1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/async-await/multiple-lifetimes/ret-impl-trait-fg.rs b/src/test/ui/async-await/multiple-lifetimes/ret-impl-trait-fg.rs
new file mode 100644
index 000000000..f1002947f
--- /dev/null
+++ b/src/test/ui/async-await/multiple-lifetimes/ret-impl-trait-fg.rs
@@ -0,0 +1,17 @@
+// edition:2018
+// run-pass
+
+// Test member constraints that appear in the `impl Trait`
+// return type of an async function.
+// (This used to require a feature gate.)
+
+trait Trait<'a, 'b> { }
+impl<T> Trait<'_, '_> for T { }
+
+async fn async_ret_impl_trait<'a, 'b>(a: &'a u8, b: &'b u8) -> impl Trait<'a, 'b> {
+    (a, b)
+}
+
+fn main() {
+    let _ = async_ret_impl_trait(&22, &44);
+}