.

wcfs/internal/xbtree/treediff.go

@@ -429,7 +429,7 @@ func diffX(ctx context.Context, a, b Node, δZTC SetOid, trackSet PPTreeSubSet)
 		var δtrack *ΔPPTreeSubSet
 		δ, err := diffB(ctx, aB, bB)
 		if δ != nil {
-			δtrack = &ΔPPTreeSubSet{}
+			δtrack = NewΔPPTreeSubSet()
 			δtkeycov = &RangedKeySet{}
 		}
 		return δ, δtrack, δtkeycov, err