reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/amir73il/linux/commit/d04bf34990abfcf261e74b40f7804b64a31f0a53
        git remote add amir73il https://github.com/amir73il/linux
        git fetch --no-tags amir73il fsnotify-perf
        git checkout d04bf34990abfcf261e74b40f7804b64a31f0a53
        # 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 fs/