hg: jdk/submit: 8211776: 8210887 broke arraycopy optimization when ZGC is enabled

[rwestrel at redhat.com]

Changeset: faeb48388c59
Author:    roland
Date:      2018-10-05 16:47 +0200
URL:       http://hg.openjdk.java.net/jdk/submit/rev/faeb48388c59

8211776: 8210887 broke arraycopy optimization when ZGC is enabled
Reviewed-by: kvn

! src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp