%Warning-PINMISSING: t/t_lint_pindup_bad.v:19:4: Cell has missing pin: 'exists'
   sub (.o(o),
   ^~~
                     ... Use "/* verilator lint_off PINMISSING */" and lint_on around source to disable this message.
%Error: t/t_lint_pindup_bad.v:21:10: Duplicate pin connection: 'i'
        .i(i2),   
         ^
        t/t_lint_pindup_bad.v:20:10: ... Location of original pin connection
        .i(i),
         ^
%Error: t/t_lint_pindup_bad.v:22:10: Pin not found: 'nexist'
                                   : ... Suggested alternative: 'exists'
        .nexist(i2)   
         ^~~~~~
%Error: t/t_lint_pindup_bad.v:16:9: Parameter pin not found: 'NEXIST'
                                  : ... Suggested alternative: 'EXIST'
       .NEXIST(1),   
        ^~~~~~
%Error: t/t_lint_pindup_bad.v:17:9: Duplicate parameter pin connection: 'P'
       .P(2),
        ^
        t/t_lint_pindup_bad.v:15:8: ... Location of original parameter pin connection
     #(,   
       ^
%Error: t/t_lint_pindup_bad.v:18:9: Duplicate parameter pin connection: 'P'
       .P(3))   
        ^
        t/t_lint_pindup_bad.v:15:8: ... Location of original parameter pin connection
     #(,   
       ^
%Error: Exiting due to