### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: compiler/org/eclipse/jdt/internal/compiler/lookup/Scope.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/lookup/Scope.java,v
retrieving revision 1.275
diff -u -r1.275 Scope.java
--- compiler/org/eclipse/jdt/internal/compiler/lookup/Scope.java	16 May 2006 14:14:34 -0000	1.275
+++ compiler/org/eclipse/jdt/internal/compiler/lookup/Scope.java	18 May 2006 11:49:49 -0000
@@ -1121,7 +1121,7 @@
 							if (isCompliant14 && (receiverType.isAbstract() || receiverType.isTypeVariable())) {
 								MethodBinding interfaceMethod =
 									findDefaultAbstractMethod(receiverType, selector, argumentTypes, invocationSite, classHierarchyStart, found);
-								if (interfaceMethod != null) {
+								if (interfaceMethod != null && interfaceMethod.isValidBinding()) {
 									candidates = new MethodBinding[] {compatibleMethod, interfaceMethod};
 									return mostSpecificMethodBinding(candidates, 2, argumentTypes, invocationSite, receiverType);
 								}
@@ -1201,7 +1201,7 @@
 			if (isCompliant14 && (receiverType.isAbstract() || receiverType.isTypeVariable())) {
 				MethodBinding interfaceMethod =
 					findDefaultAbstractMethod(receiverType, selector, argumentTypes, invocationSite, classHierarchyStart, found);
-				if (interfaceMethod != null) {
+				if (interfaceMethod != null && interfaceMethod.isValidBinding()) {
 					candidates = new MethodBinding[] {candidates[0], interfaceMethod};
 					return mostSpecificMethodBinding(candidates, 2, argumentTypes, invocationSite, receiverType);
 				}
@@ -1243,7 +1243,7 @@
 				// see if there is a better match in the interfaces - see AutoBoxingTest 99
 				MethodBinding interfaceMethod =
 					findDefaultAbstractMethod(receiverType, selector, argumentTypes, invocationSite, classHierarchyStart, found);
-				if (interfaceMethod != null) {
+				if (interfaceMethod != null && interfaceMethod.isValidBinding()) {
 					candidates = new MethodBinding[] {mostSpecificMethod, interfaceMethod};
 					return mostSpecificMethodBinding(candidates, 2, argumentTypes, invocationSite, receiverType);
 				}