http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47940
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-03-01 12:32:19 UTC --- (In reply to comment #4) > "abstract virtual" - the class is abstract, the function is pure virtual. I forgot I already changed that ;) http://gcc.gnu.org/ml/gcc-cvs/2010-05/msg00437.html