2017-09-27  Richard Biener  <rguenther@suse.de>

	* graphite.h (scop::max_alias_set): New member.
	* graphite-scop-detection.c: Remove references to non-existing
	--param in comments.
	(build_alias_sets): Record the maximum alias set used for drs.
	(build_scops): Support zero as unlimited for
	--param graphite-max-arrays-per-scop.
	* graphite-sese-to-poly.c (add_scalar_version_numbers): Remove
	and inline into ...
	(build_poly_sr_1): ... here.  Compute alias set based on the
	maximum alias set used for drs rather than
	PARAM_GRAPHITE_MAX_ARRAYS_PER_SCOP

From-SVN: r253229