From b684826cab859cc6e16419de448f99a47ce2f8f2 Mon Sep 17 00:00:00 2001
From: Andrew Paseltiner <apaseltiner@gmail.com>
Date: Sun, 19 Jul 2015 15:39:26 -0400
Subject: [PATCH] add test for #20162

closes #20162
---
 src/test/compile-fail/issue-20162.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/test/compile-fail/issue-20162.rs

diff --git a/src/test/compile-fail/issue-20162.rs b/src/test/compile-fail/issue-20162.rs
new file mode 100644
index 0000000000000..d3a87689ac5e1
--- /dev/null
+++ b/src/test/compile-fail/issue-20162.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.
+
+struct X { x: i32 }
+
+fn main() {
+    let mut b: Vec<X> = vec![];
+    b.sort();
+    //~^ ERROR the trait `core::cmp::Ord` is not implemented for the type `X`
+}