8282592: C2: assert(false) failed: graph should be schedulable

[TobiHartmann]

Backport of JDK-8282592. Applies cleanly. Approval is pending.

Thanks,
Tobias

---

Progress

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Issue

• JDK-8282592: C2: assert(false) failed: graph should be schedulable

Reviewing

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Checkout this PR locally:
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Update a local copy of the PR:
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https://git.openjdk.java.net/jdk18u/pull/80.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:

8282592: C2: assert(false) failed: graph should be schedulable

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[mlbridge]

Webrevs

• 00: Full (5515569f)

[TobiHartmann]

/integrate

[openjdk]

Going to push as commit 515a947.
Since your change was applied there have been 10 commits pushed to the master branch:

• 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
• e6c08ad: 8281266: [JVMCI] MetaUtil.toInternalName() doesn't handle hidden classes correctly
• 8f4dbe5: 8282887: Potential memory leak in sun.util.locale.provider.HostLocaleProviderAdapterImpl.getNumberPattern() on Windows
• 3ace021: 8282628: Potential memory leak in sun.font.FontConfigManager.getFontConfig()
• 696d3f2: 8282551: Properly initialize L32X64MixRandom state
• a541111: 8281181: Do not use CPU Shares to compute active processor count

Your commit was automatically rebased without conflicts.

[openjdk]

@TobiHartmann Pushed as commit 515a947.

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