Example for "/exit 1" requested in JDK-8185840

[Christian Stein]

See http://mail.openjdk.java.net/pipermail/kulla-dev/2017-June/002031.html
for example of a "/exit 1" as requested in
https://bugs.openjdk.java.net/browse/JDK-8185840

Cheers,
Christian

PS: I'd love to comment on https://bugs.openjdk.java.net/browse/JDK-8185840
directly, but the login does not work for me.