[libcxx-commits] [libcxx] [libc++] Implement LWG4290: Missing Mandates clauses on is_sufficiently_aligned (PR #229765)

[Nikolas Klauser via libcxx-commits]

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@@ -22,6 +22,8 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <size_t _Alignment, class _Tp>
 [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI bool __is_sufficiently_aligned(_Tp* __ptr) {
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philnik777 wrote:

We don't use `__is_sufficiently_aligned` in versions earlier than C++20. Can we restrict this to C++20 and just use `std::has_single_bit` instead in the `static_assert`?

https://github.com/llvm/llvm-project/pull/229765