--- /dev/null
+// 2005-09-12 Paolo Carlini <pcarlini@suse.de>
+//
+// Copyright (C) 2005, 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/>.
+//
+
+// { dg-do compile }
+
+#include <vector>
+
+struct T
+{
+ typedef std::vector<int> Vector;
+ typedef Vector::iterator iterator;
+ typedef Vector::const_iterator const_iterator;
+
+ int t(iterator f) { return *f; }
+ int t(const_iterator f) const { return *f; }
+};
+
+// libstdc++/23767
+void f()
+{
+ std::vector<int> v;
+ T t;
+ T::const_iterator i = v.begin();
+
+ t.t(i);
+}