2006-12-22 Paolo Carlini <pcarlini@suse.de>

        DR 541, [WP].
 	* include/std/memory (auto_ptr<void>): Add specialization.
	* testsuite/tr1/2_general_utilities/memory/shared_ptr/
	assign/dr541.cc: New.
	* testsuite/20_util/memory/auto_ptr/assign_neg.cc: Adjust
	dg-error markers.
        * docs/html/ext/howto.html: Add an entry for DR 541.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120148 138bc75d-0d04-0410-961f-82ee72b054a4