reproduce (this is a W=1 build):
        # https://github.com/norov/linux/commit/19fff28fbf729956258aeb0cd260f8dc1186952f
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov find_first_size
        git checkout 19fff28fbf729956258aeb0cd260f8dc1186952f
        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=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/scsi/lpfc/