rust/src/test/run-pass/issue22346.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.

#![feature(core)]

// This used to cause an ICE because the retslot for the "return" had the wrong type
fn testcase<'a>() -> Box<Iterator<Item=usize> + 'a> {
    return Box::new((0..3).map(|i| { return i; }));
}

fn main() {
}