Enable stub generation using Hydrogen/Lithium (again)

src/smart-pointers.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 45 matching lines @@
   inline T* operator->() const { return p_; }
 
   // You can get the underlying pointer out with the * operator.
   inline T* operator*() { return p_; }
 
   // You can use [n] to index as if it was a plain pointer
   inline T& operator[](size_t i) {
     return p_[i];
   }
 
+  // You can use [n] to index as if it was a plain pointer
+  const inline T& operator[](size_t i) const {
+    return p_[i];
+  }
+
   // We don't have implicit conversion to a T* since that hinders migration:
   // You would not be able to change a method from returning a T* to
   // returning an SmartArrayPointer<T> and then get errors wherever it is used.
 
 
   // If you want to take out the plain pointer and don't want it automatically
   // deleted then call Detach().  Afterwards, the smart pointer is empty
   // (NULL).
   inline T* Detach() {
     T* temp = p_;
@@ skipping 54 matching lines @@
   inline SmartPointer() { }
   explicit inline SmartPointer(T* ptr)
       : SmartPointerBase<ObjectDeallocator<T>, T>(ptr) { }
   inline SmartPointer(const SmartPointer<T>& rhs)
       : SmartPointerBase<ObjectDeallocator<T>, T>(rhs) { }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_SMART_POINTERS_H_