* tree-ssa-alias.c (nonaliasing_component_refs_p): Rename into...
	(aliasing_component_refs_p): ...this.  Return true if there is no
	common base and the base access types have the same alias set.
	(indirect_ref_may_alias_decl_p): Adjust for above renaming.
	(indirect_refs_may_alias_p): Likewise.

From-SVN: r153523