hg: jdk/submit: 8213942: URLStreamHandler initialization race

[sean.coffey at oracle.com]

Changeset: f39854fffca0
Author:    coffeys
Date:      2018-11-21 15:09 +0000
URL:       http://hg.openjdk.java.net/jdk/submit/rev/f39854fffca0

8213942: URLStreamHandler initialization race
Reviewed-by: alanb, chegar, prappo

! src/java.base/share/classes/java/net/URL.java
+ test/jdk/java/net/URL/RacyHandler.java