From d8ddef0de33765c3f86672f20b06b9351763d287 Mon Sep 17 00:00:00 2001
From: Martin Thoresen <martinhath@gmail.com>
Date: Mon, 3 Oct 2016 14:46:21 +0200
Subject: [PATCH] Add test for Issue #21837

---
 src/test/compile-fail/issue-21837.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/test/compile-fail/issue-21837.rs

diff --git a/src/test/compile-fail/issue-21837.rs b/src/test/compile-fail/issue-21837.rs
new file mode 100644
index 0000000000000..86506de1ea9c5
--- /dev/null
+++ b/src/test/compile-fail/issue-21837.rs
@@ -0,0 +1,20 @@
+// 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.
+
+pub trait Bound {}
+pub struct Foo<T: Bound>(T);
+
+pub trait Trait1 {}
+impl<T: Bound> Trait1 for Foo<T> {}
+
+pub trait Trait2 {}
+impl<T> Trait2 for Foo<T> {} //~ ERROR the trait bound `T: Bound` is not satisfied
+
+fn main() {}