dart-lang/sdk@4b9638aaa1 [VM/nnbd] Use a single byte in snapshot to write flags and nullability of types.
dart-lang/sdk@f6efefc09c [dartdevc] Move the custom type test logic to patch files
dart-lang/sdk@1994c5c323 Improve error reporting in ID tests
dart-lang/sdk@e93bf30171 fix deprecated messages for implicit getters/setters
dart-lang/sdk@b647e327aa Fix an assertion to support migration of part files
dart-lang/sdk@335b85fea1 [nnbd_migration] for tool/trial_migration, accept interest argument.
dart-lang/sdk@3e3a926690 Fix spread and Set/Map literal disambiguation when NNBD.