Index: libcxx/include/filesystem
===================================================================
--- libcxx/include/filesystem
+++ libcxx/include/filesystem
@@ -1362,39 +1362,39 @@
 _LIBCPP_FUNC_VIS
 size_t hash_value(const path& __p) noexcept;
 
-template <class _Source>
+template <class _InputIt>
 _LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_WITH_CHAR8_T
-    typename enable_if<__is_pathable<_Source>::value, path>::type
-    u8path(const _Source& __s) {
+    typename enable_if<__is_pathable<_InputIt>::value, path>::type
+    u8path(_InputIt __f, _InputIt __l) {
   static_assert(
 #ifndef _LIBCPP_NO_HAS_CHAR8_T
-      is_same<typename __is_pathable<_Source>::__char_type, char8_t>::value ||
+      is_same<typename __is_pathable<_InputIt>::__char_type, char8_t>::value ||
 #endif
-      is_same<typename __is_pathable<_Source>::__char_type, char>::value,
-      "u8path(Source const&) requires Source have a character type of type "
-      "'char'"
+      is_same<typename __is_pathable<_InputIt>::__char_type, char>::value,
+      "u8path(Iter, Iter) requires Iter have a value_type of type 'char'"
 #ifndef _LIBCPP_NO_HAS_CHAR8_T
       " or 'char8_t'"
 #endif
       );
-  return path(__s);
+  return path(__f, __l);
 }
 
-template <class _InputIt>
+template <class _Source>
 _LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_WITH_CHAR8_T
-    typename enable_if<__is_pathable<_InputIt>::value, path>::type
-    u8path(_InputIt __f, _InputIt __l) {
+    typename enable_if<__is_pathable<_Source>::value, path>::type
+    u8path(const _Source& __s) {
   static_assert(
 #ifndef _LIBCPP_NO_HAS_CHAR8_T
-      is_same<typename __is_pathable<_InputIt>::__char_type, char8_t>::value ||
+      is_same<typename __is_pathable<_Source>::__char_type, char8_t>::value ||
 #endif
-      is_same<typename __is_pathable<_InputIt>::__char_type, char>::value,
-      "u8path(Iter, Iter) requires Iter have a value_type of type 'char'"
+      is_same<typename __is_pathable<_Source>::__char_type, char>::value,
+      "u8path(Source const&) requires Source have a character type of type "
+      "'char'"
 #ifndef _LIBCPP_NO_HAS_CHAR8_T
       " or 'char8_t'"
 #endif
       );
-  return path(__f, __l);
+  return path(__s);
 }
 
 class _LIBCPP_TYPE_VIS path::iterator {