2007-10-24  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1_impl/array (_M_instance): Align naturally.
	* testsuite/ext/array_allocator/1.cc: Use ext/vstring,
	more solid than our current basic_string vs alignment.
	* testsuite/ext/array_allocator/2.cc: Likewise.
	* testsuite/ext/array_allocator/3.cc: Likewise.