>
>
> Perhaps you're right. In addition to what we're doing already in ES5 and
> now ES6 destructuring patterns, I suppose you'd need to recurse into
> default expressions and look for any bad `delete` expressions, any
> WithStatements, and any bad BindingIdentifiers. And rinse and repeat with
> any FormalParameters encountered.
>
>
I wonder if you'd need to go back to the lexer in some cases:
function(a = let) {
"use strict";
}
After seeing the "use strict", I'd have to go back and re-scan the "let" to
find out that it was actually a keyword in this context (and hence a syntax
error).
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