rust/src/test/ui/run-pass/issues/issue-37991.rs

// Copyright 2016 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(min_const_fn)]

const fn foo() -> i64 {
    3
}

const fn bar(x: i64) -> i64 {
    x*2
}

fn main() {
    let val = &(foo() % 2);
    assert_eq!(*val, 1);

    let val2 = &(bar(1+1) % 3);
    assert_eq!(*val2, 1);
}