[8u-dev] Request for Approval: 8163945: Honor Number type hint in toPrimitive on Numbers

[Hannes Wallnoefer]

Please approve backport of 8163945 to 8u-dev.

Bug: https://bugs.openjdk.java.net/browse/JDK-8163945
Webrev: http://cr.openjdk.java.net/~hannesw/8163945/webrev/
Review thread: 
http://mail.openjdk.java.net/pipermail/nashorn-dev/2016-August/006440.html

Changes apply cleanly to jdk8u-dev after path reshuffling.

Thanks,
Hannes