new classes: implement default constructors.

src/full-codegen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_FULL_CODEGEN_H_
 #define V8_FULL_CODEGEN_H_
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
@@ skipping 629 matching lines @@
 
   static bool NeedsHomeObject(Expression* expr) {
     return FunctionLiteral::NeedsHomeObject(expr);
   }
 
   // Adds the [[HomeObject]] to |initializer| if it is a FunctionLiteral.
   // The value of the initializer is expected to be at the top of the stack.
   // |offset| is the offset in the stack where the home object can be found.
   void EmitSetHomeObjectIfNeeded(Expression* initializer, int offset);
 
-  void EmitLoadSuperConstructor(SuperReference* expr);
+  void EmitLoadSuperConstructor();
 
   void CallIC(Handle<Code> code,
               TypeFeedbackId id = TypeFeedbackId::None());
 
   void CallLoadIC(ContextualMode mode,
                   TypeFeedbackId id = TypeFeedbackId::None());
   void CallStoreIC(TypeFeedbackId id = TypeFeedbackId::None());
 
   void SetFunctionPosition(FunctionLiteral* fun);
   void SetReturnPosition(FunctionLiteral* fun);
@@ skipping 386 matching lines @@
 
   Address start_;
   Address instruction_start_;
   uint32_t length_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_