bug#19076: 25.0.50; Switching vertical scroll bars off makes the mode line and buffer area disappear

[martin rudalics]

> frame pixel: 596 x 1182   cols/lines: 85 x 88   units: 7 x 13
> frame text pixel: 578 x 1144   cols/lines: 82 x 88
> tool: 36  scroll: 0/0  fringe: 16  border: 1  right: 0  bottom: 0
>
> #<window 3 on *scratch*>   parent: nil
> pixel left: 0   top: 36   size: 594 x 1131   new: 0
> char left: 0   top: 3   size: 84 x 87   new: 0
> normal: 1.0 x 1.0   new: 0
> body pixel: 578 x 1118   char: 82 x 86
> width left fringe: 8  left margin: 0  right margin: 0
> width right fringe: 8  scroll-bar: 0  divider: 0
> height header-line: 0  mode-line: 13  divider: 0
>
> #<window 4 on  *Minibuf-0*>   parent: nil
> pixel left: 0   top: 1167   size: 594 x 13   new: 0
> char left: 0   top: 90   size: 594 x 1   new: 0
> normal: 1.0 x 1.0   new: 0
> body pixel: 578 x 13   char: 82 x 1
> width left fringe: 8  left margin: 0  right margin: 0
> width right fringe: 8  scroll-bar: 0  divider: 0
> height header-line: 0  mode-line: 0  divider: 0

These values look completely normal.  Please tell me also the value
returned by (x-frame-geometry).

Do mode line and echo area reappear when you change the frame size or
split a window?

martin