1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/lint/unused/must-use-foreign.rs b/tests/ui/lint/unused/must-use-foreign.rs
new file mode 100644
index 000000000..21a110585
--- /dev/null
+++ b/tests/ui/lint/unused/must-use-foreign.rs
@@ -0,0 +1,15 @@
+// edition:2021
+// aux-build:must-use-foreign.rs
+// check-pass
+
+extern crate must_use_foreign;
+
+use must_use_foreign::Manager;
+
+async fn async_main() {
+    Manager::new().await.1.await;
+}
+
+fn main() {
+    let _ = async_main();
+}