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  1. Qt
  2. QTBUG-80609

[REG: 5.13 -> 5.14] QSequentialIterable crashes in 5.14

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    • ea3bfc91e2a0fc8309f75e960f1891f15d7351c9 (qt/qtdeclarative/5.14)

    Description

      When trying to use a QSequentialIterable retrieved from a QVariant with a container inside (std::vector, QVector, or QList), assigned as a property binding, it results in a segfault.

      QVariant::canConvert(QVariantList) returns true so QVariant::value<QSequentialIterable>() should return a valid QSequentialIterable.

      Attached is a test case reproducing the crash.

      Note that QVariant::typeName returns the correct name in 5.13, but gives QJSValue in 5.14.

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          Bug - A problem which impairs or prevents the functions of the product. QTBUG-80916 [REG 5.13 ->5.14]Compiling with Qt 5.14 gives: "Unable to assign QJSValue to QVector<QPointF>" , was not in Qt 5.13

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
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              fabiankosmale Fabian Kosmale
              grecko Pierre-Yves Siret
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