884536dfaa
This CL fixes errors 'NoSuchMethodError: The getter 'dartAsyncMarker' was called on null.' while generating bytecode for async closures. Change-Id: I0e5726e4bf6a385772060b2ddba3cf762572538a Reviewed-on: https://dart-review.googlesource.com/68003 Reviewed-by: Zach Anderson <zra@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>