Re: Why is `(1 . width)` zero?

[Robert Pluim]

>>>>> On Tue, 19 Jan 2021 10:37:24 +0100, Jörg Sommer <joerg@jo-so.de> said:
    Jörg> Sorry, I've picked the wrong commit. This one fixes the problem and a
    Jörg> backport to 27.1 fixes it there, too.

    Jörg> commit c7804ac4018fb03787f291d7ef1739b34914d930 (HEAD, 
refs/bisect/with-space)
    Jörg> Author: Stefan Monnier <monnier@iro.umontreal.ca>
    Jörg> Date:   Thu Oct 8 09:49:20 2020 -0400

    Jörg>     * src/ftcrfont.c (ftcrfont_open): Initialize the `max_width` field
    
    Jörg>     On a 32bit build, Emacs can otherwise crash with a 
!FIXNUM_OVERFLOW_P
    Jörg>     assertion in `Ffont_info` by simply doing `emacs -Q` and then 
`C-s`.
    
    Jörg>     * src/font.c: Try and detect uninitialized `max_width` fields.
    Jörg>     (font_make_object): Set max_width to a silly value.
    Jörg>     (Ffont_info): Check the value is not silly any more.

Eli, is this ok to backport to emacs-27?

Thanks

Robert