{"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"Ok(LitKind::Err(guar))"}]}
        Ok(LitKind::Err(guar)) => guar,
        Ok(LitKind::ByteStr(..) | LitKind::Byte(_)) => unreachable!(),
        Err(err) => report_lit_error(&cx.sess.psess, err, token_lit, span),