Allow uncacheable identifiers to go generic.

src/objects.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 7977 matching lines @@
 
   // Equality operations.
   inline bool Equals(Name* other);
 
   // Conversion.
   inline bool AsArrayIndex(uint32_t* index);
 
   // Casting.
   static inline Name* cast(Object* obj);
 
+  bool IsCacheable(Isolate* isolate);
+
   DECLARE_PRINTER(Name)
 
   // Layout description.
   static const int kHashFieldOffset = HeapObject::kHeaderSize;
   static const int kSize = kHashFieldOffset + kPointerSize;
 
   // Mask constant for checking if a name has a computed hash code
   // and if it is a string that is an array index.  The least significant bit
   // indicates whether a hash code has been computed.  If the hash code has
   // been computed the 2nd bit tells whether the string can be used as an
@@ skipping 2151 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_