Experimenting with a new forward fomulation (kudos Daniel Kruegler), updated insert iterators to work better with pproxies, and doubled the speed of __next_prime. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113731 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/iterator b/include/iterator index b836090..cda778f 100644 --- a/include/iterator +++ b/include/iterator 
@@ -151,7 +151,7 @@  typedef void pointer;    explicit back_insert_iterator(Container& x); - back_insert_iterator& operator=(typename Container::const_reference value); + back_insert_iterator& operator=(const typename _Container::value_type& value);  back_insert_iterator& operator*();  back_insert_iterator& operator++();  back_insert_iterator operator++(int); @@ -172,7 +172,7 @@  typedef void pointer;    explicit front_insert_iterator(Container& x); - front_insert_iterator& operator=(typename Container::const_reference value); + front_insert_iterator& operator=(const typename _Container::value_type& value);  front_insert_iterator& operator*();  front_insert_iterator& operator++();  front_insert_iterator operator++(int); @@ -194,7 +194,7 @@  typedef void pointer;    insert_iterator(Container& x, typename Container::iterator i); - insert_iterator& operator=(typename Container::const_reference value); + insert_iterator& operator=(const typename _Container::value_type& value);  insert_iterator& operator*();  insert_iterator& operator++();  insert_iterator& operator++(int); @@ -624,7 +624,7 @@  typedef _Container container_type;    _LIBCPP_INLINE_VISIBILITY explicit back_insert_iterator(_Container& __x) : container(&__x) {} - _LIBCPP_INLINE_VISIBILITY back_insert_iterator& operator=(typename _Container::const_reference __value) + _LIBCPP_INLINE_VISIBILITY back_insert_iterator& operator=(const typename _Container::value_type& __value)  {container->push_back(__value); return *this;}  #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES  _LIBCPP_INLINE_VISIBILITY back_insert_iterator& operator=(typename _Container::value_type&& __value) @@ -657,7 +657,7 @@  typedef _Container container_type;    _LIBCPP_INLINE_VISIBILITY explicit front_insert_iterator(_Container& __x) : container(&__x) {} - _LIBCPP_INLINE_VISIBILITY front_insert_iterator& operator=(typename _Container::const_reference __value) + _LIBCPP_INLINE_VISIBILITY front_insert_iterator& operator=(const typename _Container::value_type& __value)  {container->push_front(__value); return *this;}  #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES  _LIBCPP_INLINE_VISIBILITY front_insert_iterator& operator=(typename _Container::value_type&& __value) @@ -692,7 +692,7 @@    _LIBCPP_INLINE_VISIBILITY insert_iterator(_Container& __x, typename _Container::iterator __i)  : container(&__x), iter(__i) {} - _LIBCPP_INLINE_VISIBILITY insert_iterator& operator=(typename _Container::const_reference __value) + _LIBCPP_INLINE_VISIBILITY insert_iterator& operator=(const typename _Container::value_type& __value)  {iter = container->insert(iter, __value); ++iter; return *this;}  #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES  _LIBCPP_INLINE_VISIBILITY insert_iterator& operator=(typename _Container::value_type&& __value)