[8u60] Request for approval: JDK-8098807: Strict eval throws ClassCastException with large scripts

[Hannes Wallnoefer]

Please approve backport of JDK-8098807 to 8u60:

Bug: https://bugs.openjdk.java.net/browse/JDK-8098807
Webrev: http://cr.openjdk.java.net/~hannesw/8098807/
Review thread: 
http://mail.openjdk.java.net/pipermail/nashorn-dev/2015-June/004765.html

The patch applies cleanly to 8u-dev after path reshuffling.

Thanks,
Hannes