tree b73c33119db90a1f40b12b113fcd21a62c683989
parent 19a8886a8ae802cfb4479b46319bf7a39722f1ef
author Mike Fairhurst <mfairhurst@google.com> 1559167991 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1559167991 +0000

First subtyping rules for nullable types

Change-Id: Ibaaea75f8b5e83f1fb7039332093121854108da8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/103548
Commit-Queue: Mike Fairhurst <mfairhurst@google.com>
Reviewed-by: Paul Berry <paulberry@google.com>