Index: include/parallel/multiway_merge.h
===================================================================
--- include/parallel/multiway_merge.h	(revision 174336)
+++ include/parallel/multiway_merge.h	(working copy)
@@ -45,6 +45,7 @@
 #include <parallel/features.h>
 #include <parallel/parallel.h>
 #include <parallel/losertree.h>
+#include <parallel/multiseq_selection.h>
 #if _GLIBCXX_ASSERTIONS
 #include <parallel/checkers.h>
 #endif
@@ -54,6 +55,12 @@
 
 namespace __gnu_parallel
 {
+  template<typename _RAIter1, typename _RAIter2, typename _OutputIterator,
+	   typename _DifferenceTp, typename _Compare>
+    _OutputIterator
+    __merge_advance(_RAIter1&, _RAIter1, _RAIter2&, _RAIter2,
+		    _OutputIterator, _DifferenceTp, _Compare);
+
   /** @brief _Iterator wrapper supporting an implicit supremum at the end
    *         of the sequence, dominating all comparisons.
    *
Index: include/parallel/losertree.h
===================================================================
--- include/parallel/losertree.h	(revision 174336)
+++ include/parallel/losertree.h	(working copy)
@@ -171,6 +171,7 @@
     {
       typedef _LoserTreeBase<_Tp, _Compare> _Base;
       using _Base::_M_k;
+      using _Base::_M_comp;
       using _Base::_M_losers;
       using _Base::_M_first_insert;
 
@@ -263,6 +264,7 @@
       typedef _LoserTreeBase<_Tp, _Compare> _Base;
       using _Base::_M_log_k;
       using _Base::_M_k;
+      using _Base::_M_comp;
       using _Base::_M_losers;
       using _Base::_M_first_insert;
 
@@ -409,6 +411,7 @@
     {
       typedef _LoserTreePointerBase<_Tp, _Compare> _Base;
       using _Base::_M_k;
+      using _Base::_M_comp;
       using _Base::_M_losers;
 
     public:
@@ -490,6 +493,7 @@
     {
       typedef _LoserTreePointerBase<_Tp, _Compare> _Base;
       using _Base::_M_k;
+      using _Base::_M_comp;
       using _Base::_M_losers;
 
     public:
@@ -644,6 +648,7 @@
     {
       typedef _LoserTreeUnguardedBase<_Tp, _Compare> _Base;
       using _Base::_M_k;
+      using _Base::_M_comp;
       using _Base::_M_losers;
 
   public:
@@ -731,6 +736,7 @@
     {
       typedef _LoserTreeUnguardedBase<_Tp, _Compare> _Base;
       using _Base::_M_k;
+      using _Base::_M_comp;
       using _Base::_M_losers;
 
     public:
@@ -887,6 +893,7 @@
     {
       typedef _LoserTreePointerUnguardedBase<_Tp, _Compare> _Base;
       using _Base::_M_k;
+      using _Base::_M_comp;
       using _Base::_M_losers;
 
     public:
@@ -972,6 +979,7 @@
     {
       typedef _LoserTreePointerUnguardedBase<_Tp, _Compare> _Base;
       using _Base::_M_k;
+      using _Base::_M_comp;
       using _Base::_M_losers;
 
   public:
Index: include/parallel/multiseq_selection.h
===================================================================
--- include/parallel/multiseq_selection.h	(revision 174336)
+++ include/parallel/multiseq_selection.h	(working copy)
@@ -1,6 +1,6 @@
 // -*- C++ -*-
 
-// Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+// Copyright (C) 2007, 2008, 2009, 2010, 2011 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
@@ -46,8 +46,6 @@
 
 #include <bits/stl_algo.h>
 
-#include <parallel/sort.h>
-
 namespace __gnu_parallel
 {
   /** @brief Compare __a pair of types lexicographically, ascending. */
Index: include/parallel/algobase.h
===================================================================
--- include/parallel/algobase.h	(revision 174336)
+++ include/parallel/algobase.h	(working copy)
@@ -1,6 +1,6 @@
 // -*- C++ -*-
 
-// Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+// Copyright (C) 2007, 2008, 2009, 2010, 2011 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
@@ -38,8 +38,7 @@
 
 #include <bits/stl_algobase.h>
 #include <parallel/base.h>
-#include <parallel/tags.h>
-#include <parallel/settings.h>
+#include <parallel/algorithmfwd.h>
 #include <parallel/find.h>
 #include <parallel/find_selectors.h>
 
Index: include/parallel/algo.h
===================================================================
--- include/parallel/algo.h	(revision 174336)
+++ include/parallel/algo.h	(working copy)
@@ -273,12 +273,12 @@
                   _BinaryPredicate __comp)
     {
       typedef std::iterator_traits<_IIter> _IIterTraits;
-      typedef std::iterator_traits<_FIterator> iteratorf_traits;
+      typedef std::iterator_traits<_FIterator> _FIterTraits;
       typedef typename _IIterTraits::iterator_category _IIteratorCategory;
-      typedef typename iteratorf_traits::iterator_category iteratorf_category;
+      typedef typename _FIterTraits::iterator_category _FIteratorCategory;
 
       return __find_first_of_switch(__begin1, __end1, __begin2, __end2, __comp,
-                                  _IIteratorCategory(), iteratorf_category());
+                                  _IIteratorCategory(), _FIteratorCategory());
     }
 
   // Public interface, insert default comparator
@@ -288,9 +288,9 @@
                   _FIterator __begin2, _FIterator __end2)
     {
       typedef std::iterator_traits<_IIter> _IIterTraits;
-      typedef std::iterator_traits<_FIterator> iteratorf_traits;
+      typedef std::iterator_traits<_FIterator> _FIterTraits;
       typedef typename _IIterTraits::value_type _IValueType;
-      typedef typename iteratorf_traits::value_type _FValueType;
+      typedef typename _FIterTraits::value_type _FValueType;
 
       return __gnu_parallel::find_first_of(__begin1, __end1, __begin2, __end2,
                          __gnu_parallel::_EqualTo<_IValueType, _FValueType>());
Index: include/ext/pb_ds/detail/thin_heap_/erase_fn_imps.hpp
===================================================================
--- include/ext/pb_ds/detail/thin_heap_/erase_fn_imps.hpp	(revision 174336)
+++ include/ext/pb_ds/detail/thin_heap_/erase_fn_imps.hpp	(working copy)
@@ -244,9 +244,9 @@
 {
   using namespace std;
   const size_t* const p_upper =
-    _GLIBCXX_STD_A::upper_bound(g_a_rank_bounds,
-				g_a_rank_bounds + num_distinct_rank_bounds,
-			       	base_type::m_size);
+    std::upper_bound(g_a_rank_bounds,
+		     g_a_rank_bounds + num_distinct_rank_bounds,
+		     base_type::m_size);
 
   if (p_upper == g_a_rank_bounds + num_distinct_rank_bounds)
     return max_rank;
Index: testsuite/ext/pb_ds/regression/tree_no_data_map_rand_debug.cc
===================================================================
--- testsuite/ext/pb_ds/regression/tree_no_data_map_rand_debug.cc	(revision 174336)
+++ testsuite/ext/pb_ds/regression/tree_no_data_map_rand_debug.cc	(working copy)
@@ -1,7 +1,7 @@
+// { dg-require-debug-mode "" }
 // { dg-require-time "" }
 // This can take long on simulators, timing out the test.
-// { dg-options "-D_GLIBCXX_DEBUG -DITERATIONS=5" { target simulator } }
-// { dg-options "-D_GLIBCXX_DEBUG" }
+// { dg-options "-DITERATIONS=5" { target simulator } }
 // { dg-timeout-factor 2.0 }
 
 // -*- C++ -*-
Index: testsuite/ext/pb_ds/regression/tree_data_map_rand_debug.cc
===================================================================
--- testsuite/ext/pb_ds/regression/tree_data_map_rand_debug.cc	(revision 174336)
+++ testsuite/ext/pb_ds/regression/tree_data_map_rand_debug.cc	(working copy)
@@ -1,7 +1,7 @@
+// { dg-require-debug-mode "" }
 // { dg-require-time "" }
 // This can take long on simulators, timing out the test.
-// { dg-options "-D_GLIBCXX_DEBUG -DITERATIONS=5" { target simulator } }
-// { dg-options "-D_GLIBCXX_DEBUG" }
+// { dg-options "-DITERATIONS=5" { target simulator } }
 // { dg-timeout-factor 2.0 }
 
 // -*- C++ -*-
Index: testsuite/ext/pb_ds/regression/priority_queue_rand_debug.cc
===================================================================
--- testsuite/ext/pb_ds/regression/priority_queue_rand_debug.cc	(revision 174336)
+++ testsuite/ext/pb_ds/regression/priority_queue_rand_debug.cc	(working copy)
@@ -1,7 +1,7 @@
+// { dg-require-debug-mode "" }
 // { dg-require-time "" }
 // This can take long on simulators, timing out the test.
-// { dg-options "-D_GLIBCXX_DEBUG -DITERATIONS=5" { target simulator } }
-// { dg-options "-D_GLIBCXX_DEBUG" }
+// { dg-options "-DITERATIONS=5" { target simulator } }
 // { dg-timeout-factor 2.0 }
 
