[PATCH] Add missing target options (PR middle-end/90258).

[Martin Liška]

Hi.

The fix is about forgotten target options for which get_valid_option_values
returns empty list.

Patch can bootstrap on x86_64-linux-gnu and survives regression tests.

Ready to be installed to trunk and later than to gcc-9 branch?
Thanks,
Martin

gcc/ChangeLog:

2019-04-26  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.

gcc/testsuite/ChangeLog:

2019-04-26  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.
---
 gcc/opt-suggestions.c                                | 5 ++++-
 gcc/testsuite/gcc.dg/completion-5.c                  | 7 +++++++
 gcc/testsuite/gcc.target/i386/spellcheck-options-5.c | 5 +++++
 3 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 gcc/testsuite/gcc.dg/completion-5.c
 create mode 100644 gcc/testsuite/gcc.target/i386/spellcheck-options-5.c


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