re PR tree-optimization/87785 (ICE in dr_misalignment, at tree-vectorizer.h:1245 on 454.calculix with -Ofast and -flto)

2018-10-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87785
	* tree-vect-slp.c (vect_gather_slp_loads): Only gather
	internal defs.

	* gcc.dg/torture/20181029-1.c: New testcase.
	* gcc.dg/torture/20181029-2.c: Likewise.

From-SVN: r265596