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+// 2005-08-29  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/>.
+
+#include <vector>
+#include <testsuite_hooks.h>
+
+// libstdc++/23578
+void test01() 
+{ 
+  bool test __attribute__((unused)) = true;
+  typedef std::vector<int> vector_type;
+
+  {
+    const int A[] = { 0, 1, 2, 3, 4 };    
+    vector_type v(A, A + 5);
+    VERIFY( v.data() == &v.front() );
+    int* pi = v.data();
+    VERIFY( *pi == 0 );
+  }
+
+  {
+    const int A[] = { 4, 3, 2, 1, 0 };    
+    const vector_type cv(A, A + 5);
+    VERIFY( cv.data() == &cv.front() );
+    const int* pci = cv.data();
+    VERIFY( *pci == 4 );
+  }
+}
+
+int main()
+{
+  test01();
+  return 0;
+}