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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, 80 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/20_util/add_lvalue_reference/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/20_util/add_lvalue_reference/requirements/explicit_instantiation.cc
new file mode 100644
index 000000000..aa1dc3759
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/add_lvalue_reference/requirements/explicit_instantiation.cc
@@ -0,0 +1,31 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+// 2007-06-02  Paolo Carlini  <pcarlini@suse.de>
+
+// 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 <type_traits>
+
+namespace std
+{
+  typedef short test_type;
+  template struct add_lvalue_reference<test_type>;
+}
diff --git a/libstdc++-v3/testsuite/20_util/add_lvalue_reference/value.cc b/libstdc++-v3/testsuite/20_util/add_lvalue_reference/value.cc
new file mode 100644
index 000000000..189f4457b
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/add_lvalue_reference/value.cc
@@ -0,0 +1,49 @@
+// { dg-options "-std=gnu++0x" }
+// 2007-06-02  Paolo Carlini  <pcarlini@suse.de>
+//
+// 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/>.
+
+#include <type_traits>
+#include <testsuite_hooks.h>
+#include <testsuite_tr1.h>
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  using std::add_lvalue_reference;
+  using std::is_same;
+  using namespace __gnu_test;
+
+  VERIFY( (is_same<add_lvalue_reference<int>::type, int&>::value) );
+  VERIFY( (is_same<add_lvalue_reference<int&>::type, int&>::value) );
+  VERIFY( (is_same<add_lvalue_reference<const int>::type, const int&>::value) );
+  VERIFY( (is_same<add_lvalue_reference<int*>::type, int*&>::value) );
+  VERIFY( (is_same<add_lvalue_reference<ClassType&>::type, ClassType&>::value) );
+  VERIFY( (is_same<add_lvalue_reference<ClassType>::type, ClassType&>::value) );
+  VERIFY( (is_same<add_lvalue_reference<int(int)>::type, int(&)(int)>::value) );  
+  VERIFY( (is_same<add_lvalue_reference<int&&>::type, int&>::value) );
+  VERIFY( (is_same<add_lvalue_reference<ClassType&&>::type, ClassType&>::value) );
+  VERIFY( (is_same<add_lvalue_reference<void>::type, void>::value) );
+  VERIFY( (is_same<add_lvalue_reference<const void>::type, const void>::value) );  
+}
+
+int main()
+{
+  test01();
+  return 0;
+}