RFR: 8321283: Reuse StringLatin1::equals in regionMatches

[Chen Liang]

On Thu, 11 Apr 2024 04:26:26 GMT, Francesco Nigro <duke at openjdk.org> wrote:

>> This improvement has been found on https://github.com/vert-x3/vertx-web/pull/2526.
>> 
>> It can potentially affect the existing ArraysSupport.mismatch caller code-path performance ie requires investigation.
>
> Keep it alive!

@franz1981 Can you update the PR title to start with `8321283: ` so the jdk bot will recognize the JBS issue, mark this ready for review, and forward this PR to the OpenJDK mailing lists?

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PR Comment: https://git.openjdk.org/jdk/pull/16933#issuecomment-2050138176