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// test for #87707
// edition:2018
// run-fail
// exec-env:RUST_BACKTRACE=0
// check-run-results
// needs-unwind uses catch_unwind
use std::sync::Once;
use std::panic;
fn main() {
let o = Once::new();
let _ = panic::catch_unwind(|| {
o.call_once(|| panic!("Here Once instance is poisoned."));
});
o.call_once(|| {});
}
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