Handle OPT_SPECIAL_XXX in LTO

	PR lto/54795
	* lto-opts.c (lto_write_options): Also handle
	OPT_SPECIAL_unknown, OPT_SPECIAL_ignore and
	OPT_SPECIAL_program_name.

	PR lto/55474
	* lto-wrapper.c (merge_and_complain): Handle
	OPT_SPECIAL_unknown, OPT_SPECIAL_ignore,
	OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.

Co-Authored-By: Markus Trippelsdorf <markus@trippelsdorf.de>

From-SVN: r193848