From f7e3d8915e54b44c6ce5a00a2fc666051f2e800e Mon Sep 17 00:00:00 2001
From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Wed, 31 Oct 2018 20:38:41 +0000
Subject: [PATCH] Remove unused internal template parameter.

llvm-svn: 345773
---
 llvm/include/llvm/ADT/iterator.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/llvm/include/llvm/ADT/iterator.h b/llvm/include/llvm/ADT/iterator.h
index cb40fc1781db..7f7ed69a0054 100644
--- a/llvm/include/llvm/ADT/iterator.h
+++ b/llvm/include/llvm/ADT/iterator.h
@@ -202,9 +202,7 @@ template <
     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>>
+        typename std::iterator_traits<WrappedIteratorT>::reference, T &>::type>
 class iterator_adaptor_base
     : public iterator_facade_base<DerivedT, IteratorCategoryT, T,
                                   DifferenceTypeT, PointerT, ReferenceT> {