hg: jdk-updates/jdk13u-dev: 8 new changesets

[abrygin at azul.com]

Changeset: 0d0ed03d9fa9
Author:    mbaesken
Date:      2019-12-03 11:41 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u-dev/rev/0d0ed03d9fa9

8235243: handle VS2017 15.9 and VS2019 in abstract_vm_version
Reviewed-by: dholmes, mdoerr

! src/hotspot/share/runtime/vm_version.cpp

Changeset: fcff3c439e49
Author:    mbaesken
Date:      2019-12-04 09:43 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u-dev/rev/fcff3c439e49

8235325: build failure on Linux after 8235243
Reviewed-by: clanger

! src/hotspot/share/runtime/vm_version.cpp

Changeset: d98ed4b07a6c
Author:    poonam
Date:      2020-03-23 17:57 +0000
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u-dev/rev/d98ed4b07a6c

8231779: crash HeapWord*ParallelScavengeHeap::failed_mem_allocate
Reviewed-by: dlong, tschatzl, pliden

! src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp

Changeset: ac53a2430b37
Author:    aph
Date:      2020-03-19 14:53 +0000
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u-dev/rev/ac53a2430b37

8241296: Segfault in JNIHandleBlock::oops_do()
Reviewed-by: stefank

! src/hotspot/share/runtime/thread.cpp

Changeset: 02687a9bb723
Author:    thartmann
Date:      2020-03-24 17:39 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u-dev/rev/02687a9bb723

8240905: assert(mem == (Node*)1 || mem == mem2) failed: multiple Memories being matched at once?
Summary: Stop recursion if there are multiple loads with different memory inputs in the tree.
Reviewed-by: kvn, vlivanov

! src/hotspot/share/opto/matcher.cpp
! src/hotspot/share/opto/matcher.hpp
+ test/hotspot/jtreg/compiler/codegen/TestMultiMemInstructionMatching.java

Changeset: a13509284eca
Author:    manc
Date:      2020-04-03 02:00 -0700
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u-dev/rev/a13509284eca

8241556: Memory leak if -XX:CompileCommand is set
Reviewed-by: rasbold, thartmann, neliasso

! src/hotspot/share/compiler/compilerDirectives.cpp
! src/hotspot/share/compiler/compilerDirectives.hpp

Changeset: 1b4d02a94268
Author:    fyang
Date:      2020-03-09 22:31 +0800
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u-dev/rev/1b4d02a94268

8240576: JVM crashes after transformation in C2 IdealLoopTree::merge_many_backedges
Reviewed-by: kvn
Contributed-by: hedongbo at huawei.com

! src/hotspot/share/opto/loopnode.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestBeautifyLoops.java

Changeset: 985a23e2fdb8
Author:    stefank
Date:      2020-03-04 15:50 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk13u-dev/rev/985a23e2fdb8

8240529: CheckUnhandledOops breaks NULL check in Modules::define_module
Reviewed-by: coleenp, lfoltan, hseigel

! src/hotspot/share/classfile/modules.cpp