RFR: 8291641: Optimize StackTraceElement.toString()

[Сергей Цыпанов]

On Thu, 28 Jul 2022 13:45:53 GMT, David Schlosnagle <duke at openjdk.org> wrote:

>> I think in this case it's better to specify `StringBuilder` instead of `Appendable`, because the method is private and you'd hardly ever pass there anything different from SB.
>
> If we go with the proposal above to make `appendTo(Appendable)` package visible so that `Throwable.printStackTrace()` can benefit from this as well, we would need to keep this as Appendable, otherwise I agree we should just inline this all into toString

`Throwable.printStackTrace()` will use `StringBuilder` as well, won't it?

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PR: https://git.openjdk.org/jdk/pull/9665