[Bug fortran/126872] Change in visibility of C bound functions with 16.2.0

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126872

--- Comment #7 from Harald Anlauf <anlauf at gcc dot gnu.org> ---
(In reply to Jerry DeLisle from comment #6)
> Confirmed.
> 
> I suspect the fix for PR125430. Its the only one that I recall touched on
> linkage things. I will investigate further.

Versions 15 and earlier do not emit the .hidden, so it is likely that fix.