26a7b68ee6
We don't need any more information than what is found on an Expression, in order to attempt to compute a constant value. This simplifies some lint rules, a quick fix, and BestPracticesVerifier. Change-Id: Id02b7988be28e7d8846642b1ab890290a4279743 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364821 Reviewed-by: Phil Quitslund <pquitslund@google.com> Commit-Queue: Samuel Rawlins <srawlins@google.com>