[Bug c++/116911] [15 regression] reference to a variable in anonymous namespace no longer considered constexpr in C++11

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116911

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #7)
> comment #5 is PR 113266.

Which I think is the underyling issue here, just exposed by
r15-3910-gaf4471cb422a86 change.