[MarkSweep]

.NET bothers with it, to support RuntimeHelpers.EnsureSufficientExecutionStack [1] and other things. See the pthreads calls used to here [2].

[1]: https://learn.microsoft.com/en-us/dotnet/api/system.runtime....

[2]: https://github.com/dotnet/runtime/blob/b6a3e784f0bb418fd2fa7...