Fix code cache lookup for keyed IC's...

src/objects.h

 // Copyright 2006-2009 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 2953 matching lines @@
   inline void ClearCodeCache();
 
   // Update code cache.
   Object* UpdateCodeCache(String* name, Code* code);
 
   // Returns the found code or undefined if absent.
   Object* FindInCodeCache(String* name, Code::Flags flags);
 
   // Returns the non-negative index of the code object if it is in the
   // cache and -1 otherwise.
-  int IndexInCodeCache(String* name, Code* code);
+  int IndexInCodeCache(Object* name, Code* code);
 
   // Removes a code object from the code cache at the given index.
   void RemoveFromCodeCache(String* name, Code* code, int index);
 
   // For every transition in this map, makes the transition's
   // target's prototype pointer point back to this map.
   // This is undone in MarkCompactCollector::ClearNonLiveTransitions().
   void CreateBackPointers();
 
   // Set all map transitions from this map to dead maps to null.
@@ skipping 751 matching lines @@
   Object* Update(String* name, Code* code);
 
   // Lookup code object in the cache. Returns code object if found and undefined
   // if not.
   Object* Lookup(String* name, Code::Flags flags);
 
   // Get the internal index of a code object in the cache. Returns -1 if the
   // code object is not in that cache. This index can be used to later call
   // RemoveByIndex. The cache cannot be modified between a call to GetIndex and
   // RemoveByIndex.
-  int GetIndex(String* name, Code* code);
+  int GetIndex(Object* name, Code* code);
 
   // Remove an object from the cache with the provided internal index.
-  void RemoveByIndex(String* name, Code* code, int index);
+  void RemoveByIndex(Object* name, Code* code, int index);
 
   static inline CodeCache* cast(Object* obj);
 
 #ifdef DEBUG
   void CodeCachePrint();
   void CodeCacheVerify();
 #endif
 
   static const int kDefaultCacheOffset = HeapObject::kHeaderSize;
   static const int kNormalTypeCacheOffset =
@@ skipping 1323 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_