hg: jdk7/hotspot-comp/hotspot: 6883468: C2 compiler enters infinite loop in PhaseIterGVN::transform

[vladimir.kozlov at sun.com]

Changeset: ddd6f1182ae3
Author:    kvn
Date:      2009-09-25 13:26 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/ddd6f1182ae3

6883468: C2 compiler enters infinite loop in PhaseIterGVN::transform
Summary: Avoid ideal transformation ping-pong between AddPNode::Ideal() and CastX2PNode::Ideal().
Reviewed-by: cfang

! src/share/vm/opto/connode.cpp