Accept any QQmlListProperty in place of another as AOT lookup result

We often use QQmlListProperty<QObject> as generic type for any list
property. This is somewhat dangerous, but unavoidable for now.

Change-Id: I9eba2829eaa84aaffe193365f46f406c30fdbf69
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/qml/qml/qqml.cpp b/src/qml/qml/qqml.cpp
index 2e1a535217..fd20b43acf 100644
--- a/src/qml/qml/qqml.cpp
+++ b/src/qml/qml/qqml.cpp
@@ -786,7 +786,10 @@ static bool initObjectLookup(
         return false;
 
     const QMetaType propType = property->propType();
-    if (type.flags() & QMetaType::PointerToQObject) {
+    if ((type.flags() & QMetaType::IsQmlList) && (propType.flags() & QMetaType::IsQmlList)) {
+        // We want to check the value types here, but we cannot easily do it.
+        // Internally those are all QObject* lists, though.
+    } else if (type.flags() & QMetaType::PointerToQObject) {
         // We accept any base class as type, too
 
         const QMetaObject *typeMetaObject = type.metaObject();