re PR libstdc++/50661 (std::equal should use more efficient version for arrays of pointers)

2011-10-11  Emil Wojak  <emil@wojak.eu>

	PR c++/50661
	* include/bits/stl_algobase.h (equal): Compare arrays of pointers
	too with memcmp.

From-SVN: r179801

libstdc++-v3/ChangeLog

+2011-10-11  Emil Wojak  <emil@wojak.eu>
+
+	PR c++/50661
+	* include/bits/stl_algobase.h (equal): Compare arrays of pointers
+	too with memcmp.
+
 2011-10-10  Benjamin Kosnik  <bkoz@redhat.com>
 
 	PR libstdc++/49818

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

@@ -812,7 +812,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     {
       typedef typename iterator_traits<_II1>::value_type _ValueType1;
       typedef typename iterator_traits<_II2>::value_type _ValueType2;
-      const bool __simple = (__is_integer<_ValueType1>::__value
+      const bool __simple = ((__is_integer<_ValueType1>::__value
+			      || __is_pointer<_ValueType1>::__value)
 	                     && __is_pointer<_II1>::__value
 	                     && __is_pointer<_II2>::__value
 			     && __are_same<_ValueType1, _ValueType2>::__value);