2012-05-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53408
	* tree-vect-loop.c (vectorizable_induction): Properly check
	the restriction that we cannot handle induction results from
	the inner loop outside of the outer loop.

	* gcc.dg/torture/pr53408.c: New testcase.

From-SVN: r187710