[8u-dev] Request for Approval: 8146274: Thread spinning on WeakHashMap.getEntry() with concurrent use of nashorn

[Hannes Wallnoefer]

Please approve backport of 8146274 to 8u-dev.

Bug: https://bugs.openjdk.java.net/browse/JDK-8146274
Webrev: http://cr.openjdk.java.net/~hannesw/8146274/webrev/
Review thread: 
http://mail.openjdk.java.net/pipermail/nashorn-dev/2016-January/005851.html

The change applies cleanly to jdk8u-dev after path reshuffling.

Thanks,
Hannes