See dart-lang/co19#1312

Change-Id: Ie535a826a2997c45344486febbb8cc35a748496c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/236300
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>

2022-03-16 eernst@google.com Fixes needed based on roll f5124538 (dart-lang/co19#1323)
2022-03-14 sgrekhov@unipro.ru Fixes dart-lang/co19#1310. Add language version 2.16 (dart-lang/co19#1314)
2022-03-10 519320+chloestefantsova@users.noreply.github.com Correct an enhanced-enum test to alow setters named values (dart-lang/co19#1312)
2022-02-25 sgrekhov@unipro.ru dart-lang/co19#993. Added tests for Abi class
2022-02-25 sgrekhov@unipro.ru dart-lang/co19#1258. Added test for a generic enum which does have a regular-bounded instantiate-to-bounds result
2022-02-24 sgrekhov@unipro.ru Fixes dart-lang/co19#1308. Make `UriData` tests case-insensitive
2022-02-24 sgrekhov@unipro.ru dart-lang/co19#1258. Not regular-bounded enum test added
2022-02-21 irina.arkhipets@gmail.com Merge remote-tracking branch 'remotes/origin/weak-reference-fix'
2022-02-21 sgrekhov@unipro.ru Revert accidental commits
2022-02-21 sgrekhov@unipro.ru dart-lang/co19#1305. Some cascaded errors previously reported by CFE removed
2022-02-21 sgrekhov@unipro.ru dart-lang/co19#1258. Added tests for overridden == operator
2022-02-21 sgrekhov@unipro.ru dart-lang/co19#1260. Added test for callback that throws an exception
2022-02-21 sgrekhov@unipro.ru Fixes dart-lang/co19#1307. Remove overridden == operator from enum
2022-02-21 sgrekhov@unipro.ru dart-lang/co19#1305. Some cascaded errors previously reported by CFE removed
2022-02-21 sgrekhov@unipro.ru dart-lang/co19#1260. Added test for callback that throws an exception
2022-02-21 sgrekhov@unipro.ru dart-lang/co19#1258. Added tests for overridden == operator
2022-02-20 sgrekhov@unipro.ru Fixes dart-lang/co19#1307. Remove overridden == operator from enum
2022-02-19 sgrekhov@unipro.ru dart-lang/co19#1260. Fixed tests that check attachment of the same object to finalizer several times
2022-02-18 irina.arkhipets@gmail.com dart-lang/co19#1260: Weak reference tests updated.
2022-02-18 sgrekhov@unipro.ru dart-lang/co19#1258. More implementing enums tests added
2022-02-17 sgrekhov@unipro.ru Fixes dart-lang/sdkdart-lang/co19#48412. Different issues fixed in Finalizer tests
2022-02-17 sgrekhov@unipro.ru dart-lang/co19#1260. Finalizer test improved
2022-02-17 sgrekhov@unipro.ru dart-lang/co19#1260. Minor code enhancement
2022-02-16 sgrekhov@unipro.ru dart-lang/co19#1260. Typo fixed
2022-02-16 sgrekhov@unipro.ru dart-lang/co19#1260. Fix attach to finalizer tests
2022-02-16 sgrekhov@unipro.ru dart-lang/co19#1260. Finalizer tests fixed and refactored
2022-02-16 sgrekhov@unipro.ru dart-lang/co19#1260. Another WeakReference tests added
2022-02-15 irina.arkhipets@gmail.com dart-lang/co19#1260: Finalizer tests updated.
2022-02-15 sgrekhov@unipro.ru Fixes dart-lang/sdkdart-lang/co19#48391. Use function with 'no-inline' to create a WeakReference and to lost link to its target
2022-02-15 irina.arkhipets@gmail.com dart-lang/co19#1260: Finalizer tests updated.
2022-02-14 sgrekhov@unipro.ru dart-lang/co19#130. Roll failure fixed

Cq-Include-Trybots: dart/try:analyzer-nnbd-linux-release-try,dart2js-nnbd-linux-x64-chrome-try,ddc-nnbd-linux-release-chrome-try,front-end-nnbd-linux-release-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-nnbd-linux-release-simarm-try,vm-kernel-nnbd-linux-release-simarm64-try,vm-kernel-nnbd-linux-release-x64-try,vm-kernel-nnbd-win-release-x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-precomp-nnbd-linux-release-simarm64-try,vm-kernel-precomp-nnbd-linux-release-x64-try,vm-kernel-precomp-nnbd-mac-release-simarm64-try,vm-kernel-precomp-nnbd-win-release-x64-try
Change-Id: Icc2bea05df29e00b671b2843af7c3c55fa45da35
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/237581
Reviewed-by: William Hesse <whesse@google.com>