uninitialized_fill_n
using __STD::uninitialized_fill_n;
uninitialized_fill_n(__rest_buffer, __rest, __c);
uninitialized_fill_n(__base_buffer, __exponentiate_threshold, __c);
uninitialized_fill_n(_M_buffer, _M_len, val);
{ _M_finish = uninitialized_fill_n(_M_start, __n, __value); }
{ _M_finish = uninitialized_fill_n(_M_start, __n, _Tp()); }
_M_finish = uninitialized_fill_n(_M_start, __n, __value);
_M_finish = uninitialized_fill_n(_M_finish, __n - size(), __val);
uninitialized_fill_n(_M_finish, __n - __elems_after, __x_copy);
__new_finish = uninitialized_fill_n(__new_finish, __n, __x);