8284532: Memory leak in BitSet::BitMapFragmentTable in JFR leak profiler

[zhengyu123]

A clean and low risk backport to fix a memory leak.

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Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8284532: Memory leak in BitSet::BitMapFragmentTable in JFR leak profiler

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk18u pull/111/head:pull/111
$ git checkout pull/111

Update a local copy of the PR:
$ git checkout pull/111
$ git pull https://git.openjdk.java.net/jdk18u pull/111/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 111

View PR using the GUI difftool:
$ git pr show -t 111

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk18u/pull/111.diff

[bridgekeeper]

👋 Welcome back zgu! 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 backport pull request has now been updated with issue from the original commit.

[openjdk]

@zhengyu123 This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8284532: Memory leak in BitSet::BitMapFragmentTable in JFR leak profiler

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

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[mlbridge]

Webrevs

• 01: Full - Incremental (ae075421)
• 00: Full (05ec683e)

[zhengyu123]

/integrate

[openjdk]

Going to push as commit 17e28d9.
Since your change was applied there have been 4 commits pushed to the master branch:

• f142228: 8285394: Compiler blackholes can be eliminated due to stale ciMethod::intrinsic_id()
• 2447d2f: 8282170: JVMTI SetBreakpoint metaspace allocation test
• 191f045: 8284549: JFR: FieldTable leaks FieldInfoTable member
• 6cc0a75: 8284620: CodeBuffer may leak _overflow_arena

Your commit was automatically rebased without conflicts.

[openjdk]

@zhengyu123 Pushed as commit 17e28d9.

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