diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
index dd277c664dc..70cda103998 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPTemplateResolutionTest.java
@@ -1676,7 +1676,7 @@ public class IndexCPPTemplateResolutionTest extends IndexBindingResolutionTestBa
 	//	  vector<int> v;
 	//	  f(v.begin());
 	//	}
-	public void _testTemplateMetaprogramming_284686() throws Exception { 
+	public void testTemplateMetaprogramming_284686() throws Exception { 
 		getBindingFromASTName("f(v.begin())", 1, ICPPFunction.class);
 	}
 	
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/IIndexCPPBindingConstants.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/IIndexCPPBindingConstants.java
index c049efc3c72..16292213811 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/IIndexCPPBindingConstants.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/index/IIndexCPPBindingConstants.java
@@ -61,4 +61,5 @@ public interface IIndexCPPBindingConstants {
 	 int CPP_FRIEND_DECLARATION = IIndexBindingConstants.LAST_CONSTANT + 45;
 	 int CPP_TEMPLATE_TEMPLATE_PARAMETER= IIndexBindingConstants.LAST_CONSTANT + 46;
 	 int CPP_CLASS_TEMPLATE_PARTIAL_SPEC_SPEC = IIndexBindingConstants.LAST_CONSTANT + 47;
+	 int CPP_UNKNOWN_BINDING = IIndexBindingConstants.LAST_CONSTANT + 48;
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOM.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOM.java
index 14e66009dd8..8d7941d8679 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOM.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/PDOM.java
@@ -182,10 +182,11 @@ public class PDOM extends PlatformObject implements IPDOM {
 	 *  
 	 *  CDT 7.0 development (versions not supported on the 6.0.x branch)
 	 *  90.0 - support for array sizes, bug 269926
+	 *  91.0 - storing unknown bindings other than unknown class types, bug 284686.
 	 */
-	private static final int MIN_SUPPORTED_VERSION= version(90, 0);
-	private static final int MAX_SUPPORTED_VERSION= version(90, Short.MAX_VALUE);
-	private static final int DEFAULT_VERSION = version(90, 0);
+	private static final int MIN_SUPPORTED_VERSION= version(91, 0);
+	private static final int MAX_SUPPORTED_VERSION= version(91, Short.MAX_VALUE);
+	private static final int DEFAULT_VERSION = version(91, 0);
 	
 	private static int version(int major, int minor) {
 		return (major << 16) + minor;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMLinkage.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMLinkage.java
index 31046feb2fa..8f8245f72a1 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMLinkage.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMLinkage.java
@@ -175,8 +175,14 @@ public abstract class PDOMLinkage extends PDOMNamedNode implements IIndexLinkage
 		return null;
 	}
 
-	public PDOMNode getNode(long record) throws CoreException {
-		switch (PDOMNode.getNodeType(fDatabase, record)) {
+	public final PDOMNode getNode(long record) throws CoreException {
+		if (record == 0) {
+			return null;
+		}
+		final int nodeType= PDOMNode.getNodeType(fDatabase, record);
+		switch (nodeType) {
+		case LINKAGE:
+			return null;
 		case POINTER_TYPE:
 			return new PDOMPointerType(this, record);
 		case ARRAY_TYPE:
@@ -184,9 +190,11 @@ public abstract class PDOMLinkage extends PDOMNamedNode implements IIndexLinkage
 		case QUALIFIER_TYPE:
 			return new PDOMQualifierType(this, record);
 		}
-		return null;
+		return getNode(record, nodeType);
 	}
 
