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
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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, 117 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/27_io/basic_stringstream/requirements/base_classes.cc b/libstdc++-v3/testsuite/27_io/basic_stringstream/requirements/base_classes.cc
new file mode 100644
index 000000000..a68f5eb1d
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_stringstream/requirements/base_classes.cc
@@ -0,0 +1,44 @@
+// { dg-do compile }
+// 2003-03-26 B enjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2003, 2009 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/>.
+
+// 27.8.1.1 - Template class basic_filebuf 
+
+#include <iostream>
+#include <sstream>
+
+void test01()
+{
+  // Check for required base class.
+  typedef std::stringstream test_type;
+  typedef std::iostream base_type;
+  const test_type& obj = *new test_type();
+  const base_type* base __attribute__((unused)) = &obj;
+}
+
+// more surf!!!
+
+
+
+
+
+
+
+
+
diff --git a/libstdc++-v3/testsuite/27_io/basic_stringstream/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/27_io/basic_stringstream/requirements/explicit_instantiation.cc
new file mode 100644
index 000000000..ae134cd62
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_stringstream/requirements/explicit_instantiation.cc
@@ -0,0 +1,35 @@
+// { dg-do compile }
+// 2002-07-25 Benjamin Kosnik <bkoz@redhat.com>
+
+// Copyright (C) 2002, 2003, 2004, 2005, 2009 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/>.
+
+
+// 27.7.4 - Template class basic_stringstream
+// NB: This file is for testing basic_stringstream with NO OTHER INCLUDES.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+#include <testsuite_character.h>
+
+namespace std
+{
+  using __gnu_test::pod_char;
+  typedef short type_t;
+  template class basic_stringstream<type_t, char_traits<type_t> >;
+  template class basic_stringstream<pod_char, char_traits<pod_char> >;
+} // std
diff --git a/libstdc++-v3/testsuite/27_io/basic_stringstream/requirements/typedefs.cc b/libstdc++-v3/testsuite/27_io/basic_stringstream/requirements/typedefs.cc
new file mode 100644
index 000000000..1fa4eb718
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_stringstream/requirements/typedefs.cc
@@ -0,0 +1,38 @@
+// { dg-do compile }
+// 2002-07-25 Benjamin Kosnik <bkoz@redhat.com>
+
+// Copyright (C) 2002, 2003, 2009 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/>.
+
+
+// 27.7.4 - Template class basic_stringstream
+// NB: This file is for testing basic_stringstream with NO OTHER INCLUDES.
+
+#include <sstream>
+#include <testsuite_hooks.h>
+
+// libstdc++/7216
+void test01()
+{
+  // Check for required typedefs
+  typedef std::stringstream test_type;
+  typedef test_type::char_type char_type;
+  typedef test_type::traits_type traits_type;
+  typedef test_type::int_type int_type;
+  typedef test_type::pos_type pos_type;
+  typedef test_type::off_type off_type;
+}