hg: hsx/hotspot-comp/hotspot: 7169782: C2: SIGSEGV in LShiftLNode::Ideal(PhaseGVN*, bool)

[vladimir.kozlov at oracle.com]

Changeset: 121e5708ae96
Author:    kvn
Date:      2012-06-12 09:47 -0700
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/121e5708ae96

7169782: C2: SIGSEGV in LShiftLNode::Ideal(PhaseGVN*, bool)
Summary: keep intermediate node alive till the end of the graph construction using dummy hook node trick
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov at oracle.com

! src/share/vm/opto/divnode.cpp
+ test/compiler/6732154/Test6732154.java
+ test/compiler/7169782/Test7169782.java