[8u40] approval request for JDK-8010767: Build fails on OEL6 with 16 cores

[Erik Joelsson]

Please approve this backport.

The issue recently surfaced in jdk8u in this bug:
https://bugs.openjdk.java.net/browse/JDK-8056965
But the cause is the same as the one I'm backporting.

Bug: https://bugs.openjdk.java.net/browse/JDK-8010767

Jdk8u review thread: 
http://mail.openjdk.java.net/pipermail/build-dev/2014-October/013394.html

Jdk9 review thread: 
http://mail.openjdk.java.net/pipermail/build-dev/2014-March/012112.html

/Erik