Revert revision 1949.

src/register-allocator.h

 // Copyright 2008 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 82 matching lines @@
     //            unknown
     //
     UNKNOWN_TYPE     = 0x00,
     SMI_TYPE         = 0x01,
     HEAP_OBJECT_TYPE = 0x02,
     STRING_TYPE      = 0x04 | HEAP_OBJECT_TYPE
   };
   explicit StaticType(StaticTypeEnum static_type) : static_type_(static_type) {}
 
   // StaticTypeEnum static_type_;
-  StaticTypeEnum static_type_;
-
-  friend class FrameElement;
+  byte static_type_;
 };
 
 
 // -------------------------------------------------------------------------
 // Results
 //
 // Results encapsulate the compile-time values manipulated by the code
 // generator.  They can represent registers or constants.
 
 class Result BASE_EMBEDDED {
@@ skipping 215 matching lines @@
   }
 
  private:
   CodeGenerator* cgen_;
   RegisterFile registers_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_REGISTER_ALLOCATOR_H_