5eb2996148
This CL also removes an obsoleted comment about adding flow analysis to null-aware elements in lists and sets. Since the null-aware elements don't introduce changes to the control flow in lists and sets, such analysis isn't necessary. Part of https://github.com/dart-lang/sdk/issues/55955 Change-Id: I3dbe3f0bd76ce19ff232dc5be20376f5c43f1323 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/387962 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Chloe Stefantsova <cstefantsova@google.com>