| //@ compile-flags: --crate-type lib | |
| #![feature(rustc_attrs)] | |
| #![feature(staged_api)] | |
| #![unstable(feature = "foo_module", reason = "...", issue = "123")] | |
| #[rustc_allowed_through_unstable_modules = "use stable path instead"] | |
| // #[stable(feature = "foo", since = "1.0")] | |
| struct Foo; | |
| //~^ ERROR `rustc_allowed_through_unstable_modules` attribute must be paired with a `stable` attribute |