re PR libstdc++/41061 (Compile of program using std random fails.)

2009-08-14  Edward Smith-Rowland  <3dw4rd@verizon.net>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/41061
	* include/bits/random.h (operator<<(std::basic_ostream<>&,
	const std::lognormal_distribution<>&), 
	operator>>(std::basic_istream<>&, std::lognormal_distribution<>&),
	operator<<(std::basic_ostream<>&, const std::gamma_distribution<>&),
	operator>>(std::basic_istream<>&, std::gamma_distribution<>&),
	operator<<(std::basic_ostream<>&,
	const std::chi_squared_distribution<>&),
	operator>>(std::basic_istream<>&, std::chi_squared_distribution<>&),
	operator<<(std::basic_ostream<>&,
	const std::fisher_f_distribution<>&),
	operator>>(std::basic_istream<>&, std::fisher_f_distribution<>&),
	operator<<(std::basic_ostream<>&,
	const std::student_t_distribution<>&),
	operator>>(std::basic_istream<>&, std::student_t_distribution<>&),
	operator<<(std::basic_ostream<>&,
	const std::negative_binomial_distribution<>&)): Declare friend.
	* testsuite/26_numerics/random/uniform_real_distribution/operators/
	serialize.cc: New.
	* testsuite/26_numerics/random/piecewise_constant_distribution/
	operators/serialize.cc: Likewise.
	* testsuite/26_numerics/random/chi_squared_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/normal_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/uniform_int_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/poisson_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/bernoulli_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/discrete_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/weibull_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/negative_binomial_distribution/
	operators/serialize.cc: Likewise.
	* testsuite/26_numerics/random/cauchy_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/gamma_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/fisher_f_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/exponential_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/lognormal_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/binomial_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/extreme_value_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/piecewise_linear_distribution/
	operators/serialize.cc
	* testsuite/26_numerics/random/student_t_distribution/operators/
	serialize.cc: Likewise.
	* testsuite/26_numerics/random/geometric_distribution/operators/
	serialize.cc: Likewise.

Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>

From-SVN: r150783

22 files changed, 1174 insertions, 181 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index a48eb05..cde0934 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,6 +1,68 @@
 2009-08-14  Edward Smith-Rowland  <3dw4rd@verizon.net>
+	    Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR libstdc++/41061
+	* include/bits/random.h (operator<<(std::basic_ostream<>&,
+	const std::lognormal_distribution<>&), 
+	operator>>(std::basic_istream<>&, std::lognormal_distribution<>&),
+	operator<<(std::basic_ostream<>&, const std::gamma_distribution<>&),
+	operator>>(std::basic_istream<>&, std::gamma_distribution<>&),
+	operator<<(std::basic_ostream<>&,
+	const std::chi_squared_distribution<>&),
+	operator>>(std::basic_istream<>&, std::chi_squared_distribution<>&),
+	operator<<(std::basic_ostream<>&,
+	const std::fisher_f_distribution<>&),
+	operator>>(std::basic_istream<>&, std::fisher_f_distribution<>&),
+	operator<<(std::basic_ostream<>&,
+	const std::student_t_distribution<>&),
+	operator>>(std::basic_istream<>&, std::student_t_distribution<>&),
+	operator<<(std::basic_ostream<>&,
+	const std::negative_binomial_distribution<>&)): Declare friend.
+	* testsuite/26_numerics/random/uniform_real_distribution/operators/
+	serialize.cc: New.
+	* testsuite/26_numerics/random/piecewise_constant_distribution/
+	operators/serialize.cc: Likewise.
+	* testsuite/26_numerics/random/chi_squared_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/normal_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/uniform_int_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/poisson_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/bernoulli_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/discrete_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/weibull_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/negative_binomial_distribution/
+	operators/serialize.cc: Likewise.
+	* testsuite/26_numerics/random/cauchy_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/gamma_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/fisher_f_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/exponential_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/lognormal_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/binomial_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/extreme_value_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/piecewise_linear_distribution/
+	operators/serialize.cc
+	* testsuite/26_numerics/random/student_t_distribution/operators/
+	serialize.cc: Likewise.
+	* testsuite/26_numerics/random/geometric_distribution/operators/
+	serialize.cc: Likewise.
+
+2009-08-14  Edward Smith-Rowland  <3dw4rd@verizon.net>
 
