rem: function gen(i) { yield i; } 
add: function gen(i) { try { yield i; } finally { name_that_does_not_exist_in_the_scope_chain = 1; } } 
context: function gen(i) { yield i; }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/4f2f7bdffb7648c3e75116e9c7b8b6e01704e358/regress-341500.js/clean/js/tests/js1_7/iterable/regress-341500.js