michael@0: function f() {
michael@0:     f = function() { g(); };
michael@0:     f();
michael@0: }
michael@0: g = f;
michael@0: 
michael@0: var caught = false;
michael@0: try {
michael@0:     f();
michael@0: } catch(e) {
michael@0:     caught = true;
michael@0: }
michael@0: assertEq(caught, true);