1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/async-await/async-closures/signature-deduction.rs b/tests/ui/async-await/async-closures/signature-deduction.rs
new file mode 100644
index 00000000000..031dab10296
--- /dev/null
+++ b/tests/ui/async-await/async-closures/signature-deduction.rs
@@ -0,0 +1,10 @@
+//@ check-pass
+//@ edition: 2021
+
+#![feature(async_closure)]
+
+async fn foo(x: impl async Fn(&str) -> &str) {}
+
+fn main() {
+    foo(async |x| x);
+}