reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/0836935ce0e87c942b3f02ea8c134c1116593ebc
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Thorsten-Blum/x86-boot-compressed-Remove-unused-variables-in-EFI-helpers/20260622-190409
        git checkout 0836935ce0e87c942b3f02ea8c134c1116593ebc

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash