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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2 files changed, 85 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/tr1/4_metaprogramming/remove_extent/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/tr1/4_metaprogramming/remove_extent/requirements/explicit_instantiation.cc
new file mode 100644
index 000000000..dd15bcbe4
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/4_metaprogramming/remove_extent/requirements/explicit_instantiation.cc
@@ -0,0 +1,33 @@
+// { dg-do compile }
+// 2007-04-30 Benjamin Kosnik <bkoz@redhat.com>
+
+// Copyright (C) 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/>.
+
+
+// NB: This file is for testing type_traits with NO OTHER INCLUDES.
+
+#include <tr1/type_traits>
+
+namespace std
+{
+  namespace tr1
+  {
+    typedef short test_type;
+    template struct remove_extent<test_type>;
+  }
+}
diff --git a/libstdc++-v3/testsuite/tr1/4_metaprogramming/remove_extent/value.cc b/libstdc++-v3/testsuite/tr1/4_metaprogramming/remove_extent/value.cc
new file mode 100644
index 000000000..322aa2d89
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/4_metaprogramming/remove_extent/value.cc
@@ -0,0 +1,52 @@
+// 2004-12-09  Paolo Carlini  <pcarlini@suse.de>
+//
+// Copyright (C) 2004, 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/>.
+
+// 4.7.3 Array modifications
+
+#include <tr1/type_traits>
+#include <testsuite_hooks.h>
+#include <testsuite_tr1.h>
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  using std::tr1::remove_extent;
+  using std::tr1::is_same;
+  using namespace __gnu_test;
+
+  VERIFY( (is_same<remove_extent<int>::type, int>::value) );
+  VERIFY( (is_same<remove_extent<int[2]>::type, int>::value) );
+  VERIFY( (is_same<remove_extent<int[2][3]>::type, int[3]>::value) );
+  VERIFY( (is_same<remove_extent<int[][3]>::type, int[3]>::value) );
+  VERIFY( (is_same<remove_extent<const int[2]>::type, const int>::value) );
+  VERIFY( (is_same<remove_extent<ClassType>::type, ClassType>::value) );
+  VERIFY( (is_same<remove_extent<ClassType[2]>::type, ClassType>::value) );
+  VERIFY( (is_same<remove_extent<ClassType[2][3]>::type,
+	   ClassType[3]>::value) );
+  VERIFY( (is_same<remove_extent<ClassType[][3]>::type,
+	   ClassType[3]>::value) );
+  VERIFY( (is_same<remove_extent<const ClassType[2]>::type,
+	   const ClassType>::value) );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}