michael@0: function f(o)
michael@0: {
michael@0:     print(o instanceof String);
michael@0: }
michael@0: 
michael@0: var g = newGlobal();
michael@0: f(new Object());
michael@0: var o1 = g.eval('new Object()');
michael@0: var o2 = Object.create(o1);
michael@0: f(o2);