Smart pointer and utility changes related to adding checked_delere and checked_array_delete

[SVN r10189]

checked_delete_test.cpp

@@ -0,0 +1,31 @@
+//  Boost checked_delete test program  ---------------------------------------//
+
+//  (C) Copyright Beman Dawes 2001. Permission to copy, use, modify, sell
+//  and distribute this software is granted provided this copyright
+//  notice appears in all copies. This software is provided "as is" without
+//  express or implied warranty, and with no claim as to its suitability for
+//  any purpose.
+
+//  See http://www.boost.org for most recent version including documentation.
+
+//  Revision History
+//  21 May 01  Initial version (Beman Dawes)
+
+#include <boost/utility.hpp>  // for checked_delete
+
+//  This program demonstrates compiler errors when trying to delete an
+//  incomplete type.
+
+namespace
+{
+    class Incomplete;
+}
+
+int main()
+{
+    Incomplete * p;
+    boost::checked_delete(p);          // should cause compile time error
+    Incomplete ** pa;
+    boost::checked_array_delete(pa);   // should cause compile time error
+    return 0;
+}   // main