mini fix

2021-01-31 17:53:58 +01:00
parent f275d5f4a6
commit 9536e09f1c
1 changed files with 2 additions and 1 deletions
--- a/src/main/java/codegen/analysis/liveness/InterferenceNode.java
+++ b/src/main/java/codegen/analysis/liveness/InterferenceNode.java
@ -1,5 +1,6 @@
 package codegen.analysis.liveness;

+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Objects;
 import java.util.Set;
@ -49,7 +50,7 @@ public class InterferenceNode {
    }

    public Set<InterferenceNode> getNeighbourSet() {
-        return this.neighbours;
+        return Collections.unmodifiableSet(this.neighbours);
    }

    public boolean addNeighbour(InterferenceNode node) {