[Bug preprocessor/108244] [13 Regression] `pragma GCC diagnostic` and -E -fdirectives-only causes the preprocessor to become confused

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108244

--- Comment #8 from Lewis Hyatt <lhyatt at gcc dot gnu.org> ---
Here is the patch:
https://gcc.gnu.org/pipermail/gcc-patches/2022-December/609275.html