%Error-UNSUPPORTED: t/t_wait_order.v:19:21: Unsupported: wait_order
   19 |     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:28:21: Unsupported: wait_order
   28 |     wait_order (a, b) else welse[1] = '1;
      |                     ^
%Error-UNSUPPORTED: t/t_wait_order.v:31:21: Unsupported: wait_order
   31 |     wait_order (b, a) else nelse[1] = '1;
      |                     ^
%Error-UNSUPPORTED: t/t_wait_order.v:35:21: Unsupported: wait_order
   35 |     wait_order (a, b) wif[2] = '1; else welse[2] = '1;
      |                     ^
%Error-UNSUPPORTED: t/t_wait_order.v:38:21: Unsupported: wait_order
   38 |     wait_order (b, a) nif[2] = '1; else nelse[2] = '1;
      |                     ^
%Error: Exiting due to