1  /* PR debug/37156 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -g" } */
       4  
       5  __attribute__ ((warning ("is experimental"))) int bar (int, int *, int *, int);
       6  
       7  long long foo (void)
       8  {
       9    int n, m;
      10    long long r;
      11    bar (0, &n, &m, 0);	/* { dg-warning "is experimental" } */
      12    r = (long long) n;
      13    return r;
      14  }
      15  
      16  void
      17  baz (int n)
      18  {
      19    int o;
      20    o = foo () - n;
      21  }