%Error: t/t_enum_overlap_bad.v:12:11: Overlapping enumeration value: 'e1b'
                                    : ... In instance t
   12 |           e1b=1
      |           ^~~
        t/t_enum_overlap_bad.v:10:11: ... Location of original declaration
   10 |           e1,
      |           ^~
%Error: Exiting due to