+// 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.
+
+#![feature(associated_types)]
+
+trait From<Src> {
+ type Output;
+
+ fn from(src: Src) -> <Self as From<Src>>::Output;
+}
+
+trait To {
+ // This is a typo, the return type should be `<Dst as From<Self>>::Output`
+ fn to<Dst: From<Self>>(self) -> <Dst as From<Self>>::Dst {
+ //~ error: the trait `core::kinds::Sized` is not implemented
+ From::from(self)
+ }
+}
+
+fn main() {}