RFR(XS) 8243210: ClhsdbScanOops fails with NullPointerException in FileMapHeader.inCopiedVtableSpace

[Chris Plummer]

Hello,

Please review the following:
https://bugs.openjdk.java.net/browse/JDK-8243210
http://cr.openjdk.java.net/~cjplummer/8243210/webrev.01/index.html

Description is in the bug. Hopefully this is the last in a series of 
about 6 bugs being addressed that finally lets us get this test off the 
problem list for all platforms.

thanks,

Chris