https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94933
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2020-05-03
Status|UNCONFIRMED |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |redi at gcc dot gnu.org
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to rhalbersma from comment #0)
> std::fill_n is constexpr in C++20 but when writing unsigned chars it
> delegates to __builtin_memset which is not constexpr:
No, it fails before reaching the call to __builtin_memset, when calling this
function which isn't constexpr:
template<typename _Tp>
inline typename
__gnu_cxx::__enable_if<__is_byte<_Tp>::__value, void>::__type
__fill_a1(_Tp* __first, _Tp* __last, const _Tp& __c)
