fn f() {
  for(var i0520 = array<i32, 636109182>()[0]; false; ) {
  }
  for(var i62 = array<i32, 656633>()[0]; false; ) {
  }
  for(var i0520 = array<i32, 636109182>()[0]; false; ) {
  }
  for(var i62 = array<i32, 656633>()[0]; false; ) {
  }
  for(var i62 = array<i32, 6566335>()[341]; false; ) {
  }
  for(var i60 = array<i32, 1>()[0]; false; ) {
  }
  for(var i62 = array<i32, 6566335>()[341]; false; ) {
  }
  for(var i60 = array<i32, 1>()[0]; false; ) {
  }
}
