// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(rustc_attrs)] trait Foo { } #[rustc_dump_program_clauses] //~ ERROR Implemented(T: Foo) :- impl Foo for T where T: Iterator { } fn main() { println!("hello"); }