MarsSeed [1] filed a deletion request for gcc-gcj-ecj [2]: Cleanup of unused Eclipse ecj fork for gcc6, after the deletion of the defunct pdftk-gcj (PRQ#49713).
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/gcc-gcj-ecj/
