Nico Rieck:  this patch series fixes visibility issues on Windows as explained in <http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-August/031214.html>.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@188192 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/utility b/include/utility
index d36cf9d..1e1ce58 100644
--- a/include/utility
+++ b/include/utility
@@ -237,7 +237,7 @@
     return _VSTD::move(__x);
 }
 
-struct _LIBCPP_TYPE_VIS piecewise_construct_t { };
+struct _LIBCPP_TYPE_VIS_ONLY piecewise_construct_t { };
 #if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_UTILITY)
 extern const piecewise_construct_t piecewise_construct;// = piecewise_construct_t();
 #else
@@ -245,7 +245,7 @@
 #endif
 
 template <class _T1, class _T2>
-struct _LIBCPP_TYPE_VIS pair
+struct _LIBCPP_TYPE_VIS_ONLY pair
 {
     typedef _T1 first_type;
     typedef _T2 second_type;
@@ -462,7 +462,7 @@
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
-template <class _Tp> class _LIBCPP_TYPE_VIS reference_wrapper;
+template <class _Tp> class _LIBCPP_TYPE_VIS_ONLY reference_wrapper;
 
 template <class _Tp>
 struct ___make_pair_return
@@ -504,36 +504,36 @@
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
 template <class _T1, class _T2>
-  class _LIBCPP_TYPE_VIS tuple_size<pair<_T1, _T2> >
+  class _LIBCPP_TYPE_VIS_ONLY tuple_size<pair<_T1, _T2> >
     : public integral_constant<size_t, 2> {};
 
 template <class _T1, class _T2>
-  class _LIBCPP_TYPE_VIS tuple_size<const pair<_T1, _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 tuple_element<0, pair<_T1, _T2> >
+class _LIBCPP_TYPE_VIS_ONLY tuple_element<0, pair<_T1, _T2> >
 {
 public:
     typedef _T1 type;
 };
 
 template <class _T1, class _T2>
-class _LIBCPP_TYPE_VIS tuple_element<1, pair<_T1, _T2> >
+class _LIBCPP_TYPE_VIS_ONLY tuple_element<1, pair<_T1, _T2> >
 {
 public:
     typedef _T2 type;
 };
 
 template <class _T1, class _T2>
-class _LIBCPP_TYPE_VIS tuple_element<0, const pair<_T1, _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 tuple_element<1, const pair<_T1, _T2> >
+class _LIBCPP_TYPE_VIS_ONLY tuple_element<1, const pair<_T1, _T2> >
 {
 public:
     typedef const _T2 type;
@@ -669,7 +669,7 @@
 #if _LIBCPP_STD_VER > 11
 
 template<class _Tp, _Tp... _Ip>
-struct _LIBCPP_TYPE_VIS integer_sequence
+struct _LIBCPP_TYPE_VIS_ONLY integer_sequence
 {
     typedef _Tp value_type;
     static_assert( is_integral<_Tp>::value,