bug#21415: 25.0.50; Emacs Trunk -- pixelwise width/height for x-create-frame

[martin rudalics]

> I have been able to reproduce the disregarding `top` frame parameter
> error with a much simpler example that does not involve
> `ns-auto-hide-menu-bar`.  I'm not sure why these simple tests are
> intermittently crashing the Emacs application with no user settings.
>
> ;; WORKING -- respects `top` parameter.
> (make-frame '(
>    (top . 50)
>    (left . 50)
>    ;; (height . 250.0)
>    (width . 250.0)))
>
> ;; BROKEN -- disregards `top` parameter.
> (make-frame '(
>    (top . 50)
>    (left . 50)
>    (height . 250.0)
>    (width . 250.0)))

Can you step through x_set_offset to find out which offsets we provide
and what we eventually pass on?

martin