stl_deque.h (deque<>::push_back(_Args&&...), [...]): Remove.

2008-06-13  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/stl_deque.h (deque<>::push_back(_Args&&...),
	deque<>::push_front(_Args&&...)): Remove.
	(deque<>::push_back(value_type&&),
	deque<>::push_front(value_type&&)): Add.
	(deque<>::push_back(const value_type&),
	deque<>::push_front(const value_type&)): Add back.
	(deque<>::emplace_back(_Args&&...),
	deque<>::emplace_front(_Args&&...)): Declare...
	* include/bits/deque.tcc: ... and define.	
	* include/bits/stl_list.h (list<>::push_back(_Args&&...),
	list<>::push_front(_Args&&...)): Remove.
	(list<>::push_back(value_type&&), list<>::push_front(value_type&&),
	list<>::emplace_back(_Args&&...), list<>::emplace_front(_Args&&...)):
	Add.
	(list<>::push_back(const value_type&),
	list<>::push_front(const value_type&)): Add back.
	* include/bits/stl_vector.h (vector<>::push_back(_Args&&...)): Remove.
	(vector<>::push_back(value_type&&)): Add.
	(vector<>::push_back(const value_type&)): Add back.
	(vector<>::emplace_back(_Args&&...)): Declare...
	* include/bits/vector.tcc: ... and define.
	* include/bits/stl_queue.h (queue<>::push(_Args&&...),
	priority_queue<>::push(_Args&&...)): Remove.
	(queue<>::push(value_type&&), queue<>::emplace(_Args&&...),
	priority_queue<>::push(value_type&&),
	priority_queue<>::emplace(_Args&&...)): Add.
	(queue<>::push(const value_type&),
	priority_queue<>::push(const value_type&)): Add back.
	* include/bits/stl_stack.h (stack<>::push(_Args&&...)): Remove.
	(stack<>::push(value_type&&), stack<>::emplace(_Args&&...)): Add.
	(stack<>::push(const value_type&)): Add back.
	* include/debug/deque (deque<>::push_back(_Args&&...),
	deque<>::push_front(_Args&&...)): Remove.
	(deque<>::push_back(value_type&&), deque<>::push_front(value_type&&),
	deque<>::emplace_back(_Args&&...), deque<>::emplace_front(_Args&&...)):
	Add.
	(deque<>::push_back(const value_type&),
	deque<>::push_front(const value_type&)): Add back.
	* include/debug/list (list<>::push_back(_Args&&...),
	list<>::push_front(_Args&&...)): Remove.
	(list<>::push_back(value_type&&), list<>::push_front(value_type&&),
	list<>::emplace_back(_Args&&...), list<>::emplace_front(_Args&&...)):
	Add.
	(list<>::push_back(const value_type&),
	list<>::push_front(const value_type&)): Add back.
	* include/debug/vector (vector<>::push_back(_Args&&...)): Remove.
	(vector<>::push_back(value_type&&),
	vector<>::emplace_back(_Args&&...)): Add.
	(vector<>::push_back(const value_type&)): Add back.
	* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc:
	Adjust dg-error line numbers.
	* testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
	Adjust dg-error line numbers.
	* testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
	Adjust dg-error line numbers.
	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_2_neg.cc: Likewise.

From-SVN: r136750

23 files changed, 242 insertions, 92 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 2d1681c..ebfca51 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,81 @@
 2008-06-13  Paolo Carlini  <paolo.carlini@oracle.com>
 
