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diff --git a/libstdc++-v3/testsuite/ext/new_allocator/deallocate_global.cc b/libstdc++-v3/testsuite/ext/new_allocator/deallocate_global.cc
new file mode 100644
index 00000000..014141bf
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/new_allocator/deallocate_global.cc
@@ -0,0 +1,70 @@
+//
+// Copyright (C) 2004, 2005, 2006, 2007, 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/>.
+
+// 20.4.1.1 allocator members
+
+#include <string>
+#include <stdexcept>
+#include <cstdlib>
+#include <cstdio>
+#include <ext/new_allocator.h>
+
+static size_t count;
+
+struct count_check
+{
+  count_check() { }
+  ~count_check()
+  {
+    if (count != 0)
+      throw std::runtime_error("allocation/deallocation count isn't zero");
+  }
+};
+ 
+static count_check check;
+
+void* operator new(size_t size) throw(std::bad_alloc)
+{
+  std::printf("operator new is called \n");
+  void* p = std::malloc(size);
+  if (p == NULL)
+    throw std::bad_alloc();
+  count++;
+  return p;
+}
+ 
+void operator delete(void* p) throw()
+{
+  std::printf("operator delete is called \n");
+  if (p == NULL)
+    return;
+  count--;
+}
+
+typedef char char_t;
+typedef std::char_traits<char_t> traits_t;
+typedef __gnu_cxx::new_allocator<char_t> allocator_t;
+typedef std::basic_string<char_t, traits_t, allocator_t> string_t;
+
+string_t s("bayou bend");
+
+int main()
+{
+  return 0;
+}