[Bug driver/81345] -Wall resets default option arguments to 1

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81345

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>LangEnabledBy(C ObjC C++ ObjC++, Wall)

Just says -Wall sets that variable to 1.  You might need to expand the awk
script to allow for an optional constant for the value you want.