//@ check-pass //@ aux-build:test-macros.rs #[macro_use(Empty)] extern crate test_macros; use self::one::*; use self::two::*; mod empty_helper {} mod one { use empty_helper; #[derive(Empty)] #[empty_helper] struct One; } mod two { use empty_helper; #[derive(Empty)] #[empty_helper] struct Two; } fn main() {}