Andreas Kling bf1b754e91 LibJS: Optimize reading known-to-be-initialized var bindings ...

`var` bindings are never in the temporal dead zone (TDZ), and so we
know accessing them will not throw.

We now take advantage of this by having a specialized environment
binding value getter that doesn't check for exceptional cases.

1.08x speedup on JetStream.

2025-05-04 02:31:18 +02:00

7.5 KiB

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