hg: jdk/submit: 8231085: C2/GC: Better GC-interface for expanding clone

[rkennke at redhat.com]

Changeset: 24a3564cb848
Author:    rkennke
Date:      2019-09-18 11:32 +0200
URL:       https://hg.openjdk.java.net/jdk/submit/rev/24a3564cb848

8231085: C2/GC: Better GC-interface for expanding clone

! 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