From ba865ff66b36f99a1dc5d9e31af3d8943f94e349 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.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@244462 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/type_traits | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/type_traits b/include/type_traits
index db8a0434..f0defafe 100644
--- a/include/type_traits
+++ b/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 {};