diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 4e51b3d1f301..ddc30f80aba5 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2011-10-31  Jason Merrill  <jason@redhat.com>
+
+	* include/Makefile.am (install-freestanding-headers): Install
+	c++0x_warning.h.
+	* libsupc++/initializer_list: Include it.
+
 2011-10-31  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* acinclude.m4 (GLIBCXX_CONFIGURE): Refer to GNU/Linux.
diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 02deefc72228..74acbf0c88ab 100644
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -1201,8 +1201,10 @@ endif
 # are installed by libsupc++, so only the first four and the sub-includes
 # are copied here.
 install-freestanding-headers:
-	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}
+	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/bits
 	$(mkinstalldirs) $(DESTDIR)${host_installdir}
+	$(INSTALL_DATA) ${glibcxx_srcdir}/include/bits/c++0x_warning.h \
+	  $(DESTDIR)${gxx_include_dir}/bits
 	for file in ${host_srcdir}/os_defines.h ${host_builddir}/c++config.h \
 	  ${glibcxx_srcdir}/$(ABI_TWEAKS_SRCDIR)/cxxabi_tweaks.h \
 	  ${glibcxx_srcdir}/$(CPU_DEFINES_SRCDIR)/cpu_defines.h; do \
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index e3e75a005119..8b805ba9acbf 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -1586,8 +1586,10 @@ ${pch3_output}: ${pch3_source} ${pch2_output}
 # are installed by libsupc++, so only the first four and the sub-includes
 # are copied here.
 install-freestanding-headers:
-	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}
+	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/bits
 	$(mkinstalldirs) $(DESTDIR)${host_installdir}
+	$(INSTALL_DATA) ${glibcxx_srcdir}/include/bits/c++0x_warning.h \
+	  $(DESTDIR)${gxx_include_dir}/bits
 	for file in ${host_srcdir}/os_defines.h ${host_builddir}/c++config.h \
 	  ${glibcxx_srcdir}/$(ABI_TWEAKS_SRCDIR)/cxxabi_tweaks.h \
 	  ${glibcxx_srcdir}/$(CPU_DEFINES_SRCDIR)/cpu_defines.h; do \
diff --git a/libstdc++-v3/include/bits/algorithmfwd.h b/libstdc++-v3/include/bits/algorithmfwd.h
index cc0b98ed7d28..fbec55d0c36f 100644
--- a/libstdc++-v3/include/bits/algorithmfwd.h
+++ b/libstdc++-v3/include/bits/algorithmfwd.h
@@ -35,7 +35,9 @@
 #include <bits/c++config.h>
 #include <bits/stl_pair.h>
 #include <bits/stl_iterator_base_types.h>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/bits/basic_string.h b/libstdc++-v3/include/bits/basic_string.h
index 5708194bd012..0edb8b2f8df0 100644
--- a/libstdc++-v3/include/bits/basic_string.h
+++ b/libstdc++-v3/include/bits/basic_string.h
@@ -40,7 +40,9 @@
 
 #include <ext/atomicity.h>
 #include <debug/debug.h>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/bits/forward_list.h b/libstdc++-v3/include/bits/forward_list.h
index c80ee5087572..0fc8323767ba 100644
--- a/libstdc++-v3/include/bits/forward_list.h
+++ b/libstdc++-v3/include/bits/forward_list.h
@@ -33,7 +33,9 @@
 #pragma GCC system_header
 
 #include <memory>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/bits/stl_bvector.h b/libstdc++-v3/include/bits/stl_bvector.h
index bddecb0d4c51..8f286400aec7 100644
--- a/libstdc++-v3/include/bits/stl_bvector.h
+++ b/libstdc++-v3/include/bits/stl_bvector.h
@@ -57,7 +57,9 @@
 #ifndef _STL_BVECTOR_H
 #define _STL_BVECTOR_H 1
 