+	abstract public PDOMNode getNode(long record, int nodeType) throws CoreException;
+
 	public PDOMNode addType(PDOMNode parent, IType type) throws CoreException {
 		if (type instanceof IPointerType)
 			return new PDOMPointerType(this, parent, (IPointerType)type);
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNamedNode.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNamedNode.java
index 62415d0358b..4810f34bbb2 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNamedNode.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/PDOMNamedNode.java
@@ -17,7 +17,6 @@ package org.eclipse.cdt.internal.core.pdom.dom;
 import java.util.Arrays;
 
 import org.eclipse.cdt.core.CCorePlugin;
-import org.eclipse.cdt.core.index.IIndexBinding;
 import org.eclipse.cdt.core.parser.util.CharArrayUtils;
 import org.eclipse.cdt.internal.core.index.IIndexFragmentBinding;
 import org.eclipse.cdt.internal.core.pdom.db.Database;
@@ -123,7 +122,7 @@ public abstract class PDOMNamedNode extends PDOMNode {
 	
 	public IIndexFragmentBinding getParentBinding() throws CoreException {
 		PDOMNode parent= getParentNode();
-		if (parent instanceof IIndexBinding) {
+		if (parent instanceof IIndexFragmentBinding) {
 			return (IIndexFragmentBinding) parent;
 		}
 		return null;
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCLinkage.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCLinkage.java
index 20146951192..c19acd503c6 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCLinkage.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/c/PDOMCLinkage.java
@@ -296,11 +296,8 @@ class PDOMCLinkage extends PDOMLinkage implements IIndexCBindingConstants {
 	}
 
 	@Override
-	public PDOMNode getNode(long record) throws CoreException {
-		if (record == 0)
-			return null;
-
-		switch (PDOMNode.getNodeType(getDB(), record)) {
+	public PDOMNode getNode(long record, int nodeType) throws CoreException {
+		switch (nodeType) {
 		case CVARIABLE:
 			return new PDOMCVariable(this, record);
 		case CFUNCTION:
@@ -323,7 +320,8 @@ class PDOMCLinkage extends PDOMLinkage implements IIndexCBindingConstants {
 			return new PDOMCFunctionType(this, record);
 		}
 
-		return super.getNode(record);
+		assert false;
+		return null;
 	}
 
 	@Override
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunctionSpecialization.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunctionSpecialization.java
index 23a3780a20a..d6042ad524d 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunctionSpecialization.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPFunctionSpecialization.java
@@ -76,18 +76,17 @@ class PDOMCPPFunctionSpecialization extends PDOMCPPSpecialization implements ICP
 		
 		Database db = getDB();
 		try {
+			IParameter[] params= function.getParameters();
+			IType[] paramTypes= IType.EMPTY_TYPE_ARRAY;
 			IFunctionType ft= function.getType();
 			if (ft != null) {
 				PDOMNode typeNode = getLinkage().addType(this, ft);
 				if (typeNode != null) {
 					db.putRecPtr(record + FUNCTION_TYPE, typeNode.getRecord());
+					paramTypes= ((IFunctionType) typeNode).getParameterTypes();
 				}
 			}
 
