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',
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1 files changed, 83 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/27_io/basic_ios/imbue/14072.cc b/libstdc++-v3/testsuite/27_io/basic_ios/imbue/14072.cc
new file mode 100644
index 000000000..823d620f0
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_ios/imbue/14072.cc
@@ -0,0 +1,83 @@
+// 2004-02-09  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2004, 2005, 2006, 2007, 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/>.
+
+
+// 27.4.4.2 basic_ios member functions
+
+#include <sstream>
+#include <locale>
+#include <typeinfo>
+#include <testsuite_hooks.h>
+#include <testsuite_character.h>
+
+// libstdc++/14072
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+
+  locale loc;
+  loc = locale(loc, new ctype<__gnu_test::pod_uchar>());
+  loc = locale(loc, new num_get<__gnu_test::pod_uchar>());
+  loc = locale(loc, new num_put<__gnu_test::pod_uchar>());
+	
+  locale::global(loc);
+  basic_stringstream<__gnu_test::pod_uchar> s;
+  s << "10\n";
+  s.seekg(0, ios_base::beg);
+  s.imbue(locale::classic());
+  locale::global(locale::classic());
+  loc = locale::classic();
+	
+  try
+    {
+      s.widen('\0');
+    }
+  catch (bad_cast&)
+    {
+    }
+  
+  s.clear();
+  
+  try
+    {
+      int i = 0;
+      s << i;
+    }
+  catch (bad_cast&)
+    {
+    }
+
+  s.clear();
+
+  try
+    {
+      int i = 0;
+      s >> i;
+    }
+  catch (bad_cast&)
+    {
+    }
+}
+
+int main()
+{
+  test01();
+  return 0;
+}