[Bug c++/118921] C++ frontend does not update CPP defined on GCC pragma optimize

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118921

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So `#pragma GCC target` was fixed but `#pragma GCC option` was not.  See PR
87299. Looks like it might be an easy fix ...