File: issue-53092-2.rs

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#![feature(type_alias_impl_trait)]
#![allow(dead_code)]

type Bug<T, U> = impl Fn(T) -> U + Copy; //~ ERROR cycle detected

const CONST_BUG: Bug<u8, ()> = unsafe { std::mem::transmute(|_: u8| ()) };
//~^ ERROR: non-defining opaque type use

fn make_bug<T, U: From<T>>() -> Bug<T, U> {
    |x| x.into() //~ ERROR the trait bound `U: From<T>` is not satisfied
}

fn main() {
    CONST_BUG(0);
}