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In 13.15.5 Destructuring Assignment, we have:
"In certain circumstances when processing an instance of the production AssignmentExpression : LeftHandSideExpression = AssignmentExpression the interpretation of LeftHandSideExpression is refined using the following grammar: ..."
But I couldn't find where these circumstances are explained. Have I missed it?
If my understand is correct, then in a context like the one below, the refinement should apply:
let o = { x: "s", y: 0 };
({x: v, y: w} = o);
In one case or another, the spec should clarify — if isn't yet doing so — what the circumstances in question are; if this is already clarified and I've missed it, it might be worth to link the clarification in section 13.15.5.