%Error: t/t_struct_contents_bad.v:20:19: Unpacked data type 'real' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance t
   20 |       real        r;   
      |                   ^
%Error: t/t_struct_contents_bad.v:22:19: Unpacked data type 'real' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance t
   22 |       shortreal   sr;  
      |                   ^~
%Error: t/t_struct_contents_bad.v:23:19: Unpacked data type 'real' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance t
   23 |       realtime    rt;  
      |                   ^~
%Error: t/t_struct_contents_bad.v:24:19: Unpacked data type 'chandle' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance t
   24 |       chandle     ch;  
      |                   ^~
%Error: t/t_struct_contents_bad.v:25:19: Unpacked data type 'string' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance t
   25 |       string      s;  
      |                   ^
%Error: t/t_struct_contents_bad.v:26:19: Unpacked data type 'event' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance t
   26 |       event       e;  
      |                   ^
%Error: t/t_struct_contents_bad.v:27:25: Unpacked data type 'STRUCTDTYPE 't.struct_unpacked_t'' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance t
   27 |       struct_unpacked_t sp;   
      |                         ^~
%Error: t/t_struct_contents_bad.v:28:24: Unpacked data type 'UNIONDTYPE 't.union_unpacked_t'' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance t
   28 |       union_unpacked_t up;    
      |                        ^~
%Error: t/t_struct_contents_bad.v:29:11: Unpacked data type 'int$[0:1]' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance t
   29 |       int uarray[2];    
      |           ^~~~~~
%Error: t/t_struct_contents_bad.v:30:11: Unpacked data type 'CLASSREFDTYPE 'Cls'' in packed struct/union (IEEE 1800-2017 7.2.1)
                                       : ... In instance t
   30 |       Cls c;   
      |           ^
%Error: Exiting due to