-	* include/bits/stl_tree.h: Make erase return iterator as per DR 130.
+	* include/bits/stl_tree.h: In C++0x mode make erase return
+	an iterator as per DR 130.
 	* include/bits/stl_set.h: Same.
 	* include/bits/stl_multiset.h: Same.
 	* include/bits/stl_map.h: Same.
diff --git a/libstdc++-v3/include/bits/random.h b/libstdc++-v3/include/bits/random.h
index aa34fcc..06aa6f8 100644
--- a/libstdc++-v3/include/bits/random.h
+++ b/libstdc++-v3/include/bits/random.h
@@ -2039,42 +2039,42 @@ namespace std
 		   const param_type& __p)
         { return std::exp(__p.s() * _M_nd(__urng) + __p.m()); }
 
+      /**
+       * @brief Inserts a %lognormal_distribution random number distribution
+       * @p __x into the output stream @p __os.
+       *
+       * @param __os An output stream.
+       * @param __x  A %lognormal_distribution random number distribution.
+       *
+       * @returns The output stream with the state of @p __x inserted or in
+       * an error state.
+       */
+      template<typename _RealType1, typename _CharT, typename _Traits>
+	friend std::basic_ostream<_CharT, _Traits>&
+	operator<<(std::basic_ostream<_CharT, _Traits>&,
+		   const std::lognormal_distribution<_RealType1>&);
+
+      /**
+       * @brief Extracts a %lognormal_distribution random number distribution
+       * @p __x from the input stream @p __is.
+       *
+       * @param __is An input stream.
+       * @param __x A %lognormal_distribution random number
+       *            generator engine.
+       *
+       * @returns The input stream with @p __x extracted or in an error state.
+       */
+      template<typename _RealType1, typename _CharT, typename _Traits>
+	friend std::basic_istream<_CharT, _Traits>&
+	operator>>(std::basic_istream<_CharT, _Traits>&,
+		   std::lognormal_distribution<_RealType1>&);
+
     private:
       param_type _M_param;
 
       std::normal_distribution<result_type> _M_nd;
     };
 
-  /**
-   * @brief Inserts a %lognormal_distribution random number distribution
-   * @p __x into the output stream @p __os.
-   *
-   * @param __os An output stream.
-   * @param __x  A %lognormal_distribution random number distribution.
-   *
-   * @returns The output stream with the state of @p __x inserted or in
-   * an error state.
-   */
-  template<typename _RealType, typename _CharT, typename _Traits>
-    std::basic_ostream<_CharT, _Traits>&
-    operator<<(std::basic_ostream<_CharT, _Traits>&,
-	       const std::lognormal_distribution<_RealType>&);
-
-  /**
-   * @brief Extracts a %lognormal_distribution random number distribution
-   * @p __x from the input stream @p __is.
-   *
-   * @param __is An input stream.
-   * @param __x A %lognormal_distribution random number
-   *            generator engine.
-   *
-   * @returns The input stream with @p __x extracted or in an error state.
-   */
-  template<typename _RealType, typename _CharT, typename _Traits>
-    std::basic_istream<_CharT, _Traits>&
-    operator>>(std::basic_istream<_CharT, _Traits>&,
-	       std::lognormal_distribution<_RealType>&);
-
   
   /**
    * @brief A gamma continuous distribution for random numbers.
@@ -2198,41 +2198,41 @@ namespace std
 	operator()(_UniformRandomNumberGenerator& __urng,
 		   const param_type& __p);
 
