[7u-dev] Request for approval 8043354: OptimizePtrCompare too aggressive when allocations are present

[Sergey Gabdurakhmanov]

Hello,

Could you please approve the straight back-port of the fix for 8043354 
to jdk7u-dev?

The bug:
https://bugs.openjdk.java.net/browse/JDK-8043354
The webrev:
http://cr.openjdk.java.net/~sgabdura/8043354/webrev.00/
The review thread:
http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2014-May/014567.html
The jdk8 changeset:
http://hg.openjdk.java.net/jdk8u/hs-dev/hotspot/rev/42d9a5f06728
The jdk9 changeset:
http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/729d5480f7db

BR,
Sergey