--- a/jdk/src/share/classes/sun/util/calendar/ZoneInfoFile.java	Thu Oct 17 22:22:14 2013 -0700
+++ b/jdk/src/share/classes/sun/util/calendar/ZoneInfoFile.java	Thu Oct 17 23:43:08 2013 -0700
@@ -26,6 +26,7 @@
 package sun.util.calendar;
 
 import java.io.ByteArrayInputStream;
+import java.io.BufferedInputStream;
 import java.io.DataInput;
 import java.io.DataInputStream;
 import java.io.File;
@@ -243,7 +244,8 @@
                 try {
                     String libDir = System.getProperty("java.home") + File.separator + "lib";
                     try (DataInputStream dis = new DataInputStream(
-                             new FileInputStream(new File(libDir, "tzdb.dat")))) {
+                             new BufferedInputStream(new FileInputStream(
+                                 new File(libDir, "tzdb.dat"))))) {
                         load(dis);
                     }
                 } catch (Exception x) {
@@ -265,6 +267,10 @@
         }
     }
 
+    public static boolean useOldMapping() {
+       return USE_OLDMAPPING;
+    }
+
     /**
      * Loads the rules from a DateInputStream
      *