%Error-UNSUPPORTED: t/t_eq_wild_unsup.v:13:13: Unsupported: RHS of ==? or !=? is fourstate but not a constant
                                             : ... note: In instance 't'
   13 |       if (1 ==? get_x_or_0(0)) $stop;
      |             ^~~
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error: Exiting due to