2004-01-13 Benjamin Kosnik <bkoz@redhat.com>

	* testsuite/performance/ifstream_extract_float.cc: New.
	* testsuite/performance/ofstream_insert_float.cc: Float generation
	matches above.

	* 20_util/auto_ptr.cc, auto_ptr_neg.cc: Break into...
	* 20_util/auto_ptr/1.cc: ...this.
	* 20_util/auto_ptr/2.cc: Same.
	* 20_util/auto_ptr/3.cc: Same.
	* 20_util/auto_ptr/3946.cc: Same.
	* 20_util/auto_ptr/4.cc: Same.
	* 20_util/auto_ptr/5.cc: Same.
	* 20_util/auto_ptr/6.cc: Same.
	* 20_util/auto_ptr/7.cc: Same.
	* 20_util/auto_ptr/assign_neg.cc
	* 20_util/pairs.cc: Break into...
	* 20_util/pair/1.cc: ...this.
	* 20_util/pair/2.cc: Same.
	* 20_util/pair/3.cc: Same.
	* 20_util/pair/4.cc: Same.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@75811 138bc75d-0d04-0410-961f-82ee72b054a4

9 files changed, 714 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/20_util/auto_ptr/1.cc b/libstdc++-v3/testsuite/20_util/auto_ptr/1.cc
new file mode 100644
index 00000000000..8e150b0187c
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/auto_ptr/1.cc
@@ -0,0 +1,95 @@
+// Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation
+//
+// 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.
+
+// 20.4.5 Template class auto_ptr [lib.auto.ptr]
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+  A() { ++ctor_count; }
+  virtual ~A() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+  B() { ++ctor_count; }
+  virtual ~B() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+
+struct reset_count_struct
+{
+  ~reset_count_struct()
+  {
+    A::ctor_count = 0;
+    A::dtor_count = 0;
+    B::ctor_count = 0;
+    B::dtor_count = 0;
+  }
+};
+
+
+// 20.4.5.1 auto_ptr constructors [lib.auto.ptr.cons]
+
+// Construction from pointer
+int
+test01()
+{
+  reset_count_struct __attribute__((unused)) reset;
+  bool test __attribute__((unused)) = true;
+
+  std::auto_ptr<A> A_default;
+  VERIFY( A_default.get() == 0 );
+  VERIFY( A::ctor_count == 0 );
+  VERIFY( A::dtor_count == 0 );
+  VERIFY( B::ctor_count == 0 );
+  VERIFY( B::dtor_count == 0 );
+
+  std::auto_ptr<A> A_from_A(new A);
+  VERIFY( A_from_A.get() != 0 );
+  VERIFY( A::ctor_count == 1 );
+  VERIFY( A::dtor_count == 0 );
+  VERIFY( B::ctor_count == 0 );
+  VERIFY( B::dtor_count == 0 );
+
+  std::auto_ptr<A> A_from_B(new B);
+  VERIFY( A_from_B.get() != 0 );
+  VERIFY( A::ctor_count == 2 );
+  VERIFY( A::dtor_count == 0 );
+  VERIFY( B::ctor_count == 1 );
+  VERIFY( B::dtor_count == 0 );
+
+  return 0;
+}
+
+int 
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/auto_ptr/2.cc b/libstdc++-v3/testsuite/20_util/auto_ptr/2.cc
new file mode 100644
index 00000000000..6ce31d1fe88
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/auto_ptr/2.cc
@@ -0,0 +1,85 @@
+// Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation
+//
+// 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.
