[Bug c++/50477] -Wunused-parameter should not warn about virtual method declarations with bodies

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50477

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-09-22 
21:14:56 UTC ---
Having a name vs having correct documentation is the best way.  Also you can
use the attribute unused in C++ now.