Add tests for non-primitive equality in switch cases. Even when a switch case only contains a constant (and not some more complex pattern), Dart 3.0 changes the semantics and allows constants of types that don't have primitive equality. Add some tests for that. Change-Id: Id3578d017822695451d7e44590fa349a8191a310 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/287663 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
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