1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/async-await/for-await-passthrough.rs b/tests/ui/async-await/for-await-passthrough.rs
new file mode 100644
index 00000000000..7fa133aaedc
--- /dev/null
+++ b/tests/ui/async-await/for-await-passthrough.rs
@@ -0,0 +1,32 @@
+// run-pass
+// edition: 2024
+// compile-flags: -Zunstable-options
+#![feature(async_iterator, async_iter_from_iter, const_waker, async_for_loop, noop_waker,
+           gen_blocks)]
+
+use std::future::Future;
+
+async gen fn async_iter() -> i32 {
+    let iter = core::async_iter::from_iter(0..3);
+    for await i in iter {
+        yield i + 1;
+    }
+}
+
+// make sure a simple for await loop works
+async fn real_main() {
+    let mut count = 1;
+    for await i in async_iter() {
+        assert_eq!(i, count);
+        count += 1;
+    }
+    assert_eq!(count, 4);
+}
+
+fn main() {
+    let future = real_main();
+    let waker = std::task::Waker::noop();
+    let mut cx = &mut core::task::Context::from_waker(&waker);
+    let mut future = core::pin::pin!(future);
+    while let core::task::Poll::Pending = future.as_mut().poll(&mut cx) {}
+}