// https://github.com/rust-lang/rust/issues/53708 struct S; #[derive(PartialEq, Eq)] struct T; fn main() { const C: &S = &S; match C { C => {} //~^ ERROR to use a constant of type `S` in a pattern, `S` must be annotated with } const K: &T = &T; match K { //~ ERROR non-exhaustive patterns: `&T` not covered K => {} } }