hg: jdk9/sandbox/jdk: Proper implementation for VarHandle.compareAndExchange{Volatile, Acquire, Release}

[aleksey.shipilev at oracle.com]

Changeset: cf0211162677
Author:    shade
Date:      2015-09-18 16:31 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/cf0211162677

Proper implementation for VarHandle.compareAndExchange{Volatile, Acquire, Release}

! src/java.base/share/classes/sun/misc/Unsafe.java