hg: jdk-updates/jdk11u-dev: 8231085: C2/GC: Better GC-interface for expanding clone

[rkennke at redhat.com]

Changeset: 5c4cff4a6000
Author:    rkennke
Date:      2019-09-18 20:56 +0200
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/5c4cff4a6000

8231085: C2/GC: Better GC-interface for expanding clone
Reviewed-by: eosterlund

! src/hotspot/share/gc/shared/c2/barrierSetC2.cpp
! src/hotspot/share/gc/shared/c2/barrierSetC2.hpp
! src/hotspot/share/opto/macro.hpp
! src/hotspot/share/opto/macroArrayCopy.cpp