tree 42bba210721a079e4a12e9ce363027692bc372a3
parent b20dc7b98a7f31ae5a96b6668e1fdedac93c41d3
author Brian Wilkerson <brianwilkerson@google.com> 1530115927 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1530115927 +0000

Add message to assert to explain the problem

Change-Id: I0ed5a2a2f5a7f467ba8fab9f7ee92405bf3c6cf6
Reviewed-on: https://dart-review.googlesource.com/62620
Reviewed-by: Phil Quitslund <pquitslund@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>