hg: jdk7/hotspot-comp/hotspot: 6901572: JVM 1.6.16 crash on loops: assert(has_node(i), "")

[changpeng.fang at sun.com]

Changeset: 8b22f86d1740
Author:    cfang
Date:      2009-12-02 13:29 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/8b22f86d1740

6901572: JVM 1.6.16 crash on loops: assert(has_node(i),"")
Summary: Skip the secondary induction variable handling if it is dead
Reviewed-by: never, kvn

! src/share/vm/opto/loopnode.cpp
+ test/compiler/6901572/Test.java