23 General utilities library [utilities]

23.10 Memory [memory]

23.10.9 The default allocator [default.allocator]

23.10.9.2 allocator globals [allocator.globals]

template <class T, class U> bool operator==(const allocator<T>&, const allocator<U>&) noexcept;

template <class T, class U> bool operator!=(const allocator<T>&, const allocator<U>&) noexcept;