+
+// 20.4.5 Template class auto_ptr [lib.auto.ptr]
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+  A() { ++ctor_count; }
+  virtual ~A() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+  B() { ++ctor_count; }
+  virtual ~B() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+
+struct reset_count_struct
+{
+  ~reset_count_struct()
+  {
+    A::ctor_count = 0;
+    A::dtor_count = 0;
+    B::ctor_count = 0;
+    B::dtor_count = 0;
+  }
+};
+
+// Construction from std::auto_ptr
+int
+test02()
+{
+  reset_count_struct __attribute__((unused)) reset;
+  bool test __attribute__((unused)) = true;
+
+  std::auto_ptr<A> A_from_A(new A);
+  std::auto_ptr<B> B_from_B(new B);
+
+  std::auto_ptr<A> A_from_ptr_A(A_from_A);
+  std::auto_ptr<A> A_from_ptr_B(B_from_B);
+  VERIFY( A_from_A.get() == 0 );
+  VERIFY( B_from_B.get() == 0 );
+  VERIFY( A_from_ptr_A.get() != 0 );
+  VERIFY( A_from_ptr_B.get() != 0 );
+  VERIFY( A::ctor_count == 2 );
+  VERIFY( A::dtor_count == 0 );
+  VERIFY( B::ctor_count == 1 );
+  VERIFY( B::dtor_count == 0 );
+
+  return 0;
+}
+
+int 
+main()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/auto_ptr/3.cc b/libstdc++-v3/testsuite/20_util/auto_ptr/3.cc
new file mode 100644
index 00000000000..8090d277783
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/auto_ptr/3.cc
@@ -0,0 +1,87 @@
+// Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation
+//
+// 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.
+
+// 20.4.5 Template class auto_ptr [lib.auto.ptr]
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+  A() { ++ctor_count; }
+  virtual ~A() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+  B() { ++ctor_count; }
+  virtual ~B() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+
+struct reset_count_struct
+{
+  ~reset_count_struct()
+  {
+    A::ctor_count = 0;
+    A::dtor_count = 0;
+    B::ctor_count = 0;
+    B::dtor_count = 0;
+  }
+};
+
+// Assignment from std::auto_ptr
+int
+test03()
+{
+  reset_count_struct __attribute__((unused)) reset;
+  bool test __attribute__((unused)) = true;
+
+  std::auto_ptr<A> A_from_ptr_A;
+  std::auto_ptr<A> A_from_ptr_B;
+  std::auto_ptr<A> A_from_A(new A);
+  std::auto_ptr<B> B_from_B(new B);
+
+  A_from_ptr_A = A_from_A;
+  A_from_ptr_B = B_from_B;
+  VERIFY( A_from_A.get() == 0 );
+  VERIFY( B_from_B.get() == 0 );
+  VERIFY( A_from_ptr_A.get() != 0 );
+  VERIFY( A_from_ptr_B.get() != 0 );
+  VERIFY( A::ctor_count == 2 );
+  VERIFY( A::dtor_count == 0 );
+  VERIFY( B::ctor_count == 1 );
+  VERIFY( B::dtor_count == 0 );
+
+  return 0;
+}
+
+int 
+main()
+{
+  test03();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/auto_ptr/3946.cc b/libstdc++-v3/testsuite/20_util/auto_ptr/3946.cc
new file mode 100644
index 00000000000..191ba6f9306
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/auto_ptr/3946.cc
@@ -0,0 +1,45 @@
+// Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation
+//
+// 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.
+
+// 20.4.5 Template class auto_ptr [lib.auto.ptr]
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+// libstdc++/3946
+// http://gcc.gnu.org/ml/libstdc++/2002-07/msg00024.html
+struct Base { };
+struct Derived : public Base { };
+
+std::auto_ptr<Derived> 
+conversiontest08() { return std::auto_ptr<Derived>(new Derived); }
+
+void
+test08()
+{
+  std::auto_ptr<Base> ptr;
+  ptr = conversiontest08();
+}
+
+
+int 
+main()
+{
+  test08();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/auto_ptr/4.cc b/libstdc++-v3/testsuite/20_util/auto_ptr/4.cc
new file mode 100644
index 00000000000..18148005573
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/auto_ptr/4.cc
@@ -0,0 +1,83 @@
+// Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation
+//
+// 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.
