re PR libstdc++/3946 (auto_ptr_ref constructor allows dangerous conversion)

2002-07-03  Jack Reeves  <jackw_reeves@hotmail.com>
            Kenny Simpson  <theonetruekenny@yahoo.com>
            Phil Edwards  <pme@gcc.gnu.org>

	PR libstdc++/3946
	* testsuite/20_util/auto_ptr.cc (test08):  New test.
	* include/std/std_memory.h (auto_ref_ptr):  Make constructor explicit.
	(auto_ptr::operator auto_ptr_ref):  Fix typo.
	General reformatting and doxygenating of the whole file.

Co-Authored-By: Kenny Simpson <theonetruekenny@yahoo.com>
Co-Authored-By: Phil Edwards <pme@gcc.gnu.org>

From-SVN: r55223

libstdc++-v3/ChangeLog

+2002-07-03  Jack Reeves  <jackw_reeves@hotmail.com>
+            Kenny Simpson  <theonetruekenny@yahoo.com>
+            Phil Edwards  <pme@gcc.gnu.org>
+
+	PR libstdc++/3946
+	* testsuite/20_util/auto_ptr.cc (test08):  New test.
+	* include/std/std_memory.h (auto_ref_ptr):  Make constructor explicit.
+	(auto_ptr::operator auto_ptr_ref):  Fix typo.
+	General reformatting and doxygenating of the whole file.
+
 2002-07-03  Benjamin Kosnik  <bkoz@redhat.com>
 
 	PR libstdc++/7097

libstdc++-v3/testsuite/20_util/auto_ptr.cc

-// Copyright (C) 2000 Free Software Foundation
+// Copyright (C) 2000, 2002 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
@@ -276,6 +276,21 @@ test07()
   return 0;
 }
 
+
+// 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()
 {
@@ -286,6 +301,7 @@ main()
   test05();
   test06();
   test07();
+  test08();
 
   return 0;
 }