RFR: JDK-8277175 : Add a parallel multiply method to BigInteger [v5]

[kabutz]

On Tue, 30 Nov 2021 23:45:02 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> kabutz has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Made forkOrInvoke() method protected to avoid strange compiler error
>
> src/java.base/share/classes/java/math/BigInteger.java line 1930:
> 
>> 1928:         }
>> 1929: 
>> 1930:         private static RecursiveTask<BigInteger> exec(RecursiveOp op) {
> 
> Unused.

Well spotted, thanks.

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PR: https://git.openjdk.java.net/jdk/pull/6409