fn own_existential_vtable_entries<'tcx>(
tcx: TyCtxt<'tcx>,
trait_ref: PolyExistentialTraitRef<'tcx>
) -> &'tcx [DefId]
fn own_existential_vtable_entries<'tcx>(
tcx: TyCtxt<'tcx>,
trait_ref: PolyExistentialTraitRef<'tcx>
) -> &'tcx [DefId]