8318626: GetClassFields does not filter out ConstantPool.constantPoolOop field

[satyenme]

Backporting JDK-8318626: GetClassFields does not filter out ConstantPool.constantPoolOop field. Fix adjusts FilteredFieldStream implementation to handle cases when filtered fields is the last field of the class. Adds two tests for functionality. Ran GHA Sanity Checks, local Tier 1 and 2, and new tests. Patch is clean.

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Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8318626 needs maintainer approval

Issue

• JDK-8318626: GetClassFields does not filter out ConstantPool.constantPoolOop field (Bug - P4 - Requested)

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/1727/head:pull/1727
$ git checkout pull/1727

Update a local copy of the PR:
$ git checkout pull/1727
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/1727/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1727

View PR using the GUI difftool:
$ git pr show -t 1727

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/1727.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back ssubramaniam! 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]

⚠️ @satyenme 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]

Webrevs

• 00: Full (b4b91b0f)

[satyenme]

/approval request for backport. Fix adjusts FilteredFieldStream implementation to handle cases when filtered fields is the last field of the class.

Risk: Low. Tip change was merged in November 2023 and adds a test to confirm correct functionality.
Testing:

• GHA Sanity Checks
• Tier 1 and 2 tests locally
• New test/hotspot/jtreg/serviceability/jvmti/GetClassFields/FilteredFields/FilteredFieldsTest.java test

[openjdk]

@satyenme
8318626: The approval request has been created successfully.