### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core.tests.model
Index: src/org/eclipse/jdt/core/tests/model/CompletionContextTests.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/CompletionContextTests.java,v
retrieving revision 1.14
diff -u -r1.14 CompletionContextTests.java
--- src/org/eclipse/jdt/core/tests/model/CompletionContextTests.java	27 Jun 2008 16:02:38 -0000	1.14
+++ src/org/eclipse/jdt/core/tests/model/CompletionContextTests.java	4 Sep 2008 13:03:18 -0000
@@ -4899,4 +4899,33 @@
 		"visibleElements={}",
 		result.context);
 }
+//https://bugs.eclipse.org/bugs/show_bug.cgi?id=243023
+public void test0166() throws JavaModelException {
+	this.workingCopies = new ICompilationUnit[1];
+	this.workingCopies[0] = getWorkingCopy(
+		"/Completion/src3/test0001/X.java",
+		"package test0001;\n" +
+		"public class X {\n" +
+		"  public void foo() {\n" +
+		"    if ( null == /**/\n" +
+		"  }\n" +
+		"}");
+
+	String str = this.workingCopies[0].getSource();
+	int tokenStart = str.lastIndexOf("/**/");
+	int tokenEnd = tokenStart + "".length() - 1;
+	int cursorLocation = str.lastIndexOf("/**/") + "".length();
+
+	CompletionResult result = contextComplete(this.workingCopies[0], cursorLocation);
+
+	assertResults(
+		"completion offset="+(cursorLocation)+"\n" +
+		"completion range=["+(tokenStart)+", "+(tokenEnd)+"]\n" +
+		"completion token=\"\"\n" +
+		"completion token kind=TOKEN_KIND_NAME\n" +
+		"expectedTypesSignatures=null\n" +
+		"expectedTypesKeys=null\n"+
+		"completion token location=UNKNOWN",
+		result.context);
+}
 }
#P org.eclipse.jdt.core
Index: codeassist/org/eclipse/jdt/internal/codeassist/CompletionEngine.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/codeassist/org/eclipse/jdt/internal/codeassist/CompletionEngine.java,v
retrieving revision 1.371
diff -u -r1.371 CompletionEngine.java
--- codeassist/org/eclipse/jdt/internal/codeassist/CompletionEngine.java	8 Jul 2008 13:29:04 -0000	1.371
+++ codeassist/org/eclipse/jdt/internal/codeassist/CompletionEngine.java	4 Sep 2008 13:03:21 -0000
@@ -9803,7 +9803,7 @@
 		}
 	}
 	private void addExpectedType(TypeBinding type, Scope scope){
-		if (type == null || !type.isValidBinding()) return;
+		if (type == null || !type.isValidBinding() || type == TypeBinding.NULL) return;
 
 		// do not add twice the same type
 		for (int i = 0; i <= this.expectedTypesPtr; i++) {