Correctly hook up back references to internalized strings in code deserializer.

src/objects.h

 // Copyright 2012 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include "src/allocation.h"
 #include "src/assert-scope.h"
 #include "src/builtins.h"
@@ skipping 9292 matching lines @@
   }
 
   template<class Visitor>
   static inline ConsString* VisitFlat(Visitor* visitor,
                                       String* string,
                                       int offset = 0);
 
   static Handle<FixedArray> CalculateLineEnds(Handle<String> string,
                                               bool include_ending_line);
 
+  // Use the hash field to forward to the canonical internalized string
+  // when deserializing an internalized string.
+  inline void SetForwardedInternalizedString(String* string);
+  inline String* GetForwardedInternalizedString();
+
  private:
   friend class Name;
   friend class StringTableInsertionKey;
 
   static Handle<String> SlowFlatten(Handle<ConsString> cons,
                                     PretenureFlag tenure);
 
   // Slow case of String::Equals.  This implementation works on any strings
   // but it is most efficient on strings that are almost flat.
   bool SlowEquals(String* other);
@@ skipping 1876 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_