1 files changed, 6 insertions, 0 deletions
diff --git a/tests/ui/pattern/usefulness/irrefutable-unit.rs b/tests/ui/pattern/usefulness/irrefutable-unit.rs
new file mode 100644
index 000000000..dd8f03b6d
--- /dev/null
+++ b/tests/ui/pattern/usefulness/irrefutable-unit.rs
@@ -0,0 +1,6 @@
+// run-pass
+// pretty-expanded FIXME #23616
+
+pub fn main() {
+    let ((),()) = ((),());
+}