RFR: 8320971: Use BufferedInputStream.buf directly when param of implTransferTo() is trusted [v15]

[Sergey Tsypanov]

On Fri, 15 Dec 2023 17:21:52 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> I think this would be doing double job, wouldn't it?
>
>> I think this would be doing double job, wouldn't it?
> 
> Sorry, I don't understand.

If we drop the method for now I have to write it later again, I guess

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PR Review Comment: https://git.openjdk.org/jdk/pull/16879#discussion_r1428403398