29c9658c51
Fix instance checks for types that are internal to the type system. Fixes: #40610 Change-Id: I0c6c1bb4d64f25a97c53bd64a3940cf3e9f45c88 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/135580 Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com>