hg: hsx/hotspot-comp/hotspot: 8004867: VM crashing with assert "share/vm/opto/node.hpp:357 - assert(i < _max) failed: oob"

[vladimir.kozlov at oracle.com]

Changeset: ad736b4683b4
Author:    kvn
Date:      2013-02-18 16:47 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/ad736b4683b4

8004867: VM crashing with assert "share/vm/opto/node.hpp:357 - assert(i < _max) failed: oob"
Summary: Added few checks and early bailout from Superword optimization to avoid such cases in a future.
Reviewed-by: roland, twisti

! src/share/vm/opto/superword.cpp
! src/share/vm/opto/superword.hpp
+ test/compiler/8004867/TestIntAtomicCAS.java
+ test/compiler/8004867/TestIntAtomicOrdered.java
+ test/compiler/8004867/TestIntAtomicVolatile.java
+ test/compiler/8004867/TestIntUnsafeCAS.java
+ test/compiler/8004867/TestIntUnsafeOrdered.java
+ test/compiler/8004867/TestIntUnsafeVolatile.java