> Nicolas Cannasse wrote:
> > let test() =
> >     let a = Obj.new_block 0 0 in
> >     let b = Obj.dup a in
> >     Gc.major()
> > ;;
>
> Because the function caml_obj_dup returns directly the argument
> when it has size 0. I guess it should use CAMLreturn and not return,
> because it defines local variables with CAMLlocal.
>
> -- Alain

Exact.
Could this be fixed in next release ?
I don't understand why it returns the argument since even with 0 fields the
tag is mutable using Obj.set_tag.

Regards,
Nicolas