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).


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@218510 138bc75d-0d04-0410-961f-82ee72b054a4