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WrappedArray missing explicit SerialVersionUID annotation #5046

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@scabug

SerialVersionUID is not explicitly set for WrappedArray and the subclasses of WrappedArray: ofRef, ofByte, ofShort, ofChar, etc.

I'm running into InvalidClassExceptions when deserializing an Enumeration that was serialized with a different version of scala-library:Caused by:

java.io.InvalidClassException: scala.collection.mutable.WrappedArray$ofRef; 
local class incompatible: stream classdesc serialVersionUID = 6238838760334617323, local class serialVersionUID = 8184381945838716286

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