Make sure transitioned arrays efficiently call builtin Array functions

src/lithium.h

-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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
 //       with the distribution.
@@ skipping 504 matching lines @@
   ZoneList<LOperand*> values_;
   ZoneList<Representation> representations_;
 
   // Allocation index indexed arrays of spill slot operands for registers
   // that are also in spill slots at an OSR entry.  NULL for environments
   // that do not correspond to an OSR entry.
   LOperand** spilled_registers_;
   LOperand** spilled_double_registers_;
 
   LEnvironment* outer_;
-
-  friend class LCodegen;
 };
 
 
 // Iterates over the non-null, non-constant operands in an environment.
 class ShallowIterator BASE_EMBEDDED {
  public:
   explicit ShallowIterator(LEnvironment* env)
       : env_(env),
         limit_(env != NULL ? env->values()->length() : 0),
         current_(0) {
@@ skipping 63 matching lines @@
   ShallowIterator current_iterator_;
 };
 
 
 int ElementsKindToShiftSize(ElementsKind elements_kind);
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LITHIUM_H_