Fix spec violations related to regexp.lastIndex

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 6628 matching lines @@
   inline Flags GetFlags();
   inline String* Pattern();
   inline Object* DataAt(int index);
   // Set implementation data after the object has been prepared.
   inline void SetDataAt(int index, Object* value);
 
   // Used during GC when flushing code or setting age.
   inline Object* DataAtUnchecked(int index);
   inline void SetDataAtUnchecked(int index, Object* value, Heap* heap);
   inline Type TypeTagUnchecked();
+  inline void ResetLastIndex();
 
   static int code_index(bool is_ascii) {
     if (is_ascii) {
       return kIrregexpASCIICodeIndex;
     } else {
       return kIrregexpUC16CodeIndex;
     }
   }
 
   static int saved_code_index(bool is_ascii) {
@@ skipping 2337 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_