1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/async-await/in-trait/fn-not-async-err.rs b/tests/ui/async-await/in-trait/fn-not-async-err.rs
new file mode 100644
index 000000000..9598d53bc
--- /dev/null
+++ b/tests/ui/async-await/in-trait/fn-not-async-err.rs
@@ -0,0 +1,17 @@
+// edition: 2021
+
+#![feature(async_fn_in_trait)]
+#![allow(incomplete_features)]
+
+trait MyTrait {
+    async fn foo(&self) -> i32;
+}
+
+impl MyTrait for i32 {
+    fn foo(&self) -> i32 {
+        //~^ ERROR: method `foo` should be async
+        *self
+    }
+}
+
+fn main() {}