What happens when the object to which the "await" signal belongs is released?

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:bust_in_silhouette: Asked By zjf0123

There is such a code

func a():
  b()

func b():
  await c.signal

This should be an asynchronous call. What happens if object c is released while the “await” is waiting for the signal?
If I use such code extensively in my project, will it cause hidden dangers?