[Bug lto/116946] LTO gets confused about code path and incorrectly triggers build-time assertion

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116946

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
IIRC you can't use __builtin_constant_p in this way ever even without LTO.