[Bug libstdc++/93059] char and char8_t does not talk with each other with memcpy. std::copy std::copy_n, std::fill, std::fill_n, std::uninitialized_copy std::uninitialized_copy_n, std::fill, std::uninitialized_fill_n fails to convert to memxxx functions

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93059

--- Comment #13 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to fdlbxtqi from comment #11)
> TBH. I would rather see the library does the optimization instead of the
> compiler. I do not trust the compiler can always optimize this stuff.

If we have both, that looks even safer ;-)