Regression test Test4200310.sh and class duplication in rt.jar and charsets.jar

[Adam Crume]

Pavel Tisnovsky <ptisnovs at ...> writes:

> I noticed that the regression test Test42000310.sh regularly fails 
> because it found duplicate classes stored in archives rt.jar and 
> charsets.jar. I am not sure if this is a bug in OpenJDK6 or IcedTea, I 
> suppose it's IcedTea issue. There are the list of duplicate classes 
> (they are all from the same package, but this package contains more 
> classes, over 400, only part of this package is "duplicated"):

I'm having the same issue, and I'm testing OpenJDK 7 without IcedTea.