//@ check-pass
fn main() {}
const fn foo() {
let x = [1, 2, 3, 4, 5];
let y: &[_] = &x;
struct Foo<T: ?Sized>(bool, T);
let x: Foo<[u8; 3]> = Foo(true, [1, 2, 3]);
let y: &Foo<[u8]> = &x;
}