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diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/assign/auto_ptr_neg.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/assign/auto_ptr_neg.cc
new file mode 100644
index 00000000..15544943
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/assign/auto_ptr_neg.cc
@@ -0,0 +1,50 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// Copyright (C) 2005, 2006, 2007, 2009 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 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
+// .
+
+// 20.6.6.2 Template class shared_ptr [util.smartptr.shared]
+
+#include
+#include
+
+struct A { };
+struct B { };
+
+// 20.6.6.2.3 shared_ptr assignment [util.smartptr.shared.assign]
+
+// Assignment from incompatible auto_ptr
+int
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::shared_ptr a;
+ std::auto_ptr b;
+ a = b; // { dg-error "here" }
+
+ return 0;
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
+// { dg-excess-errors "In constructor" }