hg: jdk10/hs/hotspot: 8182397: Race in field updates when creating ArrayKlasses can lead to crash

[coleen.phillimore at oracle.com]

Changeset: e4434fd96f08
Author:    coleenp
Date:      2017-07-24 17:46 -0400
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/e4434fd96f08

8182397: Race in field updates when creating ArrayKlasses can lead to crash
Summary: Update array_klass field in component mirror after klass.java_mirror field for concurrent readers in compiled code
Reviewed-by: aph, kbarrett

! src/share/vm/classfile/javaClasses.cpp
! src/share/vm/classfile/javaClasses.hpp
! src/share/vm/oops/oop.hpp
! src/share/vm/oops/oop.inline.hpp
+ test/runtime/CreateMirror/ArraysNewInstanceBug.java