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diff --git a/tests/ui/async-await/in-trait/nested-rpit.rs b/tests/ui/async-await/in-trait/nested-rpit.rs
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index 00000000000..ae8e0aed0cc
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+++ b/tests/ui/async-await/in-trait/nested-rpit.rs
@@ -0,0 +1,17 @@
+// check-pass
+// edition: 2021
+
+#![feature(async_fn_in_trait)]
+#![feature(return_position_impl_trait_in_trait)]
+#![allow(incomplete_features)]
+
+use std::future::Future;
+use std::marker::PhantomData;
+
+trait Lockable<K, V> {
+    async fn lock_all_entries(&self) -> impl Future<Output = Guard<'_>>;
+}
+
+struct Guard<'a>(PhantomData<&'a ()>);
+
+fn main() {}