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diff --git a/libstdc++-v3/testsuite/23_containers/multiset/invalidation/2.cc b/libstdc++-v3/testsuite/23_containers/multiset/invalidation/2.cc
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+// Multiset iterator invalidation tests
+
+// Copyright (C) 2003, 2004, 2005, 2006, 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
+// .
+
+#include
+#include
+#include
+
+using __gnu_debug::multiset;
+using std::advance;
+
+// Erase
+void test02()
+{
+ bool test __attribute__((unused)) = true;
+ multiset v;
+ for (int i = 0; i < 20; ++i)
+ v.insert(i);
+
+ // Single element erase (middle)
+ multiset::iterator before = v.begin();
+ multiset::iterator at = before;
+ advance(at, 3);
+ multiset::iterator after = at;
+ ++after;
+ v.erase(at);
+ VERIFY(before._M_dereferenceable());
+ VERIFY(at._M_singular());
+ VERIFY(after._M_dereferenceable());
+
+ // Multiple element erase
+ before = v.begin();
+ at = before;
+ advance(at, 3);
+ after = at;
+ advance(after, 4);
+ v.erase(at, after);
+ VERIFY(before._M_dereferenceable());
+ VERIFY(at._M_singular());
+
+ // clear()
+ before = v.begin();
+ multiset::iterator finish = v.end();
+ VERIFY(before._M_dereferenceable());
+ v.clear();
+ VERIFY(before._M_singular());
+ VERIFY(!finish._M_singular() && !finish._M_dereferenceable());
+}
+
+int main()
+{
+ test02();
+ return 0;
+}