rust/src/test/parse-fail/removed-syntax-uniq-mut-expr.rs

// Copyright 2013 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-flags: -Z parse-only

fn f() {
    let a_box = box mut 42;
    //~^  ERROR expected identifier, found keyword `mut`
    //~^^ ERROR expected one of `!`, `.`, `::`, `;`, `?`, `{`, or an operator, found `42`
}