4bf6354b97
This change uses the DART_EXPERIMENTAL_BUILD environment variable to detect whether the current build happens to be experimental and shouldn't have side effects. Bug: b/215113476 Change-Id: Id5442d80d69309e320077f053d8af75b3aab670a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/228862 Reviewed-by: Alexander Thomas <athom@google.com> Commit-Queue: Jonas Termansen <sortie@google.com>