hg: shenandoah/jdk9/hotspot: 2 new changesets

[roman at kennke.org]

Changeset: 1c921cd8a538
Author:    rkennke
Date:      2016-07-02 18:02 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/1c921cd8a538

Re-enabled getClass() optimization in C2.

! src/share/vm/opto/memnode.cpp

Changeset: 9696efdb1aa0
Author:    rkennke
Date:      2016-07-02 18:02 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/9696efdb1aa0

Revert optimization to eliminate barriers on load-sees-store-optimization.

! src/share/vm/opto/memnode.cpp