iOS.CoreCLR.R2R.Test failure: Bad CPU type in executable

[AndyAyersMS]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1342151
Build error leg or test failing: iOS.CoreCLR.R2R.Test.WorkItemExecution
Pull request: #125752

Error Message

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

{
  "ErrorMessage": "Bad CPU type in executable",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1342151
Error message validated: [Bad CPU type in executable]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 3/19/2026 2:32:47 PM UTC

Report

Build	Definition	Test	Pull Request
1344434	dotnet/runtime	iOS.Device.ParallelForEachAsync.Test.WorkItemExecution	#125817
1344344	dotnet/runtime	iOS.Device.ExportManagedSymbols.Test.WorkItemExecution	#125816
1344117	dotnet/runtime	iOS.Device.Aot.Test.WorkItemExecution
1343631	dotnet/runtime	iOS.Device.ExportManagedSymbols.Test.WorkItemExecution	#125790
1344062	dotnet/runtime	iOS.Device.ParallelForEachAsync.Test.WorkItemExecution
1344071	dotnet/runtime	nativeaot.SmokeTests.UnitTests.WorkItemExecution
1343878	dotnet/runtime	iOS.Device.ParallelForEachAsync.Test.WorkItemExecution	#125151
1343853	dotnet/runtime	iOS.Device.ExportManagedSymbols.Test.WorkItemExecution	#124328
1343568	dotnet/runtime	iOS.Device.Aot.Test.WorkItemExecution	#125784
1343628	dotnet/runtime	iOS.Device.LibraryMode.Test.WorkItemExecution	#125789
1343543	dotnet/runtime	iOS.Device.ExportManagedSymbols.Test.WorkItemExecution	#125786
1343541	dotnet/runtime	nativeaot.SmokeTests.UnitTests.WorkItemExecution
1342151	dotnet/runtime	iOS.CoreCLR.R2R.Test.WorkItemExecution	#125752

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
12	13	13

[dotnet-policy-service]

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