Fix 139787 - Implement a simple isSameType for PDOMCStructure and an equals for PDOMNode.

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNode.java

@@ -69,6 +69,17 @@ public abstract class PDOMNode implements IPDOMNode{
 		return record;
 	}
 	
+	public boolean equals(Object obj) {
+		if (obj == this)
+			return true;
+		if (obj instanceof PDOMNode) {
+			PDOMNode other = (PDOMNode)obj;
+			return pdom.equals(other.pdom) && record == other.record;
+		}
+		
+		return super.equals(obj);
+	}
+
 	public void accept(IPDOMVisitor visitor) throws CoreException {
 		// No children here.
 	}

core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCStructure.java

@@ -66,7 +66,11 @@ public class PDOMCStructure extends PDOMMemberOwner implements ICompositeType {
 	}
 
 	public boolean isSameType(IType type) {
-		throw new PDOMNotImplementedError();
+		if (equals(type))
+			return true;
+		else
+			// TODO - see if it matches
+			return false;
 	}
 
 }