diff -r 9c3209ff7550 -r 7e9e2f10a050 src/java.base/unix/classes/java/net/PlainDatagramSocketImpl.java
--- a/src/java.base/unix/classes/java/net/PlainDatagramSocketImpl.java	Thu Oct 17 20:54:25 2019 +0100
+++ b/src/java.base/unix/classes/java/net/PlainDatagramSocketImpl.java	Thu Oct 17 21:15:33 2019 +0100
@@ -37,6 +37,10 @@
 
 class PlainDatagramSocketImpl extends AbstractPlainDatagramSocketImpl
 {
+    PlainDatagramSocketImpl(boolean isMulticast) {
+        super(isMulticast);
+    }
+
     static {
         init();
     }