2009-09-07  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/41282
	* tree-sra.c (create_artificial_child_access): Return NULL if
	build_ref_for_offset fails.
	(propagate_subacesses_accross_link): Allow build_ref_for_offset
	and create_artificial_child_access to fail.

	* testsuite/gcc.c-torture/compile/pr41282.c: New test.

From-SVN: r151484