hg: hsx/hotspot-comp/hotspot: 7181658: CTW: assert(t->meet(t0) == t) failed: Not monotonic

[vladimir.kozlov at oracle.com]

Changeset: ae9241bbce4a
Author:    kvn
Date:      2012-07-11 14:50 -0700
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/ae9241bbce4a

7181658: CTW: assert(t->meet(t0) == t) failed: Not monotonic
Summary: Use uncast node equivalence checks in CmpUNode::sub.
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov at oracle.com

! src/share/vm/opto/subnode.cpp
! src/share/vm/opto/subnode.hpp