Unused ignore arguments usage in outer scope

[Austaras]

Describe the bug

A long-standing issue(that nobody cares) revealed by Codex.

Input code

function run(f) {
    f()
}

function foo(b) {
    run(() => {
        b = 2
    })

    console.log(arguments[0])
}

foo(1)

Config

{
  "jsc": {
    "parser": {
      "syntax": "typescript",
      "tsx": false
    },
    "target": "es2015",
    "loose": false,
    "minify": {
      "compress": {
        "defaults": true
      }
    }
  },
  "module": {
    "type": "es6"
  },
  "minify": false,
  "isModule": true
}

Link to the code that reproduces this issue

https://play.swc.rs/?version=1.15.43&code=H4sIAAAAAAAAA0srzUsuyczPUygqzdNI01So5lIAgjQNTa5aLq40mGRafr5GEkwSpFJDU8HWDsoHgSQFWwUjMK9WkwtMJ%2BfnFefnpOrl5KdrJBall%2Bam5pUURxvEQgwGmmeoCQCs42gffAAAAA%3D%3D&config=H4sIAAAAAAAAA02PQQrDIBBF9zmFzLqLttAueoceQsxYLBrFGaEScvdqokk24rzvn%2F%2BdByHgSwpeYi7XMgQZCeM%2BF0J5YvkrBDgHJBVNYLh0lalKWlrCFS2bAizjB7m6kO7X26M5wHpP2B2NOTMZnc%2BZyrsQkejECh1Ry2S5Uo4Jm7AM%2FVyzwfkxWTx%2BVFtvPZ5wPOqRew8w9O7OdfvyB8dntFUdAQAA

SWC Info output

No response

Expected behavior

log 2

Actual behavior

log 1

Version

latest

Additional context

No response