1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/async-await/in-trait/bad-signatures.rs b/tests/ui/async-await/in-trait/bad-signatures.rs
new file mode 100644
index 000000000..b86f1d1c1
--- /dev/null
+++ b/tests/ui/async-await/in-trait/bad-signatures.rs
@@ -0,0 +1,16 @@
+// edition:2021
+
+#![feature(async_fn_in_trait)]
+//~^ WARN the feature `async_fn_in_trait` is incomplete
+
+trait MyTrait {
+    async fn bar(&abc self);
+    //~^ ERROR expected identifier, found keyword `self`
+    //~| ERROR expected one of `:`, `@`, or `|`, found keyword `self`
+}
+
+impl MyTrait for () {
+    async fn bar(&self) {}
+}
+
+fn main() {}