1 files changed, 45 insertions, 0 deletions
diff --git a/tests/ui/async-await/drop-track-field-assign-nonsend.rs b/tests/ui/async-await/drop-track-field-assign-nonsend.rs
new file mode 100644
index 00000000000..b6c0fda1521
--- /dev/null
+++ b/tests/ui/async-await/drop-track-field-assign-nonsend.rs
@@ -0,0 +1,45 @@
+// Derived from an ICE found in tokio-xmpp during a crater run.
+// edition:2021
+// compile-flags: -Zdrop-tracking
+
+#![allow(dead_code)]
+
+#[derive(Clone)]
+struct InfoResult {
+    node: Option<std::rc::Rc<String>>
+}
+
+struct Agent {
+    info_result: InfoResult
+}
+
+impl Agent {
+    async fn handle(&mut self) {
+        let mut info = self.info_result.clone();
+        info.node = None;
+        let element = parse_info(info);
+        let _ = send_element(element).await;
+    }
+}
+
+struct Element {
+}
+
+async fn send_element(_: Element) {}
+
+fn parse(_: &[u8]) -> Result<(), ()> {
+    Ok(())
+}
+
+fn parse_info(_: InfoResult) -> Element {
+    Element { }
+}
+
+fn assert_send<T: Send>(_: T) {}
+
+fn main() {
+    let agent = Agent { info_result: InfoResult { node: None } };
+    // FIXME: It would be nice for this to work. See #94067.
+    assert_send(agent.handle());
+    //~^ cannot be sent between threads safely
+}