hg: jdk/jdk: 8243408: Inconsistent Exceptions are thrown by MulticastSocket when sending a DatagramPacket to port 0

[patrick.concannon at oracle.com]

Changeset: 2666e709449d
Author:    pconcannon
Date:      2020-04-22 20:41 +0100
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/2666e709449d

8243408: Inconsistent Exceptions are thrown by MulticastSocket when sending a DatagramPacket to port 0
Summary: This fix adds a check for port == 0 to MulticastSocket's 2-arg send method to ensure a consistent exception is thrown across platforms
Reviewed-by: dfuchs

! src/java.base/share/classes/java/net/MulticastSocket.java
! test/jdk/java/net/DatagramSocket/SendCheck.java
! test/jdk/java/net/DatagramSocket/SendPortZero.java
+ test/jdk/java/net/MulticastSocket/SendPortZero.java