Update libc++ to 3.7.0 release.

1 files changed, 5 insertions, 18 deletions

diff --git a/contrib/libc++/include/utility b/contrib/libc++/include/utility
index 6f324db..54cfc8b 100644
--- a/contrib/libc++/include/utility
+++ b/contrib/libc++/include/utility
@@ -202,6 +202,11 @@ operator>=(const _Tp& __x, const _Tp& __y)
 
 // swap_ranges
 
+// forward
+template<class _Tp, size_t _Np>
+inline _LIBCPP_INLINE_VISIBILITY
+void swap(_Tp (&__a)[_Np], _Tp (&__b)[_Np]) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value);
+
 template <class _ForwardIterator1, class _ForwardIterator2>
 inline _LIBCPP_INLINE_VISIBILITY
 _ForwardIterator2
@@ -508,10 +513,6 @@ template <class _T1, class _T2>
     : public integral_constant<size_t, 2> {};
 
 template <class _T1, class _T2>
-  class _LIBCPP_TYPE_VIS_ONLY tuple_size<const pair<_T1, _T2> >
-    : public integral_constant<size_t, 2> {};
-
-template <class _T1, class _T2>
 class _LIBCPP_TYPE_VIS_ONLY tuple_element<0, pair<_T1, _T2> >
 {
 public:
@@ -525,20 +526,6 @@ public:
     typedef _T2 type;
 };
 
-template <class _T1, class _T2>
-class _LIBCPP_TYPE_VIS_ONLY tuple_element<0, const pair<_T1, _T2> >
-{
-public:
-    typedef const _T1 type;
-};
-
-template <class _T1, class _T2>
-class _LIBCPP_TYPE_VIS_ONLY tuple_element<1, const pair<_T1, _T2> >
-{
-public:
-    typedef const _T2 type;
-};
-
 template <size_t _Ip> struct __get_pair;
 
 template <>