CallICStub with a "never patch" approach until customization.

src/factory.h

 // 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.
 
 #ifndef V8_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "isolate.h"
 
 namespace v8 {
@@ skipping 571 matching lines @@
   // Allocates a new SharedFunctionInfo object.
   Handle<SharedFunctionInfo> NewSharedFunctionInfo(
       Handle<String> name,
       int number_of_literals,
       bool is_generator,
       Handle<Code> code,
       Handle<ScopeInfo> scope_info,
       Handle<FixedArray> feedback_vector);
   Handle<SharedFunctionInfo> NewSharedFunctionInfo(Handle<String> name);
 
+  // Allocate a new type feedback vector
+  Handle<FixedArray> NewTypeFeedbackVector(int slot_count);
+
   // Allocates a new JSMessageObject object.
   Handle<JSMessageObject> NewJSMessageObject(
       Handle<String> type,
       Handle<JSArray> arguments,
       int start_position,
       int end_position,
       Handle<Object> script,
       Handle<Object> stack_frames);
 
   Handle<SeededNumberDictionary> DictionaryAtNumberPut(
@@ skipping 80 matching lines @@
   // the string representation of the number.  Otherwise return undefined.
   Handle<Object> GetNumberStringCache(Handle<Object> number);
 
   // Update the cache with a new number-string pair.
   void SetNumberStringCache(Handle<Object> number, Handle<String> string);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_