1ce773c67f
As a possible performance improvement types are hoisted to top level variables where they can be used from anywhere in the program. Change-Id: I93cee0b6e582e9218dae5b15b2b8816e7c64153b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142905 Commit-Queue: Nicholas Shahan <nshahan@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com> Reviewed-by: Mark Zhou <markzipan@google.com>