95df731257
This change is similar to https://github.com/dart-lang/sdk/commit/c97e2554ee3b21b0b0146ca41be969dd8531986d, where ExpressionVariable was used in VariableGet and VariableSet. Part of https://github.com/dart-lang/sdk/issues/61572 Change-Id: Id9fa5302adcf8c773cec8478a31948b54c8393b6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/466720 Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Chloe Stefantsova <cstefantsova@google.com>