Cache optimized code for OSR.

src/transitions-inl.h

 // 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 97 matching lines @@
 
 Object** TransitionArray::GetPrototypeTransitionsSlot() {
   return HeapObject::RawField(reinterpret_cast<HeapObject*>(this),
                               kPrototypeTransitionsOffset);
 }
 
 
 Object** TransitionArray::GetKeySlot(int transition_number) {
   ASSERT(!IsSimpleTransition());
   ASSERT(transition_number < number_of_transitions());
-  return HeapObject::RawField(
-      reinterpret_cast<HeapObject*>(this),
-      OffsetOfElementAt(ToKeyIndex(transition_number)));
+  return RawFieldOfElementAt(ToKeyIndex(transition_number));
 }
 
 
 Name* TransitionArray::GetKey(int transition_number) {
   if (IsSimpleTransition()) {
     Map* target = GetTarget(kSimpleTransitionIndex);
     int descriptor = target->LastAdded();
     Name* key = target->instance_descriptors()->GetKey(descriptor);
     return key;
   }
@@ skipping 58 matching lines @@
 
 
 #undef FIELD_ADDR
 #undef WRITE_FIELD
 #undef CONDITIONAL_WRITE_BARRIER
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TRANSITIONS_INL_H_