rem: f.__proto__={}; 
add: f.__proto__={}; 
context: 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();}  
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/0b675418ba636127763e94e614e62364d6caa659/regress-319683.js/buggy/js/tests/js1_5/extensions/regress-319683.js