{"ast_node_type":"other","tokens":[{"end":3,"kind":"keyword","start":0,"text":")"}]}
) {
    f: impl FnOnce(&mut FunctionCx<'_, '_, 'tcx>, Option<Value>) -> SmallVec<[Value; 2]>,
    let (ret_temp_place, return_ptr) = match ret_arg_abi.mode {