[8u60] Request for approval: backport of JDK-8068272

[Boris Molodenkov]

Hi All,

I would like to backport fix for JDK-8068272 to 8u60.

Bug id: https://bugs.openjdk.java.net/browse/JDK-8068272
Webrev: http://cr.openjdk.java.net/~bmoloden/8068272/webrev.00/
Changesets:
http://hg.openjdk.java.net/jdk9/jdk9/rev/a09f9fd80f87
http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/2025390834c6
Review thread for original fix:
http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2014-December/016751.html

testing: jprt

Thanks,
Boris