-			ft= getType();
-			IParameter[] params= function.getParameters();
-			IType[] paramTypes= ft.getParameterTypes();
-			
 			ICPPFunction sFunc= (ICPPFunction) ((ICPPSpecialization)function).getSpecializedBinding();
 			IParameter[] sParams= sFunc.getParameters();
 			IType[] sParamTypes= sFunc.getType().getParameterTypes();
@@ -95,11 +94,13 @@ class PDOMCPPFunctionSpecialization extends PDOMCPPSpecialization implements ICP
 			final int length= Math.min(sParams.length, params.length);
 			db.putInt(record + NUM_PARAMS, length);
 			for (int i=0; i<length; ++i) {
+				final PDOMNode stype= linkage.addType(this, i<sParamTypes.length ? sParamTypes[i] : null);
+				final long stypeRec= stype == null ? 0 : stype.getRecord();
+				PDOMCPPParameter sParam = new PDOMCPPParameter(getLinkage(), this, sParams[i], stypeRec);
+
 				long typeRecord= i<paramTypes.length && paramTypes[i]!=null ? ((PDOMNode)paramTypes[i]).getRecord() : 0;
-				//TODO shouldn't need to make new parameter (find old one)
-				final IType type= i<sParamTypes.length ? sParamTypes[i] : null;
-				PDOMCPPParameter sParam = new PDOMCPPParameter(getLinkage(), this, sParams[i], type);
-				setFirstParameter(new PDOMCPPParameterSpecialization(getLinkage(), this, (ICPPParameter) params[i], sParam, typeRecord));
+				final ICPPParameter param = (ICPPParameter) params[i];
+				setFirstParameter(new PDOMCPPParameterSpecialization(getLinkage(), this, param, sParam, typeRecord));
 			}
 			db.putByte(record + ANNOTATION, PDOMCPPAnnotation.encodeAnnotation(function));			
 		} catch (DOMException e) {
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java
index d3b9fbce5c5..af8c5a3f806 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.java
@@ -313,6 +313,18 @@ class PDOMCPPLinkage extends PDOMLinkage implements IIndexCPPBindingConstants {
 			if (parent instanceof PDOMCPPClassType || parent instanceof PDOMCPPClassSpecialization) {
 				pdomBinding = new PDOMCPPField(this, parent, (ICPPField) binding);
 			}
+		} else if (binding instanceof ICPPClassTemplate) {
+			pdomBinding= new PDOMCPPClassTemplate(this, parent, (ICPPClassTemplate) binding);
+		} else if (binding instanceof ICPPClassType) {
+			if (binding instanceof ICPPUnknownClassInstance) {
+				pdomBinding= new PDOMCPPUnknownClassInstance(this, parent, (ICPPUnknownClassInstance) binding);
+			} else if (binding instanceof ICPPUnknownClassType) {
+				pdomBinding= new PDOMCPPUnknownClassType(this, parent, (ICPPUnknownClassType) binding);
+			} else {
+				pdomBinding= new PDOMCPPClassType(this, parent, (ICPPClassType) binding);
+			}
+		} else if (binding instanceof ICPPUnknownBinding) {
+			pdomBinding= new PDOMCPPUnknownBinding(this, parent, (ICPPUnknownBinding) binding);
 		} else if (binding instanceof ICPPVariable) {
 			ICPPVariable var= (ICPPVariable) binding;
 			pdomBinding = new PDOMCPPVariable(this, parent, var);
@@ -334,16 +346,6 @@ class PDOMCPPLinkage extends PDOMLinkage implements IIndexCPPBindingConstants {
 			}
 		} else if (binding instanceof ICPPFunction) {
 			pdomBinding = new PDOMCPPFunction(this, parent, (ICPPFunction) binding, true);
-		} else if (binding instanceof ICPPClassTemplate) {
-			pdomBinding= new PDOMCPPClassTemplate(this, parent, (ICPPClassTemplate) binding);
-		} else if (binding instanceof ICPPClassType) {
-			if (binding instanceof ICPPUnknownClassInstance) {
-				pdomBinding= new PDOMCPPUnknownClassInstance(this, parent, (ICPPUnknownClassInstance) binding);
-			} else if (binding instanceof ICPPUnknownClassType) {
-				pdomBinding= new PDOMCPPUnknownClassType(this, parent, (ICPPUnknownClassType) binding);
-			} else {
-				pdomBinding= new PDOMCPPClassType(this, parent, (ICPPClassType) binding);
-			}
 		} else if (binding instanceof ICPPNamespaceAlias) {
 			pdomBinding = new PDOMCPPNamespaceAlias(this, parent, (ICPPNamespaceAlias) binding);
 		} else if (binding instanceof ICPPNamespace) {
@@ -731,11 +733,8 @@ class PDOMCPPLinkage extends PDOMLinkage implements IIndexCPPBindingConstants {
 	}
 	
 	@Override
-	public PDOMNode getNode(long record) throws CoreException {
-		if (record == 0)
-			return null;
-
-		switch (PDOMNode.getNodeType(getDB(), record)) {
+	public PDOMNode getNode(long record, int nodeType) throws CoreException {
+		switch (nodeType) {
 		case CPPVARIABLE:
 			return new PDOMCPPVariable(this, record);
 		case CPPFUNCTION:
@@ -792,6 +791,8 @@ class PDOMCPPLinkage extends PDOMLinkage implements IIndexCPPBindingConstants {
 			return new PDOMCPPClassInstance(this, record);
 		case CPP_DEFERRED_CLASS_INSTANCE:
 			return new PDOMCPPDeferredClassInstance(this, record);
+		case CPP_UNKNOWN_BINDING:
+			return new PDOMCPPUnknownBinding(this, record);
 		case CPP_UNKNOWN_CLASS_TYPE:
 			return new PDOMCPPUnknownClassType(this, record);
 		case CPP_UNKNOWN_CLASS_INSTANCE:
@@ -826,9 +827,9 @@ class PDOMCPPLinkage extends PDOMLinkage implements IIndexCPPBindingConstants {
 			return new PDOMCPPFunctionType(this, record);
 		case CPP_PARAMETER_SPECIALIZATION:
 			return new PDOMCPPParameterSpecialization(this, record);
-		default:
-			return super.getNode(record);
 		}
+		assert false : "nodeid= " + nodeType; //$NON-NLS-1$
+		return null;
 	}
 
 	@Override
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameter.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameter.java
index 1819529198e..bfb84c392a4 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameter.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPParameter.java
@@ -19,7 +19,6 @@ import org.eclipse.cdt.core.dom.ast.IType;
 import org.eclipse.cdt.core.dom.ast.IValue;
 import org.eclipse.cdt.core.dom.ast.cpp.ICPPParameter;
 import org.eclipse.cdt.core.index.IIndexFile;
-import org.eclipse.cdt.internal.core.Util;
 import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
 import org.eclipse.cdt.internal.core.index.IIndexFragment;
 import org.eclipse.cdt.internal.core.index.IIndexScope;
@@ -77,30 +76,6 @@ class PDOMCPPParameter extends PDOMNamedNode implements ICPPParameter, IPDOMBind
 		super(linkage, record);
 	}
 
-	public PDOMCPPParameter(PDOMLinkage linkage, PDOMNode parent, IParameter param, IType type)
-	throws CoreException {
-		super(linkage, parent, param.getNameCharArray());
-
-		Database db = getDB();
-
-		db.putRecPtr(record + NEXT_PARAM, 0);
-		byte flags= encodeFlags(param);
-		db.putByte(record + FLAGS, flags);
-		
-		try {
-			if (type == null) 
-				type= param.getType();
-			if (type != null) {
-				PDOMNode typeNode = getLinkage().addType(this, type);
-				db.putRecPtr(record + TYPE, typeNode != null ? typeNode.getRecord() : 0);
-			}
-			byte annotations = PDOMCPPAnnotation.encodeAnnotation(param);
-			db.putByte(record + ANNOTATIONS, annotations);
-		} catch (DOMException e) {
-			throw new CoreException(Util.createStatus(e));
-		}
-	}
-	
 	public PDOMCPPParameter(PDOMLinkage linkage, PDOMNode parent, IParameter param, long typeRecord)
 			throws CoreException {
 		super(linkage, parent, param.getNameCharArray());
@@ -265,7 +240,7 @@ class PDOMCPPParameter extends PDOMNamedNode implements ICPPParameter, IPDOMBind
 
 	@Override
 	public void delete(PDOMLinkage linkage) throws CoreException {
-		linkage.deleteType(getType(), record);
+		// the parameter reuses the type from the function type, so do not delete it.
 		PDOMCPPParameter next= getNextParameter();
 		if (next != null) {
 			next.delete(linkage);
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownBinding.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownBinding.java
new file mode 100644
index 00000000000..a24efe9dd98
--- /dev/null
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownBinding.java
@@ -0,0 +1,61 @@
+/*******************************************************************************
+ * Copyright (c) 2009 Wind River Systems, Inc 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
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Markus Schorn (Wind River Systems) - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.internal.core.pdom.dom.cpp;
+
+import org.eclipse.cdt.core.dom.ast.IASTName;
+import org.eclipse.cdt.core.dom.ast.cpp.ICPPScope;
+import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPASTName;
+import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPUnknownBinding;
+import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
+import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
+import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
+import org.eclipse.core.runtime.CoreException;
+
+/**
+ * Models unknown bindings. The class is directly used for objects (variables, functions, ...) and
+ * serves as a base for unknown types.
+ */
+class PDOMCPPUnknownBinding extends PDOMCPPBinding implements ICPPUnknownBinding {
+
+	@SuppressWarnings("hiding")
+	protected static final int RECORD_SIZE = PDOMCPPBinding.RECORD_SIZE;
+	
+	public PDOMCPPUnknownBinding(PDOMLinkage linkage, PDOMNode parent, ICPPUnknownBinding binding) throws CoreException {
+		super(linkage, parent, binding.getNameCharArray());
+	}
+
+	public PDOMCPPUnknownBinding(PDOMLinkage linkage, long bindingRecord) {
+		super(linkage, bindingRecord);
+	}
+
+	@Override
+	protected int getRecordSize() {
+		return RECORD_SIZE;
+	}
+
+	@Override
+	public int getNodeType() {
+		return IIndexCPPBindingConstants.CPP_UNKNOWN_BINDING;
+	}
+	
+    public ICPPScope asScope() {
+    	return null;
+    }
+    
+	@Override
+	public boolean mayHaveChildren() {
+		return false;
+	}
+
+	public IASTName getUnknownName() {
+		return new CPPASTName(getNameCharArray());
+	}
+}
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownClassType.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownClassType.java
index 3716de37bc2..6ca74fbd2e2 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownClassType.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPUnknownClassType.java
@@ -31,7 +31,6 @@ import org.eclipse.cdt.core.index.IIndexBinding;
 import org.eclipse.cdt.core.index.IIndexFileSet;
 import org.eclipse.cdt.core.parser.util.CharArrayUtils;
 import org.eclipse.cdt.internal.core.Util;
-import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPASTName;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPDeferredClassInstance;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPUnknownClassInstance;
 import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPUnknownClassType;
@@ -48,18 +47,18 @@ import org.eclipse.core.runtime.CoreException;
 /**
  * @author Sergey Prigogin
  */
-class PDOMCPPUnknownClassType extends PDOMCPPBinding implements ICPPClassScope, ICPPUnknownClassType,
+class PDOMCPPUnknownClassType extends PDOMCPPUnknownBinding implements ICPPClassScope, ICPPUnknownClassType,
 		IPDOMMemberOwner, IIndexType, IIndexScope {
 
 	private static final int KEY = PDOMCPPBinding.RECORD_SIZE + 0; // byte
 	private static final int MEMBERLIST = PDOMCPPBinding.RECORD_SIZE + 4;
 	@SuppressWarnings("hiding")
-	protected static final int RECORD_SIZE = PDOMCPPBinding.RECORD_SIZE + 8;
+	protected static final int RECORD_SIZE = PDOMCPPUnknownBinding.RECORD_SIZE + 8;
 	
 	private ICPPScope unknownScope;
 
 	public PDOMCPPUnknownClassType(PDOMLinkage linkage, PDOMNode parent, ICPPUnknownClassType classType) throws CoreException {
-		super(linkage, parent, classType.getNameCharArray());
+		super(linkage, parent, classType);
 
 		setKind(classType);
 		// linked list is initialized by storage being zero'd by malloc
@@ -121,7 +120,8 @@ class PDOMCPPUnknownClassType extends PDOMCPPBinding implements ICPPClassScope,
 		return this;
 	}
 
-    public ICPPScope asScope() {
+    @Override
+	public ICPPScope asScope() {
     	if (unknownScope == null) {
     		unknownScope= new PDOMCPPUnknownScope(this, getUnknownName());
     	}
@@ -262,10 +262,6 @@ class PDOMCPPUnknownClassType extends PDOMCPPBinding implements ICPPClassScope,
 		return ICPPClassType.EMPTY_CLASS_ARRAY;
 	}
 	
-	public IASTName getUnknownName() {
-		return new CPPASTName(getNameCharArray());
-	}
-
 	public boolean isAnonymous() {
 		return false;
 	}