1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/self/explicit-self-objects-uniq.rs b/src/test/ui/run-pass/self/explicit-self-objects-uniq.rs
new file mode 100644
index 00000000000..bb7e612a9f2
--- /dev/null
+++ b/src/test/ui/run-pass/self/explicit-self-objects-uniq.rs
@@ -0,0 +1,31 @@
+// Copyright 2012 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(box_syntax)]
+
+trait Foo {
+    fn f(self: Box<Self>);
+}
+
+struct S {
+    x: isize
+}
+
+impl Foo for S {
+    fn f(self: Box<S>) {
+        assert_eq!(self.x, 3);
+    }
+}
+
+pub fn main() {
+    let x = box S { x: 3 };
+    let y = x as Box<Foo>;
+    y.f();
+}