gromit [1] filed a deletion request for gdb-multiarch [2]: The gdb package in [extra] now contains the relevant compile options and should work for the same usecase :)
https://gitlab.archlinux.org/archlinux/packaging/packages/gdb/-/commit/baa8b09ae93345ed66c028e6d1479e0ac1cc8311 [1] https://aur.archlinux.org/account/gromit/ [2] https://aur.archlinux.org/pkgbase/gdb-multiarch/
