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LibJS: Cache commonly used FlyStrings in the VM
Roughly 7% of test-js runtime was spent creating FlyStrings from string literals. This patch frontloads that work and caches all the commonly used names in LibJS on a CommonPropertyNames struct that hangs off VM.
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45 changed files with 651 additions and 392 deletions
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@ -40,7 +40,8 @@ Array* Array::create(GlobalObject& global_object)
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Array::Array(Object& prototype)
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: Object(prototype)
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{
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define_native_property("length", length_getter, length_setter, Attribute::Writable);
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auto& vm = this->vm();
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define_native_property(vm.names.length, length_getter, length_setter, Attribute::Writable);
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}
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Array::~Array()
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