Handle recursion depth errors when parsing JavaScript

Implementations of QQmlJS::AST::Visitor are required to do so.

Change-Id: I47d55d25d7c4dd3f826b3cd24a29fc4287d113c8
Reviewed-by: Liang Qi <liang.qi@qt.io>

tests/auto/qml/qqmlparser/tst_qqmlparser.cpp

@@ -104,6 +104,11 @@ public:
     {
         nodeStack.removeLast();
     }
+
+    void throwRecursionDepthError()
+    {
+        QFAIL("Maximum statement or expression depth exceeded");
+    }
 };
 
 }