This seems to be triggered now with global object specialization.

TEST=mjsunit/regress/regress-crbug-450960
TBR=mstarzinger@chromium.org
BUG=v8:4195
LOG=n

Review URL: https://codereview.chromium.org/1388403002 .

Cr-Commit-Position: refs/heads/master@{#31147}