src/third_party/mozjs-45/js/src/jit-test/tests/basic/testUndemoteLateGlobalSlots.js

function testUndemoteLateGlobalSlots() {
    for each (aaa in ["", "", 0/0, ""]) {
        ++aaa;
        for each (bbb in [0, "", aaa, "", 0, "", 0/0]) {
        }
    }
    delete aaa;
    delete bbb;
    return "ok";
}
assertEq(testUndemoteLateGlobalSlots(), "ok");