Wrong option passed to TaskCompletionSource (CA2247)

Key dotnet.async.taskcompletionsource-options · Severity error · Category async

Microsoft analyzer CA2247. Flags a TaskContinuationOptions value passed to the TaskCompletionSource constructor, which expects TaskCreationOptions. It compiles and means something else entirely.

Incorrect

var tcs = new TaskCompletionSource(TaskContinuationOptions.RunContinuationsAsynchronously);

Correct

var tcs = new TaskCompletionSource(TaskCreationOptions.RunContinuationsAsynchronously);