1234567: [REDO] JDK-8245121 (bf) XBuffer.put(Xbuffer src) can give unexpected result when storage overlaps

[Alan Bateman]

On 02/06/2020 01:30, Brian Burkhalter wrote:
>
> So modified: http://cr.openjdk.java.net/~bpb/8246282/webrev.01/
>
This looks okay except using charRegionOrder to test the backing region 
is confusing. Maybe add a comment or else add a package private method 
to char production from X-buffer.java.template to test it.

-Alan