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-rw-r--r--llvm/include/llvm/ADT/STLExtras.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/include/llvm/ADT/STLExtras.h b/llvm/include/llvm/ADT/STLExtras.h
index 28f75949373..06a1756e26f 100644
--- a/llvm/include/llvm/ADT/STLExtras.h
+++ b/llvm/include/llvm/ADT/STLExtras.h
@@ -117,7 +117,9 @@ public:
iterator_category;
typedef typename std::iterator_traits<RootIt>::difference_type
difference_type;
- typedef typename UnaryFunc::result_type value_type;
+ typedef typename std::result_of<
+ UnaryFunc(decltype(*std::declval<RootIt>()))>
+ ::type value_type;
typedef void pointer;
//typedef typename UnaryFunc::result_type *pointer;
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