reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/990c3b195b0558afe66bdad9d07d745e7cb588a9
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Leon-Hwang/bpf-Drop-duplicate-blank-lines-in-verifier/20260608-233454
        git checkout 990c3b195b0558afe66bdad9d07d745e7cb588a9
        # apt-get install llvm-dev

        # save the config file
        make W=1 ARCH=i386 olddefconfig
        make W=1 ARCH=i386 
        make W=1 headers_install
        make W=1 -C tools/testing/selftests