Constant rustc_errors::TRACK_DIAGNOSTICS[]

pub const TRACK_DIAGNOSTICS: LocalKey<Cell<fn(_: &Diagnostic)>> = {
    #[inline]
    fn __init() -> Cell<fn(: &Diagnostic)> { loop  { } }
    unsafe fn __getit()
     ->
         ::option::Option<&'static ::cell::UnsafeCell<::option::Option<Cell<fn(:
                                                                                   &Diagnostic)>>>> {
                                                                                                        loop 
                                                                                                             {
                                                                                                        }
                                                                                                    }
    unsafe { <::thread::LocalKey>::new(__getit, __init) }
}