Teach move_iterator that rvalue references cannot bind to non-function
lvalues, nor can one take the address of an xvalue, by adding
appropriate static_cast's (in the first case) and a temporary (in the
second case).
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@124255 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/iterator b/include/iterator
index 6fcb259..8bb811f 100644
--- a/include/iterator
+++ b/include/iterator
@@ -902,8 +902,13 @@
template <class _Up> _LIBCPP_INLINE_VISIBILITY move_iterator(const move_iterator<_Up>& __u)
: __i(__u.base()) {}
_LIBCPP_INLINE_VISIBILITY _Iter base() const {return __i;}
- _LIBCPP_INLINE_VISIBILITY reference operator*() const {return *__i;}
- _LIBCPP_INLINE_VISIBILITY pointer operator->() const {return &(operator*());}
+ _LIBCPP_INLINE_VISIBILITY reference operator*() const {
+ return static_cast<reference>(*__i);
+ }
+ _LIBCPP_INLINE_VISIBILITY pointer operator->() const {
+ typename iterator_traits<iterator_type>::reference __ref = *__i;
+ return &__ref;
+ }
_LIBCPP_INLINE_VISIBILITY move_iterator& operator++() {++__i; return *this;}
_LIBCPP_INLINE_VISIBILITY move_iterator operator++(int)
{move_iterator __tmp(*this); ++__i; return __tmp;}
@@ -919,7 +924,9 @@
_LIBCPP_INLINE_VISIBILITY move_iterator& operator-=(difference_type __n)
{__i -= __n; return *this;}
_LIBCPP_INLINE_VISIBILITY reference operator[](difference_type __n) const
- {return __i[__n];}
+ {
+ return static_cast<reference>(__i[__n]);
+ }
};
template <class _Iter1, class _Iter2>