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Suggest a case insensitive match name regardless of levenshtein distance by John...
source link: https://github.com/rust-lang/rust/pull/89956
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Fixes #86170
Currently, find_best_match_for_name only returns a case insensitive match name depending on a Levenshtein distance. It's a bit unfortunate that that hides some suggestions for typos like Bar -> BAR. That idea is from #46347 (comment), but I think it still makes some sense to show a candidate when we find a case insensitive match name as it's more like a typo.
Skipped the candidate != lookup check because the current (i.e, levenshtein_match) returns the exact same Symbol anyway but it doesn't seem to confuse anything on UI tests.
r? @estebank
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