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Fix trimming analyzer missing diagnostics for method calls in field access expressions #123040

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Fix test warnings: Use typeof(TestType) instead of o.GetType() to avo…

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Fix trimming analyzer missing diagnostics for method calls in field access expressions #123040

Fix test warnings: Use typeof(TestType) instead of o.GetType() to avo…
025264e
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Build Analysis / Build Analysis failed Jan 15, 2026 in 0s

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Test Failures (3 tests failed)

🔹 [All failing tests from dotnet-linker-tests]

    ⚠️ 2 failing tests not displayed for this pipeline due to space limitations

    ❌ ILLink.RoslynAnalyzer.Tests.DataFlowTests.FieldDataFlow [Details] [0.28% failure rate]
    [ 🚧 Report test infrastructure issue] [ 📄 Report test repository issue]

    Failing Configurations (3)
    Exception Message
    Unexpected warnings were generated:\n/__w/1/s/src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/FieldDataFlow.cs(239,17): warning IL2072: 'unused' argument does not satisfy 'DynamicallyAccessedMemberTypes.All' in call to 'Mono.Linker.Tests.Cases.DataFlow.FieldDataFlow.AccessReturnedInstanceField.GetInstance(Type)'. The return value of method 'Mono.Linker.Tests.Cases.DataFlow.FieldDataFlow.GetUnknownType()' does not have matching annotations. The source value must declare at least the same requirements as those declared on the target location it is assigned to.\n/__w/1/s/src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/FieldDataFlow.cs(253,17): warning IL2072: 'unused' argument does not satisfy 'DynamicallyAccessedMemberTypes.All' in call to 'Mono.Linker.Tests.Cases.DataFlow.FieldDataFlow.AccessReturnedInstanceField.GetInstance(Type)'. The return value of method 'Mono.Linker.Tests.Cases.DataFlow.FieldDataFlow.GetUnknownType()' does not have matching annotations. The source value must declare at least the same requirements as those declared on the target location it is assigned to.
    CallStack
       at ILLink.RoslynAnalyzer.Tests.TestChecker.Check(Boolean allowMissingWarnings) in /__w/1/s/src/tools/illink/test/ILLink.RoslynAnalyzer.Tests/TestChecker.cs:line 73
   at ILLink.RoslynAnalyzer.Tests.TestCaseUtils.RunTestFile(String suiteName, String testName, Boolean allowMissingWarnings, ValueTuple`2[] msbuildProperties) in /__w/1/s/src/tools/illink/test/ILLink.RoslynAnalyzer.Tests/TestCaseUtils.cs:line 86
--- End of stack trace from previous location ---

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