[Bug c++/61732] Derivation from final class incorrectly allowed

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61732

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
The error happens outside the immediate context.

See http://stackoverflow.com/a/15261234/981959