws
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for langtools
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for nashorn
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

diffstat for jdk
 a/test/java/lang/Runtime/loadLibrary/LoadLibraryTest.java |  156
--------------
 a/test/java/lang/Runtime/loadLibrary/src/Target.java      |   34 ---
 a/test/java/lang/Runtime/loadLibrary/src/Target2.java     |   29 --
 b/.hgtags                                                 |    1
 b/src/share/classes/java/lang/ClassLoader.java            |   32 --
 b/src/share/classes/java/lang/Runtime.java                |    7
 b/src/share/classes/java/lang/System.java                 |    2
 b/src/share/classes/javax/swing/text/html/ImageView.java  |   17 +
 b/test/javax/swing/text/html/TestJLabelWithHTMLText.java  |   51 ++++
 b/test/sun/security/lib/cacerts/VerifyCACerts.java        |    6
 10 files changed, 83 insertions(+), 252 deletions(-)

diffstat for hotspot
 b/.hgtags |    1 +
 1 file changed, 1 insertion(+)

Successfully built on x86, x86_64, s390, s390x, ppc, ppc64,
ppc64le & aarch64.

Ok to push?
-- 
Andrew :)

Senior Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

PGP Key: ed25519/0xCFDA0F9B35964222 (hkp://keys.gnupg.net)
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