Index: dom/org/eclipse/jdt/core/dom/BindingComparator.java
===================================================================
RCS file: /home/eclipse/org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/BindingComparator.java,v
retrieving revision 1.18
diff -u -r1.18 BindingComparator.java
--- dom/org/eclipse/jdt/core/dom/BindingComparator.java	15 May 2005 10:14:24 -0000	1.18
+++ dom/org/eclipse/jdt/core/dom/BindingComparator.java	15 Jun 2005 16:07:24 -0000
@@ -168,16 +168,12 @@
 			return true;
 		}
 	}
-	// TODO (olivier) should optimize to use switch(binding.kind()) & modifier bitmask comparisons
 	static boolean isEqual(org.eclipse.jdt.internal.compiler.lookup.TypeBinding typeBinding, org.eclipse.jdt.internal.compiler.lookup.TypeBinding typeBinding2, HashSet visitedTypes) {
 		if (typeBinding == typeBinding2)
 			return true;
 		if (typeBinding == null || typeBinding2 == null)
 			return false;
 
-		if (visitedTypes.contains(typeBinding)) return true;
-		visitedTypes.add(typeBinding);
-		
 		switch (typeBinding.kind()) {
 			case Binding.BASE_TYPE :
 				if (!typeBinding2.isBaseType()) {
@@ -213,6 +209,9 @@
 					&& wildcardBinding.boundKind == wildcardBinding2.boundKind;
 				
 			case Binding.TYPE_PARAMETER :
+				if (visitedTypes.contains(typeBinding)) return true;
+				visitedTypes.add(typeBinding);
+				
 				if (!(typeBinding2.isTypeVariable())) {
 					return false;
 				}