tree c8b31e39b08156e612cdb1b145373ac4b2dc667e
parent 2a32cdda6d0e3da8f370bed159543590f7702b89
author Aske Simon Christensen <askesc@google.com> 1557486169 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1557486169 +0000

Directly check for subclass-of without using a class hierarchy.

Change-Id: I4b97f4710534b637560f7ca21ad083c7d5111c30
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/101983
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Reviewed-by: Jacob Richman <jacobr@google.com>