From b7fc49f828b53c5e910da6aeb2920b50f6b07ff1 Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Sat, 13 Jun 2015 02:36:07 +0000
Subject: [PATCH] Make __void_t unary and always provide it.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@239655 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/type_traits | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/type_traits b/include/type_traits
index 20dc15688..531caf0a2 100644
--- a/include/type_traits
+++ b/include/type_traits
@@ -216,10 +216,8 @@ namespace std
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#ifndef _LIBCPP_HAS_NO_VARIADICS
-template <class...> 
+template <class>
 struct __void_t { typedef void type; };
-#endif
 
 template <class _Tp, bool>
 struct _LIBCPP_TYPE_VIS_ONLY __dependent_type : public _Tp {};