2018-09-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/63155
	* tree-ssa-coalesce.c (tree_int_map_hasher): Remove.
	(compute_samebase_partition_bases): Likewise.
	(coalesce_ssa_name): Always use compute_optimized_partition_bases.
	(gimple_can_coalesce_p): Simplify.

From-SVN: r264388