tree-loop-distribution.c (ref_base_address): Delete.

tree-loop-distribution.c (ref_base_address): Delete.

	* tree-loop-distribution.c (ref_base_address): Delete.
	(similar_memory_accesses): Rename ...
	(share_memory_accesses): ... to this.  Check if partitions access
	the same memory reference.
	(distribute_loop): Call share_memory_accesses.

	gcc/testsuite
	* gcc.dg/tree-ssa/ldist-6.c: XFAIL.

From-SVN: r249990