### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: compiler/org/eclipse/jdt/internal/compiler/lookup/TypeBinding.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/lookup/TypeBinding.java,v
retrieving revision 1.108
diff -u -r1.108 TypeBinding.java
--- compiler/org/eclipse/jdt/internal/compiler/lookup/TypeBinding.java	19 Feb 2010 10:11:37 -0000	1.108
+++ compiler/org/eclipse/jdt/internal/compiler/lookup/TypeBinding.java	17 Jun 2010 06:49:21 -0000
@@ -295,7 +295,7 @@
 			int nextPosition = 0;
 			do {
 				ReferenceBinding[] itsInterfaces = currentType.superInterfaces();
-				if (itsInterfaces != Binding.NO_SUPERINTERFACES) {
+				if (itsInterfaces != null && itsInterfaces != Binding.NO_SUPERINTERFACES) {
 					if (interfacesToVisit == null) {
 						interfacesToVisit = itsInterfaces;
 						nextPosition = interfacesToVisit.length;
@@ -320,7 +320,7 @@
 				if (currentType.original() == otherType)
 					return currentType;
 				ReferenceBinding[] itsInterfaces = currentType.superInterfaces();
-				if (itsInterfaces != Binding.NO_SUPERINTERFACES) {
+				if (itsInterfaces != null && itsInterfaces != Binding.NO_SUPERINTERFACES) {
 					int itsLength = itsInterfaces.length;
 					if (nextPosition + itsLength >= interfacesToVisit.length)
 						System.arraycopy(interfacesToVisit, 0, interfacesToVisit = new ReferenceBinding[nextPosition + itsLength + 5], 0, nextPosition);
#P org.eclipse.jdt.core.tests.compiler