reproduce (this is a W=1 build):
        git checkout 9094662f6707d1d4b53d18baba459604e8bb0783
        b4 shazam https://lore.kernel.org/r/905217b6dc4dda707e3596737b4ade9a210aa445.1766331321.git.foxido@foxido.dev

        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