8333462: Performance regression of new DecimalFormat() when compare to jdk11

[lingjun-cg]

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8333462 needs maintainer approval

Issue

• JDK-8333462: Performance regression of new DecimalFormat() when compare to jdk11 (Bug - P4)

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u.git pull/447/head:pull/447
$ git checkout pull/447

Update a local copy of the PR:
$ git checkout pull/447
$ git pull https://git.openjdk.org/jdk21u.git pull/447/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 447

View PR using the GUI difftool:
$ git pr show -t 447

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Download this PR as a diff file:
https://git.openjdk.org/jdk21u/pull/447.diff

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[bridgekeeper]

👋 Welcome back lingjun-cg! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

⚠️ @lingjun-cg This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

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• 00: Full (183e0836)

[jerboaa]

@lingjun-cg This is the wrong repo. This repo is collecting critical fixes for the July update. The proposed bug doesn't qualify. Please close this PR and open a new one at https://github.com/openjdk/jdk21u-dev.