+checkit "$RSYNC -aHivv --debug=hlink5 --copy-dest='$todir' '$fromdir/' '$chkdir/'" "$fromdir" "$chkdir"
+
+# Create a hard link that has only one part in the hierarchy.
+echo "This is another file" >"$fromdir/solo"
+ln "$fromdir/solo" "$chkdir/solo" || fail "Can't create hardlink"
+
+# Make sure that the checksum data doesn't slide due to an HLINK_BUMP() change.
+$RSYNC -aHivc --debug=hlink5 "$fromdir/" "$chkdir/" | tee "$outfile"
+grep solo "$outfile" && test_fail "Erroneous copy of solo file occurred!"