%Warning-WIDTH: t/t_lint_width_bad.v:16: Operator VAR 'XS' expects 4 bits on the Initial value, but Initial value's CONST '?32?bxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' generates 32 bits.
                                       : ... In instance t
   localparam [3:0]     XS = 'hx;   
                        ^~
                ... Use "/* verilator lint_off WIDTH */" and lint_on around source to disable this message.
%Warning-WIDTH: t/t_lint_width_bad.v:38: Operator ASSIGNW expects 5 bits on the Assign RHS, but Assign RHS's VARREF 'in' generates 4 bits.
                                       : ... In instance t.p4
   wire [4:0] out = in;
                  ^
%Warning-WIDTH: t/t_lint_width_bad.v:20: Operator SHIFTL expects 5 bits on the LHS, but LHS's CONST '1'h1' generates 1 bits.
                                       : ... In instance t
   wire [4:0] d = (1'b1 << 2) + 5'b1;   
                        ^~
%Warning-WIDTH: t/t_lint_width_bad.v:26: Operator ASSIGNW expects 6 bits on the Assign RHS, but Assign RHS's SHIFTL generates 7 bits.
                                       : ... In instance t
   wire [WIDTH-1:0]     masked = (({{(WIDTH){1'b0}}, one_bit}) << shifter);
                               ^
%Warning-WIDTH: t/t_lint_width_bad.v:31: Operator ADD expects 3 bits on the LHS, but LHS's VARREF 'one' generates 1 bits.
                                       : ... In instance t
   wire [2:0]           cnt  = (one + one + one + one);
                                    ^
%Warning-WIDTH: t/t_lint_width_bad.v:31: Operator ADD expects 3 bits on the RHS, but RHS's VARREF 'one' generates 1 bits.
                                       : ... In instance t
   wire [2:0]           cnt  = (one + one + one + one);
                                    ^
%Warning-WIDTH: t/t_lint_width_bad.v:31: Operator ADD expects 3 bits on the RHS, but RHS's VARREF 'one' generates 1 bits.
                                       : ... In instance t
   wire [2:0]           cnt  = (one + one + one + one);
                                          ^
%Warning-WIDTH: t/t_lint_width_bad.v:31: Operator ADD expects 3 bits on the RHS, but RHS's VARREF 'one' generates 1 bits.
                                       : ... In instance t
   wire [2:0]           cnt  = (one + one + one + one);
                                                ^
%Error: Exiting due to