Review request for JDK-8075006: Threads spinning infinitely in WeakHashMap.get running test262parallel

[Hannes Wallnoefer]

Please review JDK-8075006: Threads spinning infinitely in 
WeakHashMap.get running test262parallel:

http://cr.openjdk.java.net/~hannesw/8075006/
I got the patch from Attila who already had it ready when I assigned the 
bug to myself.

Hannes