Closures memory leak test

gistfile1.js

var functionRefs = [];

function callMeBack(callback)
{
    setTimeout(callback, 100);

    functionRefs.push(callback); // If I comment this, the leak dissapears!!! -> But I can't do this, it's handled by Parse
}

function start()
{
    var bigArray = []; // 10 MB
    for (var i = 0; i < 10 * 1024 * 1024; i++)
    {
        bigArray[i] = 0;
    }

    callMeBack(function ()
    {
        console.log(bigArray.length);

        setTimeout(start, 100);

        //bigArray = null;  // If I uncomment this, the leak dissapears!!! -> And this is something I can do :)
    });
}

start();