obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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3 files changed, 89 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/22_locale/collate/requirements/base_classes.cc b/libstdc++-v3/testsuite/22_locale/collate/requirements/base_classes.cc
new file mode 100644
index 000000000..b7aa9a66f
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/collate/requirements/base_classes.cc
@@ -0,0 +1,32 @@
+// { dg-do compile }
+// 2001-08-15  Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2009 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
+// 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/>.
+
+// 22.2.4 The collate category
+
+#include <locale>
+
+void test01()
+{
+  // Check for required base class.
+  typedef std::collate<char> test_type;
+  typedef std::locale::facet base_type;
+  const test_type& obj = std::use_facet<test_type>(std::locale()); 
+  const base_type* base __attribute__((unused)) = &obj;
+}
diff --git a/libstdc++-v3/testsuite/22_locale/collate/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/22_locale/collate/requirements/explicit_instantiation.cc
new file mode 100644
index 000000000..fdfbcc5a9
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/collate/requirements/explicit_instantiation.cc
@@ -0,0 +1,26 @@
+// { dg-do compile }
+// 2001-08-15  Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2009 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
+// 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/>.
+
+// 22.2.4 The collate category
+
+#include <locale>
+
+// Should be able to instantiate this for other types besides char, wchar_t
+template class std::collate<unsigned char>;
diff --git a/libstdc++-v3/testsuite/22_locale/collate/requirements/typedefs.cc b/libstdc++-v3/testsuite/22_locale/collate/requirements/typedefs.cc
new file mode 100644
index 000000000..51472b945
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/collate/requirements/typedefs.cc
@@ -0,0 +1,31 @@
+// { dg-do compile }
+// 2001-08-15  Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2009 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
+// 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/>.
+
+// 22.2.4 The collate category
+
+#include <locale>
+
+void test01()
+{
+  // Check for required typedefs
+  typedef std::collate<char> test_type;
+  typedef test_type::char_type char_type;
+  typedef test_type::string_type string_type;
+}