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// Regression test for #68641
trait UnsafeCopy {
type Item<'a>: Copy;
fn copy<'a>(item: &Self::Item<'a>) -> Self::Item<'a> {
*item
}
}
impl<T> UnsafeCopy for T {
type Item<'a> = T;
//~^ ERROR the trait bound `T: Copy` is not satisfied
}
fn main() {
let mut s = String::from("Hello world!");
let copy = String::copy(&s);
// Do we indeed point to the samme memory?
assert!(s.as_ptr() == copy.as_ptr());
// Any use of `copy` is certeinly UB after this
drop(s);
// UB UB UB UB UB!!
println!("{}", copy);
}
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