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• Would you like to work on a fix?

How are you using Babel?

Programmatic API (babel.transform, babel.parse)

Input code

require("@babel/parser").parse("let [let = 5] = []")

RunKit link: https://runkit.com/tolmasky/let-allowed-in-lvalue

Configuration file name

No response

Configuration

No response

Current and expected behavior

Current behavior: No error
Expected behavior: Should get "'let' is not allowed to be used as a name in 'let' or 'const' declarations."

If you remove the initializer you'll see you correctly get this error.

Environment

• Babel version: 7.17.3

Possible solution

This is fixed in #14320

Additional context

No response