diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index dc98cf7467be8582c6b1b06535f719dd9d1b7699..961877e55d7d70caaa450280d975a24506dea357 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2011-02-10  Jonathan Wakely  <jwakely.gcc@gmail.com>
+
+	PR libstdc++/47662
+	* include/bits/c++config: Do not use alternative token.
+	* testsuite/17_intro/headers/c++1998/operator_names.cc: New.
+
 2011-02-10  Jonathan Wakely  <jwakely.gcc@gmail.com>
 
 	* src/future.cc (future_error_category::message): Handle no_state.
diff --git a/libstdc++-v3/include/bits/c++config b/libstdc++-v3/include/bits/c++config
index 1d46c132e959436521bc30783bb5a19f34cf2704..bab2b87ac8100f0e63a04e831d740795219c18b8 100644
--- a/libstdc++-v3/include/bits/c++config
+++ b/libstdc++-v3/include/bits/c++config
@@ -263,7 +263,7 @@ namespace std
 // _GLIBCXX_END_NAMESPACE_ALGO
 // _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
 // _GLIBCXX_END_NAMESPACE_CONTAINER
-#if defined(_GLIBCXX_DEBUG) or defined(_GLIBCXX_PROFILE)
+#if defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PROFILE)
 # define _GLIBCXX_STD_C __cxx1998
 # define _GLIBCXX_BEGIN_NAMESPACE_CONTAINER \
 	 namespace _GLIBCXX_STD_C { _GLIBCXX_BEGIN_NAMESPACE_VERSION
diff --git a/libstdc++-v3/testsuite/17_intro/headers/c++1998/operator_names.cc b/libstdc++-v3/testsuite/17_intro/headers/c++1998/operator_names.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d1d01db99c4a40e514ad4d93c317903a0b80ed49
--- /dev/null
+++ b/libstdc++-v3/testsuite/17_intro/headers/c++1998/operator_names.cc
@@ -0,0 +1,28 @@
+// { dg-do compile }
+// { dg-options "-fno-operator-names" }
+
+// Copyright (C) 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 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/>.
+
+// Avoid using PCH
+#include <cerrno>
+#include <bits/stdc++.h>
+#include <bits/stdtr1c++.h>
+#include <bits/extc++.h>
+
+int or, xor, and;
+