https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101603 Bug 101603 depends on bug 89960, which changed state.
Bug 89960 Summary: Implicit derived to base conversion considered type punning. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89960 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE