leandrolnh

Maybe you can try ``-flto=thin`` instead, my setup works fine with this: ``` /etc/portage/env/compiler-clang.conf: CC="clang" CXX="clang++" AR="llvm-ar" NM="llvm-nm" RANLIB="llvm-ranlib" CFLAGS="-march=native -O3 -pipe -flto=thin" CXXFLAGS="${CFLAGS} -stdlib=libc++" LDFLAGS="-Wl,-O2 -Wl,--as-needed -fuse-ld=lld -stdlib=libc++ -rtlib=compiler-rt...

I think this can be closed due to https://github.com/openwrt/openwrt/commit/548ab9d7ada9812000d5fe8c4ee0aca637b45edf