fn f() -> i32 {
  var i : i32;
  var j : i32;
  loop {
    if ((i > 4)) {
      return 1;
    }
    loop {
      if ((j > 4)) {
        return 2;
      }

      continuing {
        j = (j + 1);
      }
    }

    continuing {
      i = (i + 1);
    }
  }
  return 0;
}