1 files changed, 33 insertions, 0 deletions

diff --git a/tests/ui/async-await/issues/issue-78938-async-block.rs b/tests/ui/async-await/issues/issue-78938-async-block.rs
new file mode 100644
index 000000000..36f716019
--- /dev/null
+++ b/tests/ui/async-await/issues/issue-78938-async-block.rs
@@ -0,0 +1,33 @@
+// edition:2018
+
+use std::{sync::Arc, future::Future, pin::Pin, task::{Context, Poll}};
+
+async fn f() {
+    let room_ref = Arc::new(Vec::new());
+
+    let gameloop_handle = spawn(async { //~ ERROR E0373
+        game_loop(Arc::clone(&room_ref))
+    });
+    gameloop_handle.await;
+}
+
+fn game_loop(v: Arc<Vec<usize>>) {}
+
+fn spawn<F>(future: F) -> JoinHandle
+where
+    F: Future + Send + 'static,
+    F::Output: Send + 'static,
+{
+    loop {}
+}
+
+struct JoinHandle;
+
+impl Future for JoinHandle {
+    type Output = ();
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        loop {}
+    }
+}
+
+fn main() {}