https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 68092, which changed state.
Bug 68092 Summary: [C++1z] error: Two symbols with same comdat_group are not linked by the same_comdat_group list. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68092 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE