reproduce (this is a W=1 build):
        git checkout next-20251021
        b4 shazam https://lore.kernel.org/r/8b92271e6b2a50ee6cf4f6dd015123e27be29678.1761063757.git.jani.nikula@intel.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=$HOME/0day COMPILER=gcc-8.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=nios2 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-8.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/gpu/drm/ttm/tests/