--- a/src/java.base/share/classes/sun/security/x509/X509CertImpl.java	Wed Oct 09 17:38:58 2019 +0100
+++ b/src/java.base/share/classes/sun/security/x509/X509CertImpl.java	Wed Oct 09 09:57:41 2019 -0700
@@ -70,6 +70,7 @@
  * @author Hemma Prafullchandra
  * @see X509CertInfo
  */
+@SuppressWarnings("serial") // See writeReplace method in Certificate
 public class X509CertImpl extends X509Certificate implements DerEncoder {
 
     @java.io.Serial