[8u76] RFA 8022865: [TESTBUG] Compressed Oops testing needs to be revised

[David Buck]

Hi!

Please approve this trivial backport (patch applies as-is) to 8u-dev.

jbs-bug: https://bugs.openjdk.java.net/browse/JDK-8022865
review thread: http://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2014-September/012446.html
jdk9 changeset: http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/e7748e052f65 <http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/e7748e052f65>

Cheers,
-Buck