Work on Windows port by Ruben Van Boxem

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@140384 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/__bit_reference b/include/__bit_reference
index d62bec7..53d3c86 100644
--- a/include/__bit_reference
+++ b/include/__bit_reference
@@ -687,12 +687,12 @@
 
 // swap_ranges
 
-template <class _C1, class _C2>
-__bit_iterator<_C2, false>
-__swap_ranges_aligned(__bit_iterator<_C1, false> __first, __bit_iterator<_C1, false> __last,
-                      __bit_iterator<_C2, false> __result)
+template <class __C1, class __C2>
+__bit_iterator<__C2, false>
+__swap_ranges_aligned(__bit_iterator<__C1, false> __first, __bit_iterator<__C1, false> __last,
+                      __bit_iterator<__C2, false> __result)
 {
-    typedef __bit_iterator<_C1, false> _I1;
+    typedef __bit_iterator<__C1, false> _I1;
     typedef  typename _I1::difference_type difference_type;
     typedef typename _I1::__storage_type __storage_type;
     static const unsigned __bits_per_word = _I1::__bits_per_word;
@@ -737,12 +737,12 @@
     return __result;
 }
 
-template <class _C1, class _C2>
-__bit_iterator<_C2, false>
-__swap_ranges_unaligned(__bit_iterator<_C1, false> __first, __bit_iterator<_C1, false> __last,
-                        __bit_iterator<_C2, false> __result)
+template <class __C1, class __C2>
+__bit_iterator<__C2, false>
+__swap_ranges_unaligned(__bit_iterator<__C1, false> __first, __bit_iterator<__C1, false> __last,
+                        __bit_iterator<__C2, false> __result)
 {
-    typedef __bit_iterator<_C1, false> _I1;
+    typedef __bit_iterator<__C1, false> _I1;
     typedef  typename _I1::difference_type difference_type;
     typedef typename _I1::__storage_type __storage_type;
     static const unsigned __bits_per_word = _I1::__bits_per_word;
@@ -837,11 +837,11 @@
     return __result;
 }
 
-template <class _C1, class _C2>
+template <class __C1, class __C2>
 inline _LIBCPP_INLINE_VISIBILITY
-__bit_iterator<_C2, false>
-swap_ranges(__bit_iterator<_C1, false> __first1, __bit_iterator<_C1, false> __last1,
-            __bit_iterator<_C2, false> __first2)
+__bit_iterator<__C2, false>
+swap_ranges(__bit_iterator<__C1, false> __first1, __bit_iterator<__C1, false> __last1,
+            __bit_iterator<__C2, false> __first2)
 {
     if (__first1.__ctz_ == __first2.__ctz_)
         return __swap_ranges_aligned(__first1, __last1, __first2);
@@ -1213,15 +1213,15 @@
     template <class _D, bool _IC> friend __bit_iterator<_D, false> copy_backward(__bit_iterator<_D, _IC> __first,
                                                                                  __bit_iterator<_D, _IC> __last,
                                                                                  __bit_iterator<_D, false> __result);
-    template <class _C1, class _C2>friend __bit_iterator<_C2, false> __swap_ranges_aligned(__bit_iterator<_C1, false>,
-                                                                                           __bit_iterator<_C1, false>,
-                                                                                           __bit_iterator<_C2, false>);
-    template <class _C1, class _C2>friend __bit_iterator<_C2, false> __swap_ranges_unaligned(__bit_iterator<_C1, false>,
-                                                                                             __bit_iterator<_C1, false>,
-                                                                                             __bit_iterator<_C2, false>);
-    template <class _C1, class _C2>friend __bit_iterator<_C2, false> swap_ranges(__bit_iterator<_C1, false>,
-                                                                                 __bit_iterator<_C1, false>,
-                                                                                 __bit_iterator<_C2, false>);
+    template <class __C1, class __C2>friend __bit_iterator<__C2, false> __swap_ranges_aligned(__bit_iterator<__C1, false>,
+                                                                                           __bit_iterator<__C1, false>,
+                                                                                           __bit_iterator<__C2, false>);
+    template <class __C1, class __C2>friend __bit_iterator<__C2, false> __swap_ranges_unaligned(__bit_iterator<__C1, false>,
+                                                                                             __bit_iterator<__C1, false>,
+                                                                                             __bit_iterator<__C2, false>);
+    template <class __C1, class __C2>friend __bit_iterator<__C2, false> swap_ranges(__bit_iterator<__C1, false>,
+                                                                                 __bit_iterator<__C1, false>,
+                                                                                 __bit_iterator<__C2, false>);
     template <class _D> friend __bit_iterator<_D, false> rotate(__bit_iterator<_D, false>,
                                                                 __bit_iterator<_D, false>,
                                                                 __bit_iterator<_D, false>);