missing_docs lint triggers on all declarative macros 2.0

[jethrogb]

#![feature(decl_macro)]
#![deny(missing_docs)]
#![allow(unused)]
//! my crate

mod m {
    macro a { () => {} }
    pub(crate) macro b { () => {} }
    pub macro c { () => {} }
    macro_rules! r { () => {} }
    pub fn f() {}
}

error: missing documentation for macro
 --> m.rs:7:5
  |
7 |     macro a { () => {} }
  |     ^^^^^^^
  |
note: lint level defined here
 --> m.rs:2:9
  |
2 | #![deny(missing_docs)]
  |         ^^^^^^^^^^^^

error: missing documentation for macro
 --> m.rs:8:5
  |
8 |     pub(crate) macro b { () => {} }
  |     ^^^^^^^^^^^^^^^^^^

error: missing documentation for macro
 --> m.rs:9:5
  |
9 |     pub macro c { () => {} }
  |     ^^^^^^^^^^^

Note there is no error for r or f.

[GuillaumeGomez]

That's interesting. A bad check very certainly on wether something is publically viewable or not.

[inquisitivecrystal]

Going to see if I can figure this out.

@rustbot claim
@rustbot label C-bug T-compiler

[inquisitivecrystal]

I have what I think is a solution implemented, but still need to do final testing. Fingers crossed.