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diff --git a/libstdc++-v3/testsuite/23_containers/unordered_map/erase/24061-map.cc b/libstdc++-v3/testsuite/23_containers/unordered_map/erase/24061-map.cc
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+++ b/libstdc++-v3/testsuite/23_containers/unordered_map/erase/24061-map.cc
@@ -0,0 +1,105 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2010-02-10 Paolo Carlini <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2010 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/>.
+
+#include <unordered_map>
+#include <string>
+#include <testsuite_hooks.h>
+
+// libstdc++/24061
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ typedef std::unordered_map<std::string, int> Map;
+ typedef Map::iterator iterator;
+ typedef Map::const_iterator const_iterator;
+ typedef Map::value_type value_type;
+
+ Map m1;
+
+ m1.insert(value_type("all the love in the world", 1));
+ m1.insert(value_type("you know what you are?", 2));
+ m1.insert(value_type("the collector", 3));
+ m1.insert(value_type("the hand that feeds", 4));
+ m1.insert(value_type("love is not enough", 5));
+ m1.insert(value_type("every day is exactly the same", 6));
+ m1.insert(value_type("with teeth", 7));
+ m1.insert(value_type("only", 8));
+ m1.insert(value_type("getting smaller", 9));
+ m1.insert(value_type("sunspots", 10));
+ VERIFY( m1.size() == 10 );
+
+ iterator it1 = m1.begin();
+ ++it1;
+ iterator it2 = it1;
+ ++it2;
+ iterator it3 = m1.erase(it1);
+ VERIFY( m1.size() == 9 );
+ VERIFY( it3 == it2 );
+ VERIFY( *it3 == *it2 );
+
+ iterator it4 = m1.begin();
+ ++it4;
+ ++it4;
+ ++it4;
+ iterator it5 = it4;
+ ++it5;
+ ++it5;
+ iterator it6 = m1.erase(it4, it5);
+ VERIFY( m1.size() == 7 );
+ VERIFY( it6 == it5 );
+ VERIFY( *it6 == *it5 );
+
+ const_iterator it7 = m1.begin();
+ ++it7;
+ ++it7;
+ ++it7;
+ const_iterator it8 = it7;
+ ++it8;
+ const_iterator it9 = m1.erase(it7);
+ VERIFY( m1.size() == 6 );
+ VERIFY( it9 == it8 );
+ VERIFY( *it9 == *it8 );
+
+ const_iterator it10 = m1.begin();
+ ++it10;
+ const_iterator it11 = it10;
+ ++it11;
+ ++it11;
+ ++it11;
+ ++it11;
+ const_iterator it12 = m1.erase(it10, it11);
+ VERIFY( m1.size() == 2 );
+ VERIFY( it12 == it11 );
+ VERIFY( *it12 == *it11 );
+ VERIFY( ++it12 == m1.end() );
+
+ iterator it13 = m1.erase(m1.begin(), m1.end());
+ VERIFY( m1.size() == 0 );
+ VERIFY( it13 == it12 );
+ VERIFY( it13 == m1.begin() );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}