hg: jdk/submit12: Testing JDK-8215724 commit

[shade at redhat.com]

Changeset: b251d5e22898
Author:    shade
Date:      2019-01-09 15:53 +0100
URL:       http://hg.openjdk.java.net/jdk/submit12/rev/b251d5e22898

Testing JDK-8215724 commit

! src/hotspot/share/gc/shared/barrierSet.hpp
+ src/hotspot/share/gc/shared/barrierSet.inline.hpp
! src/hotspot/share/oops/access.inline.hpp
+ test/hotspot/jtreg/gc/epsilon/TestArraycopyCheckcast.java