From 08142fa6c7d63ad0a822e1e572a9c86478ba2737 Mon Sep 17 00:00:00 2001
From: Joerg Sonnenberger <joerg@bec.de>
Date: Mon, 10 Aug 2015 16:58:04 +0000
Subject: [PATCH] Protect template argument from user interference.

llvm-svn: 244462
---
 libcxx/include/type_traits | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libcxx/include/type_traits b/libcxx/include/type_traits
index db8a0434b616..f0defafec6d3 100644
--- a/libcxx/include/type_traits
+++ b/libcxx/include/type_traits
@@ -219,8 +219,8 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 template <class>
 struct __void_t { typedef void type; };
 
-template <class T>
-struct __identity { typedef T type; };
+template <class _Tp>
+struct __identity { typedef _Tp type; };
 
 template <class _Tp, bool>
 struct _LIBCPP_TYPE_VIS_ONLY __dependent_type : public _Tp {};