8371783: Refactor GCCause in VM_CollectForMetadataAllocation

[xiezhaokun]

Backport of openjdk/jdk@d01e7d9

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• JDK-8371783 needs maintainer approval
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8371783: Refactor GCCause in VM_CollectForMetadataAllocation (Enhancement - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk25u-dev.git pull/392/head:pull/392
$ git checkout pull/392

Update a local copy of the PR:
$ git checkout pull/392
$ git pull https://git.openjdk.org/jdk25u-dev.git pull/392/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 392

View PR using the GUI difftool:
$ git pr show -t 392

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk25u-dev/pull/392.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

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[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.

[mlbridge]

Webrevs

• 00: Full (878410f2)

[bridgekeeper]

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