dominance.c (init_dom_info): Use gcc_checking_assert, not gcc_assert.

dominance.c (init_dom_info): Use gcc_checking_assert, not gcc_assert.

	* dominance.c (init_dom_info): Use gcc_checking_assert, not gcc_assert.
	(dom_convert_dir_to_idx, compute_dom_fast_query,
	get_immediate_dominator, set_immediate_dominator, get_dominated_by,
	redirect_immediate_dominators, nearest_common_dominator,
	(dominated_by_p, bb_dom_dfs_in, bb_dom_dfs_out, recompute_dominator,
	iterate_fix_dominators, add_to_dominance_info,
	delete_from_dominance_info): Likewise.

From-SVN: r190389