rust/src/test/compile-fail/issue-27033.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.

fn main() {
    match Some(1) {
        None @ _ => {} //~ ERROR match bindings cannot shadow variants
    };
    const C: u8 = 1;
    match 1 {
        C @ 2 => { //~ ERROR match bindings cannot shadow constant
            println!("{}", C);
        }
        _ => {}
    };
}