diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 8a15c8c54592..a03f1afe033e 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2011-10-01  François Dumont  <fdumont@gcc.gnu.org>
+
+	* include/debug/vector (vector<>::erase(iterator, iterator): Check
+	iterators equality using normal iterators.
+	* include/debug/deque (deque<>::erase(iterator, iterator): Likewise.
+
 2011-09-29  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	* include/bits/hashtable.h (_Hashtable<>::_Hashtable(_Hashtable&&)):
diff --git a/libstdc++-v3/include/debug/deque b/libstdc++-v3/include/debug/deque
index 2bce99281d69..07b332b01911 100644
--- a/libstdc++-v3/include/debug/deque
+++ b/libstdc++-v3/include/debug/deque
@@ -465,7 +465,7 @@ namespace __debug
 	// 151. can't currently clear() empty container
 	__glibcxx_check_erase_range(__first, __last);
 
-	if (__first == __last)
+	if (__first.base() == __last.base())
 	  return __first;
         else if (__first.base() == _Base::begin()
 		 || __last.base() == _Base::end())
diff --git a/libstdc++-v3/include/debug/vector b/libstdc++-v3/include/debug/vector
index 865c27564549..0f252a059dc0 100644
--- a/libstdc++-v3/include/debug/vector
+++ b/libstdc++-v3/include/debug/vector
@@ -499,7 +499,7 @@ namespace __debug
 	// 151. can't currently clear() empty container
 	__glibcxx_check_erase_range(__first, __last);
 
-	if (__first != __last)
+	if (__first.base() != __last.base())
 	  {
 	    difference_type __offset = __first.base() - _Base::begin();
 	    _Base_iterator __res = _Base::erase(__first.base(),