From 05704ec79aa729044aef70449d6661b658f0e37e Mon Sep 17 00:00:00 2001
From: csmoe <csmoe@msn.com>
Date: Fri, 12 Feb 2021 16:50:25 +0800
Subject: [PATCH] add testcase for issue 78600

---
 src/test/ui/async-await/issues/issue-78600.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 src/test/ui/async-await/issues/issue-78600.rs

diff --git a/src/test/ui/async-await/issues/issue-78600.rs b/src/test/ui/async-await/issues/issue-78600.rs
new file mode 100644
index 00000000000..8aaeaecf3e1
--- /dev/null
+++ b/src/test/ui/async-await/issues/issue-78600.rs
@@ -0,0 +1,12 @@
+// edition:2018
+
+struct S<'a>(&'a i32);
+
+impl<'a> S<'a> {
+    async fn new(i: &'a i32) -> Result<Self, ()> {
+        //~^ ERROR: `async fn`
+        Ok(S(&22))
+    }
+}
+
+fn main() {}