+	* include/bits/stl_deque.h (deque<>::push_back(_Args&&...),
+	deque<>::push_front(_Args&&...)): Remove.
+	(deque<>::push_back(value_type&&),
+	deque<>::push_front(value_type&&)): Add.
+	(deque<>::push_back(const value_type&),
+	deque<>::push_front(const value_type&)): Add back.
+	(deque<>::emplace_back(_Args&&...),
+	deque<>::emplace_front(_Args&&...)): Declare...
+	* include/bits/deque.tcc: ... and define.	
+	* include/bits/stl_list.h (list<>::push_back(_Args&&...),
+	list<>::push_front(_Args&&...)): Remove.
+	(list<>::push_back(value_type&&), list<>::push_front(value_type&&),
+	list<>::emplace_back(_Args&&...), list<>::emplace_front(_Args&&...)):
+	Add.
+	(list<>::push_back(const value_type&),
+	list<>::push_front(const value_type&)): Add back.
+	* include/bits/stl_vector.h (vector<>::push_back(_Args&&...)): Remove.
+	(vector<>::push_back(value_type&&)): Add.
+	(vector<>::push_back(const value_type&)): Add back.
+	(vector<>::emplace_back(_Args&&...)): Declare...
+	* include/bits/vector.tcc: ... and define.
+	* include/bits/stl_queue.h (queue<>::push(_Args&&...),
+	priority_queue<>::push(_Args&&...)): Remove.
+	(queue<>::push(value_type&&), queue<>::emplace(_Args&&...),
+	priority_queue<>::push(value_type&&),
+	priority_queue<>::emplace(_Args&&...)): Add.
+	(queue<>::push(const value_type&),
+	priority_queue<>::push(const value_type&)): Add back.
+	* include/bits/stl_stack.h (stack<>::push(_Args&&...)): Remove.
+	(stack<>::push(value_type&&), stack<>::emplace(_Args&&...)): Add.
+	(stack<>::push(const value_type&)): Add back.
+	* include/debug/deque (deque<>::push_back(_Args&&...),
+	deque<>::push_front(_Args&&...)): Remove.
+	(deque<>::push_back(value_type&&), deque<>::push_front(value_type&&),
+	deque<>::emplace_back(_Args&&...), deque<>::emplace_front(_Args&&...)):
+	Add.
+	(deque<>::push_back(const value_type&),
+	deque<>::push_front(const value_type&)): Add back.
+	* include/debug/list (list<>::push_back(_Args&&...),
+	list<>::push_front(_Args&&...)): Remove.
+	(list<>::push_back(value_type&&), list<>::push_front(value_type&&),
+	list<>::emplace_back(_Args&&...), list<>::emplace_front(_Args&&...)):
+	Add.
+	(list<>::push_back(const value_type&),
+	list<>::push_front(const value_type&)): Add back.
+	* include/debug/vector (vector<>::push_back(_Args&&...)): Remove.
+	(vector<>::push_back(value_type&&),
+	vector<>::emplace_back(_Args&&...)): Add.
+	(vector<>::push_back(const value_type&)): Add back.
+	* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc:
+	Adjust dg-error line numbers.
+	* testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
+	Likewise.
+	* testsuite/23_containers/deque/requirements/dr438/
+	constructor_1_neg.cc: Likewise.
+	* testsuite/23_containers/deque/requirements/dr438/
+	constructor_2_neg.cc: Likewise.
+	* testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
+	Adjust dg-error line numbers.
+	* testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
+	Likewise.
+	* testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
+	Likewise.
+	* testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
+	Likewise.
+	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
+	Adjust dg-error line numbers.
+	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
+	Likewise.
+	* testsuite/23_containers/vector/requirements/dr438/
+	constructor_1_neg.cc: Likewise.
+	* testsuite/23_containers/vector/requirements/dr438/
+	constructor_2_neg.cc: Likewise.
+
+2008-06-13  Paolo Carlini  <paolo.carlini@oracle.com>
+
 	* include/tr1_impl/array (array<>::assign): Do not define in
 	C++0x mode, per DR 776...
 	(array<>::fill): ... define instead.
diff --git a/libstdc++-v3/include/bits/deque.tcc b/libstdc++-v3/include/bits/deque.tcc
index 08b7ade..9c1096f 100644
--- a/libstdc++-v3/include/bits/deque.tcc
+++ b/libstdc++-v3/include/bits/deque.tcc
@@ -1,6 +1,6 @@
 // Deque implementation (out of line) -*- C++ -*-
 
-// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -85,6 +85,41 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
       return *this;
     }
 
