+// 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.
+
+// revisions: a b c
+
+// aux-build:coherence_lib.rs
+
+// pretty-expanded FIXME #23616
+
+// Test that the `Pair` type reports an error if it contains type
+// parameters, even when they are covered by local types. This test
+// was originally intended to test the opposite, but the rules changed
+// with RFC 1023 and this became illegal.
+
+extern crate coherence_lib as lib;
+use lib::{Remote,Pair};
+
+pub struct Cover<T>(T);
+
+#[cfg(a)]
+impl<T> Remote for Pair<T,Cover<T>> { } //[a]~ ERROR E0210
+
+#[cfg(b)]
+impl<T> Remote for Pair<Cover<T>,T> { } //[b]~ ERROR E0210
+
+#[cfg(c)]
+impl<T,U> Remote for Pair<Cover<T>,U> { }
+//[c]~^ ERROR type parameter `T` must be used as the type parameter for some local type
+
+fn main() { }