rem: return typeof x; 
add: return typeof x; 
context: function f(){    var x;    return typeof x;    function x()    {        return 7;        }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/3703c3c05f398a63e55992f7687ef65273b26d6a/10.1.3.js/buggy/js/tests/ecma_3/ExecutionContexts/10.1.3.js