1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/async-await/in-trait/async-lifetimes.rs b/tests/ui/async-await/in-trait/async-lifetimes.rs
new file mode 100644
index 000000000..f298e45d2
--- /dev/null
+++ b/tests/ui/async-await/in-trait/async-lifetimes.rs
@@ -0,0 +1,17 @@
+// check-pass
+// edition: 2021
+
+#![feature(async_fn_in_trait)]
+#![allow(incomplete_features)]
+
+trait MyTrait<'a, 'b, T> {
+    async fn foo(&'a self, key: &'b T) -> (&'a Self, &'b T);
+}
+
+impl<'a, 'b, T, U> MyTrait<'a, 'b, T> for U {
+    async fn foo(&'a self, key: &'b T) -> (&'a U, &'b T) {
+        (self, key)
+    }
+}
+
+fn main() {}