hg: jdk/jdk: 8238759: Clones should always keep the base pointer

[nils.eliasson at oracle.com]

Changeset: 370822016750
Author:    neliasso
Date:      2020-03-03 10:29 +0100
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/370822016750

8238759: Clones should always keep the base pointer
Reviewed-by: rkennke, thartmann

! src/hotspot/share/gc/shared/c2/barrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
! src/hotspot/share/opto/arraycopynode.cpp
! test/hotspot/jtreg/compiler/arguments/TestStressReflectiveCode.java