reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        git remote add vgupta-arc https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git
        git fetch vgupta-arc for-curr
        git checkout vgupta-arc/for-curr
        b4 shazam https://lore.kernel.org/r/20241010135146.181175-3-vincenzo.frascino@arm.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=s390 prepare