%Error-UNSUPPORTED: t/t_gen_defparam_bad.v:9:12: Unsupported: defparam with no dot
    9 |      id_15 = id_14;
      |            ^
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error-UNSUPPORTED: t/t_gen_defparam_bad.v:11:18: Unsupported: defparam with no dot
   11 |    defparam id_8 = 1, id_9 = 1;
      |                  ^
%Error-UNSUPPORTED: t/t_gen_defparam_bad.v:11:28: Unsupported: defparam with no dot
   11 |    defparam id_8 = 1, id_9 = 1;
      |                            ^
%Error: Exiting due to