[Bug c++/47940] can call a pure virtual from a constructor/destructor

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47940

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-03-01 10:13:57 UTC ---
This is hard to detect really.  Basically what the function usefunc needs to
marked as calling a virtual function.  If the call was direct to func instead,
it would be better.