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diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/cons/alloc.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/cons/alloc.cc
new file mode 100644
index 00000000..4a4be9a6
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/cons/alloc.cc
@@ -0,0 +1,103 @@
+// { dg-options "-std=gnu++0x" }
+
+// 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_hooks.h>
+#include <testsuite_allocator.h>
+
+using __gnu_test::tracker_allocator_counter;
+using __gnu_test::tracker_allocator;
+
+struct A { };
+void deletefunc(A* p) { delete p; }
+struct D
+{
+  void operator()(A* p) { delete p; ++delete_count; }
+  static long delete_count;
+};
+long D::delete_count = 0;
+
+// 20.6.6.2.1 shared_ptr constructors [util.smartptr.shared.const]
+
+// Construction with allocator
+int
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  tracker_allocator_counter::reset();
+
+  std::shared_ptr<A> p1(new A, deletefunc, tracker_allocator<A>());
+  std::size_t const sz = tracker_allocator_counter::get_allocation_count();
+  VERIFY( sz > 0 );
+  {
+    std::shared_ptr<A> p2(p1);
+    VERIFY( p2.use_count() == 2 );
+    VERIFY( tracker_allocator_counter::get_allocation_count() == sz );
+    VERIFY( tracker_allocator_counter::get_deallocation_count() == 0 );
+  }
+  VERIFY( p1.use_count() == 1 );
+  VERIFY( tracker_allocator_counter::get_allocation_count() == sz );
+  VERIFY( tracker_allocator_counter::get_deallocation_count() == 0 );
+  p1.reset();
+  VERIFY( p1.use_count() == 0 );
+  VERIFY( tracker_allocator_counter::get_allocation_count() == sz );
+  VERIFY( tracker_allocator_counter::get_deallocation_count() == sz );
+
+  return 0;
+}
+
+// Construction with allocator
+int
+test02()
+{
+  bool test __attribute__((unused)) = true;
+  tracker_allocator_counter::reset();
+
+  std::shared_ptr<A> p1(new A, deletefunc, tracker_allocator<A>());
+  std::size_t const sz1 = tracker_allocator_counter::get_allocation_count();
+  VERIFY( sz1 > 0 );
+  std::shared_ptr<A> p2(new A, D(), tracker_allocator<A>());
+  std::size_t const sz2 = tracker_allocator_counter::get_allocation_count();
+  VERIFY( sz2 > sz1 );
+  VERIFY( tracker_allocator_counter::get_deallocation_count() == 0 );
+  p1 = p2;
+  VERIFY( p2.use_count() == 2 );
+  VERIFY( tracker_allocator_counter::get_allocation_count() == sz2 );
+  VERIFY( tracker_allocator_counter::get_deallocation_count() == sz1 );
+  p1.reset();
+  VERIFY( p2.use_count() == 1 );
+  VERIFY( tracker_allocator_counter::get_allocation_count() == sz2 );
+  VERIFY( tracker_allocator_counter::get_deallocation_count() == sz1 );
+  p2.reset();
+  VERIFY( tracker_allocator_counter::get_allocation_count() == sz2 );
+  VERIFY( tracker_allocator_counter::get_deallocation_count() == sz2 );
+  VERIFY( D::delete_count == 1 );
+
+  return 0;
+}
+
+int
+main()
+{
+  test01();
+  test02();
+  return 0;
+}