The "@compile-error" comment is an old not-great way of defining static
error tests.
Change-Id: I6564643302f66c5920b38d2269c160099322560b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/296421
Reviewed-by: Jake Macdonald <jakemac@google.com>
Commit-Queue: Jake Macdonald <jakemac@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>