8eda75fc1a
This assertion fails when compiling the SDK because the types dynamic, Null, and void all have `Nullability.nullable`. They are safe to allow through unchanged because each has their own visitor that avoids the nullability wrapper at runtime. Change-Id: I0ce345ce11dddb345eab3708804cbde6a540fdd1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/184880 Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com>