hg: ppc-aix-port/jdk7u/hotspot: rt: add fence to taskqueue to fix probelms showing in torture tests

[goetz.lindenmaier at sap.com]

Changeset: fb157b3147a7
Author:    Goetz
Date:      2013-03-03 16:53 +0100
URL:       http://hg.openjdk.java.net/ppc-aix-port/jdk7u/hotspot/rev/fb157b3147a7

rt: add fence to taskqueue to fix probelms showing in torture tests

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