[Bug ipa/117813] [14 Regression] GCC14 + -fsanitize=undefined + -Os + recursive_directory_iterator results in undefined reference

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117813

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #3)
> I don't know what the C4 constructor is for, but we should probably export
> it.

So C4/C5 are internal and should always be inlined I think So maybe this is a
C++ front-end issu.