Fix opmitized external array access for compound assignments

src/type-info.cc

-// Copyright 2010 the V8 project authors. All rights reserved.
+// 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
 //       with the distribution.
@@ skipping 70 matching lines @@
   if (map_or_code->IsMap()) return true;
   if (map_or_code->IsCode()) {
     Handle<Code> code(Code::cast(*map_or_code));
     return code->kind() == Code::KEYED_EXTERNAL_ARRAY_LOAD_IC &&
         code->FindFirstMap() != NULL;
   }
   return false;
 }
 
 
-bool TypeFeedbackOracle::StoreIsMonomorphic(Assignment* expr) {
+bool TypeFeedbackOracle::StoreIsMonomorphic(Expression* expr) {
   Handle<Object> map_or_code(GetInfo(expr->position()));
   if (map_or_code->IsMap()) return true;
   if (map_or_code->IsCode()) {
     Handle<Code> code(Code::cast(*map_or_code));
     return code->kind() == Code::KEYED_EXTERNAL_ARRAY_STORE_IC &&
         code->FindFirstMap() != NULL;
   }
   return false;
 }
 
 
 bool TypeFeedbackOracle::CallIsMonomorphic(Call* expr) {
   Handle<Object> value = GetInfo(expr->position());
   return value->IsMap() || value->IsSmi();
 }
 
 
 Handle<Map> TypeFeedbackOracle::LoadMonomorphicReceiverType(Property* expr) {
   ASSERT(LoadIsMonomorphic(expr));
   Handle<Object> map_or_code(
       Handle<HeapObject>::cast(GetInfo(expr->position())));
   if (map_or_code->IsCode()) {
     Handle<Code> code(Code::cast(*map_or_code));
     return Handle<Map>(code->FindFirstMap());
   }
   return Handle<Map>(Map::cast(*map_or_code));
 }
 
 
-Handle<Map> TypeFeedbackOracle::StoreMonomorphicReceiverType(Assignment* expr) {
+Handle<Map> TypeFeedbackOracle::StoreMonomorphicReceiverType(Expression* expr) {
   ASSERT(StoreIsMonomorphic(expr));
   Handle<HeapObject> map_or_code(
       Handle<HeapObject>::cast(GetInfo(expr->position())));
   if (map_or_code->IsCode()) {
     Handle<Code> code(Code::cast(*map_or_code));
     return Handle<Map>(code->FindFirstMap());
   }
   return Handle<Map>(Map::cast(*map_or_code));
 }
 
@@ skipping 38 matching lines @@
 }
 
 ExternalArrayType TypeFeedbackOracle::GetKeyedLoadExternalArrayType(
     Property* expr) {
   Handle<Object> stub = GetInfo(expr->position());
   ASSERT(stub->IsCode());
   return Code::cast(*stub)->external_array_type();
 }
 
 ExternalArrayType TypeFeedbackOracle::GetKeyedStoreExternalArrayType(
-    Assignment* expr) {
+    Expression* expr) {
   Handle<Object> stub = GetInfo(expr->position());
   ASSERT(stub->IsCode());
   return Code::cast(*stub)->external_array_type();
 }
 
 Handle<JSObject> TypeFeedbackOracle::GetPrototypeForPrimitiveCheck(
     CheckType check) {
   JSFunction* function = NULL;
   switch (check) {
     case RECEIVER_MAP_CHECK:
@@ skipping 271 matching lines @@
         source_positions->Add(position);
       }
     } else {
       ASSERT(RelocInfo::IsPosition(mode));
       position = static_cast<int>(info->data());
     }
   }
 }
 
 } }  // namespace v8::internal