 // -*- C++ -*-
Index: testsuite/ext/pb_ds/regression/trie_no_data_map_rand_debug.cc
===================================================================
--- testsuite/ext/pb_ds/regression/trie_no_data_map_rand_debug.cc	(revision 174336)
+++ testsuite/ext/pb_ds/regression/trie_no_data_map_rand_debug.cc	(working copy)
@@ -1,7 +1,7 @@
+// { dg-require-debug-mode "" }
 // { dg-require-time "" }
 // This can take long on simulators, timing out the test.
-// { dg-options "-D_GLIBCXX_DEBUG -DITERATIONS=5" { target simulator } }
-// { dg-options "-D_GLIBCXX_DEBUG" }
+// { dg-options "-DITERATIONS=5" { target simulator } }
 // { dg-timeout-factor 2.0 }
 
 // -*- C++ -*-
Index: testsuite/ext/pb_ds/regression/trie_data_map_rand_debug.cc
===================================================================
--- testsuite/ext/pb_ds/regression/trie_data_map_rand_debug.cc	(revision 174336)
+++ testsuite/ext/pb_ds/regression/trie_data_map_rand_debug.cc	(working copy)
@@ -1,7 +1,7 @@
+// { dg-require-debug-mode "" }
 // { dg-require-time "" }
 // This can take long on simulators, timing out the test.
-// { dg-options "-D_GLIBCXX_DEBUG -DITERATIONS=5" { target simulator } }
-// { dg-options "-D_GLIBCXX_DEBUG" }
+// { dg-options "-DITERATIONS=5" { target simulator } }
 // { dg-timeout-factor 2.0 }
 
 // -*- C++ -*-
Index: testsuite/ext/pb_ds/regression/list_update_no_data_map_rand_debug.cc
===================================================================
--- testsuite/ext/pb_ds/regression/list_update_no_data_map_rand_debug.cc	(revision 174336)
+++ testsuite/ext/pb_ds/regression/list_update_no_data_map_rand_debug.cc	(working copy)
@@ -1,5 +1,5 @@
+// { dg-require-debug-mode "" }
 // { dg-require-time "" }
-// { dg-options "-D_GLIBCXX_DEBUG" }
 // { dg-timeout-factor 2.0 }
 
 // -*- C++ -*-
Index: testsuite/ext/pb_ds/regression/list_update_data_map_rand_debug.cc
===================================================================
--- testsuite/ext/pb_ds/regression/list_update_data_map_rand_debug.cc	(revision 174336)
+++ testsuite/ext/pb_ds/regression/list_update_data_map_rand_debug.cc	(working copy)
@@ -1,5 +1,5 @@
+// { dg-require-debug-mode "" }
 // { dg-require-time "" }
-// { dg-options "-D_GLIBCXX_DEBUG" }
 // { dg-timeout-factor 2.0 }
 
 // -*- C++ -*-
Index: testsuite/ext/pb_ds/regression/hash_no_data_map_rand_debug.cc
===================================================================
--- testsuite/ext/pb_ds/regression/hash_no_data_map_rand_debug.cc	(revision 174336)
+++ testsuite/ext/pb_ds/regression/hash_no_data_map_rand_debug.cc	(working copy)
@@ -1,7 +1,7 @@
+// { dg-require-debug-mode "" }
 // { dg-require-time "" }
 // This can take long on simulators, timing out the test.
-// { dg-options "-D_GLIBCXX_DEBUG -DITERATIONS=5" { target simulator } }
-// { dg-options "-D_GLIBCXX_DEBUG" }
+// { dg-options "-DITERATIONS=5" { target simulator } }
 // { dg-timeout-factor 2.0 }
 
 // -*- C++ -*-
Index: testsuite/ext/pb_ds/regression/hash_data_map_rand_debug.cc
===================================================================
--- testsuite/ext/pb_ds/regression/hash_data_map_rand_debug.cc	(revision 174336)
+++ testsuite/ext/pb_ds/regression/hash_data_map_rand_debug.cc	(working copy)
@@ -1,7 +1,7 @@
+// { dg-require-debug-mode "" }
 // { dg-require-time "" }
 // This can take long on simulators, timing out the test.
-// { dg-options "-D_GLIBCXX_DEBUG -DITERATIONS=5" { target simulator } }
-// { dg-options "-D_GLIBCXX_DEBUG" }
+// { dg-options "-DITERATIONS=5" { target simulator } }
 // { dg-timeout-factor 2.0 }
 
 // -*- C++ -*-
