RFR: 8378698: Optimize Base64.Encoder#encodeToString

[Chen Liang]

On Wed, 25 Feb 2026 15:37:02 GMT, Patrick Strawderman <duke at openjdk.org> wrote:

> Avoid a byte array copy in encodeToString by using JavaLangAccess#uncheckedNewStringWithLatin1Bytes

Yes, please add this new benchmark method to `Base64Encode` benchmark.

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PR Comment: https://git.openjdk.org/jdk/pull/29920#issuecomment-3968757175