> I'm not sure - as far as I read the BFD code it iterates over _output_ > sections. So what's in the output section matters. You are right, I fixed length of the random seed and it does not help. > Yes, if those > section names somehow prevail that would be an issue. But as said the > difference in .debug_line of the resulting object will be enough to > trigger a build-id difference (and Bernhard said without debug info > the differences vanish). Yes, without debug info, buildid is stable. I see a divergence in a debug info column of an output ltrans file. Dunno how to carry..