reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/efe6a2a0073c5db6aaa2d79dd68bde98dc335112
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Nathan-Chancellor/kbuild-Bump-minimum-version-of-LLVM-for-building-the-kernel-to-17-0-1/20260518-071448
        git checkout efe6a2a0073c5db6aaa2d79dd68bde98dc335112

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/char/