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+  template<typename _Tp, typename _Alloc>
+    template<typename... _Args>
+      void
+      deque<_Tp, _Alloc>::
+      emplace_front(_Args&&... __args)
+      {
+	if (this->_M_impl._M_start._M_cur != this->_M_impl._M_start._M_first)
+	  {
+	    this->_M_impl.construct(this->_M_impl._M_start._M_cur - 1,
+				    std::forward<_Args>(__args)...);
+	    --this->_M_impl._M_start._M_cur;
+	  }
+	else
+	  _M_push_front_aux(std::forward<_Args>(__args)...);
+      }
+
+  template<typename _Tp, typename _Alloc>
+    template<typename... _Args>
+      void
+      deque<_Tp, _Alloc>::
+      emplace_back(_Args&&... __args)
+      {
+	if (this->_M_impl._M_finish._M_cur
+	    != this->_M_impl._M_finish._M_last - 1)
+	  {
+	    this->_M_impl.construct(this->_M_impl._M_finish._M_cur,
+				    std::forward<_Args>(__args)...);
+	    ++this->_M_impl._M_finish._M_cur;
+	  }
+	else
+	  _M_push_back_aux(std::forward<_Args>(__args)...);
+      }
+#endif
+
   template <typename _Tp, typename _Alloc>
     typename deque<_Tp, _Alloc>::iterator
     deque<_Tp, _Alloc>::
diff --git a/libstdc++-v3/include/bits/stl_deque.h b/libstdc++-v3/include/bits/stl_deque.h
index 6032765..b778f15 100644
--- a/libstdc++-v3/include/bits/stl_deque.h
+++ b/libstdc++-v3/include/bits/stl_deque.h
@@ -1117,7 +1117,6 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
        *  data to it.  Due to the nature of a %deque this operation
        *  can be done in constant time.
        */
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
       void
       push_front(const value_type& __x)
       {
@@ -1129,20 +1128,15 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
 	else
 	  _M_push_front_aux(__x);
       }
-#else
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      void
+      push_front(value_type&& __x)
+      { emplace_front(std::move(__x)); }
+
       template<typename... _Args>
         void
-        push_front(_Args&&... __args)
-	{
-	  if (this->_M_impl._M_start._M_cur != this->_M_impl._M_start._M_first)
-	    {
-	      this->_M_impl.construct(this->_M_impl._M_start._M_cur - 1,
-				      std::forward<_Args>(__args)...);
-	      --this->_M_impl._M_start._M_cur;
-	    }
-	  else
-	    _M_push_front_aux(std::forward<_Args>(__args)...);
-	}
+        emplace_front(_Args&&... __args);
 #endif
 
       /**
@@ -1154,7 +1148,6 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
        *  to it.  Due to the nature of a %deque this operation can be
        *  done in constant time.
        */
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
       void
       push_back(const value_type& __x)
       {
@@ -1167,21 +1160,15 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
 	else
 	  _M_push_back_aux(__x);
       }
-#else
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      void
+      push_back(value_type&& __x)
+      { emplace_back(std::move(__x)); }
+
       template<typename... _Args>
         void
-        push_back(_Args&&... __args)
-	{
-	  if (this->_M_impl._M_finish._M_cur
-	      != this->_M_impl._M_finish._M_last - 1)
-	    {
-	      this->_M_impl.construct(this->_M_impl._M_finish._M_cur,
-				      std::forward<_Args>(__args)...);
-	      ++this->_M_impl._M_finish._M_cur;
-	    }
-	  else
-	    _M_push_back_aux(std::forward<_Args>(__args)...);
-	}
+        emplace_back(_Args&&... __args);
 #endif
 
       /**
diff --git a/libstdc++-v3/include/bits/stl_list.h b/libstdc++-v3/include/bits/stl_list.h
index a631b0e..08fb89e 100644
--- a/libstdc++-v3/include/bits/stl_list.h
+++ b/libstdc++-v3/include/bits/stl_list.h
@@ -833,15 +833,19 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
        *  done in constant time, and does not invalidate iterators and
        *  references.
        */
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
       void
       push_front(const value_type& __x)
       { this->_M_insert(begin(), __x); }
-#else
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      void
+      push_front(value_type&& __x)
+      { this->_M_insert(begin(), std::move(__x)); }
+
       template<typename... _Args>
         void
-        push_front(_Args&&... __args)
-	{ this->_M_insert(begin(), std::forward<_Args>(__args)...); }
+        emplace_front(_Args&&... __args)
+        { this->_M_insert(begin(), std::forward<_Args>(__args)...); }
 #endif
 
       /**
@@ -870,15 +874,19 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
        *  in constant time, and does not invalidate iterators and
        *  references.
        */
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
       void
       push_back(const value_type& __x)
       { this->_M_insert(end(), __x); }
-#else
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      void
+      push_back(value_type&& __x)
+      { this->_M_insert(end(), std::move(__x)); }
+
       template<typename... _Args>
         void
-        push_back(_Args&&... __args)
-	{ this->_M_insert(end(), std::forward<_Args>(__args)...); }
+        emplace_back(_Args&&... __args)
+        { this->_M_insert(end(), std::forward<_Args>(__args)...); }
 #endif
 
