hg: shenandoah/jdk9/hotspot: memory edge of write barriers shouldn't be unconditionally cleared after optimizations

[rwestrel at redhat.com]

Changeset: 2d9ac8c14fa5
Author:    roland
Date:      2016-09-13 14:15 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/2d9ac8c14fa5

memory edge of write barriers shouldn't be unconditionally cleared after optimizations

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