[Bug preprocessor/61371] cpp: Implement -fno-date-time/-freproducible-dates or similar

[manu at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61371

--- Comment #4 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
Also, there was this patch, but I am not sure it was ever committed:

https://gcc.gnu.org/ml/gcc-patches/2008-07/msg02321.html