If this issue affects arm64, ppc64el, and s390x builds, but NOT amd64, then we should selectively disable LTO on a per-arch basis (checking $DEB_HOST_ARCH) and not disable it across the board.
If this issue affects arm64, ppc64el, and s390x builds, but NOT amd64, then we should selectively disable LTO on a per-arch basis (checking $DEB_HOST_ARCH) and not disable it across the board.