Correctify instanceof and make it optimizable.

src/code-factory.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/code-factory.h"
 
 #include "src/bootstrapper.h"
 #include "src/ic/ic.h"
 
 namespace v8 {
@@ skipping 135 matching lines @@
 
 // static
 Callable CodeFactory::StoreGlobalViaContext(Isolate* isolate, int depth,
                                             LanguageMode language_mode) {
   StoreGlobalViaContextStub stub(isolate, depth, language_mode);
   return Callable(stub.GetCode(), stub.GetCallInterfaceDescriptor());
 }
 
 
 // static
-Callable CodeFactory::Instanceof(Isolate* isolate,
-                                 InstanceofStub::Flags flags) {
-  InstanceofStub stub(isolate, flags);
+Callable CodeFactory::InstanceOf(Isolate* isolate) {
+  InstanceOfStub stub(isolate);
   return Callable(stub.GetCode(), stub.GetCallInterfaceDescriptor());
 }
 
 
 // static
 Callable CodeFactory::ToBoolean(Isolate* isolate,
                                 ToBooleanStub::ResultMode mode,
                                 ToBooleanStub::Types types) {
   ToBooleanStub stub(isolate, mode, types);
   return Callable(stub.GetCode(), stub.GetCallInterfaceDescriptor());
@@ skipping 62 matching lines @@
 
 // static
 Callable CodeFactory::CallFunction(Isolate* isolate, int argc,
                                    CallFunctionFlags flags) {
   CallFunctionStub stub(isolate, argc, flags);
   return Callable(stub.GetCode(), stub.GetCallInterfaceDescriptor());
 }
 
 }  // namespace internal
 }  // namespace v8