michael@0: 
michael@0: function f(code) {
michael@0:   try {
michael@0:     Function(code)()
michael@0:   } catch(r) {}
michael@0: } {
michael@0:   function x() {}
michael@0: }
michael@0: f("")
michael@0: f("")
michael@0: f("")
michael@0: f("x::e")
michael@0: if (typeof w == "") {}