2018-07-07  Tom de Vries  <tdevries@suse.de>

	* tree-dfa.c (dump_enumerated_decls): Handle cfun->cfg == NULL.

	* gcc.misc-tests/options.exp (check_for_all_options): Clean up dump
	files.
	(get_dump_flags): New proc.
	(toplevel): Test all dump flags.

From-SVN: r262500