Alexander Markov
c1616f92ef
This makes it possible to use FutureOrCid in the VM and efficiently test if type is FutureOr. This also makes it possible to use predicates like IsTopType very early during VM bootstrapping (before reusable handles are initialized). The latter is needed to correctly select type testing stub for top types. Change-Id: I4c482143c0ebaafa1c8e13e95dc6f20e3af7059a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/136000 Reviewed-by: Régis Crelier <regis@google.com> Reviewed-by: Ryan Macnak <rmacnak@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>