Properly assign heapobject to constant functions.

src/property.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 94 matching lines @@
                    FIELD, representation, field_index) {}
 };
 
 
 class ConstantFunctionDescriptor: public Descriptor {
  public:
   ConstantFunctionDescriptor(Name* key,
                              JSFunction* function,
                              PropertyAttributes attributes)
       : Descriptor(key, function, attributes, CONSTANT_FUNCTION,
-                   Representation::Tagged()) {}
+                   Representation::HeapObject()) {}
 };
 
 
 class CallbacksDescriptor:  public Descriptor {
  public:
   CallbacksDescriptor(Name* key,
                       Object* foreign,
                       PropertyAttributes attributes)
       : Descriptor(key, foreign, attributes, CALLBACKS,
                    Representation::Tagged()) {}
@@ skipping 366 matching lines @@
   JSReceiver* holder_;
   int number_;
   bool cacheable_;
   PropertyDetails details_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_PROPERTY_H_