2017-09-22  Richard Biener  <rguenther@suse.de>

	* sese.c: Include cfganal.h.
	(if_region_set_false_region): Remove.
	(create_if_region_on_edge): Likewise.
	(move_sese_in_condition): Re-implement without destroying
	dominators.

From-SVN: r253092