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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1 files changed, 57 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/22_locale/ctype_base/mask.cc b/libstdc++-v3/testsuite/22_locale/ctype_base/mask.cc
new file mode 100644
index 000000000..f503ce7f4
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/ctype_base/mask.cc
@@ -0,0 +1,57 @@
+// { dg-do compile }
+// 1999-08-24 bkoz
+
+// Copyright (C) 1999, 2000, 2003, 2009, 2010 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/>.
+
+// 22.2.1 The ctype category
+
+// 1: Test that the locale headers are picking up the correct declaration
+// of the internal type `ctype_base::mask'.
+int mask ();
+
+#include <locale>
+
+// 2: Sanity check ctype_base::mask bitmask requirements
+void
+test01()
+{
+  using namespace std;
+
+  ctype_base::mask m01;
+  ctype_base::mask m02;
+  ctype_base::mask res;
+
+  m01 = ctype_base::space;
+  m02 = ctype_base::xdigit;
+
+  res = m01 & m02;
+  res = m01 | m02;
+  res = m01 ^ m02;
+  res = ~m01;
+  res = res; // Suppress unused warning.
+
+  m01 &= m02;
+  m01 |= m02;
+  m01 ^= m02;
+}
+
+int main() 
+{ 
+  test01();
+  return 0;
+}