michael@0: // Just don't assert or crash.
michael@0: 
michael@0: function f() {
michael@0:   let c
michael@0:   try {
michael@0:     (eval("\
michael@0:       (function(){\
michael@0:         with(\
michael@0:           this.__defineGetter__(\"x\", function(){for(a = 0; a < 3; a++){c=a}})\
michael@0:         ){}\
michael@0:       })\
michael@0:     "))()
michael@0:   } catch(e) {}
michael@0: }
michael@0: f()
michael@0: print(x)