%Warning-COVERIGN: t/t_covergroup_embedded_unsup.v:27:34: Unsupported: 'covergroup' coverpoint referencing enclosing class member; ignoring covergroup '__vlAnonCG_cov_trans'
                                                        : ... note: In instance 't'
   27 |     trans_start_addr: coverpoint trans_collected.addr {option.auto_bin_max = 16;}
      |                                  ^~~~~~~~~~~~~~~
                   ... For warning description see https://verilator.org/warn/COVERIGN?v=latest
                   ... Use "/* verilator lint_off COVERIGN */" and lint_on around source to disable this message.
%Error: Exiting due to