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TurboFan now folds away calls like `Object(value)` when `value` is already a JavaScript object. This speeds up webpack v3-generated code.https://twitter.com/bmeurer/status/903128993616027649 …
New blog post "Object constructor calls in webpack bundles" with some background on the recent webpack findings http://benediktmeurer.de/2017/08/31/object-constructor-calls-in-webpack-bundles/ … pic.twitter.com/VXQyiAbh2mwebpack v3 generates code like `Object(o.f)()`. @bmeurer patched V8 to make that pattern as fast as `const f = o.f; f()`.
Question is: why? The optimizer should optimize for the engine not the other way around. That or the optimizer become official.
It’s a two-way street. If a coding pattern is commonly used, why wouldn’t engines optimize for it?
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