This optimization doesn't seem to be triggering on [React's shallowEquals](https://github.com/mozilla/Speedometer/blob/f747cf98d83acdf21bd849ab1795533266a40934/resources/todomvc/architecture-examples/react-redux/dist/app.bundle.js#L3829). I see two `ObjectKeys` ops in the IR each of which seems to correspond to a call to `VMWrapper: ObjectKeys`. I'd expect to see one `ObjectKeysLength` and one `ObjectKeys`
Bug 1845728 Comment 11 Edit History
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This optimization doesn't seem to be triggering on [React's shallowEqual](https://github.com/mozilla/Speedometer/blob/f747cf98d83acdf21bd849ab1795533266a40934/resources/todomvc/architecture-examples/react-redux/dist/app.bundle.js#L3829). I see two `ObjectKeys` ops in the IR each of which seems to correspond to a call to `VMWrapper: ObjectKeys`. I'd expect to see one `ObjectKeysLength` and one `ObjectKeys`