{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"//"}]}
        // FIXME(edition_2024): switch back to a normal method call.
    if callsite.fn_sig.abi() == ExternAbi::RustCall && callee_body.spread_arg.is_none() {
        let mut args = <_>::into_iter(args);