//@ run-pass
//@ compile-flags: -C debug_assertions=no

fn main() {
    let mut it = u8::MAX..;
    assert_eq!(it.next().unwrap(), 255);
    assert_eq!(it.next().unwrap(), u8::MIN);

    let mut it = i8::MAX..;
    assert_eq!(it.next().unwrap(), 127);
    assert_eq!(it.next().unwrap(), i8::MIN);
}