2d698cc4d0
Use of constants before rehashing can result in duplicate "canonical" constants. Change-Id: I48c008b269267461c30933002c5a5e57005dfef5 Reviewed-on: https://dart-review.googlesource.com/5282 Reviewed-by: Alexander Aprelev <aam@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>