hg: jdk7/hotspot-comp/hotspot: 6912517: JIT bug compiles out (and stops running) code that needs to be run. Causes NPE.

[vladimir.kozlov at sun.com]

Changeset: 1271af4ec18c
Author:    kvn
Date:      2010-01-07 16:26 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/1271af4ec18c

6912517: JIT bug compiles out (and stops running) code that needs to be run. Causes NPE.
Summary: Add missing check that value is used in memory expression in instructions with embedded load.
Reviewed-by: never, jrose

! src/share/vm/opto/lcm.cpp
+ test/compiler/6912517/Test.java