https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118219
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Summary|Weird error: type of a |error on component of CPP |component cannot be |type declared without |abstract. |constructor Status|UNCONFIRMED |RESOLVED CC| |ebotcazou at gcc dot gnu.org --- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- > The error is issued only with the type integral_constant2 which has aspects > Import => True, Convention => CPP. > Is it correct to issue an error in this case? Yes, you need to define a constructor for import CPP types.