%Error-UNSUPPORTED: t/t_wait_order.v:16:23: Unsupported: wait_order
   16 |       wait_order (a, b) wif[0] = '1;
      |                       ^
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error-UNSUPPORTED: t/t_wait_order.v:19:23: Unsupported: wait_order
   19 |       wait_order (b, a) nif[0] = '1;
      |                       ^
%Error-UNSUPPORTED: t/t_wait_order.v:23:23: Unsupported: wait_order
   23 |       wait_order (a, b) else welse[1] = '1;
      |                       ^
%Error-UNSUPPORTED: t/t_wait_order.v:26:23: Unsupported: wait_order
   26 |       wait_order (b, a) else nelse[1] = '1;
      |                       ^
%Error-UNSUPPORTED: t/t_wait_order.v:30:23: Unsupported: wait_order
   30 |       wait_order (a, b) wif[2] = '1; else welse[2] = '1;
      |                       ^
%Error-UNSUPPORTED: t/t_wait_order.v:33:23: Unsupported: wait_order
   33 |       wait_order (b, a) nif[2] = '1; else nelse[2] = '1;
      |                       ^
%Error: Exiting due to