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diff --git a/libstdc++-v3/testsuite/backward/hash_map/1.cc b/libstdc++-v3/testsuite/backward/hash_map/1.cc
new file mode 100644
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+++ b/libstdc++-v3/testsuite/backward/hash_map/1.cc
@@ -0,0 +1,105 @@
+// { dg-options "-Wno-deprecated" }
+
+// Copyright (C) 2002, 2005, 2007, 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/>.
+
+// hash_map (SGI extension)
+
+#include <cstdlib>
+#include <string>
+#include <hash_map>
+#include <testsuite_hooks.h>
+
+namespace __gnu_cxx 
+{
+  using std::string;
+
+  inline size_t hash_string(const char* s)
+  {
+    unsigned long h; 
+    for (h=0; *s; ++s) {
+      h = 5*h + *s;
+    }
+    return size_t(h);
+  }
+
+  template<class T> struct hash<T *>
+  {
+    size_t operator()(const T *const & s) const
+      { return reinterpret_cast<size_t>(s); }
+  };    
+  
+  template<> struct hash<string>
+  {
+    size_t operator()(const string &s) const { return hash_string(s.c_str()); }
+  };
+
+  template<> struct hash<const string>
+  {
+    size_t operator()(const string &s) const { return hash_string(s.c_str()); }
+  };
+
+  template<class T1, class T2> struct hash<pair<T1,T2> >
+  {
+    hash<T1> __fh;
+    hash<T2> __sh;
+    size_t operator()(const pair<T1,T2> &p) const { 
+      return __fh(p.first) ^ __sh(p.second);
+    }
+  };
+}
+
+void test01()
+{
+  const int Size = 5;
+  bool test __attribute__((unused)) = true;
+
+  using std::string;
+  using std::pair;
+  using std::vector;
+  using __gnu_cxx::hash_map;
+
+  for (int i = 0; i < 10; i++)
+  {
+    hash_map<string, int> a;
+    hash_map<string, int> b;
+    
+    vector<pair<string, int> > contents (Size);
+    for (int j = 0; j < Size; j++)
+    {
+      string s;
+      for (int k = 0; k < 10; k++)
+      {
+        s += 'a' + (rand() % 26);
+      }
+      contents[j] = make_pair(s,j);
+    }
+    for (int j = 0; j < Size; j++)
+    {
+      a[contents[j].first] = contents[j].second;
+      int k = Size - 1 - j;
+      b[contents[k].first] = contents[k].second;
+    }
+    VERIFY( a == b );
+  }
+}
+
+int main()
+{
+  test01();
+  return 0;
+}