* tree-data-ref.c (analyze_array_indexes, analyze_array,
	init_data_ref, access_functions_are_affine_or_constant_p,
	free_data_refs): Use VEC instead of VARRAY.
	* tree-data-ref.h (data_reference): Change the type of
	access_fns to VEC(tree,gc)*.
	(DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.

From-SVN: r99517