Added fields to ReferenceEdgeProperties and combed over all classes that need proper...

[IRC.git] / Robust / src / Analysis / OwnershipAnalysis / ChangeTupleSet.java

diff --git a/Robust/src/Analysis/OwnershipAnalysis/ChangeTupleSet.java b/Robust/src/Analysis/OwnershipAnalysis/ChangeTupleSet.java
index 498cda9bec2a4c6863303c6031f1c0edb31bd349..1a91061aac0241f289eb79390bd669f6fa39ba3a 100644 (file)
--- a/Robust/src/Analysis/OwnershipAnalysis/ChangeTupleSet.java
+++ b/Robust/src/Analysis/OwnershipAnalysis/ChangeTupleSet.java
@@ -57,6 +57,10 @@ public class ChangeTupleSet extends Canonical {
     }
 
     public boolean equals( Object o ) {
+       if( o == null ) {
+           return false;
+       }
+
        if( !(o instanceof ChangeTupleSet) ) {
            return false;
        }