[8u60] Request for Approval: 8051712: regression Test7107135 crashes

[Chris Plummer]

Please approve the backport of 8051712 to 8u60:

https://bugs.openjdk.java.net/browse/JDK-8051712

JDK9 webrev: http://cr.openjdk.java.net/~cjplummer/8051712/webrev.00
JDK9 review thread: 
http://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2015-May/014829.html

Changes are trivial and applied cleanly.

thanks,

Chris