https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81930 Bug 81930 depends on bug 56879, which changed state.
Bug 56879 Summary: -Weffc++ warns about non-virtual base class destructor even if it is protected https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56879 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |WORKSFORME