1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/specialization/issue-63716-parse-async.rs b/src/test/ui/specialization/issue-63716-parse-async.rs
new file mode 100644
index 000000000..10f185c33
--- /dev/null
+++ b/src/test/ui/specialization/issue-63716-parse-async.rs
@@ -0,0 +1,14 @@
+// Ensure that `default async fn` will parse.
+// See issue #63716 for details.
+
+// check-pass
+// edition:2018
+
+#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
+
+fn main() {}
+
+#[cfg(FALSE)]
+impl Foo for Bar {
+    default async fn baz() {}
+}