.

wcfs/internal/xbtree/δbtail.go

@@ -474,12 +474,12 @@ func (δBtail *ΔBtail) track(path []zodb.Oid, keycov KeyRange) {
 	// nothing to do if keycov is already queued to be tracked in trackNew or krebuildJobs
 	if δTtail.krebuildJobs.IntersectsRange(keycov) {
 		tracefΔBtail("->T: nop  (already in krebuildJobs)\n")
+		assertSamePathToLeaf(job.trackNew, "job.trackNew")
 		job, r, ok := δTtail.krebuildJobs.Get_(keycov.Lo)
 		if !(ok && r == keycov) {
-			panicf("BUG: keycov is present in krebuildJobs only partly\nkeycov: %s\nkrebuildJobs: %v",
+			panicf("BUG: keycov is already present in krebuildJobs, but only partly\nkeycov: %s\nkrebuildJobs: %v",
 			       keycov, δTtail.krebuildJobs)
 		}
-		assertSamePathToLeaf(job.trackNew, "job.trackNew")
 		return
 	}