From: Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>
Date: Thu, 7 Sep 2017 17:01:39 +0000 (+0100)
Subject: rebuild-QmlDatapropertyCache-if-deleted
X-Git-Tag: archive/raspbian/5.9.1-6+rpi1^2~1
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=04d7ba0ed5c7ea2200b42fa02b7557e9cd9c9f97;p=qtdeclarative-opensource-src.git

rebuild-QmlDatapropertyCache-if-deleted


Gbp-Pq: Name rebuild-QmlDatapropertyCache-if-deleted.patch
---

diff --git a/src/qml/qml/qqmlbinding.cpp b/src/qml/qml/qqmlbinding.cpp
index 62288a584..325f752cd 100644
--- a/src/qml/qml/qqmlbinding.cpp
+++ b/src/qml/qml/qqmlbinding.cpp
@@ -515,7 +515,12 @@ void QQmlBinding::getPropertyData(QQmlPropertyData **propertyData, QQmlPropertyD
     Q_ASSERT(propertyData);
 
     QQmlData *data = QQmlData::get(*m_target, false);
-    Q_ASSERT(data && data->propertyCache);
+    Q_ASSERT(data);
+
+    if (Q_UNLIKELY(!data->propertyCache)) {
+        data->propertyCache = QQmlEnginePrivate::get(context()->engine)->cache(m_target->metaObject());
+        data->propertyCache->addref();
+    }
 
     *propertyData = data->propertyCache->property(m_targetIndex.coreIndex());
     Q_ASSERT(*propertyData);