hg: hsx/hotspot-emb/hotspot: 8012144: multiple SIGSEGVs fails on staxf

[david.holmes at oracle.com]

Changeset: cd25d3be91c5
Author:    vladidan
Date:      2013-08-06 20:01 -0400
URL:       http://hg.openjdk.java.net/hsx/hotspot-emb/hotspot/rev/cd25d3be91c5

8012144: multiple SIGSEGVs fails on staxf
Summary: Forward port of 7u change to add additional fence() on RMO platforms, with a load_acquire on all platforms
Reviewed-by: dholmes, kvn

! src/share/vm/utilities/taskqueue.hpp