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diff --git a/libstdc++-v3/testsuite/ext/mt_allocator/deallocate_local_thread-3.cc b/libstdc++-v3/testsuite/ext/mt_allocator/deallocate_local_thread-3.cc
new file mode 100644
index 00000000..38977c56
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/mt_allocator/deallocate_local_thread-3.cc
@@ -0,0 +1,77 @@
+//
+// 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
+// .
+
+// 20.4.1.1 allocator members
+
+#include
+#include
+#include
+#include
+
+static size_t count;
+
+struct count_check
+{
+ count_check() { }
+ ~count_check()
+ {
+ // NB: __mt_allocator doesn't clean itself up. Thus, this will not
+ // be zero.
+ if (count != 0)
+ {
+ //throw std::runtime_error("allocation/deallocation count isn't zero");
+ printf("allocation/deallocation count is %zu \n", count);
+ }
+ }
+};
+
+static count_check check;
+
+void* operator new(size_t size) throw(std::bad_alloc)
+{
+ printf("operator new is called \n");
+ void* p = malloc(size);
+ if (p == NULL)
+ throw std::bad_alloc();
+ count++;
+ return p;
+}
+
+void operator delete(void* p) throw()
+{
+ printf("operator delete is called \n");
+ if (p == NULL)
+ return;
+ count--;
+}
+
+typedef char value_type;
+typedef std::char_traits traits_type;
+using __gnu_cxx::__pool;
+using __gnu_cxx::__per_type_pool_policy;
+typedef __per_type_pool_policy policy_type;
+typedef __gnu_cxx::__mt_alloc allocator_type;
+typedef std::basic_string string_type;
+
+int main()
+{
+ string_type s;
+ s += "bayou bend";
+ return 0;
+}