%Error: t/t_class_vparam_unsup.v:12:1: Unsupported: virtual classes
   12 | virtual class vclass #(type CTYPE_t = arg_class_t);
      | ^~~~~~~
%Error: t/t_class_vparam_unsup.v:13:58: Unsupported: Parameter classes
   13 |    pure virtual function void funcname(paramed_class_t #(CTYPE_t) v);
      |                                                          ^~~~~~~
%Error: t/t_class_vparam_unsup.v:13:4: Unsupported: pure virtual class method
   13 |    pure virtual function void funcname(paramed_class_t #(CTYPE_t) v);
      |    ^~~~
%Error: Exiting due to