Rhinoceros [1] filed an orphan request for font-symbola [2]: Package has been broken for over a year. A fix was proposed two months ago. I can confirm that this fix works. The maintainer has not responded to comments for months, including the fix.
[1] https://aur.archlinux.org/account/Rhinoceros/ [2] https://aur.archlinux.org/pkgbase/font-symbola/
