Bug 135790 ClassCastException in RowData.
ClassCastException is thrown in RowData line 81(IBaseExpression expr = ( IBaseExpression ) valueExpressions.get( index - 1 );).
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
setHighlight( item, null );
	}
	/**
	 * setup report element attribute
	 * 
	 * @param elem
	 *            engine's report element
	 * @param handle
	 *            DE's report element
	 */
	private void setupReportElement( ReportElementDesign element,
			DesignElementHandle handle )
	{
		element.setHandle( handle );
		element.setName( handle.getName( ) );
		element.setID( handle.getID( ) );
		DesignElementHandle extend = handle.getExtends( );
		if ( extend != null )
		{
			element.setExtends( extend.getName( ) );
		}
		
		Iterator iter = handle.getPropertyIterator( );
		if ( iter != null )
		{
			PropertyHandle propHandle = (PropertyHandle) iter.next( );
			if ( propHandle != null && propHandle.isSet( ) )
			{
				String name = propHandle.getDefn( ).getName( );
				Object value = propHandle.getValue( );