[Bug c/89072] -Wall -Werror should be defaults

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89072

--- Comment #13 from Segher Boessenkool <segher at gcc dot gnu.org> ---
I always have -Wmissing-declarations -Wformat=2 , for some reason those aren't
in
-Wall, not even in -W .  Crazy if you ask me :-)