536541cd3a
In some cases, this brings the type of a phi and the type of its inputs into agreement. TEST=ci Bug: https://github.com/dart-lang/sdk/issues/46799 Change-Id: I8383a6fceb85cab2eff310d9e38661f868da15d9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/208841 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com>