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

function testMoreClosures() {
    var f = {}, max = 3;

    var hello = function(n) {
        function howdy() { return n * n }
        f.test = howdy;
    };

    for (var i = 0; i <= max; i++)
        hello(i);

    return f.test();
}
assertEq(testMoreClosures(), 9);