https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87403 Bug 87403 depends on bug 67906, which changed state.
Bug 67906 Summary: Missing warning about std::move without effect https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67906 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED