tree 861504de0a22046442cb3894a47131a24d8f584b
parent c88171c8af52aaae166d2fcd0a4f7c75bf6a0a5b
author Johnni Winther <johnniwinther@google.com> 1612447607 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1612447607 +0000

[cfe] Add Function.futureValueType and serialize Let.fileOffset

Serializing Let.fileOffset supports positions in stacktraces resulting
from null aware expressions, like `if (o?.foo) ...` when `o` is `null`.

Adding Function.futureValueType supports the proper backend
implementation for the fix in
https://dart-review.googlesource.com/c/sdk/+/181303

Closes #44654

TEST=existing

Change-Id: Ie5939a248d3d8bf41388e8f435e4ba4195afeabd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182269
Commit-Queue: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Jens Johansen <jensj@google.com>