| // Regression test for issue #64803 (initial attribute resolution can disappear later). |
| |
| //@ aux-build:test-macros.rs |
| |
| #[macro_use] |
| extern crate test_macros; |
| |
| mod m { |
| use test_macros::Empty; |
| } |
| use m::Empty; //~ ERROR derive macro import `Empty` is private |
| |
| // To resolve `empty_helper` we need to resolve `Empty`. |
| // During initial resolution `use m::Empty` introduces no entries, so we proceed to `macro_use`, |
| // successfully resolve `Empty` from there, and then resolve `empty_helper` as its helper. |
| // During validation `use m::Empty` introduces a `Res::Err` stub, so `Empty` resolves to it, |
| // and `empty_helper` can no longer be resolved. |
| #[empty_helper] //~ ERROR cannot find attribute `empty_helper` in this scope |
| #[derive(Empty)] |
| struct S; |
| |
| fn main() {} |
