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Rework reverse_iterator::operator[] so as not to use the base iterators operator [], which can cause constness problems. Fixes PR17883 

llvm-svn: 231375
This commit is contained in:
Marshall Clow 2015-03-05 16:07:37 +00:00
parent 8d0851f509
commit 10b33a2662
1 changed files with 1 additions and 1 deletions
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libcxx/include/iterator
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@ -575,7 +575,7 @@ public:
_LIBCPP_INLINE_VISIBILITY reverse_iterator& operator-=(difference_type __n)
{current += __n; return *this;}
_LIBCPP_INLINE_VISIBILITY reference operator[](difference_type __n) const
{return current[-__n-1];}
{return *(*this + __n);}
};
template <class _Iter1, class _Iter2>