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.