'9. Let targetName be ? Get(Target, "name").' didn't produce required
side effects.

Bug: v8:6712
Change-Id: Iebf007b4e93ebbf9c6c85c9729d972a8c1a7b129
Reviewed-on: https://chromium-review.googlesource.com/616727Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47393}