rust/src/test/ui/or-patterns/or-pattern-mismatch.rs

enum Blah { A(isize, isize, usize), B(isize, isize) }

fn main() { match Blah::A(1, 1, 2) { Blah::A(_, x, y) | Blah::B(x, y) => { } } }
//~^ ERROR mismatched types