-// 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
-#![feature(impl_header_lifetime_elision)]
-//~^ WARN the feature `impl_header_lifetime_elision` is included in the Rust 2018 edition
+// This is a stub feature that doesn't control anything, so to make tidy happy,
+// gate-test-test_2018_feature
+
+#![feature(test_2018_feature)]
+//~^ WARN the feature `test_2018_feature` is included in the Rust 2018 edition
#![feature(rust_2018_preview)]
fn main() {}