%Error-ENUMVALUE: t/t_enum_type_bad.v:28:11: Implicit conversion to enum 't.e_t' from 'logic[31:0]' (IEEE 1800-2017 6.19.3)
                                           : ... In instance t
                                          : ... Suggest use enum's mnemonic, or static cast
   28 |       e = 1;   
      |           ^
                  ... For error description see https://verilator.org/warn/ENUMVALUE?v=latest
%Error-ENUMVALUE: t/t_enum_type_bad.v:29:11: Implicit conversion to enum 't.o_t' from 't.e_t' (IEEE 1800-2017 6.19.3)
                                           : ... In instance t
                                          : ... Suggest use enum's mnemonic, or static cast
   29 |       o = e;   
      |           ^
%Error-ENUMVALUE: t/t_enum_type_bad.v:35:15: Implicit conversion to enum 't.o_t' from 'ENUMDTYPE 't.e_t'' (IEEE 1800-2017 6.19.3)
                                           : ... In instance t
                                          : ... Suggest use enum's mnemonic, or static cast
   35 |       o = str.m_e;   
      |               ^~~
%Error: Exiting due to
