2010-01-08 Paolo Carlini <paolo.carlini@oracle.com>

[pf3gnuchains/gcc-fork.git] / libstdc++-v3 / include / bits / stl_list.h

diff --git a/libstdc++-v3/include/bits/stl_list.h b/libstdc++-v3/include/bits/stl_list.h
index 51f8a8f..b6ce113 100644 (file)
--- a/libstdc++-v3/include/bits/stl_list.h
+++ b/libstdc++-v3/include/bits/stl_list.h
@@ -1,6 +1,6 @@
 // List implementation -*- C++ -*-
 
-// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -606,9 +606,12 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
       list&
       operator=(list&& __x)
       {
-       // NB: DR 675.
-       this->clear();
-       this->swap(__x); 
+       if (this != &__x)
+         {
+           // NB: DR 675.
+           this->clear();
+           this->swap(__x);
+         }
        return *this;
       }