8272574: C2: assert(false) failed: Bad graph detected in build_loop_late

[TobiHartmann]

Backport of JDK-8272574. Applies cleanly. Approval is pending.

Thanks,
Tobias

---

Progress

• Change must not contain extraneous whitespace
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Issue

• JDK-8272574: C2: assert(false) failed: Bad graph detected in build_loop_late

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk17u pull/97/head:pull/97
$ git checkout pull/97

Update a local copy of the PR:
$ git checkout pull/97
$ git pull https://git.openjdk.java.net/jdk17u pull/97/head

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Checkout this PR locally:
$ git pr checkout 97

View PR using the GUI difftool:
$ git pr show -t 97

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Download this PR as a diff file:
https://git.openjdk.java.net/jdk17u/pull/97.diff

[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:

8272574: C2: assert(false) failed: Bad graph detected in build_loop_late

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 (5619a89c)

[TobiHartmann]

/integrate

[openjdk]

Going to push as commit 2b393f9.
Since your change was applied there have been 10 commits pushed to the master branch:

• da77acb: 8271954: C2: assert(false) failed: Bad graph detected in build_loop_late
• 056eca0: 8273165: GraphKit::combine_exception_states fails with "matching stack sizes" assert
• ff3e90f: 8272570: C2: crash in PhaseCFG::global_code_motion
• 108e1bd: 8271254: javac generates unreachable code when using empty semicolon statement
• dd70512: 8273408: java.lang.AssertionError: typeSig ERROR on generated class property of record
• c2d1db9: 8273961: jdk/nio/zipfs/ZipFSTester.java fails if file path contains '+' character
• f48db89: 8272328: java.library.path is not set properly by Windows jpackage app launcher
• b55ec5b: 8271718: Crash when during color transformation the color profile is replaced
• 4e707bc: 8268894: forged ASTs can provoke an AIOOBE at com.sun.tools.javac.jvm.ClassWriter::writePosition
• d935001: 8268893: jcmd to trim the glibc heap

Your commit was automatically rebased without conflicts.

[openjdk]

@TobiHartmann Pushed as commit 2b393f9.

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