# HG changeset patch
# User weijun
# Date 1371090681 -28800
#      Thu Jun 13 10:31:21 2013 +0800
# Node ID e10e9bfb11b073ee1c108e7a51078d3ead7a2d72
# Parent  a1bc92467cc07e1cb3c93d0b3b629eda4c45238f
8015731: Subject java.security.auth.subject to improvements
Reviewed-by: skoivu, mullan

diff -r a1bc92467cc0 -r e10e9bfb11b0 src/share/classes/javax/security/auth/Subject.java
--- jdk/src/share/classes/javax/security/auth/Subject.java	Tue Oct 15 17:28:32 2013 +0100
+++ jdk/src/share/classes/javax/security/auth/Subject.java	Thu Jun 13 10:31:21 2013 +0800
@@ -1305,8 +1305,14 @@
         {
             ObjectInputStream.GetField fields = ois.readFields();
             subject = (Subject) fields.get("this$0", null);
-            elements = (LinkedList<E>) fields.get("elements", null);
             which = fields.get("which", 0);
+
+            LinkedList<E> tmp = (LinkedList<E>) fields.get("elements", null);
+            if (tmp.getClass() != LinkedList.class) {
+                elements = new LinkedList<E>(tmp);
+            } else {
+                elements = tmp;
+            }
         }
     }