[Bug c++/100675] std::string_view::find in constexpr function is not constant expression

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100675

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Maybe we should just get rid of the __constant_string_p stuff entirely.