4f3fa67529
* Clarifies the language in the error message for a covariant bounds check failure. * Fixes the type name printing in the error message. Before: ``` type `Instance of 'Rti'` does not extend `Instance of 'Rti'` of `H`. ``` After: ``` The type argument `List<Object>` is not a subtype of the type variable bound `List<int>` of type variable `H`. ``` Issue: https://github.com/dart-lang/sdk/issues/62732 Change-Id: If3cd7138b0488062ff31991162250cbaca26dda7 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/482341 Reviewed-by: Nate Biggs <natebiggs@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com>