Put store of postcrement in EffectContext.

src/hydrogen.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 1933 matching lines @@
                                        HValue* object,
                                        SmallMapList* types,
                                        Handle<String> name);
   HInstruction* TryLoadPolymorphicAsMonomorphic(HValue* object,
                                                 SmallMapList* types,
                                                 Handle<String> name);
   void HandlePolymorphicStoreNamedField(int position,
                                         BailoutId assignment_id,
                                         HValue* object,
                                         HValue* value,
-                                        HValue* result,
                                         SmallMapList* types,
                                         Handle<String> name);
   bool TryStorePolymorphicAsMonomorphic(int position,
                                         BailoutId assignment_id,
                                         HValue* object,
                                         HValue* value,
-                                        HValue* result,
                                         SmallMapList* types,
                                         Handle<String> name);
   void HandlePolymorphicCallNamed(Call* expr,
                                   HValue* receiver,
                                   SmallMapList* types,
                                   Handle<String> name);
   bool TryCallPolymorphicAsMonomorphic(Call* expr,
                                        HValue* receiver,
                                        SmallMapList* types,
                                        Handle<String> name);
@@ skipping 70 matching lines @@
                 int position,
                 BailoutId ast_id,
                 BailoutId return_id);
 
   void BuildStoreNamed(Expression* expression,
                        BailoutId id,
                        int position,
                        BailoutId assignment_id,
                        Property* prop,
                        HValue* object,
-                       HValue* store_value,
-                       HValue* result_value);
+                       HValue* value);
 
   HInstruction* BuildStoreNamedField(HValue* object,
                                      Handle<String> name,
                                      HValue* value,
                                      Handle<Map> map,
                                      LookupResult* lookup);
   HInstruction* BuildStoreNamedGeneric(HValue* object,
                                        Handle<String> name,
                                        HValue* value);
   HInstruction* BuildStoreNamedMonomorphic(HValue* object,
@@ skipping 230 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_