src/test/ui/proc-macro/derive-helper-vs-legacy.rs

   1 // check-pass
   2 // aux-build:test-macros.rs
   3
   4 #[macro_use]
   5 extern crate test_macros;
   6
   7 #[derive(Empty)]
   8 #[empty_helper] // OK, this is both derive helper and legacy derive helper
   9 #[derive(Empty)]
  10 struct S;
  11
  12 fn main() {}