This is the first checked-in SDK with null-safety enabled by default.
Change-Id: I8f6fcdfd8856483f4737eb200ed4623a244cb0cd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/170085
Reviewed-by: Leaf Petersen <leafp@google.com>
Commit-Queue: Alexander Thomas <athom@google.com>
This change adds a rule to the SDK PRESUBMIT.py to validate that the
test matrix used by the CI/CQ builders does not contain errors.
Change-Id: Ie967e71dda76677f4db84c1e9e613d702b57069f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/147547
Commit-Queue: Karl Klose <karlklose@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>