Qml: Allow const and non-const QObjectWrappers to coexist

We can access the same QObject in const and non-const contexts. Both
should be possible. Store the const objectwrapper in
m_multiplyWrappedObjects. That's somewhat slow, but const QObjects are
rather rare.

Pick-to: 6.4
Fixes: QTBUG-98479
Change-Id: I047afc121f5c29b955cd833e0a2c8299fc52b021
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/auto/qml/qqmlecmascript/data/frozenQObject2.qml b/tests/auto/qml/qqmlecmascript/data/frozenQObject2.qml
new file mode 100644
index 0000000000..ebff0cde8b
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/frozenQObject2.qml
@@ -0,0 +1,19 @@
+import QtQml
+import test
+
+FrozenObjects {
+    id: app;
+
+    property bool caughtSignal: false
+    onFooMember2Emitted: caughtSignal = true
+
+    Component.onCompleted: {
+        app.fooMember.name = "John";
+        app.fooMemberConst;
+        app.fooMember.name = "Jane";
+
+        app.fooMember2.name = "John";
+        app.triggerSignal();
+        app.fooMember2.name = "Jane";
+    }
+}