1  /* PR middle-end/19983 */
       2  
       3  typedef __SIZE_TYPE__ size_t;
       4  
       5  extern void abort(void);
       6  extern int memcmp(const void *, const void *, size_t);
       7  
       8  double n1 = __builtin_nan("0x1");
       9  double n2 = __builtin_nan("0X1");
      10  
      11  int main()
      12  {
      13    if (memcmp (&n1, &n2, sizeof(double)))
      14      abort();
      15    return 0;
      16  }
      17