// run-pass
#![allow(non_camel_case_types)]
-enum blah { a(isize, isize, usize), b(isize, isize), c, }
+enum blah { a(isize, isize, #[allow(unused_tuple_struct_fields)] usize), b(isize, isize), c, }
fn or_alt(q: blah) -> isize {
match q { blah::a(x, y, _) | blah::b(x, y) => { return x + y; } blah::c => { return 0; } }