       /**
diff --git a/libstdc++-v3/include/bits/stl_queue.h b/libstdc++-v3/include/bits/stl_queue.h
index 4ab3c46..053a59c 100644
--- a/libstdc++-v3/include/bits/stl_queue.h
+++ b/libstdc++-v3/include/bits/stl_queue.h
@@ -1,6 +1,6 @@
 // Queue implementation -*- C++ -*-
 
-// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -220,16 +220,19 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
        *  to it.  The time complexity of the operation depends on the
        *  underlying sequence.
        */
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
       void
       push(const value_type& __x)
       { c.push_back(__x); }
-#else
-      // NB: DR 756.
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      void
+      push(value_type&& __x)
+      { c.push_back(std::move(__x)); }
+
       template<typename... _Args>
         void
-        push(_Args&&... __args)
-	{ c.push_back(std::forward<_Args>(__args)...); }
+        emplace(_Args&&... __args)
+	{ c.emplace_back(std::forward<_Args>(__args)...); }
 #endif
 
       /**
@@ -509,20 +512,26 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
        *  The time complexity of the operation depends on the underlying
        *  sequence.
        */
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
       void
       push(const value_type& __x)
       {
 	c.push_back(__x);
 	std::push_heap(c.begin(), c.end(), comp);
       }
-#else
-      // NB: DR 756.
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      void
+      push(value_type&& __x)
+      {
+	c.push_back(std::move(__x));
+	std::push_heap(c.begin(), c.end(), comp);
+      }
+
       template<typename... _Args>
         void
-        push(_Args&&... __args)
-	{ 
-	  c.push_back(std::forward<_Args>(__args)...);
+        emplace(_Args&&... __args)
+	{
+	  c.emplace_back(std::forward<_Args>(__args)...);
 	  std::push_heap(c.begin(), c.end(), comp);
 	}
 #endif
diff --git a/libstdc++-v3/include/bits/stl_stack.h b/libstdc++-v3/include/bits/stl_stack.h
index 932388a..13e4b7a 100644
--- a/libstdc++-v3/include/bits/stl_stack.h
+++ b/libstdc++-v3/include/bits/stl_stack.h
@@ -1,6 +1,6 @@
 // Stack implementation -*- C++ -*-
 
-// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -184,16 +184,19 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
        *  to it.  The time complexity of the operation depends on the
        *  underlying sequence.
        */
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
       void
       push(const value_type& __x)
       { c.push_back(__x); }
-#else
-      // NB: DR 756.
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      void
+      push(value_type&& __x)
+      { c.push_back(std::move(__x)); }
+
       template<typename... _Args>
         void
-        push(_Args&&... __args)
-	{ c.push_back(std::forward<_Args>(__args)...); }
+        emplace(_Args&&... __args)
+	{ c.emplace_back(std::forward<_Args>(__args)...); }
 #endif
 
       /**
diff --git a/libstdc++-v3/include/bits/stl_vector.h b/libstdc++-v3/include/bits/stl_vector.h
index 34bb595..aa874089 100644
--- a/libstdc++-v3/include/bits/stl_vector.h
+++ b/libstdc++-v3/include/bits/stl_vector.h
@@ -681,7 +681,6 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
        *  done in constant time if the %vector has preallocated space
        *  available.
        */
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
       void
       push_back(const value_type& __x)
       {
@@ -693,20 +692,15 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
 	else
 	  _M_insert_aux(end(), __x);
       }
-#else
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      void
+      push_back(value_type&& __x)
+      { emplace_back(std::move(__x)); }
+
       template<typename... _Args>
         void
-        push_back(_Args&&... __args)
-	{
-	  if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
-	    {
-	      this->_M_impl.construct(this->_M_impl._M_finish,
-				      std::forward<_Args>(__args)...);
-	      ++this->_M_impl._M_finish;
-	    }
-	  else
-	    _M_insert_aux(end(), std::forward<_Args>(__args)...);
-	}
+        emplace_back(_Args&&... __args);
 #endif
 
