%Error: t/t_for_comma_bad.v:14:16: Unsupported: for loop step after the first comma
   14 |       for (; ; a=a+1, b=b+1) ;
      |                ^
%Error: t/t_for_comma_bad.v:17:19: Unsupported: for loop step after the first comma
   17 |       for (; a<1; a=a+1, b=b+1) ;
      |                   ^
%Error: t/t_for_comma_bad.v:20:22: Unsupported: for loop step after the first comma
   20 |       for (a=0; a<1; a=a+1, b=b+1) ;
      |                      ^
%Error: t/t_for_comma_bad.v:23:30: Unsupported: for loop step after the first comma
   23 |       for (integer a=0; a<1; a=a+1, b=b+1) ;
      |                              ^
%Error: t/t_for_comma_bad.v:26:34: Unsupported: for loop step after the first comma
   26 |       for (var integer a=0; a<1; a=a+1, b=b+1) ;
      |                                  ^
%Error: t/t_for_comma_bad.v:27:23: Unsupported: for loop initialization after the first comma
   27 |       for (integer a=0, integer b=0; a<1; ) ;
      |                       ^
%Error: t/t_for_comma_bad.v:28:23: Unsupported: for loop initialization after the first comma
   28 |       for (integer a=0, integer b=0; a<1; a=a+1) ;
      |                       ^
%Error: t/t_for_comma_bad.v:29:23: Unsupported: for loop initialization after the first comma
   29 |       for (integer a=0, integer b=0; a<1; a=a+1, b=b+1) ;
      |                       ^
%Error: t/t_for_comma_bad.v:29:43: Unsupported: for loop step after the first comma
   29 |       for (integer a=0, integer b=0; a<1; a=a+1, b=b+1) ;
      |                                           ^
%Error: Exiting due to