8272570: C2: crash in PhaseCFG::global_code_motion

[TobiHartmann]

Backport of JDK-8272570. Applies cleanly. Approval is pending.

Thanks,
Tobias

---

Progress

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Issue

• JDK-8272570: C2: crash in PhaseCFG::global_code_motion

Reviewing

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Checkout this PR locally:
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Update a local copy of the PR:
$ git checkout pull/94
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https://git.openjdk.java.net/jdk17u/pull/94.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:

8272570: C2: crash in PhaseCFG::global_code_motion

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[mlbridge]

Webrevs

• 00: Full (73976cca)

[TobiHartmann]

/integrate

[openjdk]

Going to push as commit ff3e90f.
Since your change was applied there have been 7 commits pushed to the master branch:

• 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 ff3e90f.

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