rust/src/test/run-pass/issues/issue-34784.rs

// Copyright 2018 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.

// run-pass
const C: *const u8 = &0;

fn foo(x: *const u8) {
    match x {
        C => {}
        _ => {}
    }
}

const D: *const [u8; 4] = b"abcd";

fn main() {
    match D {
        D => {}
        _ => {}
    }
}