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diff --git a/libstdc++-v3/testsuite/thread/pthread4.cc b/libstdc++-v3/testsuite/thread/pthread4.cc
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+++ b/libstdc++-v3/testsuite/thread/pthread4.cc
@@ -0,0 +1,97 @@
+// 2002-01-23  Loren J. Rittle <rittle@labs.mot.com> <ljrittle@acm.org>
+// Adapted from http://gcc.gnu.org/ml/gcc-bugs/2002-01/msg00679.html
+// which was adapted from pthread1.cc by Mike Lu <MLu@dynamicsoft.com>
+//
+// Copyright (C) 2002 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// { dg-do run { target *-*-freebsd* *-*-linux* *-*-solaris* } }
+// { dg-options "-pthread" { target *-*-freebsd* *-*-linux* } }
+// { dg-options "-pthreads" { target *-*-solaris* } }
+
+#include <string>
+#include <list>
+
+// Do not include <pthread.h> explicitly; if threads are properly
+// configured for the port, then it is picked up free from STL headers.
+
+#if __GTHREADS
+using namespace std;
+
+static list<string> foo;
+static pthread_mutex_t fooLock = PTHREAD_MUTEX_INITIALIZER;
+static unsigned max_size = 10;
+static int iters = 1000000;
+
+void*
+produce (void*)
+{
+  for (int num = 0; num < iters; )
+    {
+      string str ("test string");
+
+      pthread_mutex_lock (&fooLock);
+      if (foo.size () < max_size)
+	{
+	  foo.push_back (str);
+	  num++;
+	}
+      pthread_mutex_unlock (&fooLock);
+    }
+
+  return 0;
+}
+
+void*
+consume (void*)
+{
+  for (int num = 0; num < iters; )
+    {
+      pthread_mutex_lock (&fooLock);
+      while (foo.size () > 0)
+	{
+	  string str = foo.back ();
+	  foo.pop_back ();
+	  num++;
+	}
+      pthread_mutex_unlock (&fooLock);
+    }
+
+  return 0;
+}
+
+int
+main (void)
+{
+#if defined(__sun) && defined(__svr4__)
+  pthread_setconcurrency (2);
+#endif
+
+  pthread_t prod;
+  pthread_create (&prod, NULL, produce, NULL);
+  pthread_t cons;
+  pthread_create (&cons, NULL, consume, NULL);
+
+  pthread_join (prod, NULL);
+  pthread_join (cons, NULL);
+
+  return 0;
+}
+#else
+int main (void) {}
+#endif