From d393ff7c474eaf99ff00166745f971a833f8fff8 Mon Sep 17 00:00:00 2001
From: Johannes Oertel <johannes.oertel@uni-due.de>
Date: Tue, 5 May 2015 15:02:11 +0200
Subject: [PATCH] Add regression test for #20105

Closes #20105.
---
 src/test/compile-fail/issue-20105.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/test/compile-fail/issue-20105.rs

diff --git a/src/test/compile-fail/issue-20105.rs b/src/test/compile-fail/issue-20105.rs
new file mode 100644
index 0000000000000..f133a59d72297
--- /dev/null
+++ b/src/test/compile-fail/issue-20105.rs
@@ -0,0 +1,17 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn f<F, R>(_: F) where F: Fn() -> R {
+}
+
+fn main() {
+    f(|| -> ! { () });
+//~^ ERROR: computation may converge in a function marked as diverging [E0270]
+}