hg: jdk7/hotspot-comp/hotspot: 6866651: Regression: simple int sum crashes jvm (build 1.6.0_14-b08 and 1.7.0-ea-b59)

[changpeng.fang at sun.com]

Changeset: 662f330d7275
Author:    cfang
Date:      2009-08-17 12:11 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/662f330d7275

6866651: Regression: simple int sum crashes jvm (build 1.6.0_14-b08 and 1.7.0-ea-b59)
Summary: delay dead code elimination in set_req_X to make it safe
Reviewed-by: kvn, never

! src/share/vm/opto/phaseX.cpp
+ test/compiler/6866651/Test.java