1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  /* { dg-final { scan-assembler-not "undefined" } } */
       4  
       5  /* Make sure we optimize all calls away.  */
       6  
       7  extern void undefined (void);
       8  struct s { int a, b; };
       9  void bar (struct s *ps,  int *p, int *__restrict__ rp, int *__restrict__ rq)
      10  {
      11    ps->a = 0;
      12    ps->b = 1;
      13    if (ps->a != 0)
      14      undefined ();
      15    p[0] = 0;
      16    p[1] = 1;
      17    if (p[0] != 0)
      18      undefined ();
      19    rp[0] = 0;
      20    rq[0] = 1;
      21    if (rp[0] != 0)
      22      undefined ();
      23  }
      24  int main (void) {
      25    return 0;
      26  }