diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMBinding.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMBinding.java
index e01a3518835..dab29308b72 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMBinding.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMBinding.java
@@ -297,6 +297,10 @@ public abstract class PDOMBinding extends PDOMNamedNode implements IIndexFragmen
 	}
 	
 	public boolean equals(Object o) {
+		if (o instanceof PDOMNode) {
+			PDOMNode node= (PDOMNode) o;
+			return pdom==node.pdom && record == node.record;
+		}
 		return compareTo(o)==0;
 	}
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNode.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNode.java
index d46e3c63e4e..128098c9c79 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNode.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNode.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2006 QNX Software Systems and others.
+ * Copyright (c) 2005, 2007 QNX Software Systems and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -72,14 +72,14 @@ public abstract class PDOMNode implements IPDOMNode {
 			return true;
 		if (obj instanceof PDOMNode) {
 			PDOMNode other = (PDOMNode)obj;
-			return pdom.equals(other.pdom) && record == other.record;
+			return pdom == other.pdom && record == other.record;
 		}
 		
 		return super.equals(obj);
 	}
 
 	public int hashCode() {
-		return 31 * pdom.getPath().hashCode() + 41 * record;
+		return System.identityHashCode(pdom) + 41*record;
 	}
 
 	public void accept(IPDOMVisitor visitor) throws CoreException {