This also handles reporting of cyclic bounds in parts and sets the
bound of a cyclic type parameter to InvalidType to avoid looping on
the bound later, as for instance in computation of NORM.
Closes#45330
Change-Id: Ida20dc5b44b08a6f8674a402d801314a9172fa8a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/192142
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Dmitry Stefantsov <dmitryas@google.com>
Johnni Winther