Function apply_vcall_visibility_metadata

pub(crate) fn apply_vcall_visibility_metadata<'ll, 'tcx>(
    cx: &GenericCx<'ll, FullCx<'ll, 'tcx>>,
    ty: Ty<'tcx>,
    trait_ref: Option<ExistentialTraitRef<'tcx>>,
    vtable: &'ll Value,
)