293e84cd5c
Needed by irregexp. TEST=ci Change-Id: Ie64ee2869ddbb5bad234aea9b49d140b96fed2be Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/481242 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>