I see now (looking at MakeCallsStatic.RewriteCallSites) that not all call sites get replaced, there are a few edge cases, relating to split points, etc., where the call sites are not replaced....But I'm guessing it won't be a large number of cases.
http://gwt-code-reviews.appspot.com/1428804/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
