16013e3026
The first is a compile-time error, and the second is a warning. This change allows users to ignore one and not the other, both in source-based `// ignore_for_file` comments, and in analysis options. This is particularly important for internal use; we want to mark one as "allowed to ignore" but not the other. Cq-Include-Trybots: luci.dart.try:flutter-analyze-try,analyzer-win-release-try,pkg-win-release-try Change-Id: I6c08d18752f2cac6fe0a389532ffb4a0a11a7d96 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/374204 Commit-Queue: Samuel Rawlins <srawlins@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>