tree 3ade7cff4b1f40fc175b8b1c51c5acb317611a64
parent e830338919acf242c8a03cd19db399ef80d0a284
author Paul Berry <paulberry@google.com> 1553004886 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1553004886 +0000

Rework tracking of variables in scope while resynthesizing expressions.

The new formulation allows easy popping of variables when leaving
nested scopes.  This should make it easier to support "for" collection
elements that declare variables.

Change-Id: Ie1dbb11c50677936973acef804b2496a0d00a84a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/97172
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>