From 885d7de97534cc56941c3cee33fd1d3f84144732 Mon Sep 17 00:00:00 2001
From: Tamir Duberstein <tamird@squareup.com>
Date: Mon, 22 Dec 2014 21:20:31 -0800
Subject: [PATCH] Regression test for #13665

Closes #13665.
---
 src/test/run-pass/issue-13665.rs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/test/run-pass/issue-13665.rs

diff --git a/src/test/run-pass/issue-13665.rs b/src/test/run-pass/issue-13665.rs
new file mode 100644
index 000000000000..5ccbe9a7980e
--- /dev/null
+++ b/src/test/run-pass/issue-13665.rs
@@ -0,0 +1,22 @@
+// Copyright 2014 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 foo<'r>() {
+  let maybe_value_ref: Option<&'r u8> = None;
+
+  let _ = maybe_value_ref.map(|& ref v| v);
+  let _ = maybe_value_ref.map(|& ref v| -> &'r u8 {v});
+  let _ = maybe_value_ref.map(|& ref v: &'r u8| -> &'r u8 {v});
+  let _ = maybe_value_ref.map(|& ref v: &'r u8| {v});
+}
+
+fn main() {
+  foo();
+}