No functionality change at this time.  I've split _LIBCPP_VISIBLE up into two flags: _LIBCPP_TYPE_VIS and _LIBCPP_FUNC_VIS.  This is in preparation for taking advantage of clang's new __type_visibility__ attribute.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@176593 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/unordered_map b/include/unordered_map
index cb2ab42..235b2ea 100644
--- a/include/unordered_map
+++ b/include/unordered_map
@@ -544,7 +544,7 @@
 };
 
 template <class _HashIterator>
-class _LIBCPP_VISIBLE __hash_map_iterator
+class _LIBCPP_TYPE_VIS __hash_map_iterator
 {
     _HashIterator __i_;
 
@@ -592,15 +592,15 @@
         bool operator!=(const __hash_map_iterator& __x, const __hash_map_iterator& __y)
         {return __x.__i_ != __y.__i_;}
 
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_map;
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_multimap;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_local_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_map_const_iterator;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_map;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_multimap;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_local_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_map_const_iterator;
 };
 
 template <class _HashIterator>
-class _LIBCPP_VISIBLE __hash_map_const_iterator
+class _LIBCPP_TYPE_VIS __hash_map_const_iterator
 {
     _HashIterator __i_;
 
@@ -653,15 +653,15 @@
         bool operator!=(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y)
         {return __x.__i_ != __y.__i_;}
 
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_map;
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_multimap;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_local_iterator;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_map;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_multimap;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_local_iterator;
 };
 
 template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>,
           class _Alloc = allocator<pair<const _Key, _Tp> > >
-class _LIBCPP_VISIBLE unordered_map
+class _LIBCPP_TYPE_VIS unordered_map
 {
 public:
     // types
@@ -1294,7 +1294,7 @@
 
 template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>,
           class _Alloc = allocator<pair<const _Key, _Tp> > >
-class _LIBCPP_VISIBLE unordered_multimap
+class _LIBCPP_TYPE_VIS unordered_multimap
 {
 public:
     // types