From fd1f5e66c1d6744167006e846c1073fd4ec8ff18 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.

llvm-svn: 239655
---
 libcxx/include/type_traits | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/libcxx/include/type_traits b/libcxx/include/type_traits
index 20dc156..531caf0 100644
--- a/libcxx/include/type_traits
+++ b/libcxx/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 {};
-- 
2.7.4