* flag-types.h: New.
	* Makefile.in (TH_H): Include $(OPTIONS_H) instead of $(FLAGS_H).
	(FLAGS_H): Include flag-types.h.  Include $(OPTIONS_H) instead of
	options.h.
	(OPTIONS_H): Define.
	(c-family/c-opts.o, lto-opts.o, opts.o): Use $(OPTIONS_H) instead
	of options.h.
	* configure.ac (tm_include_list): Include options.h not flags.h.
	* configure: Regenerate.
	* flags.h: Include flag-types.h.  Include options.h at top of file
	again.
	(enum debug_info_type, enum debug_info_level, enum
	debug_info_usage, enum symbol_visibility, struct visibility_flags,
	enum ira_algorithm, enum ira_region, enum excess_precision, enum
	graph_dump_types, enum stack_check_type, enum
	warn_strict_overflow_code): Move to flag-types.h
	* opth-gen.awk: Include flag-types.h in options.h.

ada:
	* gcc-interface/Make-lang.in (ada/misc.o): Use $(OPTIONS_H)
	instead of options.h.

java:
	* Make-lang.in (java/lang.o): Use $(OPTIONS_H) instead of
	options.h.

From-SVN: r165362