141bb5417b
Adds the `isWildcard` flag to variables. Will be using this for producing better errors. TEST= Existing expectations tests for wildcards pass with new flag. Bug: https://github.com/dart-lang/sdk/issues/55655 Change-Id: If2f7a5555e7cc26e84d1b1e63e4261c81a157d78 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/370062 Reviewed-by: Alexander Markov <alexmarkov@google.com> Reviewed-by: Chloe Stefantsova <cstefantsova@google.com> Commit-Queue: Kallen Tu <kallentu@google.com>