// run-fail
// error-pattern:thread 'main' panicked at 'attempt to negate with overflow'
// ignore-emscripten no processes
// compile-flags: -C debug-assertions

#![allow(arithmetic_overflow)]

use std::num::NonZeroI8;

fn main() {
    let _x = -NonZeroI8::new(i8::MIN).unwrap();
}