Fix PR10509: http://llvm.org/bugs/show_bug.cgi?id=10509
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@136247 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/utility b/include/utility
index d0aee55..358fe76 100644
--- a/include/utility
+++ b/include/utility
@@ -226,9 +226,12 @@
template<class _U1, class _U2>
_LIBCPP_INLINE_VISIBILITY
- pair(const pair<_U1, _U2>& __p,
- typename enable_if<is_constructible<_T1, _U1>::value &&
- is_constructible<_T2, _U2>::value>::type* = 0)
+ pair(const pair<_U1, _U2>& __p
+#ifndef _LIBCPP_HAS_NO_ADVANCED_SFINAE
+ ,typename enable_if<is_constructible<_T1, _U1>::value &&
+ is_constructible<_T2, _U2>::value>::type* = 0
+#endif
+ )
: first(__p.first), second(__p.second) {}
_LIBCPP_INLINE_VISIBILITY