8280600: C2: assert(!had_error) failed: bad dominance

[TobiHartmann]

Backport of JDK-8280600. Applies cleanly. Approval is pending.

Thanks,
Tobias

---

Progress

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Issue

• JDK-8280600: C2: assert(!had_error) failed: bad dominance

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk18u pull/68/head:pull/68
$ git checkout pull/68

Update a local copy of the PR:
$ git checkout pull/68
$ git pull https://git.openjdk.java.net/jdk18u pull/68/head

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Checkout this PR locally:
$ git pr checkout 68

View PR using the GUI difftool:
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Download this PR as a diff file:
https://git.openjdk.java.net/jdk18u/pull/68.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:

8280600: C2: assert(!had_error) failed: bad dominance

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 (f043dfdd)

[TobiHartmann]

/integrate

[openjdk]

Going to push as commit e580f0e.
Since your change was applied there have been 19 commits pushed to the master branch:

• 662ec01: 8281544: assert(VM_Version::supports_avx512bw()) failed for Tests jdk/incubator/vector/
• 73c7ddf: 8280901: MethodHandle::linkToNative stub is missing w/ -Xint
• 2635615: 8280867: Cpuid1Ecx feature parsing is incorrect for AMD CPUs
• 43be343: 8283641: Large value for CompileThresholdScaling causes assert
• 515a947: 8282592: C2: assert(false) failed: graph should be schedulable
• 092ad51: 8282874: Bad performance on gather/scatter API caused by different IntSpecies of indexMap
• 617f190: 8280799: С2: assert(false) failed: cyclic dependency prevents range check elimination
• 7613335: 8256368: Avoid repeated upcalls into Java to re-resolve MH/VH linkers/invokers
• 074b635: 8271008: appcds/*/MethodHandlesAsCollectorTest.java tests time out because of excessive GC (CodeCache GC Threshold) in loom
• a81c911: 8281822: Test failures on non-DTrace builds due to incomplete DTrace* flags handling
• ... and 9 more: https://git.openjdk.java.net/jdk18u/compare/9327634e982314733f4126a1106be8e452f19f58...master

Your commit was automatically rebased without conflicts.

[openjdk]

@TobiHartmann Pushed as commit e580f0e.

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