hg: shenandoah/jdk9/hotspot: Make write barriers not allow from-space.

[roman at kennke.org]

Changeset: 34dc22904c08
Author:    rkennke
Date:      2016-06-28 17:35 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/34dc22904c08

Make write barriers not allow from-space.

! src/share/vm/opto/shenandoahSupport.hpp