2019-04-27  Martin Liska  <mliska@suse.cz>

	PR middle-end/90258
	* opt-suggestions.c (option_proposer::build_option_suggestions):
	When get_valid_option_values returns empty values, add the
	misspelling candidate.
2019-04-27  Martin Liska  <mliska@suse.cz>

	PR middle-end/90258
	* gcc.dg/completion-5.c: New test.
	* gcc.target/i386/spellcheck-options-5.c: New test.

From-SVN: r270622