bug#14170: 24.3; linum won't create all overlays after a folding

[Eli Zaretskii]

> Date: Thu, 11 Apr 2013 02:37:55 +0100
> From: E Sabof <esabof@gmail.com>
> Cc: 14170@debbugs.gnu.org
> 
> The reason I've noticed/reported this bug was because I was working on a
> mode with a similar implementation to linum's, and got the same behavior.
> This is not a linum bug.

Can you show a simple test case to reproduce this bug without using
linum (or any other mode that is too large)?

A simple reproduction recipe is 50% of a solution.

Thanks.