https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 78141, which changed state.
Bug 78141 Summary: Missing uninitialized warning about struct member after change another struct definition (without optimization) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78141 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED