hg: shenandoah/jdk9/hotspot: Fix barrier optimization for strings and final/stable stuff.

[roman at kennke.org]

Changeset: 6eb970e8ad03
Author:    rkennke
Date:      2016-02-17 16:45 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/6eb970e8ad03

Fix barrier optimization for strings and final/stable stuff.

! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/library_call.cpp
! src/share/vm/opto/shenandoahSupport.cpp
! src/share/vm/opto/shenandoahSupport.hpp