%Error: t/t_inst_2star_bad.v:12:17: Duplicate .* in an instance (IEEE 1800-2023 23.3.2)
   12 |    sub sub (.*, .*);
      |                 ^~
%Error: t/t_inst_2star_bad.v:14:13: Mixing positional and .*/named instantiation connection (IEEE 1800-2023 23.3.2)
   14 |    sub sub (foo, .*);
      |             ^~~
%Error: t/t_inst_2star_bad.v:16:13: Mixing positional and .*/named instantiation connection (IEEE 1800-2023 23.3.2)
   16 |    sub sub (foo, .bar);
      |             ^~~
%Error: Exiting due to