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-rw-r--r--llvm/include/llvm/ADT/iterator.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/llvm/include/llvm/ADT/iterator.h b/llvm/include/llvm/ADT/iterator.h
index 2898a677db3..14830d06c2a 100644
--- a/llvm/include/llvm/ADT/iterator.h
+++ b/llvm/include/llvm/ADT/iterator.h
@@ -155,7 +155,14 @@ template <
typename T = typename std::iterator_traits<WrappedIteratorT>::value_type,
typename DifferenceTypeT =
typename std::iterator_traits<WrappedIteratorT>::difference_type,
- typename PointerT = T *, typename ReferenceT = T &,
+ typename PointerT = typename std::conditional<
+ std::is_same<T, typename std::iterator_traits<
+ WrappedIteratorT>::value_type>::value,
+ typename std::iterator_traits<WrappedIteratorT>::pointer, T *>::type,
+ typename ReferenceT = typename std::conditional<
+ std::is_same<T, typename std::iterator_traits<
+ WrappedIteratorT>::value_type>::value,
+ typename std::iterator_traits<WrappedIteratorT>::reference, T &>::type,
// Don't provide these, they are mostly to act as aliases below.
typename WrappedTraitsT = std::iterator_traits<WrappedIteratorT>>
class iterator_adaptor_base
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