### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core
Index: search/org/eclipse/jdt/internal/core/search/matching/MethodLocator.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/search/org/eclipse/jdt/internal/core/search/matching/MethodLocator.java,v
retrieving revision 1.89
diff -u -r1.89 MethodLocator.java
--- search/org/eclipse/jdt/internal/core/search/matching/MethodLocator.java	19 Jun 2009 14:43:48 -0000	1.89
+++ search/org/eclipse/jdt/internal/core/search/matching/MethodLocator.java	31 Aug 2010 17:26:03 -0000
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2009 IBM Corporation and others.
+ * Copyright (c) 2000, 2010 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -677,7 +677,7 @@
  * Returns IMPOSSIBLE_MATCH if it doesn't.
  */
 protected int resolveLevelAsSubtype(char[] qualifiedPattern, ReferenceBinding type, TypeBinding[] argumentTypes) {
-	if (type == null) return INACCURATE_MATCH;
+	if (type == null || !type.isValidBinding()) return INACCURATE_MATCH;
 
 	int level = resolveLevelForType(qualifiedPattern, type);
 	if (level != IMPOSSIBLE_MATCH) {
@@ -690,7 +690,9 @@
 
 	// matches superclass
 	if (!type.isInterface() && !CharOperation.equals(type.compoundName, TypeConstants.JAVA_LANG_OBJECT)) {
-		level = resolveLevelAsSubtype(qualifiedPattern, type.superclass(), argumentTypes);
+		ReferenceBinding superclass = type.superclass();
+		if (superclass == null || !superclass.isValidBinding()) return INACCURATE_MATCH;
+		level = resolveLevelAsSubtype(qualifiedPattern, superclass, argumentTypes);
 		if (level != IMPOSSIBLE_MATCH) {
 			if (argumentTypes != null) {
 				// need to verify if method may be overridden