tree 47e3625ecfcc2be99270dd5f5552a6c85accff66
parent f5224b53e461543ab1943b042488d6b1e10cec00
author Paul Berry <paulberry@google.com> 1555768425 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1555768425 +0000

Use a non-null index for all features, even expired ones.

This ensures that the FeatureSet object can track the presence or
absence of expired features.

Change-Id: Ie6e213993792b8c3d6cf84ef01c464c16c274b85
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/99920
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>