re PR tree-optimization/64191 (indirect clobbers messes up dead code elimination in loop calling dtor)

2014-12-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/64191
	* tree-vect-stmts.c (vect_stmt_relevant_p): Clobbers are
	not relevant (nor are their uses).

From-SVN: r218509