2013-08-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/58228
	* tree-vect-data-refs.c (vect_analyze_data_ref_access): Do not
	allow invariant loads in nested loop vectorization.

	* gcc.dg/torture/pr58228.c: New testcase.

From-SVN: r202097