2013-01-31  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56157
	* tree-vect-slp.c (vect_get_slp_defs): More thoroughly try to
	match up operand with SLP child.

	* gcc.dg/torture/pr56157.c: New testcase.

From-SVN: r195616