1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/mir-opt/issue-72181-1.rs b/src/test/mir-opt/issue-72181-1.rs
new file mode 100644
index 000000000..91e98adbe
--- /dev/null
+++ b/src/test/mir-opt/issue-72181-1.rs
@@ -0,0 +1,21 @@
+// compile-flags: -Z mir-opt-level=1
+// Regression test for #72181, this ICE requires `-Z mir-opt-level=1` flags.
+
+#![feature(never_type)]
+#![allow(unused, invalid_value)]
+
+enum Void {}
+
+// EMIT_MIR issue_72181_1.f.mir_map.0.mir
+fn f(v: Void) -> ! {
+    match v {}
+}
+
+// EMIT_MIR issue_72181_1.main.mir_map.0.mir
+fn main() {
+    let v: Void = unsafe {
+        std::mem::transmute::<(), Void>(())
+    };
+
+    f(v);
+}