re PR libstdc++/56627 (class hash instead of struct hash)

2013-07-31  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/56627
	* include/bits/stl_bvector.h: Use friend struct hash intead of
	friend class hash to work around useless warnings produced by
	some compilers.
	* include/std/bitset: Likewise.

From-SVN: r201377

libstdc++-v3/ChangeLog

 2013-07-31  Paolo Carlini  <paolo.carlini@oracle.com>
 
+	PR libstdc++/56627
+	* include/bits/stl_bvector.h: Use friend struct hash intead of
+	friend class hash to work around useless warnings produced by
+	some compilers.
+	* include/std/bitset: Likewise.
+
+2013-07-31  Paolo Carlini  <paolo.carlini@oracle.com>
+
 	* src/c++11/functexcept.cc: Do not include the whole <regex>.
 	* src/c++11/regex.cc: Likewise.
 

libstdc++-v3/include/bits/stl_bvector.h

@@ -528,7 +528,7 @@ template<typename _Alloc>
     typedef _Bvector_base<_Alloc>			 _Base;
 
 #if __cplusplus >= 201103L
-    template<typename> friend class hash;
+    template<typename> friend struct hash;
 #endif
 
   public:

libstdc++-v3/include/std/bitset

@@ -760,7 +760,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
       }
 
 #if __cplusplus >= 201103L
-      template<typename> friend class hash;
+      template<typename> friend struct hash;
 #endif
 
     public: