reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/oracle/dtrace-linux-kernel/commit/df8b67f4493c3b35575a87765a6afdfeb61ebb64
        git remote add oracle-dtrace https://github.com/oracle/dtrace-linux-kernel
        git fetch --no-tags oracle-dtrace v2/6.7
        git checkout df8b67f4493c3b35575a87765a6afdfeb61ebb64
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-14 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-14 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash