Expose receiver check type in call type feedback.

src/ast.h

 // Copyright 2010 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 1250 matching lines @@
 };
 
 
 class Call: public Expression {
  public:
   Call(Expression* expression, ZoneList<Expression*>* arguments, int pos)
       : expression_(expression),
         arguments_(arguments),
         pos_(pos),
         is_monomorphic_(false),
+        check_type_(RECEIVER_MAP_CHECK),
         receiver_types_(NULL),
         return_id_(GetNextId()) {
   }
 
   DECLARE_NODE_TYPE(Call)
 
   virtual bool IsInlineable() const;
 
   Expression* expression() const { return expression_; }
   ZoneList<Expression*>* arguments() const { return arguments_; }
   int position() { return pos_; }
 
   void RecordTypeFeedback(TypeFeedbackOracle* oracle);
   virtual ZoneMapList* GetReceiverTypes() { return receiver_types_; }
   virtual bool IsMonomorphic() { return is_monomorphic_; }
+  CheckType check_type() const { return check_type_; }
   Handle<JSFunction> target() { return target_; }
   Handle<JSObject> holder() { return holder_; }
   Handle<JSGlobalPropertyCell> cell() { return cell_; }
 
   bool ComputeTarget(Handle<Map> type, Handle<String> name);
   bool ComputeGlobalTarget(Handle<GlobalObject> global, Handle<String> name);
 
   // Bailout support.
   int ReturnId() const { return return_id_; }
 
   static Call* sentinel() { return &sentinel_; }
 
 #ifdef DEBUG
   // Used to assert that the FullCodeGenerator records the return site.
   bool return_is_recorded_;
 #endif
 
  private:
   Expression* expression_;
   ZoneList<Expression*>* arguments_;
   int pos_;
 
   bool is_monomorphic_;
+  CheckType check_type_;
   ZoneMapList* receiver_types_;
   Handle<JSFunction> target_;
   Handle<JSObject> holder_;
   Handle<JSGlobalPropertyCell> cell_;
 
   int return_id_;
 
   static Call sentinel_;
 };
 
@@ skipping 845 matching lines @@
   AST_NODE_LIST(DEF_VISIT)
 #undef DEF_VISIT
 
  private:
   bool stack_overflow_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_