[Bug c++/61412] Warnings incorrectly suppressed when compiling previously preprocessed file

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61412

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Matt Godbolt from comment #0)
> Does not happen with GCC 4.7.2.

Are you sure?