Bug#1055605: fstack-clash-protection hardening change breaks building packages with clang on arm64

Package: dpkg-dev Version: 1.22.0 Severity: important Hi, The recent change (https://git.dpkg.org/cgit/dpkg/dpkg.git/diff/?id=11efff1bf) breaks building Debian packages with clang on arm64. LLVM does not have -fstack-clash-protection enabled on aarch64 (https://reviews.llvm.org/D96007). Here

Bug#952769: isc-dhcp-client: Package "isc-dhcp-client" is not installable in the Debian SID PowerPC Port. Unmet dependencies: "libdns1107" and "libisc1104"

Package: isc-dhcp-client Version: 4.4.1-2.1 Severity: grave Tags: d-i a11y Justification: renders package unusable -- System Information: Debian Release: bullseye/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: PowerPC Kernel: Linux 5.4.0-4-amd64 (SMP w/16 CPU cores)