hg: shenandoah/jdk9/hotspot: jweak handling misses barriers.

[ashipile at redhat.com]

Changeset: a4ae173af91d
Author:    shade
Date:      2017-04-19 19:52 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/a4ae173af91d

jweak handling misses barriers.

! src/cpu/aarch64/vm/sharedRuntime_aarch64.cpp
! src/cpu/aarch64/vm/templateInterpreterGenerator_aarch64.cpp
! src/cpu/x86/vm/macroAssembler_x86.cpp
! src/share/vm/prims/jvmtiTagMap.cpp
! src/share/vm/runtime/jniHandles.cpp