reproduce (this is a W=1 build):
        git checkout 122b52f0bab007ebeb414c8280c1def17b9ed1f4
        b4 shazam https://lore.kernel.org/r/20260611-b4-rfc-loadpin-ebpf-v1-1-11a6c8e6170d@outlook.com

        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=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=nios2 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=nios2 SHELL=/bin/bash