https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443 Bug 88443 depends on bug 92939, which changed state.
Bug 92939 Summary: missing -Wstringop-overflow on negative index from the end of array https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92939 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED