[Bug jit/68370] Pointer arithmetic in libgccjit seems to require an extra cast

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68370

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
//   text++;

Can't this be computed as:
text = text POINTER_PLUS 1;

?