[kernel] Allow merging nnbd disabled + nnbd weak

Allow loading a dill that contains both nnbd disabled and nnbd weak.

Fixes https://github.com/flutter/flutter/issues/58126

Change-Id: Ic188bd1d377aa9d660e8803869713342f3a814c6
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149424
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Commit-Queue: Jens Johansen <jensj@google.com>

https://dart.googlesource.com/sdk/+/0f80f518595224dd092849368e634151dd36a97c
1 file changed
tree: cab1bd029713d9ea5aded31c51b94eed68e7d7b1
  1. commits.json