[Bug c++/119866] constexpr with __builtin_strlen does not always work

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119866

--- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> ---
But note that the existing "mostly works" behaviour doesn't help solve the
general problem, it would need entirely new code in the front end to be written
from scratch for this specific call.