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[skip ci] Avoid infinite loop in differ
TBH I don't understand why this can happen here but not in sebastian/diff. I'll have to take a closer look.
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@ -3982,11 +3982,11 @@ final class Differ
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reset($to);
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foreach ($common as $token) {
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while (!($this->isEqual)(reset($from), $token)) {
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while (!empty($from) && !($this->isEqual)(reset($from), $token)) {
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$diff[] = [array_shift($from), self::REMOVED, $fromLine++];
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}
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while (!($this->isEqual)($token, reset($to))) {
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while (!empty($to) && !($this->isEqual)($token, reset($to))) {
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$diff[] = [array_shift($to), self::ADDED, $toLine++];
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}
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