Argument unused caused failure - Rebuild of the Debian archive with clang

"Argument unused caused failure" build failure(s)
clang 9.0.1

Unknown or unused arguments triggers errors with -Werror:
clang -Werror -ggdb3 foo.c

Versions: 2.9 - 3.0 - 3.1 - 3.2 - 3.3 - 3.4 - 3.4.2 - 3.5.0 - 3.6.0 - 3.8.1 - 3.9.1 - 4.0.1 - 5.0 - 6.0 - 8.0.1 - 9.0.1 - 10.0.0 - 11.0.0 - 12.0.1 - 13.0.0

Package	Version	Supposed error message	Full log
acpica-unix	20200214-1	clang: error: argument unused during compilation: '-pie' [-Werror,-Wunused-command-line-argument]	Log
libpsm2	11.2.86-1	clang: error: argument unused during compilation: '-specs=/usr/share/dpkg/no-pie-compile.specs' [-Werror,-Wunused-command-line-argument]	Log
librdkafka	1.2.1-1	clang: error: argument unused during compilation: '-specs=/usr/share/dpkg/no-pie-compile.specs' [-Werror,-Wunused-command-line-argument]	Log
skiboot	6.5.2-1	clang: error: argument unused during compilation: '-specs=/usr/share/dpkg/no-pie-compile.specs' [-Werror,-Wunused-command-line-argument]	Log
sphde	1.4.0-2	clang: error: argument unused during compilation: '-mhtm' [-Werror,-Wunused-command-line-argument]	Log

5 errors

Debian Package rebuild