1 files changed, 26 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-53843.rs b/tests/ui/issues/issue-53843.rs
new file mode 100644
index 000000000..f305b370c
--- /dev/null
+++ b/tests/ui/issues/issue-53843.rs
@@ -0,0 +1,26 @@
+// run-pass
+
+use std::ops::Deref;
+
+pub struct Pin<P>(P);
+
+impl<P, T> Deref for Pin<P>
+where
+    P: Deref<Target=T>,
+{
+    type Target = T;
+
+    fn deref(&self) -> &T {
+        &*self.0
+    }
+}
+
+impl<P> Pin<P> {
+    fn poll(self) {}
+}
+
+fn main() {
+    let mut unit = ();
+    let pin = Pin(&mut unit);
+    pin.poll();
+}