PR driver/69265 and 69453: improved suggestions for various misspelled options

gcc/ChangeLog:
	PR driver/69265
	PR driver/69453
	* gcc.c (driver::driver): Initialize m_option_suggestions.
	(driver::~driver): Clean up m_option_suggestions.
	(suggest_option): Convert to...
	(driver::suggest_option): ...this, and split out into
	driver::build_option_suggestions and find_closest_string.
	(driver::build_option_suggestions): New function, from
	first half of suggest_option.  Special-case
	OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
	the sanitizer_opts array.  For options of enum types, add the
	various enum values to the candidate strings.
	(driver::handle_unrecognized_options): Remove "const".
	* gcc.h (driver::handle_unrecognized_options): Likewise.
	(driver::build_option_suggestions): New decl.
	(driver::suggest_option): New decl.
	(driver::m_option_suggestions): New field.
	* opts-common.c (add_misspelling_candidates): New function.
	* opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
	and make non-static.
	* opts.h (sanitizer_opts): New array decl.
	(add_misspelling_candidates): New function decl.
	* spellcheck.c (find_closest_string): New function.
	* spellcheck.h (find_closest_string): New function decl.

gcc/testsuite/ChangeLog:
	PR driver/69265
	PR driver/69453
	* gcc.dg/spellcheck-options-3.c: New test case.
	* gcc.dg/spellcheck-options-4.c: New test case.
	* gcc.dg/spellcheck-options-5.c: New test case.
	* gcc.dg/spellcheck-options-6.c: New test case.
	* gcc.dg/spellcheck-options-7.c: New test case.
	* gcc.dg/spellcheck-options-8.c: New test case.
	* gcc.dg/spellcheck-options-9.c: New test case.
	* gcc.dg/spellcheck-options-10.c: New test case.

From-SVN: r233382

1 files changed, 1 insertions, 6 deletions

diff --git a/gcc/opts.c b/gcc/opts.c
index 0a18c26..2f45312 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -1434,12 +1434,7 @@ enable_fdo_optimizations (struct gcc_options *opts,
 }
 
 /* -f{,no-}sanitize{,-recover}= suboptions.  */
-static const struct sanitizer_opts_s
-{
-  const char *const name;
-  unsigned int flag;
-  size_t len;
-} sanitizer_opts[] =
+const struct sanitizer_opts_s sanitizer_opts[] =
 {
 #define SANITIZER_OPT(name, flags) { #name, flags, sizeof #name - 1 }
   SANITIZER_OPT (address, SANITIZE_ADDRESS | SANITIZE_USER_ADDRESS),