--- old/src/share/vm/opto/multnode.hpp	2016-07-03 23:43:03.786494677 +0900
+++ new/src/share/vm/opto/multnode.hpp	2016-07-03 23:43:03.650495242 +0900
@@ -38,7 +38,7 @@
   MultiNode( uint required ) : Node(required) {
     init_class_id(Class_Multi);
   }
-  virtual int Opcode() const;
+  virtual uint Opcode() const;
   virtual const Type *bottom_type() const = 0;
   virtual bool       is_CFG() const { return true; }
   virtual uint hash() const { return NO_HASH; }  // CFG nodes do not hash
@@ -75,7 +75,7 @@
   const uint _con;              // The field in the tuple we are projecting
   const bool _is_io_use;        // Used to distinguish between the projections
                                 // used on the control and io paths from a macro node
-  virtual int Opcode() const;
+  virtual uint Opcode() const;
   virtual bool      is_CFG() const;
   virtual bool depends_only_on_test() const { return false; }
   virtual const Type *bottom_type() const;