File gcc43-nvl999596.patch of Package gcc43

2014-12-01  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/63840
	* include/tr1_impl/functional (function::function(const function&)): Set
	_M_manager after operations that might throw.
	* testsuite/20_util/function/63840.cc: New.
	* testsuite/tr1/3_function_objects/function/63840.cc: New.

Index: libstdc++-v3/testsuite/tr1/3_function_objects/function/63840.cc
===================================================================
--- libstdc++-v3/testsuite/tr1/3_function_objects/function/63840.cc	(revision 0)
+++ libstdc++-v3/testsuite/tr1/3_function_objects/function/63840.cc	(revision 218215)
@@ -0,0 +1,55 @@
+// Copyright (C) 2014 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/>.
+
+#include <tr1/functional>
+#include <stdexcept>
+#include <testsuite_hooks.h>
+
+struct functor
+{
+  functor() : copies(0) { }
+
+  functor(const functor& f)
+  : copies(f.copies + 1)
+  {
+    if (copies > 1)
+      throw std::runtime_error("functor");
+  }
+
+  void operator()() const { }
+
+  int copies;
+};
+
+
+void
+test01()
+{
+  std::tr1::function<void()> f = functor();
+  try {
+    std::tr1::function<void()> g = f;
+  } catch (const std::runtime_error& e) {
+    return;
+  }
+  VERIFY(false);
+}
+
+int
+main()
+{
+  test01();
+}
Index: libstdc++-v3/testsuite/20_util/function/63840.cc
===================================================================
--- libstdc++-v3/testsuite/20_util/function/63840.cc	(revision 0)
+++ libstdc++-v3/testsuite/20_util/function/63840.cc	(revision 218215)
@@ -0,0 +1,55 @@
+// Copyright (C) 2014 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/>.
+
+// { dg-options "-std=gnu++0x" }
+
+#include <functional>
+#include <stdexcept>
+#include <testsuite_hooks.h>
+
+struct functor
+{
+  functor() = default;
+
+  functor(const functor&)
+  {
+    throw std::runtime_error("test");
+  }
+
+  functor(functor&& f) = default;
+
+  void operator()() const { }
+};
+
+
+void
+test01()
+{
+  std::function<void()> f = functor{};
+  try {
+    auto g = f;
+  } catch (const std::runtime_error& e) {
+    return;
+  }
+  VERIFY(false);
+}
+
+int
+main()
+{
+  test01();
+}
Index: libstdc++-v3/include/tr1_impl/functional
===================================================================
--- libstdc++-v3/include/tr1_impl/functional	(revision 183243)
+++ libstdc++-v3/include/tr1_impl/functional	(working copy)
@@ -1980,9 +1980,9 @@ _GLIBCXX_BEGIN_NAMESPACE_TR1
     {
       if (__x)
 	{
+	  __x._M_manager(_M_functor, __x._M_functor, __clone_functor);
 	  _M_invoker = __x._M_invoker;
 	  _M_manager = __x._M_manager;
-	  __x._M_manager(_M_functor, __x._M_functor, __clone_functor);
 	}
     }
 
@@ -1998,9 +1998,9 @@ _GLIBCXX_BEGIN_NAMESPACE_TR1
 
 	if (_My_handler::_M_not_empty_function(__f))
 	  {
+	    _My_handler::_M_init_functor(_M_functor, __f);
 	    _M_invoker = &_My_handler::_M_invoke;
 	    _M_manager = &_My_handler::_M_manager;
-	    _My_handler::_M_init_functor(_M_functor, __f);
 	  }
       }