f77d7197b8
Rationale: This exposes certain bugs in a cleaner way than just crashing. See bug for an example. https://github.com/dart-lang/sdk/issues/38965 https://github.com/dart-lang/sdk/issues/38979 Change-Id: Ib6ce52e31d5ca539fb4aedab989638949751627f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/122168 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Aart Bik <ajcbik@google.com>