Describe the bug

let is reserved in let/const/class declarations in non-strict mode, but SWC parser doesn't reject them.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#:~:text=(also%20reserved%20in%20const%2C%20let%2C%20and%20class%20declarations)

Input code

{
    let let
}
{
    const let = 0
}
{
    class let {}
}

Config

No response

Playground link (or link to the minimal reproduction)

https://play.swc.rs/?version=1.3.97&code=H4sIAAAAAAAAA6vm5VIAgpzUEhDm5arl5aqGCCXn5xWDBRVsFQxQJHISi4vBEtW1YHEAdYxiO0QAAAA%3D&config=H4sIAAAAAAAAA1VPOw7DIAzdcwrkuUPF0CF36CEs6kRE%2FISpVBTl7iUB0mbz%2B%2FnZ6yAELKxgFGsZCwgYmeKJC8PZJfwUBkhZZBV1SHDr6sK7NKFhOqitKpAwzpSOFMu7lC0Bxnumnmic1U5P%2Bb9TeRsiMV%2BNuxXdbOjaOLRWsP71PsT2S8qB6gUP%2BJl62bkYND97sq7dvnp7734YAQAA

SWC Info output

No response

Expected behavior

Throws an error like Unexpected reserved word 'let'.

Actual behavior

No error happens.

Version

1.3.97

Additional context

This errors with most parsers on https://astexplorer.net/.