%Error: t/t_inst_nansi_mism_bad.v:13:10: Non-ANSI I/O declaration of signal conflicts with type declaration: 'bad1'
   13 |   output [15:0] bad1;
      |          ^
        t/t_inst_nansi_mism_bad.v:14:3: ... Location of other declaration
   14 |   shortint bad1;   
      |   ^~~~~~~~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: t/t_inst_nansi_mism_bad.v:16:10: Non-ANSI I/O declaration of signal conflicts with type declaration: 'bad2'
   16 |   output [31:0] bad2;
      |          ^
        t/t_inst_nansi_mism_bad.v:17:3: ... Location of other declaration
   17 |   T bad2;   
      |   ^
%Error: t/t_inst_nansi_mism_bad.v:19:10: Non-ANSI I/O declaration of signal conflicts with type declaration: 'bad3'
   19 |   output [3:0] bad3;
      |          ^
        t/t_inst_nansi_mism_bad.v:20:3: ... Location of other declaration
   20 |   reg [7:0] bad3;   
      |   ^~~
%Error: t/t_inst_nansi_mism_bad.v:22:3: Non-ANSI I/O declaration of signal conflicts with type declaration: 'bad4'
   22 |   reg [7:0] bad4;   
      |   ^~~
        t/t_inst_nansi_mism_bad.v:23:10: ... Location of other declaration
   23 |   output [3:0] bad4;
      |          ^
%Error: Exiting due to