>> I will install VS 2008 on my machine and see what it says but my money >> right now is that this will work on that platform and is a bug in the >> Sun compiler. >> > > I'm not so sure. The counter argument is: dynamic-cast operates on run time > types. The run-time type is AsyncIO. AsyncIO is not (publicly) a > DispatchHandler therefore the cast should fail.
OK, I tried this out with VS 2008. It agrees with gcc, and the cast succeeds. RG
