* gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
	size handling.
	(gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
	(iterative_hash_gimple_type): Adjust comment.
	(iterative_hash_canonical_type): Likewise.  Hash the bounds of the
	domain for an array type instead of the domain type itself.

From-SVN: r187807