src/test/ui/editions/edition-keywords-2018-2018-expansion.rs

// edition:2018
// aux-build:edition-kw-macro-2018.rs

#[macro_use]
extern crate edition_kw_macro_2018;

mod one_async {
    produces_async! {} //~ ERROR expected identifier, found reserved keyword `async`
}
mod two_async {
    produces_async_raw! {} // OK
}

fn main() {}