From 4f3f55cc667fd78bf075a06085e02988d1341a51 Mon Sep 17 00:00:00 2001
From: Andrew Paseltiner <apaseltiner@gmail.com>
Date: Fri, 28 Aug 2015 12:54:17 -0400
Subject: [PATCH] add test for #20803

closes #20803
---
 src/test/run-pass/issue-20803.rs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/test/run-pass/issue-20803.rs

diff --git a/src/test/run-pass/issue-20803.rs b/src/test/run-pass/issue-20803.rs
new file mode 100644
index 00000000000..2c00510ba97
--- /dev/null
+++ b/src/test/run-pass/issue-20803.rs
@@ -0,0 +1,19 @@
+// 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.
+
+use std::ops::Add;
+
+fn foo<T>(x: T) -> <i32 as Add<T>>::Output where i32: Add<T> {
+    42i32 + x
+}
+
+fn main() {
+    println!("{}", foo(0i32));
+}