diff0f1cd5a2 Thu Jul 12 16:53:09 GMT 2018 krw <krw@openbsd.org> Cleanup and clarify the has_overlap() logic so it can be read by normal people and is more efficient to boot.
The only intentional functional change was to use mergesort() instead of heapsort() so that partitions with the same offset retain their order in the emitted verbiage.