rem: for (var b in gen1()) 
add: for (var b in gen1()) 
context:   function gen2() {    for (var b in gen1())       yield;  }
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/0b675418ba636127763e94e614e62364d6caa659/regress-350621.js/clean/js/tests/js1_7/geniter/regress-350621.js