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

[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

Build	Repository	Test	Pull Request
1600635	dotnet/runtime	async.WorkItemExecution	#134042
1599484	dotnet/runtime	async.WorkItemExecution	#134042
1598937	dotnet/runtime	async.WorkItemExecution	#134042
1598571	dotnet/runtime	async.WorkItemExecution	#133890
1598544	dotnet/runtime	async.WorkItemExecution	#133932
1598549	dotnet/runtime	async.WorkItemExecution	#133917
1598519	dotnet/runtime	async.WorkItemExecution	#132448
1598513	dotnet/runtime	async.WorkItemExecution	#133834
1598457	dotnet/runtime	async.WorkItemExecution	#134010
1598445	dotnet/runtime	async.WorkItemExecution	#132346
1598423	dotnet/runtime	async.WorkItemExecution	#133658
1598438	dotnet/runtime	async.WorkItemExecution	#133986
1598416	dotnet/runtime	async.WorkItemExecution	#133660
1598417	dotnet/runtime	async.WorkItemExecution	#133659
1598398	dotnet/runtime	async.WorkItemExecution	#133188
1598405	dotnet/runtime	async.WorkItemExecution	#133662
1598354	dotnet/runtime	async.WorkItemExecution	#133046
1598206	dotnet/runtime	async.WorkItemExecution	#133993
1598211	dotnet/runtime	async.WorkItemExecution	#133994
1598194	dotnet/runtime	async.WorkItemExecution	#133990
1598135	dotnet/runtime	async.WorkItemExecution	#132448
1598125	dotnet/runtime	async.WorkItemExecution	#132534
1598095	dotnet/runtime	async.WorkItemExecution
1598074	dotnet/runtime	async.WorkItemExecution	#133967
1598069	dotnet/runtime	async.WorkItemExecution	#133968
1598031	dotnet/runtime	async.WorkItemExecution	#133915
1598019	dotnet/runtime	async.WorkItemExecution	#133739
1597997	dotnet/runtime	async.WorkItemExecution	#133662
1597987	dotnet/runtime	async.WorkItemExecution	#132981
1597981	dotnet/runtime	async.WorkItemExecution	#133547
1597953	dotnet/runtime	async.WorkItemExecution	#133917
1597921	dotnet/runtime	async.WorkItemExecution	#133977
1597936	dotnet/runtime	async.WorkItemExecution	#133773
1597910	dotnet/runtime	async.WorkItemExecution	#133976
1597894	dotnet/runtime	async.WorkItemExecution	#133970
1597885	dotnet/runtime	async.WorkItemExecution	#133215
1597860	dotnet/runtime	async.WorkItemExecution	#133967
1597845	dotnet/runtime	async.WorkItemExecution	#132927
1597810	dotnet/runtime	async.WorkItemExecution	#133380
1597684	dotnet/runtime	async.WorkItemExecution	#133827
1597671	dotnet/runtime	async.WorkItemExecution	#133932
1597563	dotnet/runtime	async.WorkItemExecution	#133046
1597549	dotnet/runtime	async.WorkItemExecution	#132448
1597497	dotnet/runtime	async.WorkItemExecution	#133696
1597532	dotnet/runtime	async.WorkItemExecution	#132572
1597064	dotnet/runtime	async.WorkItemExecution	#133934
1596878	dotnet/runtime	async.WorkItemExecution	#133922
1596836	dotnet/runtime	async.WorkItemExecution	#133924
1596797	dotnet/runtime	async.WorkItemExecution	#133825

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	49	49

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[jkotas]

Related to #133931

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