rust/src/test/compile-fail/issue-18107.rs

// 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.

use std::marker::MarkerTrait;

pub trait AbstractRenderer : MarkerTrait {}

fn _create_render(_: &()) ->
    AbstractRenderer
//~^ ERROR: the trait `core::marker::Sized` is not implemented
{
    match 0 {
        _ => unimplemented!()
    }
}

fn main() {
}