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-rw-r--r--tests/ui/consts/issue-69191-ice-on-uninhabited-enum-field.rs91
1 files changed, 91 insertions, 0 deletions
diff --git a/tests/ui/consts/issue-69191-ice-on-uninhabited-enum-field.rs b/tests/ui/consts/issue-69191-ice-on-uninhabited-enum-field.rs
new file mode 100644
index 000000000..5b7c7be42
--- /dev/null
+++ b/tests/ui/consts/issue-69191-ice-on-uninhabited-enum-field.rs
@@ -0,0 +1,91 @@
+// 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) => {}
+ }
+}