rust/tests/ui/generic-associated-types/issue-68656-unsized-values.rs

20 lines
405 B
Rust

// Regression test for #68656
trait UnsafeCopy<T: Copy> {
type Item<'a>: std::ops::Deref<Target = T>;
fn bug<'a>(item: &Self::Item<'a>) -> () {
let x: T = **item;
&x as *const _;
}
}
impl<T: Copy + std::ops::Deref> UnsafeCopy<T> for T {
type Item<'a> = T;
//~^ ERROR type mismatch resolving `<T as Deref>::Target == T`
}
fn main() {
<&'static str>::bug(&"");
}