tree 537589db79c1a918dcdf203f075b6bf8610b5dec
parent 57f18c6d3867eec7adc15ba48f2eaac191170e9b
author Johnni Winther <johnniwinther@google.com> 1617099928 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1617099928 +0000

[cfe] Add DartType.toNonNull

Add helper on DartType to compute the `NonNull` of a type and use this
instead of `withDeclaredNullability(Nullability.nonNullable).

Includes a fix in the computation of NonNull of FutureOr.

TEST=existing

Change-Id: I3399cbf89c7d3f3e90f1315b01f40957e798a1b1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/193400
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Dmitry Stefantsov <dmitryas@google.com>