{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":".unwrap_or_else(||"}]}
        .unwrap_or_else(|| bug!("typeid_for_instance: invalid option(s) `{:?}`", options.bits()));
    let transform_ty_options = TransformTyOptions::from_bits(options.bits())
    let instance = transform_instance(tcx, instance, transform_ty_options);