[Bug preprocessor/78657] Using macro with _Pragma gives error: '#pragma' is not allowed here

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78657

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This does seem like a dup of either PR 70811 or PR 60875