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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2 files changed, 65 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/requirements/explicit_instantiation/1.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/requirements/explicit_instantiation/1.cc
new file mode 100644
index 000000000..0f2d2c366
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/requirements/explicit_instantiation/1.cc
@@ -0,0 +1,31 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2006, 2007, 2009 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/>.
+
+// 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
+
+#include <memory>
+#include <testsuite_tr1.h>
+
+using namespace __gnu_test;
+using std::shared_ptr;
+template class shared_ptr<int>;
+template class shared_ptr<void>;
+template class shared_ptr<ClassType>;
+template class shared_ptr<IncompleteClass>;
diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/requirements/explicit_instantiation/2.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/requirements/explicit_instantiation/2.cc
new file mode 100644
index 000000000..781657cb0
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/requirements/explicit_instantiation/2.cc
@@ -0,0 +1,34 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2007, 2009 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/>.
+
+// 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
+
+#include <memory>
+#include <testsuite_tr1.h>
+
+// Check the _S_single lock policy can be instantiated. For a thread-enabled
+// library this checks the templates can be instantiated for non-default
+// lock policy, for a single-threaded lib this is redundant but harmless.
+using namespace __gnu_test;
+using std::__shared_ptr;
+using std::_S_single;
+template class __shared_ptr<int, _S_single>;
+template class __shared_ptr<ClassType, _S_single>;
+template class __shared_ptr<IncompleteClass, _S_single>;