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actual = '';
expected = '4,';
function k(f_arg) {
for (var i = 0; i < 5; ++i) {
f_arg(i);
}
}
function t() {
var x = 1;
function u() {
k(function (i) { x = i; });
appendToActual(x);
}
u();
}
t();
assertEq(actual, expected)