https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54367 Bug 54367 depends on bug 66672, which changed state.
Bug 66672 Summary: std::is_same wrong result for captured reference value inside a lambda https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66672 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE