re PR tree-optimization/87746 (ICE in vect_update_misalignment_for_peel, at tree-vect-data-refs.c:1035)

2018-10-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/87746
	* tree-vect-data-refs.c (vect_update_misalignment_for_peel):
	Simplify and fix WRT strided store groups with size not
	equal to step in element count.
	(vect_analyze_group_access_1): Dump the whole group.

	* gcc.dg/pr87746.c: New testcase.

From-SVN: r265517