%Error: t/t_class_unsup_bad.v:7:1: Unsupported: virtual interface
    7 | virtual interface vi_t vi;
      | ^~~~~~~
%Error: t/t_class_unsup_bad.v:8:1: Unsupported: virtual data type
    8 | virtual vi_t vi2;
      | ^~~~~~~
%Error: t/t_class_unsup_bad.v:14:26: Unsupported: class parameters
   14 |    localparam LOCPAR = 10;
      |                          ^
%Error: t/t_class_unsup_bad.v:25:4: Unsupported: virtual class member qualifier
   25 |    virtual function void func_virtual; endfunction
      |    ^~~~~~~
%Error: t/t_class_unsup_bad.v:26:4: Unsupported: pure virtual class method
   26 |    pure virtual function void func_pure_virtual;
      |    ^~~~
%Error: t/t_class_unsup_bad.v:27:4: Unsupported: automatic class member qualifier
   27 |    automatic function void func_automatic; endfunction
      |    ^~~~~~~~~
%Error: t/t_class_unsup_bad.v:28:4: Unsupported: const class member qualifier
   28 |    const function void func_const; endfunction
      |    ^~~~~
%Error: t/t_class_unsup_bad.v:29:4: Unsupported: extern class method prototype
   29 |    extern task exttask;
      |    ^~~~~~
%Error: t/t_class_unsup_bad.v:32:1: Unsupported: virtual classes
   32 | virtual class VC;
      | ^~~~~~~
%Error: Exiting due to