--- old/src/share/vm/opto/castnode.cpp	2016-07-03 23:42:51.242546813 +0900
+++ new/src/share/vm/opto/castnode.cpp	2016-07-03 23:42:51.105547382 +0900
@@ -111,7 +111,7 @@
 TypeNode* ConstraintCastNode::dominating_cast(PhaseTransform *phase) const {
   Node* val = in(1);
   Node* ctl = in(0);
-  int opc = Opcode();
+  uint opc = Opcode();
   if (ctl == NULL) {
     return NULL;
   }