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Edition-gated keywords #49611

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Add compile fail test for async on Rust 2018
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Manishearth committed Apr 10, 2018
commit 658840f8e539c729441401e3eca6989815707cac
18 changes: 18 additions & 0 deletions src/test/compile-fail/edition-kw.rs
Original file line number Diff line number Diff line change
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// 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-flags: -Zedition=2018 -Zunstable-options

#![allow(unused)]

pub fn main() {
let async = 1;
//~^ ERROR expected pattern, found reserved keyword `async`
}