+
+// 20.4.5 Template class auto_ptr [lib.auto.ptr]
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+  A() { ++ctor_count; }
+  virtual ~A() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+  B() { ++ctor_count; }
+  virtual ~B() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+
+struct reset_count_struct
+{
+  ~reset_count_struct()
+  {
+    A::ctor_count = 0;
+    A::dtor_count = 0;
+    B::ctor_count = 0;
+    B::dtor_count = 0;
+  }
+};
+
+
+// Destruction
+int
+test04()
+{
+  reset_count_struct __attribute__((unused)) reset;
+  bool test __attribute__((unused)) = true;
+
+  {/*lifetine scope*/
+    std::auto_ptr<A> A_from_A(new A);
+    std::auto_ptr<A> A_from_B(new B);
+    std::auto_ptr<B> B_from_B(new B);
+  }/*destructors called here*/
+
+  VERIFY( A::ctor_count == 3 );
+  VERIFY( A::dtor_count == 3 );
+  VERIFY( B::ctor_count == 2 );
+  VERIFY( B::dtor_count == 2 );
+
+  return 0;
+}
+
+int 
+main()
+{
+  test04();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/auto_ptr/5.cc b/libstdc++-v3/testsuite/20_util/auto_ptr/5.cc
new file mode 100644
index 00000000000..77969816496
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/auto_ptr/5.cc
@@ -0,0 +1,87 @@
+// Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation
+//
+// 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.
+
+// 20.4.5 Template class auto_ptr [lib.auto.ptr]
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+  A() { ++ctor_count; }
+  virtual ~A() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+  B() { ++ctor_count; }
+  virtual ~B() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+
+struct reset_count_struct
+{
+  ~reset_count_struct()
+  {
+    A::ctor_count = 0;
+    A::dtor_count = 0;
+    B::ctor_count = 0;
+    B::dtor_count = 0;
+  }
+};
+
+
+// Class member construction/destruction
+template <typename T>
+class pimpl
+{
+public:
+  pimpl() : p_impl(new T) {}
+private:
+  std::auto_ptr<T> p_impl;
+};
+
+int 
+test05()
+{
+  bool test __attribute__((unused)) = true;
+  reset_count_struct __attribute__((unused)) reset;
+
+  pimpl<A>();
+  pimpl<B>();
+  VERIFY( A::ctor_count == 2 );
+  VERIFY( A::dtor_count == 2 );
+  VERIFY( B::ctor_count == 1 );
+  VERIFY( B::dtor_count == 1 );
+  return 0;
+}
+
+int 
+main()
+{
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/auto_ptr/6.cc b/libstdc++-v3/testsuite/20_util/auto_ptr/6.cc
new file mode 100644
index 00000000000..e4e13d9d6b0
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/auto_ptr/6.cc
@@ -0,0 +1,91 @@
+// Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation
+//
+// 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.
+
+// 20.4.5 Template class auto_ptr [lib.auto.ptr]
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+  A() { ++ctor_count; }
+  virtual ~A() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+  B() { ++ctor_count; }
+  virtual ~B() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+
+struct reset_count_struct
+{
+  ~reset_count_struct()
+  {
+    A::ctor_count = 0;
+    A::dtor_count = 0;
+    B::ctor_count = 0;
+    B::dtor_count = 0;
+  }
+};
+
+// 20.4.5.2 auto_ptr members [lib.auto.ptr.members]
+
+// Member access
+int
+test06()
+{
+  reset_count_struct __attribute__((unused)) reset;
+  bool test __attribute__((unused)) = true;
+
+  std::auto_ptr<A> A_from_A(new A);
+  std::auto_ptr<A> A_from_A_ptr(A_from_A.release());
+  VERIFY( A_from_A.get() == 0 );
+  VERIFY( A_from_A_ptr.get() != 0 );
+  VERIFY( A_from_A_ptr->ctor_count == 1 );
+  VERIFY( (*A_from_A_ptr).dtor_count == 0 );
+
+  A* A_ptr = A_from_A_ptr.get();
+
+  A_from_A_ptr.reset(A_ptr);
+  VERIFY( A_from_A_ptr.get() == A_ptr );
+  VERIFY( A_from_A_ptr->ctor_count == 1 );
+  VERIFY( (*A_from_A_ptr).dtor_count == 0 );
+
+  A_from_A_ptr.reset(new A);
+  VERIFY( A_from_A_ptr.get() != A_ptr );
+  VERIFY( A_from_A_ptr->ctor_count == 2 );
+  VERIFY( (*A_from_A_ptr).dtor_count == 1 );
+  return 0;
+}
+
+int 
+main()
+{
+  test06();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/auto_ptr/7.cc b/libstdc++-v3/testsuite/20_util/auto_ptr/7.cc
new file mode 100644
index 00000000000..a77ba51cb58
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/auto_ptr/7.cc
@@ -0,0 +1,91 @@
+// Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation
+//
+// 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.
