Merge tag 'kbuild-fixes-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Fix bugs in checkkconfigsymbols.py

 - Fix missing sys import in gen_compile_commands.py

 - Fix missing FORCE warning for ARCH=sh builds

 - Fix -Wignored-optimization-argument warnings for Clang builds

 - Turn -Wignored-optimization-argument into an error in order to stop
   building instead of sprinkling warnings

* tag 'kbuild-fixes-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: Add -Werror=ignored-optimization-argument to CLANG_FLAGS
  x86/build: Do not add -falign flags unconditionally for clang
  kbuild: Fix comment typo in scripts/Makefile.modpost
  sh: Add missing FORCE prerequisites in Makefile
  gen_compile_commands: fix missing 'sys' package
  checkkconfigsymbols.py: Remove skipping of help lines in parse_kconfig_file
  checkkconfigsymbols.py: Forbid passing 'HEAD' to --commit