[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 #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-11-01 
11:22:26 UTC ---
This would also be solved by the "override control" features coming in C++0x

c.f. PR 17920, PR 31397, PR 36848