hg: jdk9/hs/hotspot: 8156871: Possible concurrency issue with JVM_AddModuleExports

[lois.foltan at oracle.com]

Changeset: 5042d1a4d83b
Author:    lfoltan
Date:      2016-06-16 13:34 -0400
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/5042d1a4d83b

8156871: Possible concurrency issue with JVM_AddModuleExports
Summary: Need for single PackageEntry flag to determine a package's unqualifed export state.
Reviewed-by: acorn, ctornqvi, dholmes, jiangli

! src/share/vm/classfile/moduleEntry.cpp
! src/share/vm/classfile/modules.cpp
! src/share/vm/classfile/packageEntry.cpp
! src/share/vm/classfile/packageEntry.hpp
+ test/runtime/modules/CompilerUtils.java
+ test/runtime/modules/ModuleStress/ExportModuleStressTest.java
+ test/runtime/modules/ModuleStress/src/jdk.test/module-info.java
+ test/runtime/modules/ModuleStress/src/jdk.test/test/Main.java
+ test/runtime/modules/ModuleStress/src/jdk.translet/module-info.java
+ test/runtime/modules/ModuleStress/src/jdk.translet/translet/Main.java