Re: Problem with id when mgetgroups returns no groups.

[Jim Meyering]

Eric Blake wrote:
> I'm squashing this in, since it is indeed a user-visible regression (commit
> 6a31fd8d7).
>
> diff --git i/NEWS w/NEWS
> index 9f7bf2e..41622c0 100644
> --- i/NEWS
> +++ w/NEWS
> @@ -4,6 +4,9 @@ GNU coreutils NEWS                                    -*-
> outline -*-
>
>  ** Bug fixes
>
> +  id could crash on systems without supplementary group support.
> +  [bug introduced in coreutils-8.1]

Good idea.

I was thinking a test would be cute, albeit linux-specific,
with a faked ENOSYS-returning getgroups function, but it's probably
not worth the trouble.