+      /**
+       * @brief Inserts a %gamma_distribution random number distribution
+       * @p __x into the output stream @p __os.
+       *
+       * @param __os An output stream.
+       * @param __x  A %gamma_distribution random number distribution.
+       *
+       * @returns The output stream with the state of @p __x inserted or in
+       * an error state.
+       */
+      template<typename _RealType1, typename _CharT, typename _Traits>
+	friend std::basic_ostream<_CharT, _Traits>&
+	operator<<(std::basic_ostream<_CharT, _Traits>&,
+		   const std::gamma_distribution<_RealType1>&);
+
+      /**
+       * @brief Extracts a %gamma_distribution random number distribution
+       * @p __x from the input stream @p __is.
+       *
+       * @param __is An input stream.
+       * @param __x  A %gamma_distribution random number generator engine.
+       *
+       * @returns The input stream with @p __x extracted or in an error state.
+       */
+      template<typename _RealType1, typename _CharT, typename _Traits>
+	friend std::basic_istream<_CharT, _Traits>&
+	operator>>(std::basic_istream<_CharT, _Traits>&,
+		   std::gamma_distribution<_RealType1>&);
+
     private:
       param_type _M_param;
 
       std::normal_distribution<result_type> _M_nd;
     };
 
-  /**
-   * @brief Inserts a %gamma_distribution random number distribution
-   * @p __x into the output stream @p __os.
-   *
-   * @param __os An output stream.
-   * @param __x  A %gamma_distribution random number distribution.
-   *
-   * @returns The output stream with the state of @p __x inserted or in
-   * an error state.
-   */
-  template<typename _RealType, typename _CharT, typename _Traits>
-    std::basic_ostream<_CharT, _Traits>&
-    operator<<(std::basic_ostream<_CharT, _Traits>&,
-	       const std::gamma_distribution<_RealType>&);
-
-  /**
-   * @brief Extracts a %gamma_distribution random number distribution
-   * @p __x from the input stream @p __is.
-   *
-   * @param __is An input stream.
-   * @param __x  A %gamma_distribution random number generator engine.
-   *
-   * @returns The input stream with @p __x extracted or in an error state.
-   */
-  template<typename _RealType, typename _CharT, typename _Traits>
-    std::basic_istream<_CharT, _Traits>&
-    operator>>(std::basic_istream<_CharT, _Traits>&,
-	       std::gamma_distribution<_RealType>&);
-
 
   /**
    * @brief A chi_squared_distribution random number distribution.
@@ -2332,42 +2332,42 @@ namespace std
 	  return 2 * _M_gd(__urng, param_type(__p.n() / 2));
 	}
 
+      /**
+       * @brief Inserts a %chi_squared_distribution random number distribution
+       * @p __x into the output stream @p __os.
+       *
+       * @param __os An output stream.
+       * @param __x  A %chi_squared_distribution random number distribution.
+       *
+       * @returns The output stream with the state of @p __x inserted or in
+       * an error state.
+       */
+      template<typename _RealType1, typename _CharT, typename _Traits>
+	friend std::basic_ostream<_CharT, _Traits>&
+	operator<<(std::basic_ostream<_CharT, _Traits>&,
+		   const std::chi_squared_distribution<_RealType1>&);
+
+      /**
+       * @brief Extracts a %chi_squared_distribution random number distribution
+       * @p __x from the input stream @p __is.
+       *
+       * @param __is An input stream.
+       * @param __x A %chi_squared_distribution random number
+       *            generator engine.
+       *
+       * @returns The input stream with @p __x extracted or in an error state.
+       */
+      template<typename _RealType1, typename _CharT, typename _Traits>
+	friend std::basic_istream<_CharT, _Traits>&
+	operator>>(std::basic_istream<_CharT, _Traits>&,
+		   std::chi_squared_distribution<_RealType1>&);
+
     private:
       param_type _M_param;
 
       std::gamma_distribution<result_type> _M_gd;
     };
 
