[ci-scan] Test failure: GitHub_19288 JIT assert genActualType mismatch in Morph under MinOpts stress

[github-actions]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1447151
Build error leg or test failing: coreclr Pri1 Runtime Tests Run windows x64 checked - Regression_do

Error Details

Assert failure(PID 6028 [0x0000178c], Thread: 4716 [0x126c]): Assertion failed 'genActualType(cmp->gtGetOp1()) == genActualType(cmp->gtGetOp2())' in 'GitHub_19288.GitHub_19288+MyClass:CheckPointer(GitHub_19288.GitHub_19288+PixelData):this' during 'Morph - Global' (IL size 24; hash 0x7f12b01d; MinOpts)

    File: D:\a\_work\1\s\src\coreclr\jit\morph.cpp:10962
    Image: corerun.exe

Exit Code: -1073740286
Expected: 100
Actual: -1073740286
END EXECUTION - FAILED

Stress mode: DOTNET_TieredCompilation=0, DOTNET_JITMinOpts=1

Error Message

true only for clear infra flakes. ExcludeConsoleLog skips helix log scanning. -->

{
  "ErrorMessage": "Assertion failed 'genActualType(cmp->gtGetOp1()) == genActualType(cmp->gtGetOp2())'",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Additional context

• Pipeline: runtime-coreclr jitstress (definition 109)
• Queue: windows.10.amd64.open
• Work item: Regression_do
• First seen in build 1444990 (finished 2026-06-02T07:13:06Z)
• Occurrences: 3+ builds (1444990, 1447151, 1449111)
• Not present in builds 1442839 (2026-06-01) or 1442384 (2026-05-31)

Related: Previously tracked by closed KBE #128947 (closed 2026-06-04 as completed, but no fix merged). In-flight fix PR: #128906 (open).

---

Filed by ci-failure-scan, which scans dnceng-public outer-loop pipelines on main and converts stable failures into KBEs and test-disable PRs. Comment here or on the workflow file to suggest changes; ci-failure-scan-feedback reads in-scope feedback daily and opens (or updates) a PR with prompt edits.

Note

🔒 Integrity filter blocked 5 items

The following items were blocked because they don't meet the GitHub integrity level.

• #83226 search_issues: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
• #110472 search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
• #100356 search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
• #104275 search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
• #77540 search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".

To allow these resources, lower min-integrity in your GitHub frontmatter:

tools:
  github:
    min-integrity: approved  # merged | approved | unapproved | none

Generated by CI Outer-Loop Failure Scanner · ● 100.8M · ◷

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Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	0

[jkotas]

Looks like duplicate of #128947 that is fixed already.

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