       /**
diff --git a/libstdc++-v3/include/bits/vector.tcc b/libstdc++-v3/include/bits/vector.tcc
index 462d18f..04f76ca 100644
--- a/libstdc++-v3/include/bits/vector.tcc
+++ b/libstdc++-v3/include/bits/vector.tcc
@@ -88,6 +88,24 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
 	}
     }
 
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+  template<typename _Tp, typename _Alloc>
+    template<typename... _Args>
+      void
+      vector<_Tp, _Alloc>::
+      emplace_back(_Args&&... __args)
+      {
+	if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
+	  {
+	    this->_M_impl.construct(this->_M_impl._M_finish,
+				    std::forward<_Args>(__args)...);
+	    ++this->_M_impl._M_finish;
+	  }
+	else
+	  _M_insert_aux(end(), std::forward<_Args>(__args)...);
+      }
+#endif
+
   template<typename _Tp, typename _Alloc>
     typename vector<_Tp, _Alloc>::iterator
     vector<_Tp, _Alloc>::
diff --git a/libstdc++-v3/include/debug/deque b/libstdc++-v3/include/debug/deque
index 2f967b4..c37381f 100644
--- a/libstdc++-v3/include/debug/deque
+++ b/libstdc++-v3/include/debug/deque
@@ -1,6 +1,6 @@
 // Debugging deque implementation -*- C++ -*-
 
-// Copyright (C) 2003, 2004, 2005, 2006, 2007
+// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -254,7 +254,6 @@ namespace __debug
       }
 
       // 23.2.1.3 modifiers:
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
       void
       push_front(const _Tp& __x)
       {
@@ -268,20 +267,29 @@ namespace __debug
 	_Base::push_back(__x);
 	this->_M_invalidate_all();
       }
-#else
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      void
+      push_front(_Tp&& __x)
+      { emplace_front(std::move(__x)); }
+
+      void
+      push_back(_Tp&& __x)
+      { emplace_back(std::move(__x)); }
+
       template<typename... _Args>
         void
-        push_front(_Args&&... __args)
+        emplace_front(_Args&&... __args)
 	{
-	  _Base::push_front(std::forward<_Args>(__args)...);
+	  _Base::emplace_front(std::forward<_Args>(__args)...);
 	  this->_M_invalidate_all();
 	}
 
       template<typename... _Args>
         void
-        push_back(_Args&&... __args)
+        emplace_back(_Args&&... __args)
 	{
-	  _Base::push_back(std::forward<_Args>(__args)...);
+	  _Base::emplace_back(std::forward<_Args>(__args)...);
 	  this->_M_invalidate_all();
 	}
 
diff --git a/libstdc++-v3/include/debug/list b/libstdc++-v3/include/debug/list
index d0797e9..7ab0bdd 100644
--- a/libstdc++-v3/include/debug/list
+++ b/libstdc++-v3/include/debug/list
@@ -280,6 +280,10 @@ namespace __debug
       // 23.2.2.3 modifiers:
       using _Base::push_front;
 
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      using _Base::emplace_front;
+#endif
+
       void
       pop_front()
       {
@@ -291,6 +295,10 @@ namespace __debug
 
       using _Base::push_back;
 
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      using _Base::emplace_back;
+#endif
+
       void
       pop_back()
       {
diff --git a/libstdc++-v3/include/debug/vector b/libstdc++-v3/include/debug/vector
index 7945b54..12bd52f 100644
--- a/libstdc++-v3/include/debug/vector
+++ b/libstdc++-v3/include/debug/vector
@@ -289,7 +289,6 @@ namespace __debug
       using _Base::data;
 
       // 23.2.4.3 modifiers:
-#ifndef __GXX_EXPERIMENTAL_CXX0X__
       void
       push_back(const _Tp& __x)
       {
@@ -299,13 +298,18 @@ namespace __debug
 	  this->_M_invalidate_all();
 	_M_update_guaranteed_capacity();
       }
-#else
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      void
+      push_back(_Tp&& __x)
+      { emplace_back(std::move(__x)); }
+
       template<typename... _Args>
         void
-        push_back(_Args&&... __args)
+        emplace_back(_Args&&... __args)
 	{
 	  bool __realloc = _M_requires_reallocation(this->size() + 1);
-	  _Base::push_back(std::forward<_Args>(__args)...);
+	  _Base::emplace_back(std::forward<_Args>(__args)...);
 	  if (__realloc)
 	    this->_M_invalidate_all();
 	  _M_update_guaranteed_capacity();
diff --git a/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/assign_neg.cc b/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/assign_neg.cc
index 3d40c00..2cb464c 100644
--- a/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/assign_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/assign_neg.cc
@@ -1,6 +1,6 @@
 // 2007-04-27  Paolo Carlini  <pcarlini@suse.de>
 
