// build-pass // // (this is deliberately *not* check-pass; I have confirmed that the bug in // question does not replicate when one uses `cargo check` alone.) pub enum Void {} enum UninhabitedUnivariant { _Variant(Void), } enum UninhabitedMultivariant2 { _Variant(Void), _Warriont(Void), } enum UninhabitedMultivariant3 { _Variant(Void), _Warriont(Void), _Worrynot(Void), } #[repr(C)] enum UninhabitedUnivariantC { _Variant(Void), } #[repr(i32)] enum UninhabitedUnivariant32 { _Variant(Void), } fn main() { let _seed: UninhabitedUnivariant = None.unwrap(); match _seed { UninhabitedUnivariant::_Variant(_x) => {} } let _seed: UninhabitedMultivariant2 = None.unwrap(); match _seed { UninhabitedMultivariant2::_Variant(_x) => {} UninhabitedMultivariant2::_Warriont(_x) => {} } let _seed: UninhabitedMultivariant2 = None.unwrap(); match _seed { UninhabitedMultivariant2::_Variant(_x) => {} _ => {} } let _seed: UninhabitedMultivariant2 = None.unwrap(); match _seed { UninhabitedMultivariant2::_Warriont(_x) => {} _ => {} } let _seed: UninhabitedMultivariant3 = None.unwrap(); match _seed { UninhabitedMultivariant3::_Variant(_x) => {} UninhabitedMultivariant3::_Warriont(_x) => {} UninhabitedMultivariant3::_Worrynot(_x) => {} } let _seed: UninhabitedMultivariant3 = None.unwrap(); match _seed { UninhabitedMultivariant3::_Variant(_x) => {} _ => {} } let _seed: UninhabitedMultivariant3 = None.unwrap(); match _seed { UninhabitedMultivariant3::_Warriont(_x) => {} _ => {} } let _seed: UninhabitedMultivariant3 = None.unwrap(); match _seed { UninhabitedMultivariant3::_Worrynot(_x) => {} _ => {} } let _seed: UninhabitedUnivariantC = None.unwrap(); match _seed { UninhabitedUnivariantC::_Variant(_x) => {} } let _seed: UninhabitedUnivariant32 = None.unwrap(); match _seed { UninhabitedUnivariant32::_Variant(_x) => {} } }