This CL enables the same checks in the redirecting factories of
extension types as in redirecting factories of classes. Additionally,
this CL marks all of those erroneous constructors, in classes and in
extension type declarations, as erroneous.
Change-Id: Ic270324f05b6a8424c1ab9fbe9fe4f1d0b22a3fc
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425860
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Commit-Queue: Chloe Stefantsova <cstefantsova@google.com>
Chloe Stefantsova
40d52d54af