Another stack trace

[Dave Abrahams]

Sebastian Spaeth <Sebastian <at> SSpaeth.de> writes:

> 
> On Wed, 30 Nov 2011 16:34:55 -0600, John Wiegley 
> <jwiegley <at> gmail.com> wrote:
> > IntegrityError: PRIMARY KEY must be unique
> This is the same issue that made 6.4.x unreliable. We would believe that
> multiple uploads returned the same UID value.
> 
> > Did I lose any data, do you think?
> 
> I do not think so. This should not be occurring in the latest releases
> anymore, as it has been fixed.

Which checkin supposedly fixed it?  I am getting it on the current
next branch.