Rollup merge of #62337 - Mark-Simulacrum:fix-cpu-usage-script, r=alexcrichton

[rust.git] / src / test / ui / issues / issue-40000.rs

fn main() {
    let bar: fn(&mut u32) = |_| {};

    fn foo(x: Box<dyn Fn(&i32)>) {}
    let bar = Box::new(|x: &i32| {}) as Box<dyn Fn(_)>;
    foo(bar); //~ ERROR E0308
}