tree-ssa-loop-ivopts.c (ivopts_data, [...]): Use the VEC API instead of VARRAY.

tree-ssa-loop-ivopts.c (ivopts_data, [...]): Use the VEC API instead of VARRAY.

	* tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
	n_iv_uses, iv_use, n_iv_cands, iv_cand,
	tree_ssa_iv_optimize_init, record_use, add_candidate_1,
	prepare_decl_rtl, free_loop_data,
	tree_ssa_iv_optimize_finalize): Use the VEC API instead of
	VARRAY.

From-SVN: r98797