%Error: t/t_class_param_circ_bad.v:14:4: Exceeded maximum --module-recursion-depth of 100
                                       : ... note: In instance 't'
   14 |    ClsA #(PARAM+1) a;
      |    ^~~~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: Internal Error: ../V3Param.cpp:#: should find just-made module
                        ... This fatal error may be caused by the earlier error(s); resolve those first.