Dead Code Elimination (Score 3, Informative)

Hi, we've posted an official response and explanation at the bottom of this post:
http://blogs.msdn.com/b/ie/archive/2010/11/17/html5-and-real-world-site-performance-seventh-ie9-platform-preview-available-for-developers.aspx

Bottom line - we built an optimizing compiler into the Chakra JavaScript engine that eliminates dead code where it finds it.

It's a fun conspiracy theory that we'd somehow 'game' SunSpider in this way, but it doesn't make sense that we'd go to all that risk to cheat on just one test out of 26.

Best wishes, Tim Sneath | Microsoft