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/bits/stl_deque.h b/libstdc++-v3/include/bits/stl_deque.h
index 17ea01a96e9b..b92491793567 100644
--- a/libstdc++-v3/include/bits/stl_deque.h
+++ b/libstdc++-v3/include/bits/stl_deque.h
@@ -60,7 +60,9 @@
 #include <bits/concept_check.h>
 #include <bits/stl_iterator_base_types.h>
 #include <bits/stl_iterator_base_funcs.h>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/bits/stl_list.h b/libstdc++-v3/include/bits/stl_list.h
index 56ee2fbfd2e4..fc1d8f8c6ea8 100644
--- a/libstdc++-v3/include/bits/stl_list.h
+++ b/libstdc++-v3/include/bits/stl_list.h
@@ -58,7 +58,9 @@
 #define _STL_LIST_H 1
 
 #include <bits/concept_check.h>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/bits/stl_map.h b/libstdc++-v3/include/bits/stl_map.h
index 889e52b388a9..45824f04079f 100644
--- a/libstdc++-v3/include/bits/stl_map.h
+++ b/libstdc++-v3/include/bits/stl_map.h
@@ -59,7 +59,9 @@
 
 #include <bits/functexcept.h>
 #include <bits/concept_check.h>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/bits/stl_multimap.h b/libstdc++-v3/include/bits/stl_multimap.h
index 6b74558948c2..fd5a5a8cffba 100644
--- a/libstdc++-v3/include/bits/stl_multimap.h
+++ b/libstdc++-v3/include/bits/stl_multimap.h
@@ -58,7 +58,9 @@
 #define _STL_MULTIMAP_H 1
 
 #include <bits/concept_check.h>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/bits/stl_multiset.h b/libstdc++-v3/include/bits/stl_multiset.h
index 8b25a9754804..ab467c80dc31 100644
--- a/libstdc++-v3/include/bits/stl_multiset.h
+++ b/libstdc++-v3/include/bits/stl_multiset.h
@@ -58,7 +58,9 @@
 #define _STL_MULTISET_H 1
 
 #include <bits/concept_check.h>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/bits/stl_set.h b/libstdc++-v3/include/bits/stl_set.h
index b30966a22922..18fd1176a132 100644
--- a/libstdc++-v3/include/bits/stl_set.h
+++ b/libstdc++-v3/include/bits/stl_set.h
@@ -58,7 +58,9 @@
 #define _STL_SET_H 1
 
 #include <bits/concept_check.h>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/bits/stl_vector.h b/libstdc++-v3/include/bits/stl_vector.h
index 869bcf744893..9b7b698925ff 100644
--- a/libstdc++-v3/include/bits/stl_vector.h
+++ b/libstdc++-v3/include/bits/stl_vector.h
@@ -60,7 +60,9 @@
 #include <bits/stl_iterator_base_funcs.h>
 #include <bits/functexcept.h>
 #include <bits/concept_check.h>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/include/ext/vstring.h b/libstdc++-v3/include/ext/vstring.h
index 8e825e055d09..5720daf39197 100644
--- a/libstdc++-v3/include/ext/vstring.h
+++ b/libstdc++-v3/include/ext/vstring.h
@@ -32,7 +32,10 @@
 
 #pragma GCC system_header
 
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
+
 #include <ext/vstring_util.h>
 #include <ext/rc_string_base.h>
 #include <ext/sso_string_base.h>
diff --git a/libstdc++-v3/include/std/valarray b/libstdc++-v3/include/std/valarray
index 3b155c525d85..a159aab51aeb 100644
--- a/libstdc++-v3/include/std/valarray
+++ b/libstdc++-v3/include/std/valarray
@@ -39,7 +39,9 @@
 #include <cmath>
 #include <algorithm>
 #include <debug/debug.h>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
 #include <initializer_list>
+#endif
 
 namespace std _GLIBCXX_VISIBILITY(default)
 {
diff --git a/libstdc++-v3/libsupc++/initializer_list b/libstdc++-v3/libsupc++/initializer_list
index 0dc8ae90f066..0e2c58a43ae4 100644
--- a/libstdc++-v3/libsupc++/initializer_list
+++ b/libstdc++-v3/libsupc++/initializer_list
@@ -32,7 +32,9 @@
 
 #pragma GCC system_header
 
-#ifdef __GXX_EXPERIMENTAL_CXX0X__
+#ifndef __GXX_EXPERIMENTAL_CXX0X__
+# include <bits/c++0x_warning.h>
+#endif // C++0x
 
 #pragma GCC visibility push(default)
 
