Test failure: Assertion failed 'likelihood <= 1.0'

[jkotas]

  Starting:    System.Text.RegularExpressions.Tests (parallel test collections = on [2 threads], stop on fail = off)

Assert failure(PID 21 [0x00000015], Thread: 30 [0x001e]): Assertion failed 'likelihood <= 1.0' in 'Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.Lexer:LexXmlWhitespaceAndNewLineTrivia(byref):this' during 'Recognize Switch' (IL size 152; hash 0x82b23354; Tier1)

    File: /__w/1/s/src/coreclr/jit/block.cpp:81
    Image: /root/helix/work/correlation/dotnet

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=814658
Build error leg or test failing: System.Collections.Concurrent.Tests.WorkItemExecution
Pull request: #108048

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "likelihood <= 1.0",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=814658
Error message validated: [likelihood <= 1.0]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/21/2024 2:32:34 PM UTC

Report

Build	Definition	Test	Pull Request
814912	dotnet/runtime	System.Text.RegularExpressions.Tests.WorkItemExecution	#106599
814853	dotnet/runtime	Microsoft.Extensions.Logging.Generators.Roslyn4.8.Tests.WorkItemExecution	#107772
814658	dotnet/runtime	System.Text.RegularExpressions.Tests.WorkItemExecution	#108048

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
3	3	3

[dotnet-policy-service]

Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch
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[AndyAyersMS]

@EgorBo likely related to #107831