--- a/jdk/src/java.base/share/classes/sun/security/x509/CRLDistributionPointsExtension.java	Thu Sep 03 09:33:04 2015 +0200
+++ b/jdk/src/java.base/share/classes/sun/security/x509/CRLDistributionPointsExtension.java	Mon Sep 07 18:58:41 2015 +0300
@@ -29,6 +29,7 @@
 import java.io.OutputStream;
 
 import java.util.*;
+import java.util.Collections;
 
 import sun.security.util.DerOutputStream;
 import sun.security.util.DerValue;
@@ -255,11 +256,12 @@
      */
     public void delete(String name) throws IOException {
         if (name.equalsIgnoreCase(POINTS)) {
-            distributionPoints = new ArrayList<DistributionPoint>();
+            distributionPoints =
+                    Collections.<DistributionPoint>emptyList();
         } else {
             throw new IOException("Attribute name [" + name +
-                                "] not recognized by " +
-                                "CertAttrSet:" + extensionName + ".");
+                                  "] not recognized by " +
+                                  "CertAttrSet:" + extensionName + '.');
         }
         encodeThis();
     }