Auto merge of #101768 - sunfishcode:sunfishcode/wasi-stdio-lock-asfd, r=joshtriplett

[rust.git] / src / test / ui / borrowck / regions-escape-unboxed-closure.rs

fn with_int(f: &mut dyn FnMut(&isize)) {}

fn main() {
    let mut x: Option<&isize> = None;
    with_int(&mut |y| x = Some(y));
    //~^ ERROR borrowed data escapes outside of closure
}