8201516: DebugNonSafepoints generates incorrect information

[TobiHartmann]

Backport of JDK-8201516. Applies cleanly. Approval is pending.

Thanks,
Tobias

---

Progress

• Change must not contain extraneous whitespace
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Issue

• JDK-8201516: DebugNonSafepoints generates incorrect information

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk20u.git pull/40/head:pull/40
$ git checkout pull/40

Update a local copy of the PR:
$ git checkout pull/40
$ git pull https://git.openjdk.org/jdk20u.git pull/40/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 40

View PR using the GUI difftool:
$ git pr show -t 40

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk20u/pull/40.diff

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[bridgekeeper]

👋 Welcome back thartmann! 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]

@TobiHartmann 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:

8201516: DebugNonSafepoints generates incorrect information

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

At the time when this comment was updated there had been no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential automatic rebasing, please check the documentation for the /integrate command for further details.

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[mlbridge]

Webrevs

• 00: Full (5c0e5202)

[TobiHartmann]

/integrate

[openjdk]

@TobiHartmann Unable to acquire the integration lock; aborting integration. The error has been logged and will be investigated.

[TobiHartmann]

/integrate

[openjdk]

Going to push as commit 2556e13.
Since your change was applied there have been 21 commits pushed to the master branch:

• a32006a: 8303564: C2: "Bad graph detected in build_loop_late" after a CMove is wrongly split thru phi
• 322bce7: 8301338: Identical branch conditions in CompileBroker::print_heapinfo
• a43d750: 8299570: [JVMCI] Insufficient error handling when CodeBuffer is exhausted
• 7680690: 8303508: Vector.lane() gets wrong value on x86
• 15bae6f: 8304683: Memory leak in WB_IsMethodCompatible
• 9c6b17d: 8303511: C2: assert(get_ctrl(n) == cle_out) during unrolling
• c23e1cc: 8301491: C2: java.lang.StringUTF16::indexOfChar intrinsic called with negative character argument
• db88ed0: 8290822: C2: assert in PhaseIdealLoop::do_unroll() is subject to undefined behavior
• 17dfaaf: 8300590: [JVMCI] BytecodeFrame.equals is broken
• cbc2f89: 8289748: C2 compiled code crashes with SIGFPE with -XX:+StressLCM and -XX:+StressGCM
• ... and 11 more: https://git.openjdk.org/jdk20u/compare/0d71795814ed255c4a6e2b51cee01a264a407ad6...master

Your commit was automatically rebased without conflicts.

[openjdk]

@TobiHartmann Pushed as commit 2556e13.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.