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

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@231375 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow 2015-03-05 16:07:37 +00:00
parent 3b1d283788
commit ad98e210c6

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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>