* ARGUMENT_TYPE_NOT_ASSIGNABLE_TO_ERROR_HANDLER
* BODY_MIGHT_COMPLETE_NORMALLY_CATCH_ERROR
* BODY_MIGHT_COMPLETE_NORMALLY_NULLABLE
* DEPRECATED_EXTENDS_FUNCTION
* DEPRECATED_IMPLEMENTS_FUNCTION
* DEPRECATED_MIXIN_FUNCTION
* DEPRECATED_NEW_IN_COMMENT_REFERENCE
This requires allowing these warnings to be reported in language tests without being expected.
Also, observatory now must comply with BODY_MIGHT_COMPLETE_NORMALLY_NULLABLE (or we could ignore the diagnostic).
TESTED=unit tests
Change-Id: I8facfa48a8645bac5bf8037163076a8f0a0ad05e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/275740
Reviewed-by: Ben Konyi <bkonyi@google.com>
Reviewed-by: Phil Quitslund <pquitslund@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Samuel Rawlins <srawlins@google.com>
Sam Rawlins
b9a42c82bc