reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/morimoto/linux/commit/9dc7690e8c84c67ffe3d525e1a5bdf66338f3529
        git remote add morimoto https://github.com/morimoto/linux
        git fetch --no-tags morimoto sound-pcm-cleanup-2024-09-06
        git checkout 9dc7690e8c84c67ffe3d525e1a5bdf66338f3529
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash sound/soc/