%Error: t/t_inst_noname_bad.v:8:3: Instance of module must be named
    8 |   m();
      |   ^
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: t/t_inst_noname_bad.v:9:3: Instance of module must be named
    9 |   m();
      |   ^
%Error: Exiting due to