rust/src/test/compile-fail/edition-raw-pointer-method-2018.rs

// Copyright 2012 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.

// ignore-tidy-linelength
// compile-flags: --edition=2018 -Zunstable-options

// tests that editions work with the tyvar warning-turned-error

#[deny(warnings)]
fn main() {
    let x = 0;
    let y = &x as *const _;
    let _ = y.is_null();
    //~^ error: the type of this value must be known to call a method on a raw pointer on it [E0699]
}