Function rustc_trait_selection::traits::object_safety_violations_for_assoc_item

pub fn object_safety_violations_for_assoc_item(
    tcx: TyCtxt<'_>,
    trait_def_id: DefId,
    item: AssocItem,
) -> Vec<ObjectSafetyViolation>

Returns Some(_) if this item makes the containing trait not object safe.