%Warning-WIDTH: t/t_lint_repeat_bad.v:17: Operator ASSIGNW expects 1 bits on the Assign RHS, but Assign RHS's VARREF 'a' generates 2 bits.
                                        : ... In instance t.sub2
   wire [0:0] b = a;
                ^
                ... Use "/* verilator lint_off WIDTH */" and lint_on around source to disable this message.
%Error: Exiting due to
