1  /* { dg-do compile } */
       2  
       3  int
       4  main ()
       5  {
       6    volatile double d = 0.0;
       7    double *p = __builtin_calloc (1, sizeof (double));
       8    d += 1.0;
       9    *p += 2.0;
      10    __builtin_free (p);
      11    return 0;
      12  }
      13