hg: jdk/sandbox: 8232896: ZGC: Enable C2 clone intrinsic

[chris.hegarty at oracle.com]

Changeset: 304c63b17b07
Author:    neliasso
Date:      2019-10-31 17:16 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/304c63b17b07

8232896: ZGC: Enable C2 clone intrinsic
Reviewed-by: pliden, kvn

! src/hotspot/share/classfile/vmSymbols.cpp
! src/hotspot/share/gc/shared/c2/barrierSetC2.cpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp
! src/hotspot/share/gc/z/zBarrier.hpp
! src/hotspot/share/gc/z/zBarrier.inline.hpp
! src/hotspot/share/gc/z/zBarrierSetRuntime.cpp
! src/hotspot/share/gc/z/zBarrierSetRuntime.hpp
! src/hotspot/share/opto/arraycopynode.hpp
! src/hotspot/share/opto/library_call.cpp
! src/hotspot/share/opto/macroArrayCopy.cpp
! src/hotspot/share/opto/type.hpp
! test/micro/org/openjdk/bench/java/lang/Clone.java