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 touch the frame layout. Create test content:
>
>         C-u 85 a RET
>         C-u 100 b RET
>
>  3. Move to the _start_ of the "a" line, then to the _end_ of the line
>     (C-e).
>
>  4. First C-n once then C-p once.
>
>  5. You are at the column 80 of the "b" line.

I can't reproduce this problem.  Doing C-n, then C-p, I end up on column
85.