reproduce (this is a W=1 build): # https://github.com/morimoto/linux/commit/ed950a3f7a9bf4445c6ea314b6e0a5f0733f6505 git remote add morimoto https://github.com/morimoto/linux git fetch --no-tags morimoto sound-cleanup-2026-04-20 git checkout ed950a3f7a9bf4445c6ea314b6e0a5f0733f6505 git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash sound/soc/amd/acp/