https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67557
Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|Calling copy constructor of |[4.9/5/6 regression] |base class in constructor |Calling copy constructor of |of derived class produces |base class in constructor |crashing code |of derived class produces | |crashing code --- Comment #12 from Jason Merrill <jason at gcc dot gnu.org> --- This seems to be a regression from 4.0.