DisassemblyDiagnoserTests randomly failed on CI (macos(arm64))
Author: filzrevCreated Apr 15, 2026Updated Jun 3, 2026
On CI environment, DisassemblyDiagnoserTests randomly failed with following exception.
StackTrace
CanDisassembleAllMethodCallsUsingFilters(jit: RyuJit, platform: X64, toolchain: .NET 8.0) [FAIL]
System.InvalidOperationException : Sequence contains no elements
Stack Trace:
at System.Linq.ThrowHelper.ThrowNoElementsException()
at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source)
/Users/runner/work/BenchmarkDotNet/BenchmarkDotNet/tests/BenchmarkDotNet.IntegrationTests/DisassemblyDiagnoserTests.cs(114,0): at BenchmarkDotNet.IntegrationTests.DisassemblyDiagnoserTests.CanDisassembleAllMethodCallsUsingFilters(Jit jit, Platform platform, IToolchain toolchain)
at InvokeStub_DisassemblyDiagnoserTests.CanDisassembleAllMethodCallsUsingFilters(Object, Span`1)
at System.Reflection.MethodBaseInvoker.InvokeWithFewArgs(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)It seems disassembler silently failed on some conditions https://github.com/dotnet/BenchmarkDotNet/issues/2637
Currently this issue is observed on test-macos (x64) only.
Source: dotnet/BenchmarkDotNet