2008-01-01  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/34636
	* include/parallel/algobase.h (lexicographical_compare_switch(...,
	random_access_iterator_tag, random_access_iterator_tag)): Careful
	with undereferenceable iterators.
	* testsuite/25_algorithms/sort/34636.cc: New.

From-SVN: r131245