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 | // run-pass
// needs-unwind
// compile-flags: -C debug_assertions=yes
use std::panic;
fn main() {
    let r = panic::catch_unwind(|| {
        let mut it = u8::MAX..;
        it.next().unwrap(); // 255
        it.next().unwrap();
    });
    assert!(r.is_err());
    let r = panic::catch_unwind(|| {
        let mut it = i8::MAX..;
        it.next().unwrap(); // 127
        it.next().unwrap();
    });
    assert!(r.is_err());
}
 |