[8u60] Backport RFR: JDK-8078666 and JDK-8074312

[Severin Gehwolf]

Adding in jdk8u-dev.

On Tue, 2015-06-09 at 15:27 +0200, Severin Gehwolf wrote:
> Hi,
> 
> Could I please get JDK-8078666 and JDK-8074312 backported to 8u60? I'd
> need a sponsor for this.
> 
> We've been using the JDK-8078666 fix for Fedora 22 on JDK8 for a while
> now. Similarly, the fix for JDK-8074312 is now also required for Fedora
> 21 and we've had this patch in use since March.
> 
> "Enable hotspot builds on 4.x Linux kernels"
> Bug: https://bugs.openjdk.java.net/browse/JDK-8074312
> Webrev: 
> http://cr.openjdk.java.net/~sgehwolf/webrevs/JDK-8074312/8-backport/
> Original review thread:
> http://mail.openjdk.java.net/pipermail/hotspot-dev/2015-March/017463.html
> JDK 9 fix applies cleanly modulo copyright changes.
> 
> 
> "JVM fastdebug build compiled with GCC 5 asserts with "widen increases"
> Bug: https://bugs.openjdk.java.net/browse/JDK-8078666
> Original review thread:
> http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2015-April/017759.html
> JDK 9 fix applies cleanly to 8u forest.
> 
> Thanks,
> Severin
>