(_Hash_code_base): Use _Ebo_helper to limit memory footprint. Move
_Equal functor management...
(_Hashtable_base): ...here, new, use _Equal_helper.
- (_Local_iterator_base<>, _Locale_iterator<>, _Locale_const_iterator<>):
+ (_Local_iterator_base<>, _Local_iterator<>, _Local_const_iterator<>):
New, use _Hash_code_base, implementation of...
* include/bits/hashtable.h (_Hashtable<>::local_iterator,
_Hashtable<>::const_local_iterator): ...those. Add static assertions