https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443 Bug 88443 depends on bug 103332, which changed state.
Bug 103332 Summary: [12 Regression] Spurious -Wstringop-overflow on string concatenation in libstdc++ tests https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103332 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE