hg: jdk9/hs-rt/hotspot: 8131645: [ARM64] crash on Cavium when using G1

[jesper.wilhelmsson at oracle.com]

Changeset: eca671f4c014
Author:    ecaspole
Date:      2015-09-21 10:36 -0400
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/eca671f4c014

8131645: [ARM64] crash on Cavium when using G1
Summary: Add a fence when creating the CodeRootSetTable so the readers do not see invalid memory.
Reviewed-by: aph, tschatzl

! src/share/vm/gc/g1/g1CodeCacheRemSet.cpp