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function foo() {
arguments.length = 2;
var args = Array.prototype.slice.call(arguments);
return bar(args);
}
function bar(args) {
var result = 0;
for (var x of args) {
result += x;
}
return result;
}
var sum = 0;
for (var i = 0; i < 100; i++) {
sum += foo(1, 2, 3, 4, 5, 6);
}
assertEq(sum, 300);