hg: shenandoah/jdk10/hotspot: write barrier pin and expand cleanup

[rwestrel at redhat.com]

Changeset: 3d07f7fec679
Author:    roland
Date:      2017-07-26 10:25 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/hotspot/rev/3d07f7fec679

write barrier pin and expand cleanup

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