[Bug c++/31397] Useful compiler warning missing (virtual functions in derived classes used without 'virtual')

[jwakely dot gcc at gmail dot com]

------- Comment #12 from jwakely dot gcc at gmail dot com  2009-08-11 14:16 -------
revised 'Explicit Virtual Function Overrides' paper:
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2009/n2928.htm


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31397