QQmlComponent: Remove pending bindings when setting properties

Pick-to: 6.2 6.5
Fixes: QTBUG-99363
Change-Id: I2c731ec0b8c5947192accdeb5ef52903d9c7cd90
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

2 files changed, 32 insertions, 0 deletions

diff --git a/tests/auto/qml/qqmlcomponent/data/removeBinding.qml b/tests/auto/qml/qqmlcomponent/data/removeBinding.qml
new file mode 100644
index 0000000000..08126a1db2
--- /dev/null
+++ b/tests/auto/qml/qqmlcomponent/data/removeBinding.qml
@@ -0,0 +1,21 @@
+import QtQml 2.15
+
+QtObject {
+    id: root
+    objectName: "400"
+
+    property Component c: Component {
+        id: customItem
+        QtObject {
+            objectName: root.objectName
+        }
+    }
+
+    property string result: {
+        const properties = {
+            "objectName": "42",
+        }
+        const item = customItem.createObject(root, properties)
+        return item.objectName;
+    }
+}
diff --git a/tests/auto/qml/qqmlcomponent/tst_qqmlcomponent.cpp b/tests/auto/qml/qqmlcomponent/tst_qqmlcomponent.cpp
index d76768c5d7..d6a53b9950 100644
--- a/tests/auto/qml/qqmlcomponent/tst_qqmlcomponent.cpp
+++ b/tests/auto/qml/qqmlcomponent/tst_qqmlcomponent.cpp
@@ -145,6 +145,7 @@ private slots:
     void loadFromModuleFailures();
     void loadFromModuleRequired();
     void loadFromQrc();
+    void removeBinding();
 
 private:
     QQmlEngine engine;
@@ -1439,6 +1440,16 @@ void tst_qqmlcomponent::loadFromQrc()
     QVERIFY(p->compilationUnit->aotCompiledFunctions);
 }
 
+void tst_qqmlcomponent::removeBinding()
+{
+    QQmlEngine e;
+    QQmlComponent c(&e, testFileUrl("removeBinding.qml"));
+    QVERIFY2(c.isReady(), qPrintable(c.errorString()));
+    QScopedPointer<QObject> o(c.create());
+    QVERIFY(!o.isNull());
+    QCOMPARE(o->property("result"), QStringLiteral("42"));
+}
+
 QTEST_MAIN(tst_qqmlcomponent)
 
 #include "tst_qqmlcomponent.moc"