fn report_conflicting_impls<'tcx>(
tcx: TyCtxt<'tcx>,
overlap: OverlapError<'tcx>,
impl_def_id: LocalDefId,
used_to_be_allowed: Option<FutureCompatOverlapErrorKind>,
) -> Result<(), ErrorGuaranteed>
fn report_conflicting_impls<'tcx>(
tcx: TyCtxt<'tcx>,
overlap: OverlapError<'tcx>,
impl_def_id: LocalDefId,
used_to_be_allowed: Option<FutureCompatOverlapErrorKind>,
) -> Result<(), ErrorGuaranteed>