Replace special IC builtins and stubs in the map's cache by codestubs.

src/stub-cache.cc

 // 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 347 matching lines @@
 
   KeyedLoadStubCompiler compiler(isolate_);
   Handle<Code> code = compiler.CompileLoadArrayLength(name);
   PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name));
   GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, *name, *code));
   JSObject::UpdateMapCodeCache(receiver, name, code);
   return code;
 }
 
 
-Handle<Code> StubCache::ComputeKeyedLoadStringLength(Handle<String> name,
-                                                     Handle<String> receiver) {
-  Code::Flags flags =
-      Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, Code::CALLBACKS);
-  Handle<Map> map(receiver->map());
-  Handle<Object> probe(map->FindInCodeCache(*name, flags), isolate_);
-  if (probe->IsCode()) return Handle<Code>::cast(probe);
-
-  KeyedLoadStubCompiler compiler(isolate_);
-  Handle<Code> code = compiler.CompileLoadStringLength(name);
-  PROFILE(isolate_, CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, *code, *name));
-  GDBJIT(AddCode(GDBJITInterface::KEYED_LOAD_IC, *name, *code));
-  Map::UpdateCodeCache(map, name, code);
-  return code;
-}
-
-
 Handle<Code> StubCache::ComputeKeyedLoadFunctionPrototype(
     Handle<String> name,
     Handle<JSFunction> receiver) {
   Code::Flags flags =
       Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, Code::CALLBACKS);
   Handle<Object> probe(receiver->map()->FindInCodeCache(*name, flags),
                        isolate_);
   if (probe->IsCode()) return Handle<Code>::cast(probe);
 
   KeyedLoadStubCompiler compiler(isolate_);
@@ skipping 1208 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal