ExtendedLayoutTypes.dll fails to aot compile on mono

[BrzVlad]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1152886&view=logs&j=d25dc2c0-518b-5583-f661-5ac905106679
Build error leg or test failing: Build / linux-x64 Release AllSubsets_Mono_LLVMFULLAOT_RuntimeTests llvmfullaot / AOT compile CoreCLR tests
Pull request: #119881

Error Message

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

{
  "ErrorMessage": "ExtendedLayoutTypes.dll\" exited with code 134",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1152886
Error message validated: [ExtendedLayoutTypes.dll" exited with code 134]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/22/2025 10:17:42 AM UTC

Report

Build	Definition	Step Name	Console log	Pull Request
1165507	dotnet/runtime	AOT compile CoreCLR tests	Log
1165478	dotnet/runtime	AOT compile CoreCLR tests	Log
1165234	dotnet/runtime	AOT compile CoreCLR tests	Log
1165182	dotnet/runtime	AOT compile CoreCLR tests	Log
1164609	dotnet/runtime	AOT compile CoreCLR tests	Log
1164565	dotnet/runtime	AOT compile CoreCLR tests	Log
1164127	dotnet/runtime	AOT compile CoreCLR tests	Log
1164072	dotnet/runtime	AOT compile CoreCLR tests	Log
1163522	dotnet/runtime	AOT compile CoreCLR tests	Log
1163457	dotnet/runtime	AOT compile CoreCLR tests	Log
1163156	dotnet/runtime	AOT compile CoreCLR tests	Log
1163084	dotnet/runtime	AOT compile CoreCLR tests	Log
1162437	dotnet/runtime	AOT compile CoreCLR tests	Log
1162385	dotnet/runtime	AOT compile CoreCLR tests	Log
1162003	dotnet/runtime	AOT compile CoreCLR tests	Log
1161947	dotnet/runtime	AOT compile CoreCLR tests	Log
1161673	dotnet/runtime	AOT compile CoreCLR tests	Log	#120256
1161477	dotnet/runtime	AOT compile CoreCLR tests	Log
1161441	dotnet/runtime	AOT compile CoreCLR tests	Log
1161044	dotnet/runtime	AOT compile CoreCLR tests	Log
1161011	dotnet/runtime	AOT compile CoreCLR tests	Log
1160492	dotnet/runtime	AOT compile CoreCLR tests	Log
1160463	dotnet/runtime	AOT compile CoreCLR tests	Log
1160225	dotnet/runtime	AOT compile CoreCLR tests	Log
1160219	dotnet/runtime	AOT compile CoreCLR tests	Log
1160091	dotnet/runtime	AOT compile CoreCLR tests	Log
1160079	dotnet/runtime	AOT compile CoreCLR tests	Log
1159967	dotnet/runtime	AOT compile CoreCLR tests	Log
1159953	dotnet/runtime	AOT compile CoreCLR tests	Log
1159811	dotnet/runtime	AOT compile CoreCLR tests	Log
1159803	dotnet/runtime	AOT compile CoreCLR tests	Log
1159546	dotnet/runtime	AOT compile CoreCLR tests	Log
1159489	dotnet/runtime	AOT compile CoreCLR tests	Log
1159003	dotnet/runtime	AOT compile CoreCLR tests	Log
1158928	dotnet/runtime	AOT compile CoreCLR tests	Log
1158508	dotnet/runtime	AOT compile CoreCLR tests	Log
1158469	dotnet/runtime	AOT compile CoreCLR tests	Log
1158133	dotnet/runtime	AOT compile CoreCLR tests	Log	#106880
1157808	dotnet/runtime	AOT compile CoreCLR tests	Log
1157783	dotnet/runtime	AOT compile CoreCLR tests	Log
1157349	dotnet/runtime	AOT compile CoreCLR tests	Log
1157270	dotnet/runtime	AOT compile CoreCLR tests	Log
1156839	dotnet/runtime	AOT compile CoreCLR tests	Log
1156816	dotnet/runtime	AOT compile CoreCLR tests	Log
1156363	dotnet/runtime	AOT compile CoreCLR tests	Log
1156287	dotnet/runtime	AOT compile CoreCLR tests	Log
1155882	dotnet/runtime	AOT compile CoreCLR tests	Log
1155862	dotnet/runtime	AOT compile CoreCLR tests	Log
1155421	dotnet/runtime	AOT compile CoreCLR tests	Log
1155324	dotnet/runtime	AOT compile CoreCLR tests	Log
1154724	dotnet/runtime	AOT compile CoreCLR tests	Log
1154701	dotnet/runtime	AOT compile CoreCLR tests	Log
1152886	dotnet/runtime	AOT compile CoreCLR tests	Log	#119881

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
2	27	53

[BrzVlad]

I believe this started happening after #116082, cc @jkoritzinsky