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Fix overaggressive CanBeMadeAtomic check for Set + Notone - #33405
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danmoseley
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Mar 9, 2020
We're erroneously converting a set loop to be atomic when it's followed by a notone where the notone's character is in the set. But if we for example have `[ab]*[^a]`, we can't make the loop atomic, because the `[ab]*` can actually give back something (a `b`) that the `[^a]` will match. The fix is simply to delete the erroneous, overaggressive checks.
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We're erroneously converting a set loop to be atomic when it's followed by a notone where the notone's character is in the set. But if we for example have
[ab]*[^a], we can't make the loop atomic, because the[ab]*can actually give back something (ab) that the[^a]will match. The fix is simply to delete the erroneous, overaggressive checks.cc: @danmosemsft, @eerhardt, @pgovind