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, 132 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/tr1/2_general_utilities/shared_ptr/dest/dest.cc b/libstdc++-v3/testsuite/tr1/2_general_utilities/shared_ptr/dest/dest.cc
new file mode 100644
index 000000000..037efc587
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/2_general_utilities/shared_ptr/dest/dest.cc
@@ -0,0 +1,132 @@
+// Copyright (C) 2005, 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/>.
+
+// TR1 2.2.2 Template class shared_ptr [tr.util.smartptr.shared]
+
+#include <tr1/memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+  A() { ++ctor_count; }
+  ~A() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+  B() { ++ctor_count; }
+  ~B() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+struct D
+{
+  void operator()(const B* p) { delete p; ++delete_count; }
+  static long delete_count;
+};
+long D::delete_count = 0;
+
+struct reset_count_struct
+{
+  ~reset_count_struct()
+  {
+    A::ctor_count = 0;
+    A::dtor_count = 0;
+    B::ctor_count = 0;
+    B::dtor_count = 0;
+    D::delete_count = 0;
+  }
+};
+
+
+// 2.2.3.2 shared_ptr destructor [tr.util.smartptr.shared.dest]
+
+// empty shared_ptr
+int
+test01()
+{
+  reset_count_struct __attribute__((unused)) reset;
+  bool test __attribute__((unused)) = true;
+
+  {
+    std::tr1::shared_ptr<A> a;
+  }
+  VERIFY( A::ctor_count == 0 );
+  VERIFY( A::dtor_count == 0 );
+  VERIFY( B::ctor_count == 0 );
+  VERIFY( B::dtor_count == 0 );
+  VERIFY( D::delete_count == 0 );
+
+  return 0;
+}
+
+// shared ownership
+int
+test02()
+{
+  reset_count_struct __attribute__((unused)) reset;
+  bool test __attribute__((unused)) = true;
+
+  std::tr1::shared_ptr<A> a;
+  {
+    a = std::tr1::shared_ptr<A>(new B, D());
+  }
+  VERIFY( A::ctor_count == 1 );
+  VERIFY( A::dtor_count == 0 );
+  VERIFY( B::ctor_count == 1 );
+  VERIFY( B::dtor_count == 0 );
+  VERIFY( D::delete_count == 0 );
+
+  return 0;
+}
+
+// exclusive ownership
+int
+test03()
+{
+  reset_count_struct __attribute__((unused)) reset;
+  bool test __attribute__((unused)) = true;
+
+  {
+    std::tr1::shared_ptr<A> a1(new B);
+    std::tr1::shared_ptr<A> a2(new B, D());
+  }
+  VERIFY( A::ctor_count == 2 );
+  VERIFY( A::dtor_count == 2 );
+  VERIFY( B::ctor_count == 2 );
+  VERIFY( B::dtor_count == 2 );
+  VERIFY( D::delete_count == 1 );
+
+  return 0;
+}
+
+
+int
+main()
+{
+  test01();
+  test02();
+  test03();
+  return 0;
+}