@@ -99,5 +101,4 @@ namespace std
 }
 
 #pragma GCC visibility pop
-#endif // C++0x
 #endif // _INITIALIZER_LIST
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 60f5008d6903..006041dc5f78 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1668 }
+// { dg-error "no matching" "" { target *-*-* } 1670 }
 
 #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 2d84537e30a9..c7ed29a21048 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1601 }
+// { dg-error "no matching" "" { target *-*-* } 1603 }
 
 #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 2329a32a4d25..e390f44b565c 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1601 }
+// { dg-error "no matching" "" { target *-*-* } 1603 }
 
 #include <deque>
 #include <utility>
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 631d76c4aa63..ed81d582fdff 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1752 }
+// { dg-error "no matching" "" { target *-*-* } 1754 }
 
 #include <deque>
 
diff --git a/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/assign_neg.cc b/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/assign_neg.cc
index 7dd46e1fb484..774c728ddab3 100644
--- a/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/assign_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/assign_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile }
 // { dg-options "-std=gnu++0x" }
-// { dg-error "no matching" "" { target *-*-* } 1211 }
+// { dg-error "no matching" "" { target *-*-* } 1213 }
 
 // Copyright (C) 2009, 2010, 2011 Free Software Foundation
 //
diff --git a/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/constructor_1_neg.cc b/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/constructor_1_neg.cc
index e8e4d5700190..e19698d61405 100644
--- a/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/constructor_1_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/constructor_1_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile }
 // { dg-options "-std=gnu++0x" }
-// { dg-error "no matching" "" { target *-*-* } 1211 }
+// { dg-error "no matching" "" { target *-*-* } 1213 }
 
 // Copyright (C) 2009, 2010, 2011 Free Software Foundation
 //
diff --git a/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/constructor_2_neg.cc b/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/constructor_2_neg.cc
index 0ea7d2b73359..1d7fdb8a2a33 100644
--- a/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/constructor_2_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/constructor_2_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile }
 // { dg-options "-std=gnu++0x" }
-// { dg-error "no matching" "" { target *-*-* } 1211 }
+// { dg-error "no matching" "" { target *-*-* } 1213 }
 
 // Copyright (C) 2009, 2010, 2011 Free Software Foundation
 //
diff --git a/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/insert_neg.cc b/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/insert_neg.cc
index 8d7844cabe4d..12dd38e76e4e 100644
--- a/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/insert_neg.cc
+++ b/libstdc++-v3/testsuite/23_containers/forward_list/requirements/dr438/insert_neg.cc
@@ -1,6 +1,6 @@
 // { dg-do compile }
 // { dg-options "-std=gnu++0x" }
-// { dg-error "no matching" "" { target *-*-* } 1211 }
+// { dg-error "no matching" "" { target *-*-* } 1213 }
 
 // Copyright (C) 2009, 2010, 2011 Free Software Foundation
 //
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 974821f0e529..6349ea2ca4e3 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1549 }
+// { dg-error "no matching" "" { target *-*-* } 1551 }
 
 #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 6683e78062d2..12f28fffd0f4 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1505 }
+// { dg-error "no matching" "" { target *-*-* } 1507 }
 
 #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 f3e70098ea0f..05993340af9b 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1505 }
+// { dg-error "no matching" "" { target *-*-* } 1507 }
 
 #include <list>
 #include <utility>
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 7e19c4205dc8..22acf3ad82d3 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1505 }
+// { dg-error "no matching" "" { target *-*-* } 1507 }
 
 #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 00d18b74fd5a..1855fddafbd3 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1223 }
+// { dg-error "no matching" "" { target *-*-* } 1225 }
 
 #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 34c2ed1c6a84..9c05486e35b8 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1153 }
+// { dg-error "no matching" "" { target *-*-* } 1155 }
 
 #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 563def0e6664..152393c15dca 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1153 }
+// { dg-error "no matching" "" { target *-*-* } 1155 }
 
 #include <vector>
 #include <utility>
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 fec41a39fdbf..f44ae63eb99d 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
@@ -18,7 +18,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-do compile }
-// { dg-error "no matching" "" { target *-*-* } 1264 }
+// { dg-error "no matching" "" { target *-*-* } 1266 }
 
 #include <vector>