rust/src/test/run-pass/issue-20676.rs

// 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.

// Regression test for #20676. Error was that we didn't support
// UFCS-style calls to a method in `Trait` where `Self` was bound to a
// trait object of type `Trait`. See also `ufcs-trait-object.rs`.


use std::fmt;

fn main() {
    let a: &fmt::Debug = &1;
    format!("{:?}", a);
}