RFR: 8299677: Formatter.format might take a long time to format an integer or floating-point [v5]

[balcanuc]

On Thu, 12 Jan 2023 15:31:03 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

>> This change transforms a O(n^2) path to O(n) when prepending zero padding to decimal outputs, where n is the length of the padding.
>
> Raffaello Giulietti has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8299677: Formatter.format might take a long time to format an integer or floating-point

in which JDK versions will the bug-fix back ported? As it is, it is impossible to be back ported to JDK8

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PR: https://git.openjdk.org/jdk/pull/11939