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function foo() {
arguments.length = 2;
return bar(...arguments);
}
function bar() {
var result = 0;
for (var x of arguments) {
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);