1  /* { dg-options "-std=c99" } */
       2  
       3  long long a = -1;
       4  long long llabs (long long);
       5  void abort (void);
       6  int
       7  main()
       8  {
       9    if (llabs (a) != 1)
      10      abort ();
      11    return 0;
      12  }
      13  long long llabs (long long b)
      14  {
      15  	abort ();
      16  }