This adds a missing lazy bailout point when defining data properties
with computed property names in object literals. The runtime call to
Runtime::kDefineDataPropertyInLiteral can trigger deopts. The necessary
bailout ID already exists and is now properly used.

R=jarin@chromium.org
TEST=mjsunit/regress/regress-crbug-621816
BUG=chromium:621816

Review-Url: https://codereview.chromium.org/2099133003
Cr-Commit-Position: refs/heads/master@{#37294}