Examples of errors detected by the V3084 diagnostic

V3084. Anonymous function is used to unsubscribe from event. No handlers will be unsubscribed, as a separate delegate instance is created for each anonymous function declaration.

MSBuild

V3084 Anonymous function is used to unsubscribe from 'OnImmutablePathsInitialized' event. No handlers will be unsubscribed, as a separate delegate instance is created for each anonymous function declaration. CheckScopeClassifier.cs 67

private static void SubscribeImmutablePathsInitialized()
{
  NotifyOnScopingReadiness?.Invoke();

  FileClassifier.Shared.OnImmutablePathsInitialized -= () =>
    NotifyOnScopingReadiness?.Invoke();
}