4fe2f6f349
Add a test that reproduces a error we had in flutter code when
for instance 51da94da76 was HEAD.
Add a test for constant sets.
Change-Id: Ibae4891623bb23b93473aae6b29387cfcb66bf3a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/98340
Reviewed-by: Dmitry Stefantsov <dmitryas@google.com>
Commit-Queue: Jens Johansen <jensj@google.com>