[Wasm] Test with with "[MONO] no object of size"

[jkotas]

[17:58:18] fail: [MONO] no object of size 536935192d

Error
    at Mc (http://127.0.0.1:58317/_framework/dotnet.runtime.js:3:172233)
    at wasm_trace_logger (http://127.0.0.1:58317/_framework/dotnet.native.wasm:wasm-function[158]:0xb02e)
    at eglib_log_adapter (http://127.0.0.1:58317/_framework/dotnet.native.wasm:wasm-function[656]:0x455d4)
    at monoeg_g_logv_nofree (http://127.0.0.1:58317/_framework/dotnet.native.wasm:wasm-function[581]:0x436c9)
    at monoeg_g_log (http://127.0.0.1:58317/_framework/dotnet.native.wasm:wasm-function[583]:0x4378c)
    at ms_find_block_obj_size_index (http://127.0.0.1:58317/_framework/dotnet.native.wasm:wasm-function[952]:0x52e7b)
    at alloc_obj (http://127.0.0.1:58317/_framework/dotnet.native.wasm:wasm-function[991]:0x593be)
    at major_alloc_object (http://127.0.0.1:58317/_framework/dotnet.native.wasm:wasm-function[982]:0x54a4a)
    at alloc_for_promotion (http://127.0.0.1:58317/_framework/dotnet.native.wasm:wasm-function[1058]:0x5c4ec)
    at copy_object_no_checks (http://127.0.0.1:58317/_framework/dotnet.native.wasm:wasm-function[998]:0x5a05b)

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1109602
Build error leg or test failing: WasmTestOnChrome-ST-System.Reflection.Emit.Tests.WorkItemExecution
Pull request: #117950

Error Message

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

{
  "ErrorMessage": "fail: [MONO] no object of size",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1109602
Error message validated: [fail: [MONO] no object of size]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 7/31/2025 5:12:45 PM UTC

Report

Build	Definition	Test	Pull Request
1110928	dotnet/runtime	WasmTestOnChrome-ST-System.Xml.Linq.Events.Tests.WorkItemExecution	#118045
1109602	dotnet/runtime	WasmTestOnChrome-ST-System.Reflection.Emit.Tests.WorkItemExecution	#117950

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	2	2

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