src/test/ui/consts/const-eval/no_lint_for_statically_known_error.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.

// compile-pass

// if `X` were used instead of `x`, `X - 10` would result in a lint.
// This file should never produce a lint, no matter how the const
// propagator is improved.

#![deny(warnings)]

const X: u32 = 5;

fn main() {
    let x = X;
    if x > 10 {
        println!("{}", x - 10);
    } else {
        println!("{}", 10 - x);
    }
}