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Async2TaskAdapters.TestValueTaskOfTaskValueVersusAsync fails with SanityCheck() in Wasm R2R test #133953

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Description

@AndyAyersMS

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1596797
Build error leg or test failing: async.WorkItemExecution
Pull request: #133825

Error Message

DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.

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

{
  "ErrorMessage": "System.Runtime.CompilerServices.AsyncHelpers::Await, IR_0003",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1596797
Error message validated: [System.Runtime.CompilerServices.AsyncHelpers::Await, IR_0003]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/15/2026 2:43:03 PM UTC

Report

Summary

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

Activity

  1. added
    arch-wasmWebAssembly architecture
    blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
    Known Build ErrorUse this to report build issues in the .NET Helix tab
    on Sep 15, 2026
  2. dotnet-policy-service commented on Sep 15, 2026

    @dotnet-policy-service
    Contributor

    Tagging subscribers to 'arch-wasm': @lewing, @pavelsavara
    See info in area-owners.md if you want to be subscribed.

  3. dotnet-policy-service commented on Sep 15, 2026

    @dotnet-policy-service
    Contributor

    Tagging subscribers to this area: @dotnet/runtime-infrastructure
    See info in area-owners.md if you want to be subscribed.

  4. jkotas commented on Sep 15, 2026

    @jkotas
    Member

    Related to #133931

  5. dotnet-policy-service commented on Sep 15, 2026

    @dotnet-policy-service
    Contributor

    Tagging subscribers to this area: @agocke
    See info in area-owners.md if you want to be subscribed.

  6. added this to the 12.0.0 milestone on Sep 17, 2026
  7. removed
    untriagedNew issue has not been triaged by the area owner
    on Sep 17, 2026
  8. reopened this on Sep 29, 2026
  9. lewing commented on Sep 29, 2026

    @lewing
    Member

    reopening temporarily to get in process builds green

  10. removed
    blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
    on Nov 2, 2026
  11. jeffschwMSFT commented on Nov 2, 2026

    @jeffschwMSFT
    Member

    removing blocking-clean-ci as it has not failed in 30 days

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