%Error: t/t_flag_structs_packed.v:14:19: Unpacked data type 'STRUCTDTYPE 'x.notpacked_t'' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance x
   14 |       notpacked_t b;
      |                   ^
%Error: Exiting due to
