Transient failure in test AsyncIteratorWithCustomCode

[jcouv]

Link for all failures of this type.

In the Windows CoreClr Debug CI leg of PR #34141, the AsyncIteratorWithCustomCode failed.

Failing build20190316.11

Error message:
System.InvalidOperationException : Operation is not valid due to the current state of the object.

Stack trace

   at System.Threading.Tasks.Sources.ManualResetValueTaskSourceCoreShared.ThrowInvalidOperationException()
    at System.Threading.Tasks.Sources.ManualResetValueTaskSourceCoreShared.CompletionSentinel(Object _)    at System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore`1.InvokeContinuation()

    at System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore`1.SignalCompletion()
    at System.Threading.Tasks.Sources.ManualResetValueTaskSourceCore`1.SetResult(TResult result)
    at C.<Main>g__local|0_0()
    at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
    at System.Runtime.CompilerServices.AsyncIteratorMethodBuilder.MoveNext[TStateMachine](TStateMachine& stateMachine)
    at C.<Main>g__local|0_0()
    at C.Main()
    at C.Main()
    at C.<Main>()

Runfo Tracking Issue: Test failure in TestGetAsyncEnumeratorPatternOnRange

Build	Definition	Kind	Run Name

Build Result Summary

Day Hit Count	Week Hit Count	Month Hit Count
0	0	0