https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443 Bug 88443 depends on bug 109970, which changed state.
Bug 109970 Summary: -Wstringop-overflow should work with parameter forward declarations https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109970 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED