2008-11-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38051
	* tree-ssa-alias.c (update_alias_info_1): Manually find
	written variables.

	* gcc.c-torture/execute/pr38051.c: New testcase.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r141887