https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 100699, which changed state.
Bug 100699 Summary: g++ doesn't warn uninitialized field when the class is derived from another class https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100699 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED