8d7fa35c88
TEST=tsan, ubsan Bug: https://github.com/dart-lang/sdk/issues/52862 Change-Id: I7b89ab6f9101ec397068e50e996dee36a1479527 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/327043 Reviewed-by: Ben Konyi <bkonyi@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>