Aliaksandr Kalenik b1af91d8c4 LibJS: Use local variables to store function parameters in some cases ...

Using local variables to store function parameters makes Kraken tests
run 7-10% faster.

For now this optimization is limited to only be applied if:
- Parameter does not use destructuring assignment
- None of the function params has default value
- There is no access to "arguments" variable inside function body

2023-07-07 19:35:08 +02:00

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