Fix crash when trying to call a property of the scope or context object

For calls on properties of the scope or context object the thisObject parameter
in the callData is a reference to the QmlContext, not a real object - therefore
the toString conversion fails.

Task-number: QTBUG-52340
Change-Id: I08d01cc5c05920c2fac46ddd40fa41e630bcade3
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/auto/qml/qqmlecmascript/data/qtbug_52340.qml b/tests/auto/qml/qqmlecmascript/data/qtbug_52340.qml
new file mode 100644
index 0000000000..03f90c15c8
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/qtbug_52340.qml
@@ -0,0 +1,13 @@
+import QtQml 2.0
+
+QtObject {
+    property bool someProperty: true
+    function testCall() {
+        try {
+            someProperty(); // should throw
+            return false
+        } catch (e) {
+            return true
+        }
+    }
+}