bug#22715: 25.0.91; Point randomly jumps during key entry

[Eli Zaretskii]

> From: Joakim Jalap <joakim.jalap@fastmail.com>
> Date: Wed, 17 Feb 2016 10:26:45 +0100
> 
> FWIW, this happens to me too. Usually in c-mode, since that's what I
> work with. I *think* I have seen a tendency for point to jump to
> beginning-of-defun quite a lot of the time.

Vanilla C Mode, or do you have some customizations there?