Constant rustc_builtin_macros::cfg::_DERIVE_rustc_session_SessionDiagnostic_session_diagnostic_sess_rustc_errors_ErrorGuaranteed_FOR_RequiresCfgPattern

const _DERIVE_rustc_session_SessionDiagnostic_session_diagnostic_sess_rustc_errors_ErrorGuaranteed_FOR_RequiresCfgPattern: ();