R=jgruber@chromium.org
BUG=v8:5530

Review-Url: https://codereview.chromium.org/2589203002
Cr-Original-Commit-Position: refs/heads/master@{#41911}
Committed: https://chromium.googlesource.com/v8/v8/+/381082168d37d4f2794360ae31dc078f2a350113
Review-Url: https://codereview.chromium.org/2589203002
Cr-Commit-Position: refs/heads/master@{#42220}