js/src/jit-test/tests/ion/unboxed-objects-invalidate.js


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var a = [];
for (var i = 0; i < 2000; i++)
    a.push({f:i});

function f() {
    var total = 0;
    for (var i = 0; i < a.length; i++)
        total += a[i].f;
    return total;
}
assertEq(f(), 1999000);

var sub = Object.create(a[0]);

assertEq(f(), 1999000);