hg: valhalla/valhalla: 8238780: [lworld] C2: Partially initialized value type buffer might be observed by other thread

[tobias.hartmann at oracle.com]

Changeset: b018052fc8b1
Author:    thartmann
Date:      2020-02-14 14:10 +0100
URL:       https://hg.openjdk.java.net/valhalla/valhalla/rev/b018052fc8b1

8238780: [lworld] C2: Partially initialized value type buffer might be observed by other thread
Reviewed-by: roland

! src/hotspot/share/opto/callGenerator.cpp
! src/hotspot/share/opto/callnode.cpp
! src/hotspot/share/opto/callnode.hpp
! src/hotspot/share/opto/library_call.cpp
! src/hotspot/share/opto/macro.cpp
! src/hotspot/share/opto/memnode.cpp
! src/hotspot/share/opto/parseHelper.cpp
! src/hotspot/share/opto/valuetypenode.cpp
+ test/hotspot/jtreg/compiler/valhalla/valuetypes/TestBufferTearing.java
! test/hotspot/jtreg/compiler/valhalla/valuetypes/TestDeoptimizationWhenBuffering.java
! test/hotspot/jtreg/compiler/valhalla/valuetypes/TestMethodHandles.java
! test/hotspot/jtreg/compiler/valhalla/valuetypes/TestNullableValueTypes.java
! test/hotspot/jtreg/compiler/valhalla/valuetypes/ValueTypeTest.java