From 21f78d88e1cb27287b249be5b048e411e1490760 Mon Sep 17 00:00:00 2001
From: Howard Hinnant <hhinnant@apple.com>
Date: Wed, 27 Jul 2011 18:34:06 +0000
Subject: Fix PR10510: http://llvm.org/bugs/show_bug.cgi?id=10510

llvm-svn: 136232
---
 libcxx/include/type_traits | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libcxx')

diff --git a/libcxx/include/type_traits b/libcxx/include/type_traits
index ec12b6b928c..be893b0dd51 100644
--- a/libcxx/include/type_traits
+++ b/libcxx/include/type_traits
@@ -3014,11 +3014,15 @@ struct __invoke_of
 
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
+#ifndef _LIBCPP_HAS_NO_ADVANCED_SFINAE
 typename enable_if
 <
     is_move_constructible<_Tp>::value &&
     is_move_assignable<_Tp>::value
 >::type
+#else
+void
+#endif
 swap(_Tp& __x, _Tp& __y) _NOEXCEPT_(is_nothrow_move_constructible<_Tp>::value &&
                                     is_nothrow_move_assignable<_Tp>::value)
 {
-- 
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