### 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 1.299
diff -u -r1.299 Scope.java
--- compiler/org/eclipse/jdt/internal/compiler/lookup/Scope.java	29 Jan 2007 07:37:02 -0000	1.299
+++ compiler/org/eclipse/jdt/internal/compiler/lookup/Scope.java	23 Feb 2007 10:05:43 -0000
@@ -1108,7 +1108,7 @@
 			}
 			currentType = currentType.superclass();
 		}
-
+		
 		// if found several candidates, then eliminate those not matching argument types
 		int foundSize = found.size;
 		MethodBinding[] candidates = null;
@@ -1235,6 +1235,17 @@
 			&& parameterCompatibilityLevel(mostSpecificMethod, argumentTypes) > COMPATIBLE) {
 				// see if there is a better match in the interfaces - see AutoBoxingTest 99
 				return findDefaultAbstractMethod(receiverType, selector, argumentTypes, invocationSite, classHierarchyStart, found, mostSpecificMethod);
+		} else if (isCompliant14 && classHierarchyStart.isAbstract()) {
+			if (mostSpecificMethod.isValidBinding()) {
+				// see if there is a better match in the interfaces - see LookupTest#81
+				return findDefaultAbstractMethod(receiverType, selector, argumentTypes, invocationSite, classHierarchyStart, found, mostSpecificMethod);
+			} else {
+				// see if there is still a match in the interfaces - see LookupTest#84
+				MethodBinding interfaceMethod = findDefaultAbstractMethod(receiverType, selector, argumentTypes, invocationSite, classHierarchyStart, found, null);
+				if (interfaceMethod != null && interfaceMethod.isValidBinding() /* else return the same error as before */) {
+					return interfaceMethod;
+				}
+			}
 		}
 		return mostSpecificMethod;
 	}