Test failure: Microsoft.Extensions.Logging.Generators.Tests.LoggerMessageGeneratorEmitterTests.TestBaseline_TestWithNestedClass_Success

[v-wenyuxu]

Failed in: runtime-coreclr libraries-pgo 20241124.1

Failed tests:

net10.0-windows-Release-x86-jitosr_stress_random-Windows.10.Amd64.Open
    - Microsoft.Extensions.Logging.Generators.Tests.LoggerMessageGeneratorEmitterTests.TestBaseline_TestWithNestedClass_Success
    - Microsoft.Extensions.Logging.Generators.Tests.LoggerMessageGeneratorEmitterTests.TestBaseline_TestWithNestedClass_Success
net10.0-windows-Release-x86-jitosr_stress-Windows.10.Amd64.Open
    - Microsoft.Extensions.Logging.Generators.Tests.LoggerMessageGeneratorEmitterTests.TestBaseline_TestWithNestedClass_Success
    - Microsoft.Extensions.Logging.Generators.Tests.LoggerMessageGeneratorEmitterTests.TestBaseline_TestWithNestedClass_Success
net10.0-windows-Release-x86-jitoldlayout-Windows.10.Amd64.Open
    - Microsoft.Extensions.Logging.Generators.Tests.LoggerMessageGeneratorEmitterTests.TestBaseline_TestWithNestedClass_Success
    - Microsoft.Extensions.Logging.Generators.Tests.LoggerMessageGeneratorEmitterTests.TestBaseline_TestWithNestedClass_Success

Error message:

 Assert.Empty() Failure: Collection was not empty
Collection: [warning CS8785: Generator 'LoggerMessageGenerator' failed to generate source. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'NullReferenceException' with message 'Object reference not set to an instance of an object.']

Stack trace:

   at Microsoft.Extensions.Logging.Generators.Tests.LoggerMessageGeneratorEmitterTests.VerifyAgainstBaselineUsingFile(String filename, String testSourceCode) in /_/src/libraries/Microsoft.Extensions.Logging.Abstractions/tests/Microsoft.Extensions.Logging.Generators.Tests/LoggerMessageGeneratorEmitterTests.cs:line 265
   at Microsoft.Extensions.Logging.Generators.Tests.LoggerMessageGeneratorEmitterTests.TestBaseline_TestWithNestedClass_Success() in /_/src/libraries/Microsoft.Extensions.Logging.Abstractions/tests/Microsoft.Extensions.Logging.Generators.Tests/LoggerMessageGeneratorEmitterTests.cs:line 147
--- End of stack trace from previous location ---

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[EgorBo]

Likely same as #110127

[EgorBo]

Closed by #110129 (and doesn't repro in #110142)