https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443 Bug 88443 depends on bug 103534, which changed state.
Bug 103534 Summary: [12 regression] Spurious -Wstringop-overflow warning with std::string concatencation https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103534 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED