1 files changed, 20 insertions, 0 deletions
diff --git a/tests/auto/qml/qqmlecmascript/data/generatorCrashNewProperty.qml b/tests/auto/qml/qqmlecmascript/data/generatorCrashNewProperty.qml
new file mode 100644
index 0000000000..f775b4c613
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/generatorCrashNewProperty.qml
@@ -0,0 +1,20 @@
+// QTBUG-91491
+import QtQml 2.15
+
+QtObject {
+   property int a: 42
+   property int b: 0
+   property int c: 0
+
+   function f(myfunc) {
+      let gen = myfunc();
+      gen["u"] = 0 // Adding members to the generator used to cause crashes when calling next()
+      c = gen.next().value
+   }
+
+   function refreshA() {
+      f(function*() { b = 12; return a });
+   }
+
+   Component.onCompleted: refreshA();
+}