It was not properly rewriting three cases:

-   [...[42]][0]
-   [...[42]].length
-   [...[42]] `foo`    (which is a type error)

R=rossberg@chromium.org
BUG=v8:4696
LOG=N

Review URL: https://codereview.chromium.org/1617713002

Cr-Commit-Position: refs/heads/master@{#33433}