alias-access-path-2.c: New testcase.

alias-access-path-2.c: New testcase.

	* gcc.dg/tree-ssa/alias-access-path-2.c: New testcase.

	* tree-ssa-alias.c (alias_stats): Add
	nonoverlapping_component_refs_p_may_alias,
	nonoverlapping_component_refs_p_no_alias,
	nonoverlapping_component_refs_of_decl_p_may_alias,
	nonoverlapping_component_refs_of_decl_p_no_alias.
	(dump_alias_stats): Dump them.
	(nonoverlapping_component_refs_of_decl_p): Add stats.
	(nonoverlapping_component_refs_p): Add stats; do not stop on first
	ARRAY_REF.

From-SVN: r272329