1  /* { dg-compile } */
       2  /* { dg-options "-O2 -march=z196" } */
       3  
       4  extern long useme (long, ...);
       5  
       6  void
       7  foo (void)
       8  {
       9    long secs = useme (41);
      10    long utc_secs = useme (42);
      11    long h, m;
      12  
      13    utc_secs = useme (42);
      14    h = secs / 3600;
      15    m = secs / 60;
      16    if (utc_secs >= 86400)
      17      {
      18        m = 59;
      19        h--;
      20        if (h < 0)
      21  	h = 23;
      22      }
      23    useme (h, m);
      24  }