f.__proto__={}; 
f.__proto__={}; 
function crash(){  function f(){    var x;    function g(){      x=1; //reference anything here or will not crash.    }  }  //apply an object to the __proto__ attribute  f.__proto__={};   //the following call will cause crash  f();}  
5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5872/3703c3c05f398a63e55992f7687ef65273b26d6a/regress-319683.js/clean/js/tests/js1_5/extensions/regress-319683.js