api/java_text/Bidi/index.html#ctor[Bidi2022] JCK 6b test started to fail with NPE 
java version "1.6.0_15-rev"
Java(TM) Platform, Standard Edition for Business (build 1.6.0_15-rev-b05)
Java HotSpot(TM) 64-Bit Server VM (build 14.1-b04, compiled mode)
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java.lang.NullPointerException
	at javasoft.sqe.tests.api.java.text.Bidi.ctorTests.Bidi2022(ctorTests.java:374)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at javasoft.sqe.javatest.lib.MultiTest.invokeTestCase(MultiTest.java:406)
	at javasoft.sqe.javatest.lib.MultiTest.run(MultiTest.java:195)
	at javasoft.sqe.javatest.lib.MultiTest.run(MultiTest.java:127)
	at javasoft.sqe.tests.api.java.text.Bidi.ctorTests.main(ctorTests.java:28)
Bidi2022: Failed. Test case throws exception: java.lang.NullPointerException
STATUS:Failed.test cases: 1; all failed; first test case failure: Bidi2022

Test fails *only* with options (-d64) -Xcomp -XX:+UseCompressedOops.
When -Xcomp or -XX:+UseCompressedOops omitted - test pass.
Test started to fail from jdk 6u14 b01, when -XX:+UseCompressedOops option became availible.