[Bug other/124784] regenerate-opt-urls.py doesn't handle options starting with two dashes

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124784

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is what happens when you have two different languages in processing the
same file :).
Plus python is so much harder to understand than awk (sorry python folks).