Forcing an object into dictionary mode now requires deleting
a property that's not the last property.
BUG=chromium:718816
NOTRY=true
Review-Url: https://codereview.chromium.org/2860403002
Cr-Commit-Position: refs/heads/master@{#45140}
1) Create fast objects so that they stay fast after creation.
2) Run combination "test_function vs {test_objects}" as a benchmark during 1 second.
This CL changes benchmark's base score.
Review-Url: https://codereview.chromium.org/1988673002
Cr-Commit-Position: refs/heads/master@{#36277}