[8u40] backport RFR(S) 8065618: C2 RA incorrectly removes kill projections

[Roland Westrelin]

Good.

Roland.

> On Dec 2, 2014, at 8:53 PM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
> 
> 8u40 backport request.  Changes were pushed into jdk9 more then week ago, no problems were found since then. Changes are NOT applied to 8u cleanly because of RA code refactoring in jdk9.
> 
> http://cr.openjdk.java.net/~kvn/8065618_8u/webrev/
> 
> jdk9:
> 
> http://cr.openjdk.java.net/~kvn/8065618/webrev/
> https://bugs.openjdk.java.net/browse/JDK-8065618
> http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/2aa1a6c41461
> 
> Thanks,
> Vladimir