%Error: t/t_pp_underline_bad.v:8:4: Extra underscore in meta-comment; use /*verilator {...}*/ not /*verilator_{...}*/
    8 |    // verilator_no_inline_module
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
%Error: t/t_pp_underline_bad.v:10:19: Extra underscore in meta-comment; use /*synopsys {...}*/ not /*synopsys_{...}*/
   10 |       case (1'b1) // synopsys_full_case
      |                   ^~~~~~~~~~~~~~~~~~~~~
%Error: t/t_pp_underline_bad.v:8:4: Unknown verilator comment: '/*verilator _no_inline_module*/'
    8 |    /*verilator _no_inline_module*/ 
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
%Error: Exiting due to