[Bug c++/91318] [C++][PATCH] warnings about unused internal macros with -Wunused-macros and #pragma GCC optimize

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91318

--- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Piotr Henryk Dabrowski from comment #3)
> Sent:
> https://gcc.gnu.org/ml/gcc-patches/2019-08/msg00325.html

Sorry that it doesn't seem to have been reviewed yet; please ping it
occasionally!