Remove the optimized construct stub.

src/parser.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 483 matching lines @@
     int NextMaterializedLiteralIndex() {
       return next_materialized_literal_index_++;
     }
     int materialized_literal_count() {
       return next_materialized_literal_index_ - JSFunction::kLiteralsPrefixSize;
     }
 
     int NextHandlerIndex() { return next_handler_index_++; }
     int handler_count() { return next_handler_index_; }
 
-    void SetThisPropertyAssignmentInfo(
-        bool only_simple_this_property_assignments,
-        Handle<FixedArray> this_property_assignments) {
-      only_simple_this_property_assignments_ =
-          only_simple_this_property_assignments;
-      this_property_assignments_ = this_property_assignments;
-    }
-    bool only_simple_this_property_assignments() {
-      return only_simple_this_property_assignments_;
-    }
-    Handle<FixedArray> this_property_assignments() {
-      return this_property_assignments_;
-    }
-
     void AddProperty() { expected_property_count_++; }
     int expected_property_count() { return expected_property_count_; }
 
     void set_generator_object_variable(Variable *variable) {
       ASSERT(variable != NULL);
       ASSERT(!is_generator());
       generator_object_variable_ = variable;
     }
     Variable* generator_object_variable() const {
       return generator_object_variable_;
     }
     bool is_generator() const {
       return generator_object_variable_ != NULL;
     }
 
     AstNodeFactory<AstConstructionVisitor>* factory() { return &factory_; }
 
    private:
     // Used to assign an index to each literal that needs materialization in
     // the function.  Includes regexp literals, and boilerplate for object and
     // array literals.
     int next_materialized_literal_index_;
 
     // Used to assign a per-function index to try and catch handlers.
     int next_handler_index_;
 
     // Properties count estimation.
     int expected_property_count_;
 
-    // Keeps track of assignments to properties of this. Used for
-    // optimizing constructors.
-    bool only_simple_this_property_assignments_;
-    Handle<FixedArray> this_property_assignments_;
-
     // For generators, the variable that holds the generator object.  This
     // variable is used by yield expressions and return statements.  NULL
     // indicates that this function is not a generator.
     Variable* generator_object_variable_;
 
     Parser* parser_;
     FunctionState* outer_function_state_;
     Scope* outer_scope_;
     int saved_ast_node_id_;
     AstNodeFactory<AstConstructionVisitor> factory_;
@@ skipping 346 matching lines @@
  private:
   static const int kTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_