Withdrawn: 8315585: Optimization for decimal to string

[duke]

On Mon, 2 Oct 2023 05:40:03 GMT, Shaojin Wen <duke at openjdk.org> wrote:

> I submitted PR #15555 before, and there were too many changes. I split it into multiple PRs with small changes. This one is one of them.
> 
> this PR removed the duplicate code for getChars in BigDecimal#StringBuilderHelper, i also make performance faster.
> Please review and don't hesitate to critique my approach and patch.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/16006