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diff src/share/vm/opto/subnode.cpp @ 10408:836a62f43af9

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Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
author Doug Simon <doug.simon@oracle.com>
date Wed, 19 Jun 2013 10:45:56 +0200
parents 70120f47d403
children c9ccd7b85f20
line wrap: on
line diff
--- a/src/share/vm/opto/subnode.cpp	Tue Jun 18 14:23:29 2013 -0700
+++ b/src/share/vm/opto/subnode.cpp	Wed Jun 19 10:45:56 2013 +0200
@@ -863,10 +863,11 @@
   const TypePtr *r1 = t2->make_ptr();
 
   // Undefined inputs makes for an undefined result
-  if( TypePtr::above_centerline(r0->_ptr) ||
-      TypePtr::above_centerline(r1->_ptr) )
+  if ((r0 == NULL) || (r1 == NULL) ||
+      TypePtr::above_centerline(r0->_ptr) ||
+      TypePtr::above_centerline(r1->_ptr)) {
     return Type::TOP;
-
+  }
   if (r0 == r1 && r0->singleton()) {
     // Equal pointer constants (klasses, nulls, etc.)
     return TypeInt::CC_EQ;