src/test/ui/const-eval/ref_to_int_match.rs

// Copyright 2017 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(const_fn_union)]

fn main() {
    let n: Int = 40;
    match n {
        0..=10 => {},
        10..=BAR => {}, //~ ERROR lower range bound must be less than or equal to upper
        _ => {},
    }
}

union Foo {
    f: Int,
    r: &'static u32,
}

#[cfg(target_pointer_width="64")]
type Int = u64;

#[cfg(target_pointer_width="32")]
type Int = u32;

const BAR: Int = unsafe { Foo { r: &42 }.f };