[8u20] Request for approval for JDK-8042741 - compiler throws NPE

[Paul Govereau]

Please consider the following changeset for inclusion in 8udev/langtools

   http://hg.openjdk.java.net/jdk9/dev/langtools/rev/df54b4b79988

For JDK-8042741 - Java 8 compiler throws NullPointerException depending 
location in source file.

   https://bugs.openjdk.java.net/browse/JDK-8042741

Thanks,
Paul