-  /**
-   * @brief Inserts a %chi_squared_distribution random number distribution
-   * @p __x into the output stream @p __os.
-   *
-   * @param __os An output stream.
-   * @param __x  A %chi_squared_distribution random number distribution.
-   *
-   * @returns The output stream with the state of @p __x inserted or in
-   * an error state.
-   */
-  template<typename _RealType, typename _CharT, typename _Traits>
-    std::basic_ostream<_CharT, _Traits>&
-    operator<<(std::basic_ostream<_CharT, _Traits>&,
-	       const std::chi_squared_distribution<_RealType>&);
-
-  /**
-   * @brief Extracts a %chi_squared_distribution random number distribution
-   * @p __x from the input stream @p __is.
-   *
-   * @param __is An input stream.
-   * @param __x A %chi_squared_distribution random number
-   *            generator engine.
-   *
-   * @returns The input stream with @p __x extracted or in an error state.
-   */
-  template<typename _RealType, typename _CharT, typename _Traits>
-    std::basic_istream<_CharT, _Traits>&
-    operator>>(std::basic_istream<_CharT, _Traits>&,
-	       std::chi_squared_distribution<_RealType>&);
-
 
   /**
    * @brief A cauchy_distribution random number distribution.
@@ -2623,42 +2623,42 @@ namespace std
 		  / (_M_gd_y(__urng, param_type(__p.n() / 2)) * m()));
 	}
 
+      /**
+       * @brief Inserts a %fisher_f_distribution random number distribution
+       * @p __x into the output stream @p __os.
+       *
+       * @param __os An output stream.
+       * @param __x  A %fisher_f_distribution random number distribution.
+       *
+       * @returns The output stream with the state of @p __x inserted or in
+       * an error state.
+       */
+      template<typename _RealType1, typename _CharT, typename _Traits>
+	friend std::basic_ostream<_CharT, _Traits>&
+	operator<<(std::basic_ostream<_CharT, _Traits>&,
+		   const std::fisher_f_distribution<_RealType1>&);
+
+      /**
+       * @brief Extracts a %fisher_f_distribution random number distribution
+       * @p __x from the input stream @p __is.
+       *
+       * @param __is An input stream.
+       * @param __x A %fisher_f_distribution random number
+       *            generator engine.
+       *
+       * @returns The input stream with @p __x extracted or in an error state.
+       */
+      template<typename _RealType1, typename _CharT, typename _Traits>
+	friend std::basic_istream<_CharT, _Traits>&
+	operator>>(std::basic_istream<_CharT, _Traits>&,
+		   std::fisher_f_distribution<_RealType1>&);
+
     private:
       param_type _M_param;
 
       std::gamma_distribution<result_type> _M_gd_x, _M_gd_y;
     };
 
-  /**
-   * @brief Inserts a %fisher_f_distribution random number distribution
-   * @p __x into the output stream @p __os.
-   *
-   * @param __os An output stream.
-   * @param __x  A %fisher_f_distribution random number distribution.
-   *
-   * @returns The output stream with the state of @p __x inserted or in
-   * an error state.
-   */
-  template<typename _RealType, typename _CharT, typename _Traits>
-    std::basic_ostream<_CharT, _Traits>&
-    operator<<(std::basic_ostream<_CharT, _Traits>&,
-	       const std::fisher_f_distribution<_RealType>&);
-
-  /**
-   * @brief Extracts a %fisher_f_distribution random number distribution
-   * @p __x from the input stream @p __is.
-   *
-   * @param __is An input stream.
-   * @param __x A %fisher_f_distribution random number
-   *            generator engine.
-   *
-   * @returns The input stream with @p __x extracted or in an error state.
-   */
-  template<typename _RealType, typename _CharT, typename _Traits>
-    std::basic_istream<_CharT, _Traits>&
-    operator>>(std::basic_istream<_CharT, _Traits>&,
-	       std::fisher_f_distribution<_RealType>&);
-
 
   /**
    * @brief A student_t_distribution random number distribution.
@@ -2764,6 +2764,36 @@ namespace std
 	  return _M_nd(__urng) * std::sqrt(__p.n() / __g);
         }
 
