--- /dev/null
+// Copyright (C) 2008, 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/>.
+
+// 23.2.2.4 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;
+}