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function popper(a) {
return a.pop();
}
function foo(x) {
for (var i = 0; i < 10; i++) {
var q = popper(x);
if (i < 5)
assertEq(q, 5 - i);
else
assertEq(q, undefined);
}
return q;
}
var q = foo([1,2,3,4,5]);
assertEq(q, undefined);