Added tests.

src/test/run-pass/self-in-typedefs.rs

@@ -0,0 +1,40 @@
+// Copyright 2018 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.
+
+#![feature(self_in_typedefs)]
+#![feature(untagged_unions)]
+
+#![allow(dead_code)]
+
+enum A<'a, T: 'a>
+where
+    Self: Send, T: PartialEq<Self>
+{
+    Foo(&'a Self),
+    Bar(T),
+}
+
+struct B<'a, T: 'a>
+where
+    Self: Send, T: PartialEq<Self>
+{
+    foo: &'a Self,
+    bar: T,
+}
+
+union C<'a, T: 'a>
+where
+    Self: Send, T: PartialEq<Self>
+{
+    foo: &'a Self,
+    bar: T,
+}
+
+fn main() {}