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Friedemann Kleint authored
Check for invalid (top level) or valid indexes in the overridden functions. This prevents crashes due to accessibility traversing the model. Task-number: QTCREATORBUG-13142 Change-Id: I22d0831338436479e6ec3b215514bbb9513dffc7 Reviewed-by: Eike Ziller <eike.ziller@qt.io> Reviewed-by: David Schulz <david.schulz@theqtcompany.com>
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