8e5195c3c5
This will allow for `package:test` to handle test cases which call `exit(...)` without the test suite being aborted due to the VM shutting down. See https://github.com/dart-lang/test/issues/2248 Change-Id: I09e78460d2b87ba7ea755d7538a1446ecb566d0b CoreLibraryReviewExempt: Only adds override behavior, does not change API surface. Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/377380 Commit-Queue: Ben Konyi <bkonyi@google.com> Reviewed-by: Brian Quinlan <bquinlan@google.com>