1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/typeck/issue-90027-async-fn-return-suggestion.rs b/tests/ui/typeck/issue-90027-async-fn-return-suggestion.rs
new file mode 100644
index 000000000..8ccb15ca4
--- /dev/null
+++ b/tests/ui/typeck/issue-90027-async-fn-return-suggestion.rs
@@ -0,0 +1,21 @@
+// edition:2018
+
+async fn hello() { //~ HELP try adding a return type
+    0
+    //~^ ERROR [E0308]
+}
+
+async fn world() -> () {
+    0
+    //~^ ERROR [E0308]
+}
+
+async fn suggest_await_in_async_fn_return() {
+    hello()
+    //~^ ERROR mismatched types [E0308]
+    //~| HELP consider `await`ing on the `Future`
+    //~| HELP consider using a semicolon here
+    //~| SUGGESTION .await
+}
+
+fn main() {}