--- /dev/null
+// 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.
+
+// Check that we get an error when you use `<Self as Get>::Value` in
+// the trait definition even if there is no default method.
+
+trait Get {
+ type Value;
+}
+
+trait Other {
+ fn okay<U:Get>(&self, foo: U, bar: <Self as Get>::Value);
+ //~^ ERROR E0277
+}
+
+impl Get for () {
+ type Value = f32;
+}
+
+impl Get for f64 {
+ type Value = u32;
+}
+
+impl Other for () {
+ fn okay<U:Get>(&self, _foo: U, _bar: <Self as Get>::Value) { }
+}
+
+impl Other for f64 {
+ fn okay<U:Get>(&self, _foo: U, _bar: <Self as Get>::Value) { }
+}
+
+fn main() { }