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diff --git a/libstdc++-v3/testsuite/23_containers/list/operations/35969.cc b/libstdc++-v3/testsuite/23_containers/list/operations/35969.cc
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+++ b/libstdc++-v3/testsuite/23_containers/list/operations/35969.cc
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+// Copyright (C) 2008 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 23.2.2.4 list operations [lib.list.ops]
+
+// { dg-options "-D_GLIBCXX_DEBUG" }
+
+#include <list>
+#include <functional>
+
+// libstdc++/35969
+void test01()
+{
+  {
+    std::list<int> list1;
+    std::list<int> list2;
+
+    for(int i = 0; i < 10; ++i)
+      {
+	list1.push_back(i);
+	list2.push_back(10 - i);
+      }
+
+    list1.sort();
+    list2.sort();
+
+    std::list<int>::iterator node_of_interest = list2.begin();
+
+    list1.splice(list1.begin(), list2, node_of_interest);
+    list2.splice(list2.begin(), list1, node_of_interest);
+
+    list1.merge(list2);
+
+    list2.splice(list2.begin(), list1, node_of_interest);
+  }
+
+  {
+    std::list<int> list1;
+    std::list<int> list2;
+
+    for(int i = 0; i < 10; ++i)
+      {
+	list1.push_back(i);
+	list2.push_back(10 - i);
+      }
+
+    list1.sort();
+    list2.sort();
+
+    std::list<int>::iterator node_of_interest = list2.begin();
+
+    list1.splice(list1.begin(), list2, node_of_interest);
+    list2.splice(list2.begin(), list1, node_of_interest);
+
+    list1.merge(list2, std::less<int>());
+
+    list2.splice(list2.begin(), list1, node_of_interest);
+  }
+}
+
+int main()
+{
+  test01();
+  return 0;
+}