servo/servo — pull request #3170 by SimonSapin (2014-08-27 17:11:25+00:00)
Title: Transmute std::raw::TraitObject rather than (some) custom tuples/structs

Context: http://www.mail-archive.com/dev-servo@lists.mozilla.org/msg00867.html

This fixes the known issues, but there might be other places where we do "bad" transmutes that I haven’t discovered.