reproduce (this is a W=1 build):
        git checkout e2c20036a8879476c88002730d8a27f4e3c32d4b
        b4 shazam https://lore.kernel.org/r/6cb97b7bfd92d8dc1c1c00662114ece03b6d2913.1764069248.git.buday.csaba@prolan.hu

        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        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=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash