Function rustc_trait_selection::traits::specialize::report_conflicting_impls

pub(in traits::specialize) fn report_conflicting_impls(
    tcx: TyCtxt<'_>, 
    overlap: OverlapError, 
    impl_def_id: LocalDefId, 
    used_to_be_allowed: Option<FutureCompatOverlapErrorKind>, 
    sg: &mut Graph
)