%Error: t/t_class_copy_bad.v:19:16: New-as-copier passed different data type 'CLASSREFDTYPE 'Cls'' than expected 'CLASSREFDTYPE 'Other''
                                  : ... note: In instance 't'
   19 |       c1 = new co;   
      |                ^~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: Exiting due to