From Yes, you can have fun with downloads: Original thread: https://www.wilderssecurity.com/threads/browser-pocs-to-test.325288/. Apparently this hasn't been fixed in any of the affected browsers yet.
What is supposed to happen when you click on http://lcamtuf.coredump.cx/fldl/? I get redirected to http://get.adobe.com/nl/flashplayer/ and it looks like a download of Flash Player is presented twice?