rem: expect = 'function() { for(let y in [5,6,7,8]) yield ({}); }'; 
add: expect = 'function() { for(let y in [5,6,7,8]) { yield {}; }}'; 
context: function test(){  enterFunc ('test');  printBugNumber (bug);  printStatus (summary);  var gen = function() { for(let y in [5,6,7,8]) yield ({}); };  for (let it in gen())     ;  gc();  reportCompare(expect, actual, summary);  expect = 'function() { for(let y in [5,6,7,8]) yield ({}); }';  actual = gen + '';  compareSource(expect, actual, summary);  exitFunc ('test');}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/524385a00d88e4f063466ed20ed979aebed0a8f2/regress-350793-02.js/clean/js/tests/js1_7/block/regress-350793-02.js