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var foo;
function* gen() {
var x = 0;
foo = function() { return x++; }
for (var i = 0; i < 10; ++i)
yield x++;
}
var j = 0;
for (i of gen())
assertEq(i, j++);
// now mess up the stack
function f1(x) {
var a, b, c, d, e, f, g;
return x <= 0 ? 0 : f1(x-1);
}
f1(10);
function f2(x) {
var a = x, b = x;
return x <= 0 ? 0 : f2(x-1);
}
f2(10);
// now observe gen's call object (which should have been put)
gc();
assertEq(foo(), 10);
gc();
assertEq(foo(), 11);
gc();
assertEq(foo(), 12);
reportCompare(true,true);