--- old/src/java.base/share/classes/sun/security/ssl/Debug.java	Mon Sep 11 23:18:32 2017
+++ new/src/java.base/share/classes/sun/security/ssl/Debug.java	Mon Sep 11 23:18:31 2017
@@ -201,6 +201,24 @@
         }
     }
 
+    /**
+     * Return the value of the integer System property propName.
+     *
+     * Note use of doPrivileged(). Do make accessible to applications.
+     */
+    static int getIntegerProperty(String propName, int defaultValue) {
+        String i = GetPropertyAction.privilegedGetProperty(propName);
+        if (i != null) {
+            try {
+                return Integer.parseInt(i);
+            } catch(NumberFormatException e) {
+                throw new RuntimeException("Value of " + propName
+                    + " must be a valid integer");
+            }
+        }
+        return defaultValue;
+    }
+
     static String toString(byte[] b) {
         return sun.security.util.Debug.toString(b);
     }