1 files changed, 11 insertions, 0 deletions

diff --git a/tests/ui/async-await/issues/issue-65159.rs b/tests/ui/async-await/issues/issue-65159.rs
new file mode 100644
index 00000000000..df2ca025705
--- /dev/null
+++ b/tests/ui/async-await/issues/issue-65159.rs
@@ -0,0 +1,11 @@
+// Regression test for #65159. We used to ICE.
+//
+// edition:2018
+
+async fn copy() -> Result<()>
+//~^ ERROR this enum takes 2 generic arguments
+{
+    Ok(())
+}
+
+fn main() { }