%Error-UNSUPPORTED: t/t_interface_typedef.v:46:4: Unsupported: SystemVerilog 2005 typedef in this context
   46 |    typedef ifc_if.struct_t struct_t;
      |    ^~~~~~~
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error: t/t_interface_typedef.v:51:16: syntax error, unexpected IDENTIFIER
   51 |       struct_t substruct;
      |                ^~~~~~~~~
%Error: Exiting due to
