bug#3494: 23.0.94; line-move-visual: temporary goal column confused by hscrolling

[Chong Yidong]

Teemu Likonen <tlikonen@iki.fi> writes:

>  1. emacs -Q -f toggle-truncate-lines
>
>  2. Don't change the size of the window. Create test buffer with
>     commands:
>
>         C-u 85 a RET
>         C-u 100 b RET
>
>  3. Move the cursor to the end of the first (the line with a's).
>
>  4. Enable goal column: C-x C-n
>
>  5. Repeat C-n and C-p. The column changes quite wildly.
>
> The problem goes away if I set line-move-visual to nil.

I can't reproduce this.  Could you try with the latest patch in the
trunk?