https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116399
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> --- Thanks! I'll submit an LWG issue to add something saying there's an unspecified constructor, or just say explicitly that it's not default constructible.