diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/ast/IASTConstructorMemberInitializer.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/ast/IASTConstructorMemberInitializer.java
index 033694d66ef..a631c3d32ad 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/ast/IASTConstructorMemberInitializer.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/ast/IASTConstructorMemberInitializer.java
@@ -20,5 +20,6 @@ public interface IASTConstructorMemberInitializer extends ISourceElementCallback
 {
 	public IASTExpression getExpressionList(); 
 	public String getName();
+	public char[] getNameCharArray();
 	
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ExpressionParser.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ExpressionParser.java
index 3d3dc9eb8a7..14327fc9908 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ExpressionParser.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ExpressionParser.java
@@ -42,6 +42,7 @@ import org.eclipse.cdt.core.parser.ast.IASTTypeId;
 import org.eclipse.cdt.core.parser.ast.IASTCompletionNode.CompletionKind;
 import org.eclipse.cdt.core.parser.ast.IASTExpression.Kind;
 import org.eclipse.cdt.core.parser.extension.IParserExtension;
+import org.eclipse.cdt.internal.core.parser.scanner2.CharArrayUtils;
 import org.eclipse.cdt.internal.core.parser.token.TokenFactory;
 import org.eclipse.cdt.internal.core.parser.util.TraceUtil;
 
@@ -2300,7 +2301,7 @@ public class ExpressionParser implements IExpressionParser, IParserData {
 									.getIdExpressionCharArray());
 						else if (firstExpression.getRHSExpression() != null
 								&& firstExpression.getRHSExpression()
-										.getIdExpression() != null) {
+										.getIdExpressionCharArray() != null) {
 							setCurrentFunctionName(firstExpression
 									.getRHSExpression().getIdExpressionCharArray());
 							context = astFactory
@@ -2386,7 +2387,7 @@ public class ExpressionParser implements IExpressionParser, IParserData {
 					endOffset = ( lastToken != null ) ? lastToken.getEndOffset() : 0;
 					if (secondExpression != null
 							&& secondExpression.getExpressionKind() == Kind.ID_EXPRESSION
-							&& secondExpression.getIdExpression().indexOf('~') != -1)
+							&& CharArrayUtils.indexOf( '~', secondExpression.getIdExpressionCharArray() ) != -1)
 						memberCompletionKind = Kind.POSTFIX_DOT_DESTRUCTOR;
 
 					try {
@@ -2424,7 +2425,7 @@ public class ExpressionParser implements IExpressionParser, IParserData {
 					endOffset = ( lastToken != null ) ? lastToken.getEndOffset() : 0;
 					if (secondExpression != null
 							&& secondExpression.getExpressionKind() == Kind.ID_EXPRESSION
-							&& secondExpression.getIdExpression().indexOf('~') != -1)
+							&& CharArrayUtils.indexOf( '~', secondExpression.getIdExpressionCharArray() ) != -1)
 						arrowCompletionKind = Kind.POSTFIX_ARROW_DESTRUCTOR;
 					try {
 						firstExpression = astFactory.createExpression(scope,
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/complete/ASTConstructorMemberInitializer.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/complete/ASTConstructorMemberInitializer.java
index ca1d46659ba..56d7da18e9d 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/complete/ASTConstructorMemberInitializer.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/complete/ASTConstructorMemberInitializer.java
@@ -54,7 +54,7 @@ public class ASTConstructorMemberInitializer
     {
         return String.valueOf( name );
     }
-    public char[] getNameArray(){
+    public char[] getNameCharArray(){
         return name;
     }
     /* (non-Javadoc)
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/complete/CompleteParseASTFactory.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/complete/CompleteParseASTFactory.java
index 68214299202..cc85f3cddc9 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/complete/CompleteParseASTFactory.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/complete/CompleteParseASTFactory.java
@@ -1197,7 +1197,7 @@ public class CompleteParseASTFactory extends BaseASTFactory implements IASTFacto
 			while( i.hasNext() )
 			{
 				ReferenceCache.ASTReference ref = (ReferenceCache.ASTReference) i.next();
-				if( ref.getName().equals( duple.toString() ) &&
+				if( CharArrayUtils.equals( ref.getNameCharArray(), duple.toCharArray() ) &&
 					ref.getOffset() == duple.getStartOffset() )
 				{
 					cache.returnReference( ref );
@@ -1256,13 +1256,13 @@ public class CompleteParseASTFactory extends BaseASTFactory implements IASTFacto
 		{
 			ASTExpression astExpression = (ASTExpression) rhs;
 			Iterator refs = astExpression.getReferences().iterator();
-			String idExpression = astExpression.getIdExpression();
-			if( !idExpression.equals( "")) //$NON-NLS-1$
+			char[] idExpression = astExpression.getIdExpressionCharArray();
+			if( idExpression.length > 0 ) //$NON-NLS-1$
 			{
 				while( refs.hasNext() )
 				{
 					IASTReference r = (IASTReference) refs.next();
-					if( r.getName().equals( idExpression ) )
+					if( CharArrayUtils.equals( r.getNameCharArray(), idExpression ) )
 					{
 						refs.remove();
 						cache.returnReference(r);
@@ -2633,13 +2633,13 @@ public class CompleteParseASTFactory extends BaseASTFactory implements IASTFacto
 			while( initializers.hasNext())
 			{
 				IASTConstructorMemberInitializer initializer = (IASTConstructorMemberInitializer)initializers.next();
-				if( !initializer.getName().equals( EMPTY_STRING) && 
+				if( initializer.getNameCharArray().length > 0 && 
 					initializer instanceof ASTConstructorMemberInitializer && 
 					((ASTConstructorMemberInitializer)initializer).requiresNameResolution() ) 
 				{
 					ASTConstructorMemberInitializer realInitializer = ((ASTConstructorMemberInitializer)initializer);
 					IDerivableContainerSymbol container = (IDerivableContainerSymbol) symbol.getContainingSymbol();
-					lookupQualifiedName(container, realInitializer.getNameArray(), ITypeInfo.t_any, null, realInitializer.getNameOffset(), realInitializer.getReferences(), false, LookupType.QUALIFIED);
+					lookupQualifiedName(container, realInitializer.getNameCharArray(), ITypeInfo.t_any, null, realInitializer.getNameOffset(), realInitializer.getReferences(), false, LookupType.QUALIFIED);
 					// TODO try and resolve parameter references now in the expression list
 				}
 			}
@@ -3608,9 +3608,9 @@ public class CompleteParseASTFactory extends BaseASTFactory implements IASTFacto
 			if( reference instanceof ASTExpression )
 			{
 				ASTExpression expression = (ASTExpression) reference;
-				final String dupleAsString = duple.toString();
+				final char[] dupleAsCharArray = duple.toCharArray();
 				if( expression.getExpressionKind() == IASTExpression.Kind.ID_EXPRESSION &&
-						expression.getLHSExpression().equals( dupleAsString ))
+					CharArrayUtils.equals( expression.getLHSExpression().getIdExpressionCharArray(), dupleAsCharArray ))
 				{
 					try {
 						s = lookupQualifiedName( scopeToSymbol( scope ), duple, null, false );
@@ -3653,7 +3653,7 @@ public class CompleteParseASTFactory extends BaseASTFactory implements IASTFacto
 
 				}
 				else if( expression.getExpressionKind() == Kind.POSTFIX_FUNCTIONCALL && 
-						expression.getLHSExpression().getIdExpression().equals( dupleAsString ))
+						 CharArrayUtils.equals( expression.getLHSExpression().getIdExpressionCharArray(), dupleAsCharArray ))
 				{
 					try {
 						ISymbol symbol = getExpressionSymbol( scope, expression.getExpressionKind(), expression.getLHSExpression(), expression.getRHSExpression(), null, null );
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/quick/ASTConstructorMemberInitializer.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/quick/ASTConstructorMemberInitializer.java
index 3ef9e65463c..aac5c828e8f 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/quick/ASTConstructorMemberInitializer.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/ast/quick/ASTConstructorMemberInitializer.java
@@ -26,14 +26,14 @@ public class ASTConstructorMemberInitializer
      * @param string
      * @param expressionList
      */
-    public ASTConstructorMemberInitializer(String name, IASTExpression expressionList)
+    public ASTConstructorMemberInitializer(char[] name, IASTExpression expressionList)
     {
         this.name = name; 
         this.expressionList = expressionList;
     }
     
     private final IASTExpression expressionList; 
-	private final String name; 
+	private final char[] name; 
     /* (non-Javadoc)
      * @see org.eclipse.cdt.core.parser.ast.IASTConstructorMemberInitializer#getExpressionList()
      */
@@ -46,6 +46,9 @@ public class ASTConstructorMemberInitializer
      */
     public String getName()
     {
+        return String.valueOf(name);
+    }
+    public char[] getNameCharArray(){
         return name;
     }
     /* (non-Javadoc)