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diff --git a/libstdc++-v3/testsuite/23_containers/bitset/cons/1.cc b/libstdc++-v3/testsuite/23_containers/bitset/cons/1.cc
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+++ b/libstdc++-v3/testsuite/23_containers/bitset/cons/1.cc
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+// 1999-06-08 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 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/>.
+
+// 23.3.5.1 bitset constructors
+
+#include <string>
+#include <bitset>
+#include <algorithm> // std::reverse
+#include <stdexcept>
+#include <testsuite_hooks.h>
+
+bool test01(void)
+{
+  bool test __attribute__((unused)) = true;
+
+  // bitset()
+  const size_t n1 = 5;
+  std::bitset<n1> bit01;
+  for (size_t i = 0; i < n1; ++i)
+    VERIFY( !bit01.test(i) );
+
+  // bitset(unsigned long)
+  const size_t n2 = 32;
+  unsigned long ul1 = 2;
+  std::bitset<n2> bit02(ul1);
+  VERIFY( !bit02.test(0) );
+  VERIFY( bit02.test(1) );
+  VERIFY( !bit02.test(2) );
+
+  // template<_CharT, _Traits, _Alloc>
+  // explicit bitset(const basic_string<_C,_T,_A>&, size_type pos, size_type n)
+  std::string str01("stuff smith sessions");
+  const size_t n3 = 128;
+  try {
+    std::bitset<n3> bit03(str01, 5);
+  }
+  catch(std::invalid_argument& fail) {
+    VERIFY( true );
+  }
+  catch(...) {
+    VERIFY( false );
+  }
+
+  std::string str02("010101000011");
+  int sz = str02.size();
+  try {
+    std::bitset<n3> bit03(str02, 0);
+    std::string str03;
+    for (int i = 0; i < sz; ++i)
+      str03 += (bit03.test(i) ? '1' : '0');
+    std::reverse(str03.begin(), str03.end());
+    VERIFY( str03 == str02 );
+  }
+  catch(std::invalid_argument& fail) {
+    VERIFY( false );
+  }
+  catch(...) {
+    VERIFY( false );
+  }
+  return test;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}