--- old/src/share/vm/opto/phaseX.cpp	2014-03-20 12:32:00.358791380 +0100
+++ new/src/share/vm/opto/phaseX.cpp	2014-03-20 12:31:59.961803539 +0100
@@ -330,7 +330,7 @@
   Node *sentinel_node = sentinel();
   for (uint i = 0; i < max; ++i) {
     Node *n = at(i);
-    if(n != NULL && n != sentinel_node && n->is_Type()) {
+    if(n != NULL && n != sentinel_node && n->is_Type() && n->outcnt() > 0) {
       TypeNode* tn = n->as_Type();
       const Type* t = tn->type();
       const Type* t_no_spec = t->remove_speculative();