[Bug c++/121574] [modules] Allow suppressing errors about exposures of TU-local entities

[shyeyian at petalmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121574

--- Comment #7 from shyeyian <shyeyian at petalmail dot com> ---
Thank you sincerely for implementing the feature! :)