| //@ compile-flags: -Z unstable-options | |
| #![feature(rustc_attrs)] | |
| #[rustc_lint_diagnostics] | |
| //~^ ERROR `#[rustc_lint_diagnostics]` attribute cannot be used on structs | |
| struct Foo; | |
| impl Foo { | |
| #[rustc_lint_diagnostics(a)] | |
| //~^ ERROR malformed `rustc_lint_diagnostics` | |
| fn bar() {} | |
| } | |
| fn main() {} |