This way we'll always only use the variables_ map of the first ScopeInfo-backed
Scope in the Scope chain.

Change-Id: I9187f7ef0b300b3ee36184d6dddd37242786c19a
Reviewed-on: https://chromium-review.googlesource.com/c/1340284Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57579}