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      %Warning-PINNOCONNECT: t/t_inst_missing_bad.v:13:17: Instance pin is not connected: '__pinNumber2'
   13 |    sub sub (ok, , nc);
      |                 ^
                       ... For warning description see https://verilator.org/warn/PINNOCONNECT?v=latest
                       ... Use "/* verilator lint_off PINNOCONNECT */" and lint_on around source to disable this message.
%Warning-PINMISSING: t/t_inst_missing_bad.v:13:8: Instance has missing pin: 'missing'
   13 |    sub sub (ok, , nc);
      |        ^~~
                     t/t_inst_missing_bad.v:16:51: ... Location of port declaration
   16 | module sub (input ok, input none, input nc, input missing);
      |                                                   ^~~~~~~
                     ... For warning description see https://verilator.org/warn/PINMISSING?v=latest
                     ... Use "/* verilator lint_off PINMISSING */" and lint_on around source to disable this message.
%Error: Exiting due to
 
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