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#![deny(unreachable_patterns)]
// The arity of `ref x` is always 1. If the pattern is compared to some non-structural type whose
// arity is always 0, an ICE occurs.
//
// Related issue: #23009
fn main() {
let homura = [1, 2, 3];
match homura {
[1, ref _madoka, 3] => (),
[1, 2, 3] => (), //~ ERROR unreachable pattern
[_, _, _] => (),
}
}
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