--- /dev/null
+// 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(rustc_attrs)]
+
+#[rustc_dump_program_clauses] //~ ERROR Implemented(Self: Foo<S, T, U>) :-
+trait Foo<S, T, U> {
+ fn s(S) -> S;
+ fn t(T) -> T;
+ fn u(U) -> U;
+}
+
+fn main() {
+ println!("hello");
+}
--- /dev/null
+error: Implemented(Self: Foo<S, T, U>) :- FromEnv(Self: Foo<S, T, U>).
+ --> $DIR/lower_trait.rs:13:1
+ |
+LL | #[rustc_dump_program_clauses] //~ ERROR Implemented(Self: Foo<S, T, U>) :-
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+