reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/AsahiLinux/linux/commit/d7e517875764fee099f293a0d6642a840929d5db
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux rust/drm-gem-shmem
        git checkout d7e517875764fee099f293a0d6642a840929d5db
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-18 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash