On 14 October 2013 10:25, Florian Weimer wrote: > Are C++11 final classes really final, or is it still possible to define a > derived class through some hack without violating language rules? > > It seems we devirtualize calls to virtual members of final classes in some > cases, so I assume final is really final, but I'm not sure. :-) It's intended to be really final, so devirtualization is allowed.