+      /**
+       * @brief Inserts a %student_t_distribution random number distribution
+       * @p __x into the output stream @p __os.
+       *
+       * @param __os An output stream.
+       * @param __x  A %student_t_distribution random number distribution.
+       *
+       * @returns The output stream with the state of @p __x inserted or in
+       * an error state.
+       */
+      template<typename _RealType1, typename _CharT, typename _Traits>
+	friend std::basic_ostream<_CharT, _Traits>&
+	operator<<(std::basic_ostream<_CharT, _Traits>&,
+		   const std::student_t_distribution<_RealType1>&);
+
+      /**
+       * @brief Extracts a %student_t_distribution random number distribution
+       * @p __x from the input stream @p __is.
+       *
+       * @param __is An input stream.
+       * @param __x A %student_t_distribution random number
+       *            generator engine.
+       *
+       * @returns The input stream with @p __x extracted or in an error state.
+       */
+      template<typename _RealType1, typename _CharT, typename _Traits>
+	friend std::basic_istream<_CharT, _Traits>&
+	operator>>(std::basic_istream<_CharT, _Traits>&,
+		   std::student_t_distribution<_RealType1>&);
+
     private:
       param_type _M_param;
 
@@ -2771,36 +2801,6 @@ namespace std
       std::gamma_distribution<result_type> _M_gd;
     };
 
-  /**
-   * @brief Inserts a %student_t_distribution random number distribution
-   * @p __x into the output stream @p __os.
-   *
-   * @param __os An output stream.
-   * @param __x  A %student_t_distribution random number distribution.
-   *
-   * @returns The output stream with the state of @p __x inserted or in
-   * an error state.
-   */
-  template<typename _RealType, typename _CharT, typename _Traits>
-    std::basic_ostream<_CharT, _Traits>&
-    operator<<(std::basic_ostream<_CharT, _Traits>&,
-	       const std::student_t_distribution<_RealType>&);
-
-  /**
-   * @brief Extracts a %student_t_distribution random number distribution
-   * @p __x from the input stream @p __is.
-   *
-   * @param __is An input stream.
-   * @param __x A %student_t_distribution random number
-   *            generator engine.
-   *
-   * @returns The input stream with @p __x extracted or in an error state.
-   */
-  template<typename _RealType, typename _CharT, typename _Traits>
-    std::basic_istream<_CharT, _Traits>&
-    operator>>(std::basic_istream<_CharT, _Traits>&,
-	       std::student_t_distribution<_RealType>&);
-
   /* @} */ // group std_random_distributions_normal
 
   /**
@@ -3384,43 +3384,43 @@ namespace std
 	operator()(_UniformRandomNumberGenerator& __urng,
 		   const param_type& __p);
 
+      /**
+       * @brief Inserts a %negative_binomial_distribution random
+       *        number distribution @p __x into the output stream @p __os.
+       *
+       * @param __os An output stream.
+       * @param __x  A %negative_binomial_distribution random number
+       *             distribution.
+       *
+       * @returns The output stream with the state of @p __x inserted or in
+       *          an error state.
+       */
+      template<typename _IntType1, typename _CharT, typename _Traits>
+	friend std::basic_ostream<_CharT, _Traits>&
+	operator<<(std::basic_ostream<_CharT, _Traits>&,
+		   const std::negative_binomial_distribution<_IntType1>&);
+
+      /**
+       * @brief Extracts a %negative_binomial_distribution random number
+       *        distribution @p __x from the input stream @p __is.
+       *
+       * @param __is An input stream.
+       * @param __x A %negative_binomial_distribution random number
+       *            generator engine.
+       *
+       * @returns The input stream with @p __x extracted or in an error state.
+       */
+      template<typename _IntType1, typename _CharT, typename _Traits>
+	friend std::basic_istream<_CharT, _Traits>&
+	operator>>(std::basic_istream<_CharT, _Traits>&,
+		   std::negative_binomial_distribution<_IntType1>&);
+
     private:
       param_type _M_param;
 
       std::gamma_distribution<double> _M_gd;
     };
 
