hg: shenandoah/jdk9/hotspot: c2: don't clear write barrier control in final graph reshape if CastPP input was processed before

[rwestrel at redhat.com]

Changeset: 76938ff28105
Author:    roland
Date:      2016-09-21 10:29 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/76938ff28105

c2: don't clear write barrier control in final graph reshape if CastPP input was processed before

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