[Bug c++/20710] g++ should warn when hiding non-virtual method in base class

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20710

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-11-01 12:36:45 UTC ---
Attributes were still in the FCD, and are still in the current draft, but might
be removed.  Override control may not be done by attributes, but will be
present in C++0x in some form, see
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3151.html and
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3163.pdf for the
latest proposals.