Fix opmitized external array access for compound assignments

src/hydrogen.h

 // Copyright 2011 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 827 matching lines @@
   HInstruction* BuildLoadNamedGeneric(HValue* object, Property* expr);
   HInstruction* BuildLoadKeyedFastElement(HValue* object,
                                           HValue* key,
                                           Property* expr);
   HInstruction* BuildLoadKeyedSpecializedArrayElement(HValue* object,
                                                       HValue* key,
                                                       Property* expr);
   HInstruction* BuildLoadKeyedGeneric(HValue* object,
                                       HValue* key);
 
+  HInstruction* BuildLoadKeyed(HValue* obj,
+                               HValue* key,
+                               Property* prop);
+
   HInstruction* BuildLoadNamed(HValue* object,
                                Property* prop,
                                Handle<Map> map,
                                Handle<String> name);
   HInstruction* BuildStoreNamed(HValue* object,
                                 HValue* value,
                                 Expression* expr);
   HInstruction* BuildStoreNamedField(HValue* object,
                                      Handle<String> name,
                                      HValue* value,
                                      Handle<Map> type,
                                      LookupResult* lookup,
                                      bool smi_and_map_check);
   HInstruction* BuildStoreNamedGeneric(HValue* object,
                                        Handle<String> name,
                                        HValue* value);
   HInstruction* BuildStoreKeyedGeneric(HValue* object,
                                        HValue* key,
                                        HValue* value);
 
   HInstruction* BuildStoreKeyedFastElement(HValue* object,
                                            HValue* key,
                                            HValue* val,
                                            Expression* expr);
 
   HInstruction* BuildStoreKeyedSpecializedArrayElement(
       HValue* object,
       HValue* key,
       HValue* val,
-      Assignment* expr);
+      Expression* expr);
+
+  HInstruction* BuildStoreKeyed(HValue* object,
+                                HValue* key,
+                                HValue* value,
+                                Expression* assignment);
 
   HValue* BuildContextChainWalk(Variable* var);
 
   void AddCheckConstantFunction(Call* expr,
                                 HValue* receiver,
                                 Handle<Map> receiver_map,
                                 bool smi_and_map_check);
 
   Zone* zone() { return zone_; }
 
@@ skipping 240 matching lines @@
   const char* filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_