1 files changed, 2 insertions, 2 deletions
diff --git a/libcxx/test/std/iterators/iterator.primitives/iterator.traits/empty.pass.cpp b/libcxx/test/std/iterators/iterator.primitives/iterator.traits/empty.pass.cpp
index 57d4a3834a0..179e5e762a9 100644
--- a/libcxx/test/std/iterators/iterator.primitives/iterator.traits/empty.pass.cpp
+++ b/libcxx/test/std/iterators/iterator.primitives/iterator.traits/empty.pass.cpp
@@ -25,8 +25,8 @@ struct has_value_type
 {
 private:
     struct two {char lx; char lxx;};
-    template <class _Up> static two test(...);
-    template <class _Up> static char test(typename _Up::value_type* = 0);
+    template <class U> static two test(...);
+    template <class U> static char test(typename U::value_type* = 0);
 public:
     static const bool value = sizeof(test<T>(0)) == 1;
 };