"Argument unused caused failure" build failure(s)
clang 13.0.0
Unknown or unused arguments triggers errors with -Werror:
clang -Werror -ggdb3 foo.c
| Package | Version | Supposed error message | Full log | 
Bug report | 
|  acm  | 6.0+20200416-1 | clang: error: argument unused during compilation: '-fmax-errors=99' [-Werror,-Wunused-command-line-argument]
  | Log | 
740019
 | 
             
|  acpica-unix  | 20200925-6 | clang: error: argument unused during compilation: '-pie' [-Werror,-Wunused-command-line-argument]
  | Log | 
 | 
             
|  python-pyxattr  | 0.7.2-1 | clang: error: argument unused during compilation: '-specs=/usr/share/dpkg/no-pie-compile.specs' [-Werror,-Wunused-command-line-argument]
  | Log | 
 | 
             
|  skiboot  | 6.7.1+dfsg-1 | clang: error: argument unused during compilation: '-specs=/usr/share/dpkg/no-pie-compile.specs' [-Werror,-Wunused-command-line-argument]
  | Log | 
 | 
             
4 errors