+
+// 20.4.5 Template class auto_ptr [lib.auto.ptr]
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+struct A
+{
+  A() { ++ctor_count; }
+  virtual ~A() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long A::ctor_count = 0;
+long A::dtor_count = 0;
+
+struct B : A
+{
+  B() { ++ctor_count; }
+  virtual ~B() { ++dtor_count; }
+  static long ctor_count;
+  static long dtor_count;
+};
+long B::ctor_count = 0;
+long B::dtor_count = 0;
+
+
+struct reset_count_struct
+{
+  ~reset_count_struct()
+  {
+    A::ctor_count = 0;
+    A::dtor_count = 0;
+    B::ctor_count = 0;
+    B::dtor_count = 0;
+  }
+};
+
+// 20.4.5.3 auto_ptr conversions [lib.auto.ptr.conv]
+
+// Parameters and return values
+template <typename T>
+static std::auto_ptr<T> source()
+{
+  return std::auto_ptr<T>(new T);
+}
+
+template <typename T>
+static void drain(std::auto_ptr<T>)
+{}
+
+int
+test07()
+{
+  bool test __attribute__((unused)) = true;
+  reset_count_struct __attribute__((unused)) reset;
+
+  drain(source<A>());
+  // The resolution of core issue 84, now a DR, breaks this call.
+  // drain<A>(source<B>());
+  drain(source<B>());
+  VERIFY( A::ctor_count == 2 );
+  VERIFY( A::dtor_count == 2 );
+  VERIFY( B::ctor_count == 1 );
+  VERIFY( B::dtor_count == 1 );
+  return 0;
+}
+
+int 
+main()
+{
+  test07();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/auto_ptr/assign_neg.cc b/libstdc++-v3/testsuite/20_util/auto_ptr/assign_neg.cc
new file mode 100644
index 00000000000..15a6ae43986
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/auto_ptr/assign_neg.cc
@@ -0,0 +1,50 @@
+// { dg-do compile }
+
+// Copyright (C) 2002, 2003 Free Software Foundation
+//
+// 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.
+
+// 20.4.5 Template class auto_ptr negative tests [lib.auto.ptr]
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+// via Jack Reeves <jack_reeves@hispeed.ch>
+// libstdc++/3946
+// http://gcc.gnu.org/ml/libstdc++/2002-07/msg00024.html
+struct Base { };
+struct Derived : public Base { };
+
+std::auto_ptr<Derived> 
+foo() { return std::auto_ptr<Derived>(new Derived); }
+
+int
+test01()
+{
+  std::auto_ptr<Base> ptr2;
+  ptr2 = new Base; // { dg-error "no match" }
+  return 0;
+}
+
+int 
+main()
+{
+  test01();
+  return 0;
+}
+// { dg-error "candidates" "" { target *-*-* } 217 } 
+// { dg-error "std::auto_ptr" "" { target *-*-* } 347 }