rust/src/test/compile-fail/E0194.rs

// Copyright 2016 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.

trait Foo<T> { //~ NOTE first `T` declared here
    fn do_something(&self) -> T;
    fn do_something_else<T: Clone>(&self, bar: T);
    //~^ ERROR E0194
    //~| NOTE shadows another type parameter
}

fn main() {
}