[8u] approval request for fixes for JDK-8148140 and JDK-8150814

[Sundararajan Athijegannathan]

Please approve fix for the following two related bugs.

Bugs:

https://bugs.openjdk.java.net/browse/JDK-8148140

https://bugs.openjdk.java.net/browse/JDK-8150814

jdk9 review threads:

http://mail.openjdk.java.net/pipermail/nashorn-dev/2016-February/005964.html

http://mail.openjdk.java.net/pipermail/nashorn-dev/2016-February/005985.html

jdk8u webrev:

http://cr.openjdk.java.net/~sundar/8148140_8150814/8u/webrev.00/

Backported 'as is' except for modular source layout difference and
skipping a copyright update on a test

[jdk9 fix for 8148410 piggybacked to fix missing copyright on another
unrelated test JDK_8142924_Test.java - that test file does not exist in
jdk8u]

Thanks,

-Sundar