-  /**
-   * @brief Inserts a %negative_binomial_distribution random
-   *        number distribution @p __x into the output stream @p __os.
-   *
-   * @param __os An output stream.
-   * @param __x  A %negative_binomial_distribution random number
-   *             distribution.
-   *
-   * @returns The output stream with the state of @p __x inserted or in
-   *          an error state.
-   */
-  template<typename _IntType, typename _CharT, typename _Traits>
-    std::basic_ostream<_CharT, _Traits>&
-    operator<<(std::basic_ostream<_CharT, _Traits>&,
-	       const std::negative_binomial_distribution<_IntType>&);
-
-  /**
-   * @brief Extracts a %negative_binomial_distribution random number
-   *        distribution @p __x from the input stream @p __is.
-   *
-   * @param __is An input stream.
-   * @param __x A %negative_binomial_distribution random number
-   *            generator engine.
-   *
-   * @returns The input stream with @p __x extracted or in an error state.
-   */
-  template<typename _IntType, typename _CharT, typename _Traits>
-    std::basic_istream<_CharT, _Traits>&
-    operator>>(std::basic_istream<_CharT, _Traits>&,
-	       std::negative_binomial_distribution<_IntType>&);
-
   /* @} */ // group std_random_distributions_bernoulli
 
   /**
diff --git a/libstdc++-v3/testsuite/26_numerics/random/bernoulli_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/bernoulli_distribution/operators/serialize.cc
new file mode 100644
index 0000000..3677ba7
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/bernoulli_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.2.1 Class template bernoulli_distribution [rand.dist.bern.bernoulli]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::bernoulli_distribution u(0.75), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/binomial_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/binomial_distribution/operators/serialize.cc
new file mode 100644
index 0000000..fb65018
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/binomial_distribution/operators/serialize.cc
@@ -0,0 +1,47 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.2.2 Class template binomial_distribution [rand.dist.bern.bin]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::binomial_distribution<int> u(3, 0.75), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/cauchy_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/cauchy_distribution/operators/serialize.cc
new file mode 100644
index 0000000..fd0d5f9
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/cauchy_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.4.1 class template discard_block_engine [rand.adapt.disc]
+// 26.4.2.3 concept RandomNumberEngineAdaptor [rand.concept.adapt]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::cauchy_distribution<double> u(5.0, 2.0), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/chi_squared_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/chi_squared_distribution/operators/serialize.cc
new file mode 100644
index 0000000..146eeae
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/chi_squared_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.4.3 Class template chi_squared_distribution [rand.dist.norm.chisq]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::chi_squared_distribution<double> u(1.5), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/discrete_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/discrete_distribution/operators/serialize.cc
new file mode 100644
index 0000000..c2ba51a
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/discrete_distribution/operators/serialize.cc
@@ -0,0 +1,47 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.5.1 Class template discrete_distribution [rand.dist.samp.discrete]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::vector<double> wt = {0.5, 1.0, 2.5, 1.5, 0.5};
+  std::discrete_distribution<int> u(wt.begin(), wt.end()), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/exponential_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/exponential_distribution/operators/serialize.cc
new file mode 100644
index 0000000..d1dca74
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/exponential_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.3.2 Class template exponential_distribution [rand.dist.pois.exp]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::exponential_distribution<double> u(0.5), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/extreme_value_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/extreme_value_distribution/operators/serialize.cc
new file mode 100644
index 0000000..2f68409
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/extreme_value_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.3.5 Class template extreme_value_distribution [rand.dist.pois.extreme]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::extreme_value_distribution<double> u, v(5.0, 2.0);
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/fisher_f_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/fisher_f_distribution/operators/serialize.cc
new file mode 100644
index 0000000..52640f3
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/fisher_f_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.4.5 Class template fisher_f_distribution [rand.dist.norm.f]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::fisher_f_distribution<double> u(2.0, 3.0), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/gamma_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/gamma_distribution/operators/serialize.cc
new file mode 100644
index 0000000..0c24b7a
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/gamma_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.3.3 Class template gamma_distribution [rand.dist.pois.gamma]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::gamma_distribution<double> u(1.5, 3.0), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/geometric_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/geometric_distribution/operators/serialize.cc
new file mode 100644
index 0000000..75de1b8
