bug#931: 23.0.60; Bug in bytecomp.el: displaying warnings

[martin rudalics]

>     I suppose the byte-compiler should either refrain from using
>     `display-warning'
>
> That would be very drastic and cause a lot of inconvenience
> in the normal situation where there is no bug!

I obviously meant use something different instead of `display-warning'.

>                  or, if `pop-up-windows' and `pop-up-frames' are nil,
>     not display a warning until compilation is complete.
>
> The solution that occurs to me is that `display-warning' should
> bind `pop-up-windows' to t in that case.

This would (1) ignore a user preference and (2) not work when the window
can't be split for some reason.

martin