hg: jdk9/sandbox/jdk: 8180085: (ch) java/nio/channels/SocketChannel/VectorIO.java: add debug instrumentation

[chris.hegarty at oracle.com]

Changeset: 4e2a2733855d
Author:    bpb
Date:      2017-05-11 07:43 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/4e2a2733855d

8180085: (ch) java/nio/channels/SocketChannel/VectorIO.java: add debug instrumentation
Summary: Add some print statements potentially useful in solving JDK-8177801.
Reviewed-by: alanb

! test/java/nio/channels/SocketChannel/VectorIO.java