4 files changed, 88 insertions, 0 deletions
diff --git a/tests/auto/qml/qmlcppcodegen/data/CMakeLists.txt b/tests/auto/qml/qmlcppcodegen/data/CMakeLists.txt
index 94368c99f7..4b5dd31c0a 100644
--- a/tests/auto/qml/qmlcppcodegen/data/CMakeLists.txt
+++ b/tests/auto/qml/qmlcppcodegen/data/CMakeLists.txt
@@ -7,6 +7,7 @@ add_subdirectory(WithSubDir)
 set(cpp_sources
     ambiguous.h
     birthdayparty.cpp birthdayparty.h
+    collector.h
     convertQJSPrimitiveValueToIntegral.h
     cppbaseclass.h
     detachedreferences.h
@@ -118,6 +119,7 @@ set(qml_files
     callObjectLookupOnNull.qml
     callWithSpread.qml
     childobject.qml
+    collector.qml
     colorAsVariant.qml
     colorString.qml
     compareOriginals.qml
diff --git a/tests/auto/qml/qmlcppcodegen/data/collector.h b/tests/auto/qml/qmlcppcodegen/data/collector.h
new file mode 100644
index 0000000000..0b892dcb82
--- /dev/null
+++ b/tests/auto/qml/qmlcppcodegen/data/collector.h
@@ -0,0 +1,25 @@
+// Copyright (C) 2025 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#ifndef COLLECTOR_H
+#define COLLECTOR_H
+
+#include <QtCore/qobject.h>
+#include <QtQmlIntegration/qqmlintegration.h>
+#include <QtQml/qjsengine.h>
+
+class Collector : public QObject
+{
+    Q_OBJECT
+    QML_ELEMENT
+    Q_PROPERTY(int gc READ gc CONSTANT)
+
+public:
+    int gc() const
+    {
+        qjsEngine(this)->collectGarbage();
+        return 1;
+    }
+};
+
+#endif // COLLECTOR_H
diff --git a/tests/auto/qml/qmlcppcodegen/data/collector.qml b/tests/auto/qml/qmlcppcodegen/data/collector.qml
new file mode 100644
index 0000000000..161a242bcc
--- /dev/null
+++ b/tests/auto/qml/qmlcppcodegen/data/collector.qml
@@ -0,0 +1,41 @@
+// Copyright (C) 2025 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+pragma Strict
+import QtQml
+import TestTypes
+
+Collector {
+    id: self
+    property Component c: QtObject { objectName: "dynamic" }
+    property QtObject o: c.createObject()
+    property QtObject o2
+    property int gcRun: 0
+
+    // Pass the object through a property once so that we know
+    // it has a wrapper (missing wrapper will be fixed independently)
+    property QtObject hidden: c.createObject()
+    function os() : list<var> {
+        let result = [hidden]
+        hidden = null
+        return result
+    }
+
+    Component.onCompleted: {
+        var oo = o
+        o = null
+        var oso = os()
+
+        // Hide this behind a property so that the side effect
+        // can't be detected.
+        var one = self.gc
+
+        // Don't rely on QV4::Sequence to check its members, yet
+        o2 = oso[0]
+        o = oo
+
+        // Actually use the value retrieved to trigger the gc
+        // Otherwise the access is optimized out.
+        gcRun = one
+    }
+}
diff --git a/tests/auto/qml/qmlcppcodegen/tst_qmlcppcodegen.cpp b/tests/auto/qml/qmlcppcodegen/tst_qmlcppcodegen.cpp
index 7e116e9d6f..243b6b1296 100644
--- a/tests/auto/qml/qmlcppcodegen/tst_qmlcppcodegen.cpp
+++ b/tests/auto/qml/qmlcppcodegen/tst_qmlcppcodegen.cpp
@@ -72,6 +72,7 @@ private slots:
     void callContextPropertyLookupResult();
     void callObjectLookupOnNull();
     void callWithSpread();
+    void collectGarbageDuringAotCode();
     void colorAsVariant();
     void colorString();
     void compareOriginals();
@@ -1100,6 +1101,25 @@ void tst_QmlCppCodegen::callWithSpread()
     QVERIFY(!o.isNull());
 }
 
+void tst_QmlCppCodegen::collectGarbageDuringAotCode()
+{
+    QQmlEngine engine;
+    QQmlComponent c(&engine, QUrl(u"qrc:/qt/qml/TestTypes/collector.qml"_s));
+    QVERIFY2(c.isReady(), qPrintable(c.errorString()));
+    QScopedPointer<QObject> o(c.create());
+    QVERIFY(!o.isNull());
+
+    QObject *inner = o->property("o").value<QObject *>();
+    QVERIFY(inner);
+    QCOMPARE(inner->objectName(), u"dynamic"_s);
+
+    inner = o->property("o2").value<QObject *>();
+    QVERIFY(inner);
+    QCOMPARE(inner->objectName(), u"dynamic"_s);
+
+    QCOMPARE(o->property("gcRun").toInt(), 1);
+}
+
 void tst_QmlCppCodegen::colorAsVariant()
 {
     QQmlEngine engine;