E.g. recover `Map<int, int>{}` by ignoring the map (i.e. it's
just a literal map), recover `new {}` as just `{}` etc.
Fixes#45251.
Change-Id: I44e67ca6d3b9b068014b8e28822a61063c794d57
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/190022
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Jens Johansen <jensj@google.com>
Change-Id: Ia12f714f41ad9bd9e6c0ddf051a8e05ab2d6282b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149392
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>