8340824: C2: Memory for TypeInterfaces not reclaimed by hashcons()

[nelanbu]

Hi all,

This pull request contains a backport of commit 90c944fe from the openjdk/jdk repository.

The change applied cleanly.

The commit being backported was authored by Roland Westrelin on 2 Oct 2024 and was reviewed by Vladimir Ivanov and Quan Anh Mai.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8340824 needs maintainer approval

Issue

• JDK-8340824: C2: Memory for TypeInterfaces not reclaimed by hashcons() (Bug - P3 - Requested)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk23u.git pull/197/head:pull/197
$ git checkout pull/197

Update a local copy of the PR:
$ git checkout pull/197
$ git pull https://git.openjdk.org/jdk23u.git pull/197/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 197

View PR using the GUI difftool:
$ git pr show -t 197

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk23u/pull/197.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back nelanbu! 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]

⚠️ @nelanbu 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 (e7bfbdee)

[nelanbu]

/approval request Clean backport to fix memory reclamation issue for TypeInterfaces object by hashcons().

[openjdk]

@nelanbu
8340824: The approval request has been created successfully.