Fix uninitialized return value for QQmlJavaScriptExpression::evaluate

In case of an exception, we'd return an uninitialized value.

(visible when running tst_qqmlecmascript in valgrind)

Change-Id: I2c95a112b09ba527e61088904fa7daff003be05d
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

diff --git a/src/qml/qml/qqmljavascriptexpression.cpp b/src/qml/qml/qqmljavascriptexpression.cpp
index 1d4bba6..863432b 100644 (file)
--- a/src/qml/qml/qqmljavascriptexpression.cpp
+++ b/src/qml/qml/qqmljavascriptexpression.cpp
@@ -154,7 +154,7 @@ QQmlJavaScriptExpression::evaluate(QQmlContextData *context,
     // incase we have been deleted.
     DeleteWatcher watcher(this);
 
-    QV4::Value result;
+    QV4::Value result = QV4::Value::undefinedValue();
     QV4::ExecutionEngine *v4 = QV8Engine::getV4(ep->v8engine());
     QV4::ExecutionContext *ctx = v4->current;
     try {