-// Copyright (C) 2007 Free Software Foundation
+// Copyright (C) 2007, 2008 Free Software Foundation
 //
 // 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
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1449 }
+// { dg-error "no matching" "" { target *-*-* } 1436 }
 // { dg-excess-errors "" }
 
 #include <deque>
diff --git a/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc b/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc
index fb4c40e..57c865f3 100644
--- a/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1388 }
+// { dg-error "no matching" "" { target *-*-* } 1375 }
 // { dg-excess-errors "" }
 
 #include <deque>
diff --git a/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc b/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc
index 1f24c98..a46674c 100644
--- a/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1388 }
+// { dg-error "no matching" "" { target *-*-* } 1375 }
 // { dg-excess-errors "" }
 
 #include <deque>
diff --git a/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/insert_neg.cc b/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/insert_neg.cc
index 522022a..3ae748c 100644
--- a/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/insert_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/deque/requirements/dr438/insert_neg.cc
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1533 }
+// { dg-error "no matching" "" { target *-*-* } 1520 }
 // { dg-excess-errors "" }
 
 #include <deque>
diff --git a/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/assign_neg.cc b/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/assign_neg.cc
index 1478f3d..8eeff63 100644
--- a/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/assign_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/assign_neg.cc
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1317 }
+// { dg-error "no matching" "" { target *-*-* } 1325 }
 // { dg-excess-errors "" }
 
 #include <list>
diff --git a/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc b/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc
index d5dc390..06b7162 100644
--- a/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1286 }
+// { dg-error "no matching" "" { target *-*-* } 1294 }
 // { dg-excess-errors "" }
 
 #include <list>
diff --git a/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc b/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc
index 10f726b..bfe8710 100644
--- a/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1286 }
+// { dg-error "no matching" "" { target *-*-* } 1294 }
 // { dg-excess-errors "" }
 
 #include <list>
diff --git a/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/insert_neg.cc b/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/insert_neg.cc
index 1a97c4b..d75ed06 100644
--- a/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/insert_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/list/requirements/dr438/insert_neg.cc
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1286 }
+// { dg-error "no matching" "" { target *-*-* } 1294 }
 // { dg-excess-errors "" }
 
 #include <list>
diff --git a/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/assign_neg.cc b/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/assign_neg.cc
index eb6aa1f..64c6a98 100644
--- a/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/assign_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/assign_neg.cc
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 992 }
+// { dg-error "no matching" "" { target *-*-* } 986 }
 // { dg-excess-errors "" }
 
 #include <vector>
diff --git a/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/constructor_1_neg.cc b/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/constructor_1_neg.cc
index 6e65a5e..34e602d 100644
--- a/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/constructor_1_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/constructor_1_neg.cc
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 932 }
+// { dg-error "no matching" "" { target *-*-* } 926 }
 // { dg-excess-errors "" }
 
 #include <vector>
diff --git a/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/constructor_2_neg.cc b/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/constructor_2_neg.cc
index dce05ed..f1af46c 100644
--- a/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/constructor_2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/constructor_2_neg.cc
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 932 }
+// { dg-error "no matching" "" { target *-*-* } 926 }
 // { dg-excess-errors "" }
 
 #include <vector>
diff --git a/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/insert_neg.cc b/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/insert_neg.cc
index 3df2fc8..a95f578 100644
--- a/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/insert_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/vector/requirements/dr438/insert_neg.cc
@@ -1,6 +1,6 @@
 // 2007-04-27  Paolo Carlini  <pcarlini@suse.de>
 
-// Copyright (C) 2007 Free Software Foundation
+// Copyright (C) 2007, 2008 Free Software Foundation
 //
 // 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
@@ -19,7 +19,7 @@
 // USA.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1033 }
+// { dg-error "no matching" "" { target *-*-* } 1027 }
 // { dg-excess-errors "" }
 
 #include <vector>