Improved printing of CheckPrototypeMaps instruction.

src/hydrogen-instructions.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2263 matching lines @@
 
   Handle<JSObject> prototype() const { return prototype_; }
   Handle<JSObject> holder() const { return holder_; }
 
   DECLARE_CONCRETE_INSTRUCTION(CheckPrototypeMaps)
 
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::None();
   }
 
+  virtual void PrintDataTo(StringStream* stream);
+
   virtual intptr_t Hashcode() {
     ASSERT(!HEAP->IsAllocationAllowed());
     intptr_t hash = reinterpret_cast<intptr_t>(*prototype());
     hash = 17 * hash + reinterpret_cast<intptr_t>(*holder());
     return hash;
   }
 
  protected:
   virtual bool DataEquals(HValue* other) {
     HCheckPrototypeMaps* b = HCheckPrototypeMaps::cast(other);
@@ skipping 2807 matching lines @@
   DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex);
 };
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_