https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67342
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- The compiler is correct, see [class.copy]/11. B(B&&) is defaulted, so is defined as deleted, and "A defaulted move constructor that is defined as deleted is ignored by overload resolution"