%Warning-REDEFMACRO: t/t_pp_dupdef.v:11:20: Redefining existing define: 'DUP', with different value: barney
                     ... Use "/* verilator lint_off REDEFMACRO */" and lint_on around source to disable this message.
%Warning-REDEFMACRO: t/t_pp_dupdef.v:11:20: Previous definition is here, with value: fred
%Warning-REDEFMACRO: t/t_pp_dupdef.v:14:33: Redefining existing define: 'DUPP', with different value: paramed(x,z) (x*z)
%Warning-REDEFMACRO: t/t_pp_dupdef.v:14:33: Previous definition is here, with value: paramed(x) (x)
%Error: Exiting due to