%Error: t/t_enum_x_bad.v:9:21: Enum value with X/Zs cannot be assigned to non-fourstate type (IEEE 1800-2017 6.19)
                             : ... In instance t
    9 |    enum bit [1:0] { BADX = 2'b1x } BAD1;
      |                     ^~~~
%Error: t/t_enum_x_bad.v:12:23: Enum value that is unassigned cannot follow value with X/Zs (IEEE 1800-2017 6.19)
                              : ... In instance t
   12 |                       e1
      |                       ^~
%Error: Exiting due to
