--- old/src/share/vm/opto/opaquenode.hpp	2016-07-03 23:43:06.020485392 +0900
+++ new/src/share/vm/opto/opaquenode.hpp	2016-07-03 23:43:05.885485953 +0900
@@ -48,7 +48,7 @@
     C->add_macro_node(this);
   }
   Node* original_loop_limit() { return req()==3 ? in(2) : NULL; }
-  virtual int Opcode() const;
+  virtual uint Opcode() const;
   virtual const Type *bottom_type() const { return TypeInt::INT; }
   virtual Node* Identity(PhaseGVN* phase);
 };
@@ -71,7 +71,7 @@
     init_flags(Flag_is_macro);
     C->add_macro_node(this);
   }
-  virtual int Opcode() const;
+  virtual uint Opcode() const;
   virtual const Type *bottom_type() const { return TypeInt::INT; }
 };
 
@@ -83,7 +83,7 @@
   public:
   enum { RTM_OPT };
   Opaque3Node(Compile* C, Node *n, int opt) : Opaque2Node(C, n), _opt(opt) {}
-  virtual int Opcode() const;
+  virtual uint Opcode() const;
   bool rtm_opt() const { return (_opt == RTM_OPT); }
 };
 
@@ -107,7 +107,7 @@
 
   void consume() { _consumed = true;  }
 
-  virtual int Opcode() const;
+  virtual uint Opcode() const;
   virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
   virtual Node* Identity(PhaseGVN* phase);
   virtual const Type *bottom_type() const { return TypeInt::BOOL; }