WIP: Implement ES6 Spread-calls

src/code.h

 // Copyright 2006-2008 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_CODE_H_
 #define V8_CODE_H_
 
 #include "src/allocation.h"
 #include "src/handles.h"
 #include "src/objects.h"
@@ skipping 24 matching lines @@
     return reg_;
   }
   int immediate() const {
     DCHECK(is_immediate());
     return immediate_;
   }
 
  private:
   const Register reg_;
   const int immediate_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(ParameterCount);
 };
 
-
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_H_