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[v3] Fix libstdc++/40497


Hi,

tested x86_64-linux, committed to mainline and 4_4-branch.

Paolo.

/////////////////////
2009-06-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/40497
	* include/bits/stl_iterator_base_funcs.h (next, prev): Fix the
	signature per the current C++1x draft (N2857).
	* testsuite/24_iterators/operations/40497.cc: Add.
Index: include/bits/stl_iterator_base_funcs.h
===================================================================
--- include/bits/stl_iterator_base_funcs.h	(revision 148720)
+++ include/bits/stl_iterator_base_funcs.h	(working copy)
@@ -175,8 +175,8 @@
 #ifdef __GXX_EXPERIMENTAL_CXX0X__
   template<typename _InputIterator>
     inline _InputIterator 
-    next(_InputIterator __x, typename
-	 iterator_traits<_InputIterator>::difference_type __n = 1)
+    next(_InputIterator __x,
+	 typename _InputIterator::difference_type __n = 1)
     {
       std::advance(__x, __n);
       return __x;
@@ -184,8 +184,8 @@
 
   template<typename _BidirectionalIterator>
     inline _BidirectionalIterator 
-    prev(_BidirectionalIterator __x, typename
-	 iterator_traits<_BidirectionalIterator>::difference_type __n = 1) 
+    prev(_BidirectionalIterator __x,
+	 typename _BidirectionalIterator::difference_type __n = 1) 
     {
       std::advance(__x, -__n);
       return __x;
Index: testsuite/24_iterators/operations/40497.cc
===================================================================
--- testsuite/24_iterators/operations/40497.cc	(revision 0)
+++ testsuite/24_iterators/operations/40497.cc	(revision 0)
@@ -0,0 +1,41 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+namespace X
+{
+  class C { };
+
+  template<class T> void next(T) { }
+  template<class T> void prev(T) { }
+}
+
+using namespace X;
+
+#include <string>
+
+using namespace std;
+
+// libstdc++/40497
+void test01()
+{
+  C c;
+  next(c);
+  prev(c);
+}

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