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// As documented in Issue #45983, this test is evaluating the quality
// of our diagnostics on erroneous code using higher-ranked closures.
fn give_any<F: for<'r> FnOnce(&'r ())>(f: F) {
f(&());
}
fn main() {
let mut x = None;
give_any(|y| x = Some(y));
//~^ ERROR borrowed data escapes outside of closure
}
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