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/geometric_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.2.3 Class template geometric_distribution [rand.dist.bern.geom]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::geometric_distribution<int> u(0.75), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/lognormal_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/lognormal_distribution/operators/serialize.cc
new file mode 100644
index 0000000..877b6aa
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/lognormal_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.4.2 Class template lognormal_distribution [rand.dist.norm.lognormal]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::lognormal_distribution<double> u(5.0, 2.0), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/negative_binomial_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/negative_binomial_distribution/operators/serialize.cc
new file mode 100644
index 0000000..7320f52
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/negative_binomial_distribution/operators/serialize.cc
@@ -0,0 +1,47 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.2.4 Class template negative_binomial_distribution
+// [rand.dist.bern.negbin]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::negative_binomial_distribution<int> u(3, 0.75), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/normal_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/normal_distribution/operators/serialize.cc
new file mode 100644
index 0000000..c88e0a1
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/normal_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.4.1 Class template normal_distribution [rand.dist.norm.normal]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::normal_distribution<double> u(5.0, 2.0), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/piecewise_constant_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/piecewise_constant_distribution/operators/serialize.cc
new file mode 100644
index 0000000..e113679
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/piecewise_constant_distribution/operators/serialize.cc
@@ -0,0 +1,50 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.5.2 Class template piecewise_constant_distribution
+// [rand.dist.samp.pconst]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::vector<double> x = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
+  std::vector<double> wt = {0.5, 1.0, 2.5, 1.5, 0.5};
+  std::piecewise_constant_distribution<double>
+     u(x.begin(), x.end(), wt.begin()), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/piecewise_linear_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/piecewise_linear_distribution/operators/serialize.cc
new file mode 100644
index 0000000..75ea5a7
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/piecewise_linear_distribution/operators/serialize.cc
@@ -0,0 +1,50 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.5.3 Class template piecewise_linear_distribution
+// [rand.dist.samp.plinear]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::vector<double> x = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0};
+  std::vector<double> wt = {0.0, 1.0, 2.5, 1.5, 0.5, 0.0};
+  std::piecewise_linear_distribution<double>
+     u(x.begin(), x.end(), wt.begin()), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+  
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/poisson_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/poisson_distribution/operators/serialize.cc
new file mode 100644
index 0000000..315e309
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/poisson_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.3.1 Class template poisson_distribution [rand.dist.pois.poisson]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::poisson_distribution<int> u(5.0), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/student_t_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/student_t_distribution/operators/serialize.cc
new file mode 100644
index 0000000..d414470
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/student_t_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.4.6 Class template student_t_distribution [rand.dist.norm.t]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::student_t_distribution<double> u(1.5), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/uniform_int_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/uniform_int_distribution/operators/serialize.cc
new file mode 100644
index 0000000..6ae0809
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/uniform_int_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.1.1 Class template uniform_int_distribution [rand.dist_uni]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::uniform_int_distribution<int> u(1, 20), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/uniform_real_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/uniform_real_distribution/operators/serialize.cc
new file mode 100644
index 0000000..a6ef0f49
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/uniform_real_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.1.2 Class template uniform_real_distribution [rand.dist.uni.real]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::uniform_real_distribution<double> u(-5.0, 5.0), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/weibull_distribution/operators/serialize.cc b/libstdc++-v3/testsuite/26_numerics/random/weibull_distribution/operators/serialize.cc
new file mode 100644
index 0000000..7867023
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/weibull_distribution/operators/serialize.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2009-08-14  Edward M. Smith-Rowland  <3dw4rd@verizon.net>
+//
+// Copyright (C) 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/>.
+
+// 26.4.8.3.4 Class template weibull_distribution [rand.dist.pois.weibull]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+
+void
+test01()
+{
+  std::stringstream str;
+  std::weibull_distribution<double> u(2.0, 3.5), v;
+  std::minstd_rand0 rng;
+
+  u(rng); // advance
+  str << u;
+
+  str >> v;
+}
+
+int main()
+{
+  test01();
+  return 0;
+}