%Error-UNSUPPORTED: t/t_dynarray_bits.v:12:11: Unsupported: $bits for dynamic array
                                             : ... note: In instance 't'
   12 |       if ($bits(a) != 0) $stop;
      |           ^~~~~
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error: Internal Error: t/t_dynarray_bits.v:12:20: ../V3Width.cpp:#: Node has no type
                                                 : ... note: In instance 't'
   12 |       if ($bits(a) != 0) $stop;
      |                    ^~
                        ... See the manual at https://verilator.org/verilator_doc.html for more assistance.