hg: shenandoah/jdk11: 2 new changesets

[roman at kennke.org]

Changeset: 12e0943ce104
Author:    rkennke
Date:      2019-01-08 20:12 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk11/rev/12e0943ce104

Remove obsolete code snippet related to barriers on constants

! src/hotspot/share/opto/subnode.cpp

Changeset: 032fbbe8a86e
Author:    rkennke
Date:      2019-01-08 20:12 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk11/rev/032fbbe8a86e

Backport reshaped write barrier expansion to JDK11

! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.hpp
! src/hotspot/share/opto/ifnode.cpp
! src/hotspot/share/opto/loopUnswitch.cpp
! src/hotspot/share/opto/loopopts.cpp
! src/hotspot/share/opto/multnode.cpp
! src/hotspot/share/opto/phaseX.cpp