--- old/src/java.base/share/classes/java/util/jar/JarVerifier.java	2019-09-18 13:11:14.819227000 -0700
+++ new/src/java.base/share/classes/java/util/jar/JarVerifier.java	2019-09-18 13:11:14.591341000 -0700
@@ -590,6 +590,7 @@
         URL vlocation;
         CodeSigner[] vsigners;
         java.security.cert.Certificate[] vcerts;
+        @SuppressWarnings("serial") // Not statically typed as Serializable
         Object csdomain;
 
         VerifierCodeSource(Object csdomain, URL location, CodeSigner[] signers) {