reproduce (this is a W=1 build):
        git checkout 47753e09a15d9fd7cdf114550510f4f2af9333ec
        b4 shazam https://lore.kernel.org/r/20260115183831.72010-2-dengler@linux.ibm.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=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash lib/crypto/tests/